#include <cstdio>

using namespace std;
int d[105][105];
int main()
{
    FILE *in,*out;
    in=fopen("royfloyd.in","r");
    out=fopen("royfloyd.out","w");
    int i,j,k,n,m;
    fscanf(in,"%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            fscanf(in,"%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[k][j]<d[i][j] || !d[i][j]) && d[i][k] && d[k][j] && i!=j)
                    d[i][j]=d[i][k]+d[k][j];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fprintf(out,"%d ",d[i][j]);
        fprintf(out,"\n");
    }
    return 0;
}