#include<stdio.h>

int v[102][102];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n,i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            scanf("%d",&v[i][j]);

    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(v[i][k] && v[k][j] && i!=j && (v[i][j]==0 || v[i][k]+v[k][j]<v[i][j]))
                    v[i][j]=v[i][k]+v[k][j];


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

    return 0;
}