제출 #864063

#제출 시각아이디문제언어결과실행 시간메모리
864063VMaksimoski008봉쇄 시간 (IOI23_closing)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define pb push_back #define eb emplace_back #define sz(x) (int)x.size() #define all(x) x.begin(), x.end() #define uniq(x) x.erase(unique(all(x)), x.end()) #define rall(x) x.rbegin(), x.rend() //#define int long long using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using Node = array<ll, 3>; const int mod = 1e9 + 7; const int LOG = 20; const int maxn = 1e5 + 5; const double eps = 1e-9; void setIO() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); } int n; vector<vector<pii> > graph; vector<int> dist1, dist2; void dfs(int u, int p, int a, int d) { if(a == 1) dist1[u] = d; else dist2[u] = d; for(pii &next : graph[u]) { int v = next.first; int w = next.second; if(v == p) continue; dfs(v, u, a, d + w); } } int max_score(int N, int X, int Y, ll K, vector<int> U, vector<int> V, vector<int> W) { n = N; graph.clear(); graph.resize(n); dist1.clear(); dist1.resize(n); dist2.clear(); dist2.resize(n); for(int i=0; i<n-1; i++) { graph[U[i]].push_back({ V[i], W[i] }); graph[V[i]].push_back({ U[i], W[i]}); } dfs(X, 0, 1, 0); dfs(Y, 0, 2, 0); int ans = 0; priority_queue<Node, vector<Node>, greater<Node> > pq; for(int i=0; i<n; i++) pq.push({ min(dist1[i], dist2[i]), 1, i }); while(!pq.empty()) { int u = pq.top().at(2); int t = pq.top().at(1); ll d = pq.top().at(0); pq.pop(); if(d <= K) { ans++; K -= d; if(t == 1) { pq.push({ max(dist1[u], dist2[u]), 2, i }); } } } return ans; } // int32_t main() { // setIO(); // // return 0; // }

컴파일 시 표준 에러 (stderr) 메시지

closing.cpp: In function 'int max_score(int, int, int, ll, std::vector<int>, std::vector<int>, std::vector<int>)':
closing.cpp:79:55: error: 'i' was not declared in this scope
   79 |                 pq.push({ max(dist1[u], dist2[u]), 2, i });
      |                                                       ^
closing.cpp:79:58: error: no matching function for call to 'std::priority_queue<std::array<long long int, 3>, std::vector<std::array<long long int, 3> >, std::greater<std::array<long long int, 3> > >::push(<brace-enclosed initializer list>)'
   79 |                 pq.push({ max(dist1[u], dist2[u]), 2, i });
      |                                                          ^
In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from closing.cpp:1:
/usr/include/c++/10/bits/stl_queue.h:640:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::array<long long int, 3>; _Sequence = std::vector<std::array<long long int, 3> >; _Compare = std::greater<std::array<long long int, 3> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::array<long long int, 3>]'
  640 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:640:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::array<long long int, 3>&'}
  640 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:648:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::array<long long int, 3>; _Sequence = std::vector<std::array<long long int, 3> >; _Compare = std::greater<std::array<long long int, 3> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::array<long long int, 3>]'
  648 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:648:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<std::array<long long int, 3>, std::vector<std::array<long long int, 3> >, std::greater<std::array<long long int, 3> > >::value_type&&' {aka 'std::array<long long int, 3>&&'}
  648 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~