Submission #1585284

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define FOR(i, n) for(int i = 0; i < (n); i++)
#define MEM(a, x) memset(a, x, sizeof(a))
#define ALL(a) a.begin(), a.end()
#define UNIQUE(a) a.erase(unique(ALL(a)), a.end())
typedef long long ll;

int n, m, d[305][305];

int main(int argc, char const *argv[]) {
	ios_base::sync_with_stdio(false);
	cin >> n >> m;
	FOR(i, n) {
		FOR(j, n) d[i][j] = 1e9;
	}
	FOR(i, m) {
		int a, b, t;
		cin >> a >> b >> t;
		a--;
		b--;
		d[a][b] = t;
		d[b][a] = t;
	}
	FOR(i, n) {
		FOR(j, n) {
			FOR(k, n) d[i][j] = min(d[i][j], d[i][k] + d[k][j]);
		}
	}
	int mi = 1e9;
	FOR(i, n) {
		int ma = 0;
		FOR(j, n) {
			if (i != j) ma = max(ma, d[i][j]);
		}
		mi = min(mi, ma);
	}
	cout << mi << endl;
	return 0;
}

Submission Info

Judge Result