Submission #3428823

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Source Code Expand

#include <stdio.h>

int main(void) {
  char s[5];
  scanf("%s", s);
  if(s[0] == s[1] && s[2] == s[3] && s[1] != s[2]) printf("Yes");
  else printf("No");
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:5:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", s);
                 ^

Judge Result