Submission #187758

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Source Code Expand

#include <stdio.h>

void change(char *str){
   int flg = 0;
   while(*str != '\0'){
      if(flg == 0){
         if(*str >= 'a' && *str <= 'z'){
            *str -= 32;
            flg = 1;
         }
      }else if(flg ==1){
        if(*str >= 'A' && *str <= 'Z'){
            *str += 32;
        }
      }
      str++;
    }
}
      

int main(){
    char str[15];
    scanf("%s",str);
    change(str);
    printf("%s\n",str);
    return 0;
}
    

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:23:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result