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