Print the first five numbers starting from I together with their squares.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int I;
Clrscr ( );
For (i=l; <=5; i++)
Printf (“\n Number: %5d it’ s Square: %5d”, I, i*i);
getch();
}
OUTPUT:
Number: 1 it’ s Square: 1
Number: 2 it’ s Square: 4
Number: 3 it’ s Square: 9
Number: 4 it’ s Square: 16
Number: 5 it’ s Square: 25
#include<stdio.h>
#include<conio.h>
Valid main ( )
{
Int I;
Clrscr ( ) ;
For ( i=l; i<=15; i= i+l)
Printf (“%5d”,i);
getche ( );
}
OUTPUT:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Write a program to display even numbers from 0 to 14. Declare the initial counter value before the for loop statement.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int i=o ;
Clrscr ( );
For (i<=15;)
{
Printf (“% 5 d “ , i) ;
i+=2;
}
}
OUTPUT:
O 2 4 6 7 8 10 12 14
Write a program to count numbers between 1 to 100 not divisible by 2, 3, and 5.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int x, c=0;
Clrscr ( );
Printf (“\n Numbers from 1 to 100 not divisible by 2, 3 & 5 \n \n”);
For (x=0 ;x<=100 ;x ++)
{
If (x%2 !=0 && x%3!=0 && x%5!=0)
{
Printf (%”%d\t” ,x),
C++;
}
}
Printf (“\nTotal numbers : %d”, c );
}
OUTPUT:
Numbers from 1 to 100 not divisible by 2, 3 & 5
1 7 11 13 17 19 23 29 31 37 37
41 43 47 49 53 59 61 67 71 73
77 79 83 89 91 97
Total Numbers : 26
Write a program to display the numbers in increasing and decreasing order using the infinite for loop.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int n, a, b;
Clrscr ( );
Printf (“Enter a number :”);
Scanf (“, &);
A=b=n;
Printf (“ (++) ( - - ) \n”);
Printf (“============”);
For (; ; (a++, b - - ) )
{
Printf (“\n%d\t%d”, a, b);
If (b==0)
Break;
}
}
OUTPUT:
Enter a number : 5
(++) ( - - )
===========
5 5
6 4
7 3
8 2
9 1
10 0
create an infinite for loop. Check each value of the for loop. If the value is even display it otherwise continue with iterations. Print Even numbers from 1 to 21. Use break statement to terminate the program.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int i=l;
Clrscr ( );
Printf (“\n \t \t Table of Even numbers from 1 to 20”);
Printf (“\n \t \t ===== == ==== ======= ==== = == == \n”);
For (; ;)
{
If (i==21)
Break;
else if (i%2==0)
{
Printf (“%d\t”, i);
I++;
Continue;
}
else
{
I++;
Continue;
}
}
getche ( );
}
OUTPUT:
Table of Even numbers from 1 to 20
==== == ==== ======= === = == ==
2 4 6 8 10 12 14 16 18 20
Calculate the sum of the first five numbers and their squares. Display their results.
Void main ( )
{
Int I, sum=0, sqsum=0;
Clrscr ( );
For (i=l; i<-5; ++)
{
Sum+-I;
Sqsum+=i*I;
Printf (“\n number: %5d it’ s Square : %8d”, I, i*i);
}
Printf (“\n===================================”);
Printf (“\n The sum of the five numbers (1 t0 5) : -%6d”, sum);
Printf (“\n The sum of their Squares: -%9d”, sqsum);
getche ( );
}
OUTPUT:
Number: 1 it’ s Square: 1
Number: 2 it’ s Square: 4
Number: 3 it’ s Square: 9
Number: 4 it’ s Square: 16
Number: 5 it’ s Square: 25
=========================================
The sum of the five numbers (1 t0 5) : - 15
The sum of their Squares: - 55
Write a program to find the number in between 7 and 100 which is exactly divisible by 4 and
If divided by 5 and 6 remainders obtained should be 4.
#include<stdio.h>
#include<conio.h>
# include <process . h>
Void main ( )
{
Int x;
Clrscr ( );
For (x=7;x<100;x++)
{
If (x%4==0 && x%5==4 && x%6==4)
{
Printf (“\n Number : %d”, x);
}
}
getche ( );
}
OUTPUT:
Number : 64
Write a program to find the sum of the following series.
/* 1. 1+2+3+ ..n */
/* 2. 12+22+32+..n2 */
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int sum=0, ssum-0, I, j;
Clrscr ( );
Printf (“Enter Number :”);
Scanf (“%d”, &j);
Clrscr ( );
Printf (“ Numbers:”);
For (i=1; i<=j; i++)
Printf (“%5d”, i);
Printf (“\n \nSquares:”);
For (i=1; i<=j; i++)
{
Printf (“%5d”, i*i);
Sum=sum+I;
Sum=ssum+i*i;
}
Printf (“\n \nSum of Numbers from 1 to %d :%d”, j, sum);
Printf (“\nSum of Squares of 1 to %d Numbers :%d”, j, ssum);
}
OUTPUT:
Enter Number: 5
Numbers: 1 2 3 4 5
Squares: 1 4 9 16 25
Sum of Numbers from 1 to 5: 15
Sum of Squares of 1 to 5 Numbers: 55
Write a program to find the perfect squares from 1 to 500.
#include<stdio.h>
#include<conio.h>
# include <math . h>
Void maid ( )
{
Int I, count, x;
Float c;
Clrscr ( );
Printf (“\n \n”);
Printf (“ Perfect squares from 1 to 500 \n”);
For (i=1; <=500; i++)
{
C=sqrt (i);
X=floor (c); /* For rounding up floor ( ) is used. */
{
Printf (“\t%5d”, i);
Coun ++;
}
}
Printf (“\n \n Total Perfect Squares =5d\n”, conut);
getch ( );
}
OUTPUT:
1 4 9 16 25 36 49 64 81 121 144
169 196 225 256 289 324 361 400 441
484
Total Perfect Squares = 22
Write a program to detect the largest number out of five numbers and display it.
#include<stdio.h>
#include<conio.h>
# include<process . h>
Void main ( )
Exit (0);
{
Int a, b, c, e, sum=0, I;
Clrscr ( );
Printf (“\nEnter Five numbers :”);
Scanf (“%d %d %d %d %d”, &a, &b, &c, &d, &e);
For (i=sum; i<=sum; I - -)
{
If (i==a || i==b || i==c || i==d || i==e)
{
Printf (“The Largest Number : %d”, i);
Exit (0);
}
}
}
OUTPUT:
Enter Five number : 5 2 3 7 3
The Largest Number : 7
Write a program to detect the smallest number our of five numbers and display it.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int a, b, c, d, e, sum=0, I;
Clrscr ( );
Printf (“\nEnter Five numbers :”);
Scanf (“%d %d %d %d %d”, &a, &b, &c, &d, &e);
Sum=a+b+c+d+e;
For (i=l; i<=sum; i++)
{
If (i==a || i==b || i==c || i==d || i==e)
{
Printf (“The Smallest Number : %d”, i)
Exit (0);
}
}
}
OUTPUT:
Enter Five numbers : 5 2 3 7 3
The Smallest Number: 2
Write a program to print the five entered numbers in the ascending order.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int a, b, c, d, e, sum-0, I;
Clrscr ( );
Printf (“\nEnter Five numbers :”);
Scanf (“%d %d %d %d %d” &a, &b, &c, &d, &e);
Printf (“\n Numbers in ascending order :”);
Sum=a+b+c+d+e;
For (i=l; i<=sum; i++)
{
If (i==a || i==b || i==c || i==d || i==e)
{
Printf (“%3d”, i);
}
}
}
OUTPUT:
Enter Five numbers : 5 8 7 4 1
Numbers in ascending order : 1 4 5 7 8
Perform multiplication of two integers by using the negative sign.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int a, b, c, d=0;
Clrscr ( );
Printf (“\n Enter two numbers :”);
Scanf (“%d %d”, &a, &b);
For (c=l; c<-b; c++)
D= (d) – ( - a);
Printf (“Multiplication of %d * %d :%d”, a, b, d);
getche ( );
}
OUTPUT:
Enter two numbers : 5 5
Multiplication of 5 * 5 : 25
Calculate the sum and average of five subjects.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int a, b, c, d, e, sum=0, I;
Float avg;
Clrscr ( );
Printf (“\nEnter The Marks of Five Subjects”);
For (i=l; i<=5; i++)
{
Printf (“\n [%d] Student:”, i);
If (scanf (“%d %d %d %d %d”, &a, &b, &c, &d, &e) ==5)
{
Sum=a+b+c+d+e;
Avg=sum/5;
Printf (“\n Total Marks of Student [%d] %d”, I, sum);
Printf (“\n Average Marks of Student [%d] %f\n”, I, avg);
}
else
{
Clrscr ( );
Printf (“\n Type Mismatcch”);
}
}
}
OUTPUT:
Enter The Marks of Five Subjects
[1] Student: 58 52 52 56 78
Total Marks of Student [1] 296
Average Marks of Student [1] 59.000000
[2] Student:
Write a program to find perfect cubes up to a given number.
/* 1, 8, 27, 64 are perfect cubes of 1, 2, 3 and 4 */.
#include<stdio.h>
#include<conio.h>
# include<math . h>
Void main ( )
{
Int I, j, k;
Clrscr ( );
Printf (“Enter a Number :”);
Scanf (“%d”, &k);
For (i=l; i<k; i++)
{
For (j=l; j<=I; j++)
{
If (i==pow (j,3) )
Printf (“\nNumber : %d & it’ s Cube :%d:, j, i);
}
}
}
OUTPUT:
Enter a Number : 100
Number : 1 & it’ s Cube : 1
Number : 2 & it’ s Cube : 8
Number : 3 & it’ s Cube : 27
Number : 4 & it’ s Cube : 64
Write a program to display the stars as shown below.
*
* *
* * *
* * * *
* * * * *
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int x, I, j;
Clrscr ( );
Printf (“How many lines stars (*) should be printed ? :”);
Scanf (“%d”, &x);
For (i=l; i<=x; i++)
{
For (j=l; j<=I; j++)
{
Printf (“*”);
}
Printf (“\n”);
}
}OUTPUT:
How many lines stars (*) should be printed ? : 5
*
* *
* * *
* * * *
* * * * *
Write a program to generate the pattern of numbers as given under.
6 5 4 3 2 1 0
5 4 3 2 1 0
4 3 2 1 0
3 2 1 0
2 1 0
1 0
0
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int I, c=0;
Clrscr ( );
Printf (“Enter a Number :”);
Scanf (“%d, &i);
For (;i>=0i - -)
{
C=I;
Printf (“\n”);
For (; ;)
{
Printf (“%3d”, c);
If (c==0)
Break;
C- -;
}
}
}
OUTPUT:
Enter a number: 6
6 5 4 3 2 1 0
5 4 3 2 1 0
4 3 2 1 0
3 2 1 0
2 1 0
1 0
0
Write a program to display the series of numbers as given below.
1
1 2
1 2 3
1 2 3 4
4 3 2 1
3 2 1
2 1
1
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int I, j, x;
Printf (“\nEnter Value of x :”);
Scanf (“%d”,&x);
Clrscr ( );
For (j=l; j<=x; j++)
{
For (i=l; i<=j; i++)
Printf (“%3d”, i);
Printf (“\n”);
}
Printf (“\n”);
For (j=x; j>=l; I - -)
{
For (i=j; i>=l; I- -)
Printf (“%3d”, i);
Printf (“\n”);
}
}
OUTPUT:
1
1 2
1 2 3
1 2 3 4
4 3 2 1
3 2 1
2 1
1
Write a program to display the series of numbers as given below.
1
1 2
1 2 3
1 2 3 4
4 3 2 1
3 2 1
2 1
1
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int I, j, x;
Printf (“\nEnter Value of x :”);
Scanf (“%d”, &x);
Clrscr ( );
For (j-l; j<=x; j++)
{
For (i=j; i>=l; I - -)
{
Printf (“%3d”, i);
}
Printf (“\n”);
}
}
OUTPUT:
Enter Value of x : 4
1
1 2
1 2 3
1 2 3 4
4 3 2 1
3 2 1
2 1
1
Write a program to generate the pyramid structure using numerical.
#include<stdio.h>
#include<conio.h>
Void main ( )
{
Int k, I, j, x, p=34;
Printf (“\n Enter A number :”);
Scanf (“%d”, &x);
Clrscr ( );
For (j=0; j <=x; j++)
{
Gotoxy(p, j+l);
/* position cursor on screen (x cordinate, y cordinate) */
For (i=0 – j; I <=j; i++)
Printf (“%3d”, abs ( I ) );
P=p-3;
}
}
OUTPUT:
Enter a number : 3
0
1 0 1
2 1 0 1 2
3 2 1 0 1 2 3
