Submission #1065924

#	Time	Username	Problem	Language	Result	Execution time	Memory
1065924		blackslex	Werewolf (IOI18_werewolf)	C++17	15 / 100	4041 ms	33896 KiB

werewolf

#include "werewolf.h"
#include<bits/stdc++.h>

using namespace std;

std::vector<int> check_validity(int N, std::vector<int> X, std::vector<int> Y,
                                std::vector<int> S, std::vector<int> E,
                                std::vector<int> L, std::vector<int> R) {
  int n = N, m = X.size(), q = S.size();
  vector<vector<int>> v(n, vector<int>());
  for (int i = 0; i < m; i++) v[X[i]].emplace_back(Y[i]), v[Y[i]].emplace_back(X[i]);
  vector<int> ans(q);
  for (int i = 0; i < q; i++) {
    int cs = S[i], ce = E[i], cl = L[i], cr = R[i];
    vector<int> fh(n), fw(n);
    function<void(int, int)> dfs = [&] (int cur, int par) {
      if (fh[cur] || cur < cl) return; fh[cur] = 1;
      for (auto &e: v[cur]) dfs(e, cur);
    };
    function<void(int, int)> dfs2 = [&] (int cur, int par) {
      if (fw[cur] || cur > cr) return; fw[cur] = 1;
      for (auto &e: v[cur]) dfs2(e, cur);
    };
    dfs(cs, 0); dfs2(ce, 0);
    for (int j = 0; j < n; j++) ans[i] |= (fh[j] & fw[j]);
  }
  return ans;
}

Compilation message (stderr)

werewolf.cpp: In lambda function:
werewolf.cpp:17:7: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   17 |       if (fh[cur] || cur < cl) return; fh[cur] = 1;
      |       ^~
werewolf.cpp:17:40: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   17 |       if (fh[cur] || cur < cl) return; fh[cur] = 1;
      |                                        ^~
werewolf.cpp: In lambda function:
werewolf.cpp:21:7: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   21 |       if (fw[cur] || cur > cr) return; fw[cur] = 1;
      |       ^~
werewolf.cpp:21:40: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   21 |       if (fw[cur] || cur > cr) return; fw[cur] = 1;
      |                                        ^~

• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 0 / 34
• Subtask 4: 0 / 51