Cod sursa(job #3302988)

Utilizator MrPetcuPetcu Robert MrPetcu Data 12 iulie 2025 15:18:37
Problema Floyd-Warshall/Roy-Floyd Scor 90
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.77 kb
#include <fstream>

using namespace std;

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

int n;
long long cost[100+5][100+5];

int main(){
    fin >> n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            fin >> cost[i][j];
        }
    }
    for(int k = 1; k <= n; k++){
        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= n; j++){
                if(cost[i][j] > cost[i][k] + cost[k][j] || (cost[i][j] == 0 && i != j)){
                    cost[i][j] = cost[i][k] + cost[k][j];
                }
            }
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            fout << cost[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}