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#include <bits/stdc++.h>
using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");
int n,a[105][105];
int main()
{
f>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j){
f>>a[i][j];
if(!a[i][j] && i!=j)a[i][j]=1000000000;
}
for(int k=1;k<=n;++k)
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
if(a[i][j]>a[i][k]+a[k][j])a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;++i){
for(int j=1;j<=n;++j)g<<a[i][j]<<' ';
g<<'\n';
}
f.close(); g.close();
return 0;
}