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#include <bits/stdc++.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
const int N=105;
int a[N][N];
int main()
{
int n;
in>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
in>>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(i!=j && (a[i][j] > a[i][k]+a[k][j] || !a[i][j]) && a[i][k] && a[k][j])
a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
out<<a[i][j]<<' ';
out<<'\n';
}
return 0;
}