Write a program that prompts the user to input a string and outputs the string in uppercase letters.
#include <stdio.h>
int main()
{
char str[80];
int i;
printf("Enter a string: ");
gets(str);
for (i = 0; str[i] != '\0'; i++)
{
str[i] = (str[i] >= 'a' && str[i] <= 'z') ? (str[i] - 32): str[i];
}
printf("\nConverted string: %s", str);
return 0;
}
Enter a string: Computer science
Converted string: COMPUTER SCIENCE