Submission #6905580


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#include <algorithm>
#include <climits>
#include <functional>
#include <iostream>
#include <queue>
#include <utility>
#include <vector>
using namespace std;

int main() {
	int N, M, a, b, t, ans = INT_MAX;
	cin >> N >> M;
	vector<vector<pair<int, int>>> c(N);
	for (int i = 0; i < M; ++i) {
		cin >> a >> b >> t;
		c[a - 1].emplace_back(b - 1, t);
		c[b - 1].emplace_back(a - 1, t);
	}
	for (int i = 0; i < N; ++i) {
		priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> d;
		d.emplace(0, i);
		vector<bool> e(N);
		vector<int> f(N, INT_MAX);
		f[i] = 0;
		while (!d.empty()) {
			pair<int, int> g = d.top();
			d.pop();
			e[g.second] = true;
			for (int j = 0; j < c[g.second].size(); ++j) {
				if (!e[c[g.second][j].first]) {
					if (c[g.second][j].second + f[g.second] < f[c[g.second][j].first]) {
						f[c[g.second][j].first] = c[g.second][j].second + f[g.second];
						d.emplace(f[c[g.second][j].first], c[g.second][j].first);
					}
				}
			}
		}
		ans = min(*max_element(f.begin(), f.end()), ans);
	}
	cout << ans;
}

Submission Info

Submission Time
Task D - バスと避けられない運命
User Mcpu3
Language C++14 (GCC 5.4.1)
Score 100
Code Size 1097 Byte
Status
Exec Time 428 ms
Memory 1536 KB

Test Cases

Set Name Score / Max Score Test Cases
All 100 / 100 sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt
Case Name Status Exec Time Memory
sample_01.txt 1 ms 256 KB
sample_02.txt 1 ms 256 KB
sample_03.txt 1 ms 256 KB
test_01.txt 1 ms 256 KB
test_02.txt 7 ms 256 KB
test_03.txt 428 ms 1536 KB
test_04.txt 20 ms 256 KB
test_05.txt 127 ms 640 KB
test_06.txt 14 ms 384 KB
test_07.txt 310 ms 1408 KB
test_08.txt 2 ms 256 KB
test_09.txt 88 ms 640 KB
test_10.txt 11 ms 384 KB
test_11.txt 13 ms 384 KB
test_12.txt 49 ms 384 KB
test_13.txt 14 ms 384 KB
test_14.txt 21 ms 384 KB
test_15.txt 284 ms 1408 KB
test_16.txt 24 ms 384 KB
test_17.txt 101 ms 640 KB
test_18.txt 48 ms 384 KB
test_19.txt 26 ms 384 KB
test_20.txt 21 ms 384 KB
test_21.txt 1 ms 256 KB
test_22.txt 28 ms 384 KB
test_23.txt 1 ms 256 KB
test_24.txt 4 ms 256 KB
test_25.txt 4 ms 256 KB
test_26.txt 2 ms 256 KB
test_27.txt 3 ms 256 KB
test_28.txt 4 ms 256 KB
test_29.txt 4 ms 256 KB
test_30.txt 2 ms 256 KB
test_31.txt 1 ms 256 KB
test_32.txt 4 ms 256 KB
test_33.txt 4 ms 256 KB
test_34.txt 1 ms 256 KB
test_35.txt 2 ms 256 KB
test_36.txt 4 ms 256 KB