제출 #257940

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
257940		MrRobot_28	Birmingham (COCI20_birmingham)	C++17	70 / 70	282 ms	10616 KiB

birmingham

#include<bits/stdc++.h>
using namespace std;

signed main() {
//	ios_base::sync_with_stdio(false);
//	cin.tie(NULL);
//	cout.tie(NULL);
	int n, m, q, k;
	cin >> n >> m >> q >> k;
	vector <int> dist(n, 1e9);
	queue <int> Q;
	for(int i = 0; i < q; i++)
	{
		int a;
		cin >> a;
		a--;
		dist[a] = 0;
		Q.push(a);
	}
	vector <vector <int> > g(n);
	for(int i = 0; i < m; i++)
	{
		int a, b;
		cin >> a >> b;
		a--;
		b--;
		g[a].push_back(b);
		g[b].push_back(a);
	}
	vector <int> ans(n, 0);
	for(int i = 1;; i++)
	{
		while(Q.size() > 0 && dist[Q.front()] < i * (i + 1) / 2 * k)
		{
			int v = Q.front();
			Q.pop();
			for(int j = 0; j < g[v].size(); j++)
			{
				int to = g[v][j];
				if(dist[to] > dist[v] + 1)
				{
					ans[to] = i;
					dist[to] = dist[v] + 1;
					Q.push(to);
				}
			}
		}
		if(Q.size() == 0)
		{
			break;
		}
	}
	for(int i = 0; i < n; i++)
	{
		cout << ans[i] << " ";
	}
  	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

birmingham.cpp: In function 'int main()':
birmingham.cpp:37:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0; j < g[v].size(); j++)
                   ~~^~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
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• Subtask 10: 5 / 5
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• Subtask 13: 5 / 5
• Subtask 14: 5 / 5