#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cmath>
#include<vector>
#include<utility>
#include<cstring>
#include<map>
#include<time.h>

#define pb push_back
#define po pop_back
#define fs first
#define sc second
#define INF 100000L * 100000L * 100000L * 10000L

using namespace std;

int v[101][101],n,i,j,k;

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

    cin.sync_with_stdio(false);

    cin>>n;
    for(i=0;i<n;++i)
        for(j=0;j<n;++j)
            cin>>v[i][j];

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

    // OUT

    for(i=0;i<n;++i){
        for(j=0;j<n;++j)
            cout<<v[i][j]<<" ";
        cout<<endl;
    }

    return 0;
}