#include <cstdio>
#include<vector>
using namespace std;

int a[101][101];
int main()
{
    FILE *f,*g;
    f=fopen("royfloyd.in","r");
    g=fopen("royfloyd.out","w");
    int n,i,k,j;
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fscanf(f,"%d",&a[i][j]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(i!=j)
                    if(a[i][k]*a[k][j] && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]) )
                        a[i][j]=a[i][k]+a[k][j];

    for(i=1;i<=n;i++,fprintf(g,"\n"))
    for(j=1;j<=n;j++)
    fprintf(g,"%d ",a[i][j]);
    fclose(f);
    fclose(g);
    return 0;
}