Cod sursa(job #1206543)

Utilizator popalexPopescu Alexandru popalex Data 10 iulie 2014 14:53:32
Problema Floyd-Warshall/Roy-Floyd Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.71 kb
#include <stdio.h>
#include <algorithm>

int N, D[101][101][101];
FILE *in, *out;

int main()
{
    in = fopen("royfloyd.in", "r");
    out = fopen("royfloyd.out", "w");


    fscanf(in, "%d", &N);

    for(int i = 1; i <= N; i++)
        for (int j = 1; j <= N; j++)
            fscanf(in, "%d", &D[i][j][0]);

    for(int k = 1; k <= N; k++)
        for(int i = 1; i <= N; i++)
            for(int j = 1; j <= N; j++){
                D[i][j][k] = std::min(D[i][j][k -1], D[i][k][k - 1] + D[k][j][k -1]);
            }


    for(int i = 1; i <= N; i++){
        for(int j = 1; j <= N; j++)
            fprintf(out, "%d ", D[i][j][N]);
        fprintf(out, "\n");
    }



    fclose(in);
    fclose(out);

    return 0;
}