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