C Program | Convert lower case to upper case

Write a Code for C Program to Convert  lower case to upper case:

 Code:

#include<stdio.h>
#include<string.h>
void main()
{
 int i;
 char s[100];
 printf("Enter a string:\n");
 gets(s);
 for(i=0;s[i];i++)
 {
 if(s[i]>='a' && s[i]<='z')
     s[i]=s[i]-32;
 }
 printf("%s\n",s);
}

Output:


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