#include <stdio.h>
int main()
{
int x,y,temp,*a,*b;
printf("Enter the two numbers : ");
scanf("%d%d",&x,&y);
printf("nBefore swapping : n x = %dn y = %dn",x,y);
a = &x;
b = &y;
temp = *b;
*b = *a;
*a = temp;
printf("After swapping : n x = %dn y = %dn",x,y);
return 0;
}
Output :
Enter the two numbers :
10
20
Before swapping :
x = 10
y = 20
After swapping :
x = 20
y = 10
Computer Science » C Program » Even Number Pyramid Program : [php]#include<stdio.h> int main() { int i, j, num = 2; for (i = 0; i < 4; i++) { num = 2; for (j = 0; j <= i; j++) { printf("%dt", num); num = num + 2; } printf("n"); } return (0); }[/php] Output : [php]2 2 4 2 4 6 2 4 6 8 [/php]
Computer Science » C Program » Check Whether Two Numbers are Equal or Not Program : [php]#include <stdio.h> int main() { int num1, num2; printf("Enter the two integer numbers : "); scanf("%d %d", &num1, &num2); if (num1 == num2) printf("nThe two numbers are equal.n"); else printf("nThe two numbers are not equal.n"); }[/php] Output 1: [php]Enter the two integer numbers : 10 10 The two numbers are equal.[/php] Output 2: [php]Enter the two integer numbers : 10 11 The two numbers are not equal.[/php]
Computer Science » C Program » Prime Number Pyramid Program : [php]#include<stdio.h> int prime(int num); int main() { int i, j; int num = 2; for (i = 0; i < 5; i++) { printf("n"); for (j = 0; j <= i; j++) { while (!prime(num)) { num++; } printf("%dt", num++); } } return (0); } int prime(int num) { int i, flag; for (i = 2; i < num; i++) { if (num % i != 0) flag = 1; else { flag = 0; break; } } if (flag == 1 || num == 2) return (1); else return (0); }[/php] Output : [php]2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 [/php]
Computer Science » C Program » Rectangle using Line and Special Symbols Program : [php]#include<stdio.h> int main() { int i, j; for (i = 0; i < 10; i++) { printf("n"); for (j = 0; j < 10; j++) { if (i == 0 || i == 9 || j == 0 || j == 9) printf("▲"); else printf("-"); } } return (0); }[/php] Output : [php]▲▲▲▲▲▲▲▲▲▲ ▲--------▲ ▲--------▲ ▲--------▲ ▲--------▲ ▲--------▲ ▲--------▲ ▲--------▲ ▲--------▲ ▲▲▲▲▲▲▲▲▲▲[/php]
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