#pcwalay

#include <stdio.h>

#include<conio.h>

void main() {

int time, hours, minutes, seconds;

printf("Enter time in format h m s : \n");

scanf("%d %d %d", &hours, &minutes, &seconds);

time = ((hours * 3600) + (minutes * 60) + seconds);

printf("%02d : %02d : %02d = %d Seconds", hours, minutes, seconds, time);

getch();

#include<stdio.h>

#include<conio.h>

void main()

{

float n; // Variable declaration

printf ("Enter any number : ");

scanf ("%f", &n);

printf ("Number = %.2f", n);

getch();

#include <stdio.h>

int main() {

char c;

printf("Enter a character: ");

scanf("%c", &c); // Reads character input

// %d displays the integer value of a character

// %c displays the actual character

printf("ASCII value of %c = %d", c, c);

return 0;

#include <stdio.h>

void main() {

float meter, feet;

printf("Enter feet : ");

scanf("%f", &feet);

meter = feet / 3.2808399;

printf("meter: %f", meter);

return 0;

#include <stdio.h>

void main()

{

int x, y;

printf("Enter Two numbers:\n");

scanf("%d %d", &x, &y);

printf("Sum = %d\n", x + y);

printf("Difference = %d\n", x * y);

printf("Product = %d\n", x - y);

printf("Division = %d\n", x / y);

This program shows how the values of two variables can be swapped with the help of a third variable.

#include <stdio.h>

int main() {

int n1, n2, temp;

printf("Type value of number 1 : ");

scanf("%d", &n1);

printf("\nType value of number 2 : ");

scanf("%d", &n2);

temp = n1;

n1 = n2;

n2 = temp;

printf("After swapping values \n");

printf("number 1 : %d", n1);

printf("\nnumber 2 : %d", n2);

return 0;