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#include<bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
#define cin fin
#define cout fout
#define N 1030
int n, m, nr, v[N], w[N], s[N], d[N][N];
int main()
{
cin >> n;
for(int i = 1 ; i <= n ; i++)
{
for(int j = 1 ; j <= n ; j++)
{
cin >> a[i][j];
}
}
for(int k = 1 ; k <= n ; ++k)
{
for(int i = 1 ; i <= n ; ++i)
{
for(int j = 1 ; j <= n ; ++j)
{
if(a[i][k] && a[k][j] && (!a[i][j] || a[i][j] > a[i][k]+a[k][j]) && i != j)
{
a[i][j] = a[i][k] + a[k][j];
}
}
}
}
for(int i = 1 ; i <= n ; i++)
{
for(int j = 1 ; j <= n ; j++)
{
cout << a[i][j] << " " ;
}
cout << '\n';
}
return 0;
}