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