#include<stdio.h>
#include<iostream>
int n, a[105][105];

int main()
{
    //freopen("input.in","r",stdin);
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    scanf("%d",&n);

    for (int i=1;i<=n;++i)
        for (int j=1;j<=n;++j)
            scanf("%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(i==j || !a[i][k] || !a[k][j])
                    continue;

                else if(a[i][j] && a[i][j]<=a[i][k]+a[k][j])
                    continue;

                else
                    a[i][j] = a[i][k] + a[k][j];
            }

        for (int i=1;i<=n;++i)
        {
            for (int j=1;j<=n;++j)
                printf("%d ",a[i][j]);
            printf("\n");
        }
    return 0;
}