#include <bits/stdc++.h>

using namespace std;

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

int n,a[102][102];

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