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