OJ Board

It could be because you initialize the Union Find Disjoint Set from 0 to n-1, but then the nodes are index from 1 to n.

Thank you so much lighted, it was just a ".y" where I should put ".z" hahaha

Hi everybody! I've been trying to solve this problem, and I think I tried all possible inputs, and still WA. I've test it with another AC code on the internet, and all test cases (I thought) had exactly the same output. If someone has some other test to try, would be great.
My code is a bit long ...

Can't this be solve with ternary search? I've made it in that way, and all the test cases I've proved pass perfectly. Anyway, I'm getting WA over and over. Here's my code:

#include <bits/stdc++.h>
#define EPS 1e-9
using namespace std;

double l, w;

double f (double x) {
return x*(l-x-x)*(w-x-x ...

Hi! I have a problem with the code in the input part.


#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <string>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <iterator>
#include ...

According to the image, means that the tube belonging to axis z, if fits the following position:

\
\
\
\


I understood what you wanted to say, but the problem is that you have to think in 3D. The test case for what you wanted to draw is:
3
+z +y

And the answer is +z, but the image is ...