//#include <iostream>
#include <stdio.h>
using namespace std;
int d[1001][1001];
int main()
{
    int i,j,k,n=0;
    FILE *f=fopen("royfloyd.in","r"),*g=fopen("royfloyd.out","w");
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        fscanf(f,"%d",&d[i][j]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            if(d[i][k]&&d[j][k]&&i!=j&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j]))
                d[i][j]=d[i][k]+d[k][j];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fprintf(g,"%d ",d[i][j]);
        fprintf(g,"\n");
    }

    return 0;
}