Submission #386344

#	Time	Username	Problem	Language	Result	Execution time	Memory
386344		model_code	Alias (COCI21_alias)	C++17	60 / 70	1094 ms	8300 KiB

alias

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

typedef long long ll;

const ll INF = 1e18;

vector<string> words;
int index(string word) {
    for (int i = 0; i < (int)words.size(); i++)
        if (words[i] == word) return i;
    words.push_back(word);
    return (int)words.size() - 1;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    int n, m;
    cin >> n >> m;

    vector<vector<ll>> dist(n, vector<ll>(n, INF));
    for (int i = 0; i < n; i++) dist[i][i] = 0;

    while (m--) {
        string x, y;
        ll t;
        cin >> x >> y >> t;
        dist[index(x)][index(y)] = min(dist[index(x)][index(y)], t);
    }

    for (int k = 0; k < n; k++)
        for (int i = 0; i < n; i++)
            for (int j = 0; j < n; j++)
                dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]);
    int q;
    cin >> q;
    while (q--) {
        string a, b;
        cin >> a >> b;
        ll sol = dist[index(a)][index(b)];
        if (sol == INF) cout << "Roger\n";
        else cout << sol << '\n';
    }

    return 0;
}

• Subtask 1: 60 / 70