#include <cstdio>

#define INF 1000000

int n;
int w[100][100] = {{0}};
int dist[100][100];

void royfloyd()
{
    // init

    for (int i = 0; i != n; ++i)
        for (int j = 0; j != n; ++j)
            if (w[i][j] == 0 && i != j)
                dist[i][j] = INF;
            else dist[i][j] = w[i][j];

    // alg

    for (int k = 0; k != n; ++k)
        for (int i = 0; i != n; ++i)
            for (int j = 0; j != n; ++j)
                if (dist[i][j] > dist[i][k] + dist[k][j])
                    dist[i][j] = dist[i][k] + dist[k][j];
}

int main()
{
    FILE*f;

    f = fopen("royfloyd.in","r");
    fscanf(f,"%d",&n);
    for (int i = 0; i != n; ++i)
        for (int j = 0; j != n; ++j)
            fscanf(f,"%d",&w[i][j]);
    fclose(f);

    royfloyd();

    f = fopen("royfloyd.out","w");
    for (int i = 0; i != n; ++i)
    {
        for (int j = 0; j != n; ++j)
            fprintf(f,"%d ",dist[i][j]);
        fprintf(f,"\n");
    }
    fclose(f);

    return 0;
}