Cod sursa(job #3192678)

Utilizator Frant_IoanaFrant Ioana Frant_Ioana Data 13 ianuarie 2024 09:51:48
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.75 kb
#include <bits/stdc++.h>
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n, cost[101][101];

int main(){

    fin >> n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            fin >> cost[i][j];
        }
    }

    for(int z = 1; z <= n; z++)
        for(int x = 1; x <= n; x++)
            for(int y = 1; y <= n; y++)
                if(cost[x][z] && cost[z][y] && (cost[x][z] + cost[z][y] < cost[x][y] || cost[x][y] == 0))
                    cost[x][y] = cost[x][z] + cost[z][y];

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            if(i == j) cost[i][j] = 0;
            fout << cost[i][j] << ' ';
        }
        fout << '\n';
    }
}