提出 #76967545

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ソースコード 拡げる

 #include <bits/stdc++.h>
 using namespace std;
 typedef pair<long long, long long> pii;
 typedef pair<long long, pair<long long, long long>> piii;
 typedef long long ll;
 #define F first
 #define S second
 #define pb push_back
 #define all(a) a.begin(), a.end()
 #define fast_io ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
 #define int long long
 #define fr(n) for (int i = 0; i < n; i++)

string xxor(string s, string t) {
  string ans;
  for (int i = 0; i < s.size(); i++) {
    if (s[i] == '1' || t[i] == '1') ans.pb('1');
    else ans.pb('0');
  }
  return ans;
}

signed main() {
  int t;
  // cin >> t;
  // while(t--) {
  //     solve();
  //   }
  int n, l, q;
  cin >> n >> l >> q;
  string arr[n];
  fr (n) {
    cin >> arr[i];
  }
  fr (q) {
    int m;
    string res;
    fr (l) res.pb('0');
    cin >> m;
    fr (m) {
      int c;
      cin >> c;
      c--;
      res = xxor(res, arr[c]);
    }
    cout << res << endl;
  }
}

提出情報

コンパイルエラー

./Main.cpp: In function 'std::string xxor(std::string, std::string)':
./Main.cpp:16:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |   for (int i = 0; i < s.size(); i++) {
      |                   ~~^~~~~~~~~~
./Main.cpp: In function 'int main()':
./Main.cpp:24:7: warning: unused variable 't' [-Wunused-variable]
   24 |   int t;
      |       ^

ジャッジ結果