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

int main(void) {
  int n = strlen("");
 
  int res = '\0' == (char) 0;
  printf("\n%d",res);
  res = "" == (char) 0;
  printf("\n%d",res);
  res = "" == 0;
  printf("\n%d",res);
  printf("\n%d", 0 == !1);
  printf("\n%d", "" == !1);
  printf("\n%d", 0 == '\0');
  printf("\n%d", 0 == "");
  return 0;
}

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