Submission

Score: 0

User: tnka4_

Problemset: forex

Language: cpp

Time: 0.058 second

Submitted On: 2026-03-10 18:27:27

#include <iostream>
#include <vector>
#include <queue>
//#include <thread>
using namespace std;

int n, latestDepth = 32, latestCur;
vector<vector<double>> adjMat;

int main() {
    cin >> n;
    adjMat.resize(n, vector<double>(n));

    for (int i=0; i<n; i++) {
        for (int j=0; j<n; j++) {
            cin >> adjMat[i][j];
        }
    }

    for (int i=0; i<n; i++) {
        //cout << "============ " << i << endl; 
        queue<vector<double>> q;
        double currentCurrency = i;
        q.push({currentCurrency, 0, 1});
        while (!q.empty()) {
            //this_thread::sleep_for(500ms);
            vector<double> current = q.front();
            q.pop();
            //cout << current[1] << " = " << current[2] << " (CURR: " << current[0] << ")" << endl;
            if (current[2] > 1.01 && latestDepth > current[1] && current[0] == currentCurrency) {
                latestDepth = current[1];
                latestCur = current[0];
                //cout << "OK" << endl;
                break;
            }
            if (current[1] == n+1) continue;
            for (int j=0; j<n; j++) {
                double dj = j;
                q.push({dj, current[1]+1, current[2] * adjMat[current[0]][dj]});
            }
        }
    }
    if (latestDepth == 32) {
        cout << -1;
    } else {
        cout << latestCur + 1 << " " << latestDepth;
    }
    return 0;
}