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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[100][100];
int main()
{
f>>n;
for(int i=0;i<n;++i)for(int j=0;j<n;++j)f>>a[i][j];
for(int k=1;k<n;++k)for(int i=0;i<n;++i)for(int j=0;j<n;++j)a[i][j]=min(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';}
}