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#include <iostream>
#include <fstream>
using namespace std;
int a[1000][1000],N,i,j,k;
int main()
{
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
f>>N;
for(i=1;i<=N;i++)
for(j=1;j<=N;j++)
f>>a[i][j];
for(k=1;k<=N;k++)
for(i=1;i<=N;i++)
for(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(i=1;i<=N;i++)
{for(j=1;j<=N;j++)
g<<a[i][j]<< " ";
g<<endl;
}
}