programming language

#include<stdio.h> int main() {  float celcius, fahrenheit;  printf("\nEnter temp in Celcius : ");  scanf("%f", &celcius);  fahrenheit = (1.8 * celcius) + 32;  printf("\nTemperature in Fahrenheit : %f ", fahrenheit);  return (0); }

#include<stdio.h> #include<conio.h> void main() {  float km,m,feet,inch,cm;  printf("Enter the distance between two cities(in km) - ");  scanf("%f",&km);  m = km*1000;  //since 1km = 1000m feet= km*3280.84;  //since 1km=3280.84feet inch=km*39370.1;  //since 1 km=39370.1inches cm=km*100000;  //since 1km = 100000cm printf("\nDistance in kilometres = %f ",km); printf("\nDistance in metres = %f ",m);  printf("\nDistance in feet = %f ",feet); printf("\nDistance in inches = %f ",inch);  printf("\nDistance in centimetres = %f ",cm); getch(); }

Write a C program to interchange two numbers.          #include <stdio.h>         int main()     {       int x, y, t;           printf("Enter two integers\n");       scanf("%d%d", &x, &y);           printf("Before Swapping\nFirst integer = %d\nSecond integer = %d\n", x, y);           t = x;       x = y;       y = t;           printf("After Swapping\nFirst integer = %d\nSecond integer = %d\n", x, y);           return 0;     }