#include <stdio.h>
#define IN "royfloyd.in"
#define OUT "royfloyd.out"
#define NMAX 105
#define INF 1000000

int n,i,j,k;
int cost[NMAX][NMAX];

int main()
{
    FILE * fin=fopen(IN,"r");
    FILE * fout=fopen(OUT,"w");

    fscanf(fin,"%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            fscanf(fin,"%d",&cost[i][j]);
            if(cost[i][j]==0 && i!=j)
                cost[i][j]=INF;
        }
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(cost[i][j]>cost[i][k]+cost[k][j])
                    cost[i][j]=cost[i][k]+cost[k][j];

    for(i=1;i<=n;i++)
    {
        fprintf(fout,"%d",cost[i][1]);
        for(j=2;j<=n;j++)
            fprintf(fout," %d",cost[i][j]);
        fprintf(fout,"\n");
    }
    fclose(fin);
    fclose(fout);
    return 0;
}