제출 #842256

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
842256		omeganot	Closing Time (IOI23_closing)	C++17	컴파일 에러	0 ms	0 KiB

closing

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
const int MOD = 1E9 + 7;
const int INF = 1E9; const ll INFLL = 1E18;

const int MAX = 2E5;

int N; int X; int Y; int K;

int max_score(int N, int X, int Y, int K) {
	vector<ll> dist(N, INFLL);
	vector<vector<array<int, 2>>> adj(N);
	for(int i = 0; i + 1 < N; i++) {
		adj[U[i]].push_back({V[i], W[i]});
		adj[V[i]].push_back({U[i], W[i]});
	}
	dist[X] = 0; dist[Y] = 0;
	priority_queue<array<ll, 2>, vector<array<ll, 2>>, greater<array<ll, 2>>> pq; pq.push({0, X}); pq.push({0, Y});
	while(pq.size()) {
		array<ll, 2> x = pq.top();
		if(x[0] != dist[x[1]]) {
			continue;
		}
		for(array<int, 2> i : adj[x[1]]) {
			if(dist[i[0]] > dist[x[1]] + i[1]) {
				dist[i[0]] = dist[x[1]] + i[1];
				pq.push({dist[i[0]], i[0]});
			}
		}
	}
	sort(dist.begin(), dist.end());
	int ans = 0;
	ll sum = 0;
	for(ll i : dist) {
		if(sum + i <= K) {
			sum += i;
			ans++;
		}
	}
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

closing.cpp: In function 'int max_score(int, int, int, int)':
closing.cpp:17:7: error: 'U' was not declared in this scope
   17 |   adj[U[i]].push_back({V[i], W[i]});
      |       ^
closing.cpp:17:24: error: 'V' was not declared in this scope
   17 |   adj[U[i]].push_back({V[i], W[i]});
      |                        ^
closing.cpp:17:30: error: 'W' was not declared in this scope
   17 |   adj[U[i]].push_back({V[i], W[i]});
      |                              ^