Submission #162138

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>

int main() {
  char str[24];
  scanf("%s", str);
  if (strcmp(str, "a") == 0) printf("-1\n");
  else printf("a\n");
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result