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#include <bits/stdc++.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int a[101][101], n, m;
int main()
{
in>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
in>>a[i][j];
}
}
for(int z=1;z<=n;z++)
{
for(int x=1;x<=n;x++)
{
for(int y=1;y<=n;y++)
{
a[x][y]=min(a[x][y], a[x][z]+a[z][y]);
}
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
out<<a[i][j]<<" ";
}
out<<'\n';
}
}