#include <stdio.h>
#include <stdlib.h>

int graf[101][101];
int n;

void citire()
{
    FILE *f=fopen("royfloyd.in","r");
    int i,j;

    fscanf(f,"%d",&n);
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            fscanf(f,"%d",&graf[i][j]);

    fclose(f);
}

void floyd()
{
    int i,j,k;

    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for (j=1;j<=n;j++)
                if (graf[i][k] && graf[k][j] && (graf[i][j]>graf[i][k]+graf[k][j] || !graf[i][j]) && i!=j)
                    graf[i][j]=graf[i][k]+graf[k][j];
}

void afisare()
{
    FILE *g=fopen("royfloyd.out","w");
    int i,j;
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            fprintf(g,"%d ",graf[i][j]);
        fprintf(g,"\n");
    }
    fclose(g);
}

int main()
{
    citire();
    floyd();
    afisare();
    return 0;
}