#268214 (C++14) No.43 野球の試合

• 問題: No.43 野球の試合
• ユーザー: nomi
• 提出日時: 2018-06-23 17:53:46
• 言語: C++14 (gcc 13.3.0 + boost 1.87.0)
• 結果: WA
• 実行時間: -
• コード長: 1,778 bytes
• コンパイル時間: 1,742 ms
• コンパイル使用メモリ: 180,640 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-06-30 18:29:53
• 合計ジャッジ時間: 2,313 ms
• ジャッジサーバーID （参考情報）: judge5 / judge2

ファイルパターン	結果
sample	AC * 4
other	AC * 6 WA * 1

ソースコード

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#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
int N;
char B[10][10];
int h = 0;
int ans = 100;
void print() {
   for (int i = 0; i < N; i++) {
      for (int j = 0; j < N; j++) {
         printf("%c", B[i][j]);
      }
      puts("");
   }
}
bool exist() {
   for (int i = 0; i < N; i++) {
      for (int j = 0; j < N; j++) {
         if (B[i][j] == '-') return true;
      }
   }
   return false;
}
int result() {
   map<int, int> mp;
   for (int i = 0; i < N; i++) {
      mp[i] = 0;
   }
   for (int i = 0; i < N; i++) {
      for (int j = 0; j < N; j++) {
         if (B[i][j] == 'o') {
            mp[i]++;
         }
      }
   }
   set<int> S;
   for (auto x:mp) {
      S.insert(x.second);
   }
   int cnt = 1;
   for (auto itr = S.rbegin(); itr != S.rend(); itr++) {
      if (*itr == mp[0]) {
         return cnt;
      }
      cnt++;
   }
   return 100;
}
void dfs() {
   if (!exist()) {
      // print();
      // int res = result();
      // printf("res: %d\n", res);
      // puts("---------------");
      ans = min(ans, result()); 
   }
   for (int i = 0; i < N; i++) {
      for (int j = 0; j < N; j++) {
         if (B[i][j] == '-') {
            B[i][j] = 'o';
            B[j][i] = 'x';
            dfs();
            B[i][j] = 'x';
            B[j][i] = 'o';
            dfs();
            B[i][j] = '-';
            return;
         }
      }
   }
}
int main() {
   cin >> N;
   for (int i = 0; i < N; i++) { cin >> B[i]; }
   for (int i = 0; i < N; i++) {
      if (B[0][i] == '-') {
         B[0][i] = 'o';
         B[i][0] = 'x';
      }
   }
   for (int i = 0; i < N; i++) {
      if (B[0][i] == '-') {
         B[0][i] = 'o';
         B[i][0] = 'x';
      }
   }
   dfs();
   cout << ans << endl;
   return 0;
}
 
 
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