Submission #891500

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Source Code Expand

#include <stdio.h>
#include <string.h>

int main(){
   char str[14];
   int len;
   int i;

   scanf("%s",str);
   len=strlen(str);
   for(i=len;i>3;--i){
      str[i+1]=str[i];
   }
   str[4]=' ';
   puts(str);

   return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%s",str);
                   ^

Judge Result