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#include <iostream>
#include <fstream>
using namespace std;
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int main()
{
int n,a[100][100];
f>>n;
for(int i=0;i<n;++i)
for(int j=0;j<n;++j)
f>>a[i][j];
for(int k=0;k<n;++k)
for(int i=0;i<n;++i)
for(int j=0;j<n;++j)
if(i!=j && a[i][k] && a[k][j] && (a[i][k]+a[k][j]<a[i][j] || !a[i][j]))
a[i][j]=a[i][k]+a[k][j];
for(int i=0;i<n;++i)
{
for(int j=0;j<n;++j)
g<<a[i][j]<<' ';
g<<'\n';
}
return 0;
}