#include <cstdio>

using namespace std;

FILE *in = fopen("royfloyd.in","r");
FILE *out = fopen("royfloyd.out","w");

int n,a[105][105];

int main()
{
    fscanf(in,"%d",&n);
    for(int i=1;i <= n; i++)
            for(int j=1; j <= n;j++)
                fscanf(in,"%d",&a[i][j]);
    for(int k=1; k <= n; k++)
        for(int i=1; i <= n; i++)
            for(int j=1; j <= n;j++)
                if((a[i][j] > a[i][k] + a[k][j] || a[i][j]==0) && i!=j && a[i][k] && a[k][j])
                        a[i][j] = a[i][k] + a[k][j];
    for(int i=1; i <= n; i++)
            {
                for(int j=1; j <= n;j++)
                    fprintf(out,"%d ",a[i][j]);
                fprintf(out,"\n");
            }
    return 0;
}