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#include <iostream>
#include <fstream>
using namespace std;
int main()
{
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101],i,j,k,n;
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][k] && a[k][j] && ( a[i][j] > a[i][k]+a[k][j] || (a[i][j]==0 && i!=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<<'\n';
}
return 0;
}