Submission #29197

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Source Code Expand

#include <cstdio>
#include <algorithm>
#include <vector>
#include <cstring>
using namespace std;

#define REPN(i, a, b) for(int i = (int)(a); i < (int)(b); i++)
#define REP(i, n) REPN(i, 0, n)
#define FOR(i, c) for(__typeof((c).begin()) i = (c).begin(); i != (c).end(); i++)
#define ALL(c) (c).begin(), (c).end();

int main() {

  char buf[64];
  scanf("%s", buf);
  int len = strlen(buf);
  
  int a = 0, b = 0;
  REP(i, len) {
    if(i == 0 || buf[i] != buf[i - 1]) {
      (buf[i] == 'o' ? a : b) ++;
    }
  }

  printf(a >= b ? "o\n" : "x\n");

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result