#include<stdio.h>
#define OVER9000 9001
int a[128][128];
int min(int x,int y)
{
    if(x>y)
        return y;
    return x;
}
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n,i,j,k,x;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            scanf("%d",&x);
            if (x==0)
                a[i][j]=OVER9000;
            else
                a[i][j]=x;
        }
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            for(k=1;k<=n;k++)
                if(i!=j)
                    a[i][j]=min(a[i][j],a[k][j]+a[i][k]);
    for(i=1;i<=n;i++)
    {
        if(a[i][1]==OVER9000)
            printf("0");
        else
            printf("%d",a[i][1]);
        for(j=2;j<=n;j++)
        {
            if(a[i][j]==OVER9000)
                printf(" 0");
            else
                printf(" %d",a[i][j]);
        }
        printf("\n");
    }
    return 0;
}