C++ PROGRAMS (STAGE-I)


C++ PROGRAMS

// CONSTANTS DECLARATION

#include<iostream.h>
#include<conio.h>
void main()
{
int i;
char ch;
char str[34];
float f;
clrscr();
cout<<"ENTER AN INTEGER : ";
cin>>i;
cout<<"ENTER A CHARACTER : ";
cin>>ch;
cout<<"ENTER THE STRING : ";
cin>>str;
cout<<"ENTER A FLOAT : ";
cin>>f;
cout<<"\nCONSTANTS "<<endl;
cout<<"\nINTEGER : " <<i<<endl;
cout<<"\nCHARACTER : "<<ch<<endl;
cout<<"\nSTRING : "<<str<<endl;
cout<<"\nFLOAT : " <<f<<endl;
getch();
}

/*OUTPUT
ENTER AN INTEGER : 7
ENTER A CHARACTER : S
ENTER THE STRING : SUNIL
ENTER A FLOAT : 6.3
CONSTANTS
INTEGER : 7
CHARACTER : S
STRING : SUNIL
FLOAT : 6.3
*/


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// TO DISPLAY THE SIZE OF VARIOUS DATA TYPES AVAILABLE.

#include<iostream.h>
#include<conio.h>
void main ()
{ int x=25;
clrscr ();
cout<<"sizeof(char)"; gotoxy(x,1);
cout<<sizeof(char)<<endl;
cout<<"sizeof(signed char)"; gotoxy(x,2);
cout<<sizeof(signed char)<<endl;
cout<<"sizeof(unsigned char)"; gotoxy(x,3);
cout<<sizeof(unsigned char)<<endl;
cout<<"sizeof(int)"; gotoxy(x,4);
cout<<sizeof(int)<<endl;
cout<<"sizeof(signed int)"; gotoxy(x,5);
cout<<sizeof(signed int)<<endl;
cout<<"sizeof(unsigned int)"; gotoxy(x,6);
cout<<sizeof(unsigned int)<<endl;
cout<<"sizeof(short)"; gotoxy(x,7);
cout<<sizeof(short)<<endl;
cout<<"sizeof(signed short)"; gotoxy(x,8);
cout<<sizeof(signed short)<<endl;
cout<<"sizeof(unsigned short)"; gotoxy(x,9);
cout<<sizeof(unsigned short)<<endl;
cout<<"sizeof(short int)"; gotoxy(x,10);
cout<<sizeof(short int)<<endl;
cout<<"sizeof(float)"; gotoxy(x,11);
cout<<sizeof(float)<<endl;
cout<<"sizeof(short float)"; gotoxy(x,12);
cout<<sizeof(short float)<<endl;
cout<<"sizeof(long)"; gotoxy(x,13);
cout<<sizeof(long)<<endl;
cout<<"sizeof(signed long)"; gotoxy(x,14);
cout<<sizeof(signed long)<<endl;
cout<<"sizeof(unsigned long)"; gotoxy(x,15);
cout<<sizeof(unsigned long)<<endl;
cout<<"sizeof(long float)"; gotoxy(x,16);
cout<<sizeof(long float)<<endl;
cout<<"sizeof(double)"; gotoxy(x,17);
cout<<sizeof(double)<<endl;
cout<<"sizeof(long double)"; gotoxy(x,18);
cout<<sizeof(long double)<<endl;
getch ();
}

/*OUTPUT
sizeof(char) 1
sizeof(signed char) 1
sizeof(unsigned char) 1
sizeof(int) 2
sizeof(signed int) 2
sizeof(unsigned int) 2
sizeof(short) 2
sizeof(signed short) 2
sizeof(unsigned short) 2
sizeof(short int) 2
sizeof(float) 4
sizeof(short float) 4
sizeof(long) 4
sizeof(signed long) 4
sizeof(unsigned long) 4
sizeof(long float) 8
sizeof(double) 8
sizeof(long double) 10
*/


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// EMPLOYEES DETAILS

#include<iostream.h>
#include<conio.h>
void main()
{
int eno;
char grade;
char name[25];
float comm;
clrscr();
cout<<"ENTER EMPLOYEE NAME : ";
cin.getline(name,25);
cout<<"\nENTER EMPLOYEE NUMBER : ";
cin>>eno;
cout<<"\nENTER EMPLOYEE GRADE : ";
cin>>grade;
cout<<"\nENTER EMPLOYEE COMMISION : ";
cin>> comm;
clrscr();
cout<< "EMPLOYEE DETAILS: "<<endl;
cout<< "EMPLOYEE NAME : " <<name<<endl;
cout<<"EMPLOYEE NUMBER : "<<eno<<endl;
cout<<"EMPLOYEE GRADE : "<<grade<<endl;
cout<<"EMPLOYEE COMMISSION : " <<comm<<endl;
getch();
}


/*OUTPUT
ENTER EMPLOYEE NAME : RAM AIRAN
ENTER EMPLOYEE NUMBER : 7
ENTER EMPLOYEE GRADE : A
ENTER EMPLOYEE COMMISION : 7000
EMPLOYEE DETAILS:
EMPLOYEE NAME : RAM AIRAN
EMPLOYEE NUMBER : 7
EMPLOYEE GRADE : A
EMPLOYEE COMMISSION : 7000
*/

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//TO FIND THE SUM OF TWO NUMBERS

#include<iostream.h>
#include<conio.h>
void main ()
{
int no1,no2,sum;
clrscr();
cout<<"ENTER FIRST NUMBER : ";
cin>>no1;
cout<<"ENTER SECOND NUMBER :";
cin>>no2;
sum=no1+no2;
cout<<"THE SUM OF TWO NUMBER : "<<sum;
getch();
}


/*OUTPUT
ENTER FIRST NUMBER : 25
ENTER SECOND NUMBER :18
THE SUM OF TWO NUMBERS : 43
*/

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//TO FIND THE DIFFERENCE BETWEEN TWO NUMBERS

#include<iostream.h>
#include<conio.h>
void main()
{
int no1,no2,difference;
clrscr();
cout<<"ENTER THE FIRST NUMBER : ";
cin>> no1;
cout<<"\nENTER THE SECOND NUMBER : ";
cin>>no2;
difference=no1-no2;
cout<<"\nTHE DIFFERENCE OF TWO NUMBERS IS : "<<difference;
getch();
}


/*OUTPUT
ENTER THE FIRST NUMBER : 63
ENTER THE SECOND NUMBER : 45
THE DIFFERENCE OF TWO NUMBERS IS : 18
*/


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// TO DISPLAY PRODUCT OF TWO NUMBERS

#include<iostream.h>
#include<conio.h>
void main()
{
int num1, num2, prod;
clrscr();
cout<<"ENTER THE FIRST NUMBER : ";
cin >> num1;
cout<<"ENTER THE SECOND NUMBER : ";
cin>>num2;
prod=num1*num2;
cout<<"THE PRODUCT OF THE NUMBERS IS : " <<prod;
getch();
}


/*OUTPUT
ENTER THE FIRST NUMBER : 25
ENTER THE SECOND NUMBER : 18
THE PRODUCT OF THE NUMBERS IS : 450
*/


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// TO DIVIDE A NUMBER WITH ANOTHER

#include<iostream.h>
#include<conio.h>
void main()
{
float quotient, remainder;
int no1,no2;
clrscr();
cout<<"\nENTER THE DIVIDEND : ";
cin>> no1;
cout<<"\nENTER THE DIVISOR : ";
cin>>no2;
quotient=no1/no2;
remainder=no1%no2;
cout<<"\nTHE QUOTIENT IS "<<quotient;
cout<<"\n\nTHE REMAINDER IS "<<remainder;
getch();
}


/* OUTPUT
ENTER THE DIVIDEND : 87
ENTER THE DIVISOR : 23
THE QUOTIENT IS 3
THE REMAINDER IS 18
*/


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//SQUARE OF A NUMBER
#include<iostream.h>
#include<conio.h>
void main ()
{
int num, sqr;
clrscr ();
cout << "ENTER A NUMBER : ";
cin >> num;
sqr= num*num;
cout << "\nTHE SQUARE OF " << num << " is " << sqr;
getch ();
}


/*OUTPUT
ENTER A NUMBER : 18
THE SQUARE OF 18 is 324
ENTER A NUMBER : 25
THE SQUARE OF 25 is 625
*/


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// TO FIND THE AREA OF RECTANGLE

#include<iostream.h>
#include<conio.h>
void main()
{
float l,b,area;
clrscr();
cout<< "AREA OF RECT ";
cout<<"\n\nENTER LENGTH : ";
cin>> l;
cout<<"\nENTER BREADTH : ";
cin>> b;
area=l*b;
cout<<"\nTHE AREA OF THE RECTANGLE WITH GIVEN PARAMETERS IS : "<<area;
getch();
}


/*OUTPUT
AREA OF RECT
ENTER LENGTH : 12
ENTER BREADTH : 23
THE AREA OF THE RECTANGLE WITH GIVEN PARAMETERS IS : 276
*/

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// AREA OF A TRIANGLE

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
long float height, base, area;
cout<<"\nPLEASE ENTER THE HEIGHT FOR THE TRAINGLE : ";
cin>>height;
cout<<"\nPLEASE ENTER THE BASE FOR THE TRIANGLE : ";
cin>>base;
area=base*height*0.5;
cout<<"\nTHE AREA OF THE TRIANGLE IS : "<<area;
getch();
}



/* OUTPUT
a)
PLEASE ENTER THE HEIGHT FOR THE TRAINGLE : 10
PLEASE ENTER THE BASE FOR THE TRIANGLE : 20
THE AREA OF THE TRIANGLE IS : 100
b)
PLEASE ENTER THE HEIGHT FOR THE TRAINGLE : 12
PLEASE ENTER THE BASE FOR THE TRIANGLE : 17
THE AREA OF THE TRIANGLE IS : 102
c)
PLEASE ENTER THE HEIGHT FOR THE TRAINGLE : 29
PLEASE ENTER THE BASE FOR THE TRIANGLE : 37
THE AREA OF THE TRIANGLE IS : 536.5
d)
PLEASE ENTER THE HEIGHT FOR THE TRAINGLE : 13
PLEASE ENTER THE BASE FOR THE TRIANGLE : 93
THE AREA OF THE TRIANGLE IS : 604.5
*/

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// TO FIND THE VOLUME OF A SPHERE

#include<iostream.h>
#include<conio.h>
void main()
{
float r,vol;
clrscr();
cout<< "VOLUME OF A SPHERE";
cout<<"\n\nENTER RADIUS : ";
cin>> r;
vol=((4/3)*(22/7)*r*r*r);
cout<<"\nTHE VOLUME OF THE SPHERE WITH GIVEN PARAMETERS IS : "<<vol;
getch();
}



/*OUTPUT
VOLUME OF A SPHERE
ENTER RADIUS : 7
THE VOLUME OF THE SPHERE WITH GIVEN PARAMETERS IS : 1432.4366
*/



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// TO FIND THE TEMPERATURE IN CELSIUS FROM KELVIN

#include<iostream.h>
#include<conio.h>
void main()
{
int a,c;
clrscr();
cout << "ENTER TEMPERATURE IN DEGREE CELSIUS : ";
cin >> a;
c=a+273;
cout << "\nTEMPERATURE IN KELVIN : " << c;
getch();
}


/*OUTPUT
ENTER TEMPERATURE IN DEGREE CELSIUS : 100
TEMPERATURE IN KELVIN : 373
*/


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//A PROGRAM TO FIND SIMPLE INTEREST

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int principal,time,rate,interest;
cout<<"\n ENTER PRINCPAL : ";
cin>>principal;
cout<<"\n ENTER DURATION : ";
cin>>time;
cout<<"\n ENTER RATE OF INTEREST :";
cin>>rate;
interest=(principal*time*rate)/100;
cout<<"\n SIMPLE INTEREST : "<<interest;
getch();
}



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// PLAYER DETAILS

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
float runs1, runs2, runs3, runs4, runs5, balls1, balls2, balls3, balls4, balls5;
long double sr1, sr2, sr3, sr4, sr5, avgsr; char name[30];
cout <<"\nENTER PLAYER NAME : ";
cin.getline(name,30);
cout<<"\nENTER RUNS SCORED IN MATCH 1: ";
cin>>runs1;
cout<<"\nENTER BALLS PLAYED BY PLAYER IN MATCH 1: ";
cin >> balls1;
sr1=(runs1*100)/balls1;
cout<<"\nENTER RUNS SCORED IN MATCH 2: ";
cin>>runs2;
cout<<"\nENTER BALLS PLAYED BY PLAYER IN MATCH 2: ";
cin >> balls2;
sr2=(runs2*100)/balls2;
cout<<"\nENTER RUNS SCORED IN MATCH 3: ";
cin>>runs3;
cout<<"\nENTER BALLS PLAYED BY PLAYER IN MATCH 3: ";
cin >> balls3;
sr3=(runs3*100)/balls3;
cout<<"\nENTER RUNS SCORED IN MATCH 4: ";
cin>>runs4;
cout<<"\nENTER BALLS PLAYED BY PLAYER IN MATCH 4: ";
cin >> balls4;
sr4=(runs4*100)/balls4;
cout<<"\nENTER RUNS SCORED IN MATCH 5: ";
cin>>runs5;
cout<<"\nENTER BALLS PLAYED BY PLAYER IN MATCH 5: ";
cin >> balls5;
sr5=(runs5*100)/balls5;
avgsr=(sr1+sr2+sr3+sr4+sr5)/5;
clrscr();
cout<<"\nPLAYER NAME : "<< name <<endl;
cout<<"\nRUNS SCORED IN MATCH1 : "<< runs1 <<endl;
cout<<"\nBALLS PLAYED IN MATCH1 : "<< balls1<<endl;
cout<<"\nMATCH1 STRIKE RATE : " << sr1<<endl;
cout<<"\nRUNS SCORED IN MATCH2 : "<< runs2 <<endl;
cout<<"\nBALLS PLAYED IN MATCH2 : "<< balls2<<endl;
cout<<"\nMATCH2 STRIKE RATE : " << sr2<<endl;
cout<<"\nRUNS SCORED IN MATCH3 : "<< runs3 <<endl;
cout<<"\nBALLS PLAYED IN MATCH3 : "<< balls3<<endl;
cout<<"\nMATCH3 STRIKE RATE : " << sr3<<endl;
cout<<"\nRUNS SCORED IN MATCH4 : "<< runs4 <<endl;
cout<<"\nBALLS PLAYED IN MATCH4 : "<< balls4<<endl;
cout<<"\nMATCH4 STRIKE RATE : " << sr4<<endl;
cout<<"\nRUNS SCORED IN MATCH5 : "<< runs5 <<endl;
cout<<"\nBALLS PLAYED IN MATCH5 : "<< balls5<<endl;
cout<<"\nMATCH5 STRIKE RATE : " << sr5<<endl;
cout<<"\nAVERAGE STRIKE RATE : " <<avgsr<<endl;
getch();
}



/*OUTPUT
ENTER PLAYER NAME : RAHUL DRAVID
ENTER RUNS SCORED IN MATCH 1: 87
ENTER BALLS PLAYED BY PLAYER IN MATCH 1: 95
ENTER RUNS SCORED IN MATCH 2: 99
ENTER BALLS PLAYED BY PLAYER IN MATCH 2: 112
ENTER RUNS SCORED IN MATCH 3: 76
ENTER BALLS PLAYED BY PLAYER IN MATCH 3: 65
ENTER RUNS SCORED IN MATCH 4: 51
ENTER BALLS PLAYED BY PLAYER IN MATCH 4: 23
ENTER RUNS SCORED IN MATCH 5: 124
ENTER BALLS PLAYED BY PLAYER IN MATCH 5: 157
PLAYER NAME : RAHUL DRAVID
RUNS SCORED IN MATCH1 : 87
BALLS PLAYED IN MATCH1 : 95
MATCH1 STRIKE RATE : 91.578947
RUNS SCORED IN MATCH2 : 99
BALLS PLAYED IN MATCH2 : 112
MATCH2 STRIKE RATE : 88.392857
RUNS SCORED IN MATCH3 : 76
BALLS PLAYED IN MATCH3 : 65
MATCH3 STRIKE RATE : 116.923077
RUNS SCORED IN MATCH4 : 51
BALLS PLAYED IN MATCH4 : 23
MATCH4 STRIKE RATE : 221.73913
RUNS SCORED IN MATCH5 : 124
BALLS PLAYED IN MATCH5 : 157
MATCH5 STRIKE RATE : 78.980892
AVERAGE STRIKE RATE : 119.522981
*/


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//SWAPPING INTEGERS

#include<iostream.h>
#include<conio.h>
void main()
{
int a, b, c;
clrscr();
cout<<"\aENTER A : ";
cin>>a;
cout<<"\aENTER B : ";
cin>>b;
c=a;
a=b;
b=c;
cout<<"\n\aNEW A= \a"<<a;
cout<<"\n\aNEW B= \a"<<b;
getch();
}




/*OUTPUT
ENTER A : 23
ENTER B : 34
NEW A= 34
NEW B= 23
*/


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// CLASSIFY THE TOTAL NUMBER OF DAYS INPUT INTO YEAR, WEEK AND DAYS

#include<iostream.h>
#include<conio.h>
void main()
{
long num, temp, days, week, year;
char ch;
do
{
clrscr();
cout<<"ENTER THE TOTAL NUMBER OF DAYS : ";
cin>>num;
year=num/365;
temp=num%365;
week=temp/7;
days=temp%7;
cout<<"\n"<<year<<" years " << week << " weeks " << days << " days.";
cout<<"\n\nRepeat? (y/n) : ";
cin>>ch;
}while(ch=='y'||ch=='Y');
}



/*OUTPUT
a)
ENTER THE TOTAL NUMBER OF DAYS : 2325
6 years 19 weeks 2 days.
Repeat? (y/n) : y
b)
ENTER THE TOTAL NUMBER OF DAYS : 167
0 years 23 weeks 6 days.
Repeat? (y/n) : y
c)
ENTER THE TOTAL NUMBER OF DAYS : 4598
12 years 31 weeks 1 days.
Repeat? (y/n) : y
d)
ENTER THE TOTAL NUMBER OF DAYS : 356
0 years 50 weeks 6 days.
Repeat? (y/n) : y
*/


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//TERNARY OPERATOR

#include<iostream.h>
#include<conio.h>
void main()
{
int count=0;
int num1=7, num2=4;
clrscr();
count=(num1<num2)?num1:num2;
cout<<count;
getch();
}



/*OUTPUT
4
*/

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//NESTED TERNARY OPERATOR

#include<iostream.h>
#include<conio.h>
void main()
{
int count=0;
int num1=2;
clrscr();
count=(num1<0)?-1:(num1>0)?7:9;
cout<<count;
getch();
}



/*OUTPUT
7
*/


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// FIND THE GREATER OF TWO GIVEN NUMBERS

#include<iostream.h>
#include<conio.h>
void main()
{
int num1, num2;
clrscr ();
cout << "PLEASE ENTER THE FIRST NUMBER : ";
cin >> num1;
cout << "PLEASE ENTER THE SECOND NUMBER : ";
cin >> num2;
if (num1>num2)
{
cout << "1st NUMBER IS GREATER.";
}
else
{
cout << "2nd NUMBER IS GREATER.";
}
getch ();
}



/*OUTPUT
PLEASE ENTER THE FIRST NUMBER : 787
PLEASE ENTER THE SECOND NUMBER : 657
1st NUMBER IS GREATER.
PLEASE ENTER THE FIRST NUMBER : 874
PLEASE ENTER THE SECOND NUMBER : 897
2nd NUMBER IS GREATER.
*/


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//GREATER OF THREE NUMBERS

#include<iostream.h>
#include<conio.h>
void main()
{
int a, b, c;
clrscr();
cout<<"ENTER NUMBER1 : ";
cin>>a;
cout<<"ENTER NUMBER2 : ";
cin>>b;
cout<<"ENTER NUMBER3 : ";
cin>>c;
if(a>b && a>c && b>c)
{
cout<<a<<" IS GREATEST."<<endl;
cout<<b<<" IS SECOND GREATEST."<<endl;
cout<<c<<" IS LEAST.";
}
else if(a>b && a>c && c>b)
{
cout<<a<<" IS GREATEST."<<endl;
cout<<c<<" IS SECOND GREATEST."<<endl;
cout<<b<<" IS LEAST.";
}
else if(b>a && b>c && a>c)
{
cout<<b<<" IS GREATEST."<<endl;
cout<<a<<" IS SECOND GREATEST."<<endl;
cout<<c<<" IS LEAST.";
}
else if(a>b && a>c && c>a)
{
cout<<b<<" IS GREATEST."<<endl;
cout<<c<<" IS SECOND GREATEST."<<endl;
cout<<a<<" IS LEAST.";
}
else if(c>a && c>b && b>a)
{
cout<<c<<" IS GREATEST."<<endl;
cout<<b<<" IS SECOND GREATEST."<<endl;
cout<<a<<" IS LEAST.";
}
else if(c>a && c>b && a>b)
{
cout<<c<<" IS GREATEST."<<endl;
cout<<a<<" IS SECOND GREATEST."<<endl;
cout<<b<<" IS LEAST.";
}
else
cout<<"INVALID INPUT.";
getch();
}




/*OUTPUT
ENTER NUMBER1 : 12
ENTER NUMBER2 : 23
ENTER NUMBER3 : 34
34 IS GREATEST.
23 IS SECOND GREATEST.
12 IS LEAST.
ENTER NUMBER1 : 12
ENTER NUMBER2 : 9
ENTER NUMBER3 : 23
23 IS GREATEST.
12 IS SECOND GREATEST.
9 IS LEAST.
ENTER NUMBER1 : 45
ENTER NUMBER2 : 34
ENTER NUMBER3 : 32
45 IS GREATEST.
34 IS SECOND GREATEST.
32 IS LEAST.
*/


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// A PROGRAM IN C LANGUAGE TO FIND THE GREATEST AMONG THREE NUMBERS

#include<stdio.h>
#include<conio.h>
void main()
{
int num1,num2,num3;
clrscr();
printf("\nEnter the value for first number : ");
scanf("%d",&num1);
printf("\nEnter the value for second number : ");
scanf("%d",&num2);
printf("\nEnter the value for third number : ");
scanf("%d",&num3);
if(num1>num2&&num1>num3)
printf(" %d is greatest.",num1);
else
{
if(num2>num1&&num2>num3)
printf("\n%d is greatest.",num2);
else
printf("\n%d is greatest.",num3);
}
getch();
}


/* OUTPUT
a)
Enter the value for first number : 23
Enter the value for second number : 12
Enter the value for third number : 986
986 is greatest.
b)
Enter the value for first number : 349
Enter the value for second number : 233
Enter the value for third number : 31
349 is greatest.
c)
Enter the value for first number : 573
Enter the value for second number : 847
Enter the value for third number : 239
847 is greatest.
*/



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// TO FIND IF A YEAR INPUT IS LEAP OR NOT

#include<iostream.h>
#include<conio.h>
void main ()
{
clrscr ();
int year;
cout << "ENTER A YEAR : ";
cin >> year;
if(year%400==0 || (year%4==0 && year%100!=0))
{
cout << "IT IS A LEAP YEAR.";
}
else
{
cout << "IT IS NOT A LEAP YEAR";
}
getch ();
}



/*OUTPUT
ENTER A YEAR : 2004
IT IS A LEAP YEAR.
ENTER A YEAR : 2003
IT IS NOT A LEAP YEAR
*/



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// DISPLAY MONTH CORRESPONDING TO INPUT, USING IF-ELSE CONSTRUCT

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n;
cout<<"ENTER A NUMBER LESS THAN OR EQUAL TO 12 : ";
cin>>n;
while(n>12||n<1)
{
cout<<"\nINVALID ENTRY. PLEASE RE-ENTER YOUR CHOICE : ";
cin>>n;
}
if(n==1)
cout<<n<<" IMPLIES JANUARY.";
else if(n==2)
cout<<n<<" IMPLIES FEBRUARY.";
else if(n==3)
cout<<n<<" IMPLIES MARCH.";
else if(n==4)
cout<<n<<" IMPLIES APRIL.";
else if(n==5)
cout<<n<<" IMPLIES MAY.";
else if(n==6)
cout<<n<<" IMPLIES JUNE.";
else if(n==7)
cout<<n<<" IMPLIES JULY.";
else if(n==8)
cout<<n<<" IMPLIES AUGUST.";
else if(n==9)
cout<<n<<" IMPLIES SEPTEMBER.";
else if(n==10)
cout<<n<<" IMPLIES OCTOBER.";
else if(n==11)
cout<<n<<" IMPLIES NOVEMBER.";
else if(n==12)
cout<<n<<" IMPLIES DECEMBER.";
getch();
}



/*OUTPUT
ENTER A NUMBER LESS THAN OR EQUAL TO 12 : 11
11 IMPLIES NOVEMBER.
ENTER A NUMBER LESS THAN OR EQUAL TO 12 : 6
6 IMPLIES JUNE.
ENTER A NUMBER LESS THAN OR EQUAL TO 12 : 8
8 IMPLIES AUGUST.
ENTER A NUMBER LESS THAN OR EQUAL TO 12 : 9
9 IMPLIES SEPTEMBER.
ENTER A NUMBER LESS THAN OR EQUAL TO 12 : 12
12 IMPLIES DECEMBER.
ENTER A NUMBER LESS THAN OR EQUAL TO 12 : 3
3 IMPLIES MARCH.
*/



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/*SALARY OF THE COMPUTER SALESMAN WITH CONCEPT OF DEFINING THE BASIC SALARY
AS CONSTANT

#include<iostream.h>
#include<conio.h>
#define basic 1500
void main()
{
long bonus;
long float commision, salary, comp_no, comp_cost, sales;
char name[25], choice;
do
{
clrscr();
cout<<"\nPLEASE ENTER THE NAME : ";
cin>>name;
cout<<"\nPLEASE ENTER THE NUMBER OF COMPUTERS SOLD : ";
cin>>comp_no;
cout<<"\nPLEASE ENTER THE COST OF 1 COMPUTER : ";
cin>>comp_cost;
sales=comp_no*comp_cost;
bonus=comp_no*200;
commision=(sales*2)/100;
salary=bonus+commision+basic;
cout<<"\t\t\t\t*S.J. COMPUTERS*\n";
cout<<"\n\nTOTAL SALES OF S.J. COMPUTERS : "<<sales;
cout<<"\n\nBASIC SALARY OF " << name << " : " << basic;
cout<<"\n\nCOMMISION OF " << name << " : " << commision;
cout<<"\n\nBONUS OF " << name << " : " << bonus;
cout<<"\n\nNET SALARY OF " << name << " : " << salary;
cout<<"\n\nPRESS Y TO REPEAT ELSE EXIT PRESSING ANY KEY : ";
cin>>choice;
}while(choice=='y'||choice=='Y');
}



/* OUTPUT
PLEASE ENTER THE NAME : Rachit
PLEASE ENTER THE NUMBER OF COMPUTERS SOLD : 25
PLEASE ENTER THE COST OF 1 COMPUTER : 30000
*S.J. COMPUTERS*
TOTAL SALES OF S.J. COMPUTERS : 750000
BASIC SALARY OF Rachit : 1500
COMMISION OF Rachit : 15000
BONUS OF Rachit : 5000
NET SALARY OF Rachit : 21500
PRESS Y TO REPEAT ELSE EXIT PRESSING ANY KEY : N
*/


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// SALARY FOR AN EMPLOYEE TO BE HIRED FOR A

#include<iostream.h>
#include<conio.h>
void main()
{
float age, sal;
char name[25], exp, choice;
do
{
clrscr();
cout<<"ENTER NAME : ";
cin>>name;
cout<<"FRESHER OR EXPERIENCED? (F/E) : ";
cin>>exp;
while(exp!='e'&& exp!='E'&& exp!='f'&& exp!='F')
{
cout<<"INVALID INPUT!! PLEASE RE-ENTER THE EXPERIENCE : ";
cin>>exp;
}
cout<<"ENTER AGE : ";
cin >>age;
if(exp=='e'||exp=='E')
{
if (age>=35)
cout<<"MR. " << name << " YOUR SALARY IS : 10000";
else if ( age>28 && age <35)
cout<<"MR. " << name << " YOUR SALARY IS : 7000";
else
cout<<"SORRY !! YOU ARE NOT ELIGIBLE FOR THE JOB.";
}
else
{
if(age>=28 && age<=35)
cout<<"MR. " << name << " YOUR SALARY IS : 4000";
else
cout<<"SORRY !! YOU ARE NOT ELIGIBLE FOR THE JOB.";
}
cout<<"\nDO YOU WANT TO CONTINUE? (y/n) : ";
cin>>choice;
}while(choice=='y'||choice=='Y');
}



/* OUTPUT
a)
ENTER NAME : Rachit
FRESHER OR EXPERIENCED? (F/E) : f
ENTER AGE : 34
MR. Rachit YOUR SALARY IS : 4000
DO YOU WANT TO CONTINUE? (y/n) : y
b)
ENTER NAME : Rachit
FRESHER OR EXPERIENCED? (F/E) : f
ENTER AGE : 27
SORRY !! YOU ARE NOT ELIGIBLE FOR THE JOB.
DO YOU WANT TO CONTINUE? (y/n) : y
c)
ENTER NAME : rachit
FRESHER OR EXPERIENCED? (F/E) : f
ENTER AGE : 35
SORRY !! YOU ARE NOT ELIGIBLE FOR THE JOB.
DO YOU WANT TO CONTINUE? (y/n) : n
d)
ENTER NAME : Rachit
FRESHER OR EXPERIENCED? (F/E) : e
ENTER AGE : 30
MR. Rachit YOUR SALARY IS : 7000
DO YOU WANT TO CONTINUE? (y/n) : y
e)
ENTER NAME : Rachit
FRESHER OR EXPERIENCED? (F/E): e
ENTER AGE : 37
MR. Rachit YOUR SALARY IS : 10000
DO YOU WANT TO CONTINUE? (y/n) : y
f)
ENTER NAME : Rachit
FRESHER OR EXPERIENCED? (F/E) : e
ENTER AGE : 28
SORRY !! YOU ARE NOT ELIGIBLE FOR THE JOB.
DO YOU WANT TO CONTINUE? (y/n) : n
*/


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//ROUNDING OFF NUMBERS TO TENS PLACE

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n;
float a, b;
cout<<"\nENTER THE NUMBER TO BE ROUNDED OFF : ";
cin>>n;
a=n-(n%10);
b=a+10;
if(n%10<5)
cout<<"\n"<<n<<" WHEN ROUNDED OFF = "<<a;
else if(n%10>=5)
cout<<"\n"<<n<<" WHEN ROUNDED OFF = "<<b;
getch();
}



/*OUTPUT
ENTER THE NUMBER TO BE ROUNDED OFF : 18
18 WHEN ROUNDED OFF = 20
ENTER THE NUMBER TO BE ROUNDED OFF : 25
25 WHEN ROUNDED OFF = 30
*/

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// TO FIND THE ROOTS OF A QUADRATIC EQUATION

#include<iostream.h>
#include<conio.h>
#include<math.h>
#include<process.h>
void main()
{
float a,b,c,root1,root2,delta;
char choice;
do
{
clrscr();
cout<<"ENTER THE VALUES FOR THE VARIABLESIN EQUATION : ax^2 + bx + c :";
cout<<"\nENTER a : ";
cin>>a;
cout<<"\nENTER b : ";
cin>>b;
cout<<"\nENTER c : ";
cin>>c;
if(!a)
{
cout<<"\nINVALID ENTRY FOR a.";
exit(0);
}
delta=(b*b)-(4*a*c);
if(delta<0)
cout<<"\nIMAGINARY AND COMPLEX ROOTS.";
else if (delta>0)
{
root1=(-b+sqrt(delta))/(2*a);
root2=(-b-sqrt(delta))/(2*a);
cout<<"\nROOTS ARE REAL AND UNEQUAL."<<endl;
cout<<"\nROOTS ARE : " << root1 << "\t" <<root2;
}
else if(delta==0)
{
root1=(-b/(2*a));
root2=root1;
cout<<"\nROOTS ARE REAL AND EQUAL."<<endl;
cout<<"\nROOTS ARE : " << root1 << "\t" <<root2;
}
cout<<"\n\nDO YOU WANT TO CONTINUE (Y/N) : ";
cin>>choice;
}while(choice=='y'||choice=='Y');
}



/*OUTPUT
ENTER THE VALUES FOR THE VARIABLESIN EQUATION : ax^2 + bx + c :
ENTER a : 3
ENTER b : 5
ENTER c : 2
ROOTS ARE REAL AND UNEQUAL.
ROOTS ARE : -0.666667 -1
DO YOU WANT TO CONTINUE (Y/N) : n
*/

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// MONTH DISPLAY USING SWITCH

#include<iostream.h>
#include<conio.h>
void main()
{
int m;
clrscr();
cout<<"ENTER A NUMBER : ";
cin>>m;
while(m>12||m<1)
{
cout<<"INVALID ENTRY. RE-ENTER YOUR CHOICE : ";
cin>>m;
}
switch(m)
{
case 1 : cout<<"JANUARY"; break;
case 2 : cout<<"FEBRUARY"; break;
case 3 : cout<<"MARCH"; break;
case 4 : cout<<"APRIL"; break;
case 5 : cout<<"MAY"; break;
case 6 : cout<<"JUNE"; break;
case 7 : cout<<"JULY"; break;
case 8 : cout<<"AUGUST"; break;
case 9 : cout<<"SEPTEMBER"; break;
case 10 : cout<<"OCTOBER"; break;
case 11 : cout<<"NOVEMBER"; break;
case 12 : cout<<"DECEMBER"; break;
}
getch();
}


/*OUTPUT
ENTER A NUMBER : 11
NOVEMBER
ENTER A NUMBER : 6
JUNE
ENTER A NUMBER : 8
AUGUST
ENTER A NUMBER : 9
SEPTEMBER
ENTER A NUMBER : 3
MARCH
*/

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//DISPLAY MEANING OF GRADES USING SWICH CASE STRUCTURE

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
char ch;
cout<<"ENTER GRADE : ";
cin>>ch;
switch(ch)
{
case 'a':
case 'A':
cout<<"\nEXCELLENT"<<endl;
break;
case 'b':
case 'B':
cout<<"\nGOOD"<<endl;
break;
case 'c':
case 'C':
cout<<"\nO.K."<<endl;
break;
case 'd':
case 'D':
cout<<"\nPOOR"<<endl;
break;
default:
cout<<"\nINVALID GRADE :"<<endl;
}
getch();
}



/*OUTPUT
ENTER GRADE : A
EXCELLENT
ENTER GRADE : B
GOOD
ENTER GRADE : C
O.K.
ENTER GRADE : d
POOR
ENTER GRADE : E
INVALID GRADE :
*/


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// SIMPLE CALCULATOR FOR 2 FRACTIONS

#include<iostream.h>
#include<conio.h>
#include<process.h>
void main()
{
float num1,num2,den1,den2,result; char sign, choice;
do
{
clrscr();
cout<<"FRACTION 1 : "<<endl;
cout<<"\nENTER THE NUMERATOR : "; cin>>num1;
cout<<"\nENTER THE DENOMINATOR : "; cin>>den1;
cout<<"\nENTER THE CALCULATION OPERATOR (+, -, *, /) : ";
cin>>sign;
cout<<"\nFRACTION 2 : "<<endl;
cout<<"\nENTER THE NUMERATOR : "; cin>>num2;
cout<<"\nENTER THE DENOMINATOR : "; cin>>den2;
if(num1==0 || num2==0 || den1==0 || den2==0)
{ cout<<"\nOOPS!!! INVALID ENTRY. BYE! "; exit(0); }
switch(sign)
{ case '+': result=((num1/den1)+(num2/den2)); break;
case '-': result=((num1/den1)-(num2/den2)); break;
case '*': result=((num1/den1)*(num2/den2)); break;
case '/': result=((num1/den1)/(num2/den2)); break;
default :
cout<<"\nOOPS!!!INVALID CALCULATION OPERATOR. BYE!!";
exit(0);
}
cout<<"\nRESULT IS : "<<result;
cout<<"\n\nDO YOU WISH TO RE-EXECUTE THE PROGRAM? (Y/N) : ";
cin>>choice;
}while(choice=='y'||choice=='Y');
}



/*OUTPUT
FRACTION 1 :
ENTER THE NUMERATOR : 12
ENTER THE DENOMINATOR : 23
ENTER THE CALCULATION OPERATOR (+, -, *, /) : *
FRACTION 2 :
ENTER THE NUMERATOR : 12
ENTER THE DENOMINATOR : 23
RESULT IS : 0.272212
DO YOU WISH TO RE-EXECUTE THE PROGRAM? (Y/N) : n
*/



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//PREDICT THE DAY ON WHICH A GIVEN DATE FALLS

#include<iostream.h>
#include<conio.h>
void main()
{
long x, num, date, month, year, julian, fours, hundreds, four_hundreds, day;char choice;
do
{
clrscr();
cout << "WELCOME! \n\n\nTHE PROGRAM GUESSES THE DAY ON WHICH A GIVEN DATE
OCCURS.\n\nHERE THE BIRTH DAY SHALL BE GUESSED AS AN EXAMPLE." << endl;
cout << "\n\nENTER YOUR BIRTH DATE : ";
cin>>num;
date=num/1000000;
year=num%10000;
x=num%1000000;
month=x/10000;
if ((year%100!=0 && year%4==0) || year%400==0)
julian=366;
else
julian=365;
switch(month)
{
case 1: julian -= 0;
case 2: julian -= 31;
case 3: if ( (year%100!=0 && year%4==0) || year%400==0)
julian -= 29;
else
julian -= 28;
case 4: julian -= 31;
case 5: julian -= 30;
case 6: julian -= 31;
case 7: julian -= 30;
case 8: julian -= 31;
case 9: julian -= 31;
case 10: julian -= 30;
case 11: julian -= 31;
case 12: julian -= 30;
}
julian+=date;
fours=(year-1)/4;
hundreds=(year-1)/100;
four_hundreds=(year-1)/400;
day=(year+julian+fours-hundreds+four_hundreds)%7;
cout<<"\nTHE BITHDAY IS ON : ";
if(day==0)
cout<<"SATURDAY";
else if (day==1)
cout<<"SUNDAY";
else if (day==2)
cout<<"MONDAY";
else if (day==3)
cout<<"TUESDAY";
else if (day==4)
cout<<"WEDNESDAY";
else if (day==5)
cout<<"THURSDAY";
else
cout<<"FRIDAY";
cout << "\n\nWOULD YOU LIKE TO CONTINUE WITH MORE DATES? (y/n) : ";
cin >> choice;
} while(choice=='y' || choice=='Y');
getch();
}



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// INCREMENT AND DECREMENT OPERATORS

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int num, a,b,c,d;
cout<<"ENTER A NUMBER : ";
cin>>num;
a=num;
b=num;
c=num;
d=num;
cout<<"\n"<<num<<" is assigned to a,b,c and d : "<<endl;
cout<<"++a = " << ++a<<"\n--b = "<< --b<<"\nc++ = " << c++<<endl;
cout<<"d-- = " << d--<<endl;
cout<<"a = "<<a<<"\nb = "<<b<<"\nc = "<<c<<"\nd = "<<d<<endl;
getch();
}




/*OUTPUT
ENTER A NUMBER : 18
18 is assigned to a,b,c and d :
++a = 19
--b = 17
c++ = 18
d-- = 18
a = 19
b = 17
c = 19
d = 17
*/



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// A SAMPLE PROGRAM TO PRINT 1-100

#include<iostream.h>
#include<conio.h>
void main ()
{
int num;
clrscr();
for (num=1; num<=100; num ++)
{
cout <<num<<"\t";
}
getch ();
}
/*OUTPUT
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
*/

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1 comment:

  1. intesar alamJuly 24, 2011 at 8:14 AM

    sir, i read all programs .these are very useful for beginners.

    ReplyDelete

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