AtCoder Beginner Contest 012

Submission #6905580

Source codeソースコード

#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

Task問題 D - バスと避けられない運命
User nameユーザ名 Mcpu3
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 1097 Byte
File nameファイル名
Exec time実行時間 428 ms
Memory usageメモリ使用量 1536 KB

Test case

Set

Set name Score得点 / Max score 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
test_01.txt AC 1 ms 256 KB
test_02.txt AC 7 ms 256 KB
test_03.txt AC 428 ms 1536 KB
test_04.txt AC 20 ms 256 KB
test_05.txt AC 127 ms 640 KB
test_06.txt AC 14 ms 384 KB
test_07.txt AC 310 ms 1408 KB
test_08.txt AC 2 ms 256 KB
test_09.txt AC 88 ms 640 KB
test_10.txt AC 11 ms 384 KB
test_11.txt AC 13 ms 384 KB
test_12.txt AC 49 ms 384 KB
test_13.txt AC 14 ms 384 KB
test_14.txt AC 21 ms 384 KB
test_15.txt AC 284 ms 1408 KB
test_16.txt AC 24 ms 384 KB
test_17.txt AC 101 ms 640 KB
test_18.txt AC 48 ms 384 KB
test_19.txt AC 26 ms 384 KB
test_20.txt AC 21 ms 384 KB
test_21.txt AC 1 ms 256 KB
test_22.txt AC 28 ms 384 KB
test_23.txt AC 1 ms 256 KB
test_24.txt AC 4 ms 256 KB
test_25.txt AC 4 ms 256 KB
test_26.txt AC 2 ms 256 KB
test_27.txt AC 3 ms 256 KB
test_28.txt AC 4 ms 256 KB
test_29.txt AC 4 ms 256 KB
test_30.txt AC 2 ms 256 KB
test_31.txt AC 1 ms 256 KB
test_32.txt AC 4 ms 256 KB
test_33.txt AC 4 ms 256 KB
test_34.txt AC 1 ms 256 KB
test_35.txt AC 2 ms 256 KB
test_36.txt AC 4 ms 256 KB