提出 #29733

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ソースコード 拡げる

#include <cstdio>
#include <algorithm>
#include <vector>
#include <cstring>
#include <functional>
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()

typedef pair<int, int> PII;

int main() {

  int N;
  scanf("%d", &N);

  char mat[16][16];
  int ex[16] = {0};
  
  REP(i, N) REP(j, N) {
    scanf(" %c ", &mat[i][j]);
    ex[i] += (mat[i][j] == 'o' ? 3 : (i == j ? 1 : 0));
  }

  vector<PII> hand;
  REP(i, N) hand.push_back(PII(ex[i], i + 1));
  sort(ALL(hand), greater<PII>());

  int wh = 0, lose_c = 0;
  REP(i, 1000) {
    printf("%d\n", hand[wh].second); fflush(stdout);
    int x;
    scanf("%d", &x);
    if(mat[hand[wh].second - 1][x - 1] == 'x') lose_c ++;
    if(lose_c >= 3) {
      wh = 1 - wh;
      lose_c = 0;
    }
  }

  return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:24:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:36:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

ジャッジ結果