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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++)
{
if(x!=y)
{
if(a[x][z] >0 and a[z][y] > 0)
{
if(a[x][y]==0 or a[x][y] > a[x][z] + a[z][y])
{
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';
}
}