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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[101][101];
int n;
int main()
{
fin>>n;
for(int i=1; i<=n; ++i)
{
for(int j=1; j<=n; ++j) fin>>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][k]+a[k][j] || !a[i][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) fout<<a[i][j]<<" ";
fout<<"\n";
}
return 0;
}