#include <bits/stdc++.h>

using namespace std;

#define inf 1e18
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
long long n, dp[101][101];
void royf(){
    int i,j,k;
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(i!=j && dp[i][k]!=inf && dp[k][j]!=inf && dp[i][j]>dp[i][k]+dp[k][j])
                    dp[i][j]=dp[i][k]+dp[k][j];
}

int main()
{
    int m,i,j;
    in>>n;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
        {
            in>>dp[i][j];
            if(dp[i][j]==0)
                dp[i][j]=inf;
        }
    royf();
    for(i=1;i<=n;++i){
        for(j=1;j<=n;++j)
            if(dp[i][j]==inf)
                out<<0<<" ";
            else
                out<<dp[i][j]<<" ";
        out<<'\n';
    }
    return 0;
}