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