oj.uz

답안 #1008365

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1008365 2024-06-26T10:02:13 Z overwatch9 자매 도시 (APIO20_swap) C++17
0 / 100
 2000 ms 15264 KB 
#include "swap.h"

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

vector <vector <pair <int, int>>> adj;
vector <array <int, 3>> edges;
int n, m;
bool comp(array <int, 3> a, array <int, 3> b) {
	return a[2] < b[2];
}
void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) {
	// ios_base::sync_with_stdio(false);
	// cin.tie(0);
	// cout.tie(0);
    adj.resize(N+1);
	n = N;
	m = M;
    for (int i = 0; i < M; i++) {
        adj[U[i]].push_back({V[i], W[i]});
		adj[V[i]].push_back({U[i], W[i]});
		edges.push_back({U[i], V[i], W[i]});
	}
	sort(edges.begin(), edges.end(), comp);
}
struct DSU {
	vector <int> link, sz;
	DSU (int s) {
		link = sz = vector <int> (s+1);
		for (int i = 1; i <= s; i++) {
			link[i] = i;
			sz[i] = 1;
		}
	}
	int head(int x) {
		if (link[x] != x)
			return link[x] = head(link[x]);
		return x;
	}
	bool same(int a, int b) {
		return head(a) == head(b);
	}
	void unite(int a, int b) {
		a = head(a);
		b = head(b);
		if (sz[a] < sz[b])
			swap(a, b);
		sz[a] += sz[b];
		link[b] = a;
	}
};
int getMinimumFuelCapacity(int x, int y) {
	DSU dsu(n+1);
	int ans = -1;
	for (int i = 0; i < m; i++) {
		int a = edges[i][0], b = edges[i][1];
		if (!dsu.same(a, b))
			dsu.unite(a, b);
		else {
			if (dsu.same(a, x)) {
				if (dsu.same(x, y)) {
					ans = edges[i][2];
				}
			}
		}
	}
	return ans;
}
// int main() {
// 	int N, M;
// 	cin >> N >> M;
// 	vector <int> u(M), v(M), w(M);
// 	for (int i = 0; i < M; i++)
// 		cin >> u[i] >> v[i] >> w[i];
// 	init(N, M, u, v, w);
// 	int q;
// 	cin >> q;
// 	while (q--) {
// 		int x, y;
// 		cin >> x >> y;
// 		cout << getMinimumFuelCapacity(x, y) << '\n';
// 	}
// }

Subtask #1
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 37 ms 9484 KB Output is correct
10 Correct 48 ms 11124 KB Output is correct
11 Correct 51 ms 11024 KB Output is correct
12 Correct 50 ms 11540 KB Output is correct
13 Correct 47 ms 11540 KB Output is correct
14 Execution timed out 2062 ms 10004 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Execution timed out 2045 ms 15264 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Incorrect 1 ms 344 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 37 ms 9484 KB Output is correct
10 Correct 48 ms 11124 KB Output is correct
11 Correct 51 ms 11024 KB Output is correct
12 Correct 50 ms 11540 KB Output is correct
13 Correct 47 ms 11540 KB Output is correct
14 Execution timed out 2062 ms 10004 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -