Cod sursa(job #1897717)

Utilizator TibiraducanuTiberiu Raducanu Tibiraducanu Data 1 martie 2017 17:30:36
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.8 kb
#include <bits/stdc++.h>

using namespace std;

const int N=105,Inf=10000;
int mat[N][N];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    int n,i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            scanf("%d",&mat[i][j]);
            if(mat[i][j]==0) mat[i][j]=Inf;
        }
    }

    for(k=1;k<=n;k++){
        for(i=1;i<=n;i++){
            for(j=1;j<=n;j++){
                if(i==j) continue;
                if(mat[i][k]+mat[k][j]<mat[i][j]) mat[i][j]=mat[i][k]+mat[k][j];
            }
        }
    }

    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            if(mat[i][j]>=Inf) mat[i][j]=0;
            printf("%d ",mat[i][j]);
        }
        printf("\n");
    }

    return 0;
}