제출 #845129

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
845129		vjudge1	Birmingham (COCI20_birmingham)	C++14	70 / 70	245 ms	13504 KiB

birmingham

#include <bits/stdc++.h>

using namespace std;

void solve(void){
	int n,m,q,k;
	cin >> n >> m >> q >> k;
	vector<int> insider(q);
	vector<vector<int>> komsu(n);

	for(int i=0; i<q; i++)
		cin >> insider[i];
	for(int i=0; i<m; i++){
		int a,b;
		cin >> a >> b;
		a--;
		b--;
		komsu[a].push_back(b);
		komsu[b].push_back(a);
	}

	vector<int> uzaklik(n,-1);

	priority_queue<pair<int,int>> pq;

	for(int i=0; i<q; i++){
		pq.push({0, insider[i]-1});
	}

	while(pq.size()){
		int len = -pq.top().first;
		int node = pq.top().second;
		pq.pop();

		if( uzaklik[node] != -1 )
			continue;

		uzaklik[node] = len;

		for(int i=0; i<komsu[node].size(); i++){
			pq.push({-len-1, komsu[node][i]});
		}
	}

	for(int i=0; i<n; i++){
		int len = ceil( ((double) uzaklik[i] )/ k );

		cout << ceil( (-1 + sqrt(1+8*len))/2 ) << " ";
	}
	cout << "\n";
}

int main(){
	int t=1;
//	cin >> t;
	while(t--)
		solve();
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

birmingham.cpp: In function 'void solve()':
birmingham.cpp:40:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   for(int i=0; i<komsu[node].size(); i++){
      |                ~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
• Subtask 7: 5 / 5
• Subtask 8: 5 / 5
• Subtask 9: 5 / 5
• Subtask 10: 5 / 5
• Subtask 11: 5 / 5
• Subtask 12: 5 / 5
• Subtask 13: 5 / 5
• Subtask 14: 5 / 5