#include<iostream>
#include<fstream>
#include<cstring>
#include<bits/stdc++.h>
#include<iomanip>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int gcd(int a,int b, int &x, int &y)
{
    if(b == 0)
    {
        x = 1,
        y = 0;
        return a;
    }

    int d,x0,y0;
    d = gcd(b,a%b,x0,y0);

    x = y0;
    y = x0-(a/b)*y0;

    return d;
}

void solve()
{
    int a,b,c,x,y,d;
    fin>>a>>b>>c;
    assert(-1000000000 <= a && a <= 1000000000);
    assert(-1000000000 <= b && b <= 1000000000);
    assert(-2000000000 <= c && c <= 2000000000 && c != 0);
    x = y = 0;
    d = gcd(a,b,x,y);
    if(c%d == 0)
    {
        fout<<x*(c/d)<<" "<<y*(c/d)<<'\n';
    }
    else
        fout<<"0 0"<<'\n';
}

int cmmdc(int a,int b)
{
    if(b==0)
        return a;
    return cmmdc(b,a%b);
}
	
int main()	
{
    ios::sync_with_stdio(0);
    fin.tie(0); 
    int n;
    fin>>n;
    vector<vector<int>>mat(n,vector<int>(n,0));
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<n;j++)
        {
            fin>>mat[i][j];
        }
    }

    for(int k=0;k<n;k++)
    {
        for(int i=0;i<n;i++)
        {
            for(int j=0;j<n;j++)
            {
                if(i!=j && j!=k && i!=k && mat[i][j] > mat[i][k] + mat[k][j])
                {
                    mat[i][j] = mat[i][k] + mat[k][j];
                }
            }
        }
    }

    for(int i=0;i<n;i++)
    {
        for(int j=0;j<n;j++)
        {
            fout<<mat[i][j]<<" ";
        }
        fout<<'\n';
    }
    fout.tie(0);
    fin.close();
    fout.close();
    return 0;
}