#include<cstdio>
using namespace std;
int n,i,j,k,dp[105][105];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++) scanf("%d",&dp[i][j]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(dp[i][k] && dp[k][j] && (dp[i][k]+dp[k][j]<dp[i][j] || !dp[i][j]) && i!=j) dp[i][j]=dp[i][k]+dp[k][j];
    for(i=1;i<=n;i++)
        {for(j=1;j<=n;j++) printf("%d ",dp[i][j]); printf("\n");}
    return 0;
}