| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1159230 | timoni | The Potion of Great Power (CEOI20_potion) | C++20 | 0 ms | 0 KiB |
// made by Tima
// 2025 will be a golden year...
//BREAK YOUR LIMITS!!!!
#include "bits/stdc++.h"
#include <ext/pb_ds/assoc_container.hpp>
#define ll long long
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define int long long
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
#define pii pair<int,int>
#define tpii pair <pair <int,int> , int>
using namespace std;
using namespace __gnu_pbds;
const int N = 3e5 + 5;
int mod = 1e9 + 7;
const int INF = 1e18;
int n,d,a[N],b[N],h[N],u;
vector <int> g[N];
map <pii,int> mp;
void init(int nn , int D , int H[]){
for(int i = 0 ; i <= nn ; i++) g[i].clear();
n = nn , d = D;
for(int i = 0 ; i < nn ; i++){
h[i] = H[i];
}
}
void curseChanges(int U, int A[], int B[]){
u = U;
for(int i = 0 ; i < U ; i++){
a[i] = A[i] , b[i] = B[i];
}
}
int question(int X, int Y, int V){
mp.clear();
int x = X , y = Y;
set <int> st1 , st2;
for(int i = 0 ; i < V ; i++){
mp[{min(a[i] , b[i]) , max(a[i] , b[i])}] ^= 1;
if(mp[{min(a[i] , b[i]) , max(a[i] , b[i])}]){
if(a[i] == X){
st1.insert(b[i]);
}
if(a[i] == Y){
st2.insert(b[i]);
}
if(b[i] == X){
st1.insert(a[i]);
}
if(b[i] == Y){
st2.insert(a[i]);
}
}
else{
if(a[i] == X){
st1.erase(b[i]);
}
if(a[i] == Y){
st2.erase(b[i]);
}
if(b[i] == X){
st1.erase(a[i]);
}
if(b[i] == Y){
st2.erase(a[i]);
}
}
}
int ans = 1e9;
for(auto it : st1){
for(auto ti : st2){
// cout << it << ' ' << ti << '\n';
ans = min(abs(h[it] - h[ti]) , ans);
}
}
return ans;
}
// signed main() {
// int N, D, U, Q;
// std::ios::sync_with_stdio(false); std::cin.tie(NULL);
// std::cin >> N >> D >> U >> Q;
//
// int *F = new int[N];
// for (int i=0; i<N; i++)
// std::cin >> F[i];
// init(N, D, F);
//
// int *A = new int[U], *B = new int[U];
// for (int i=0; i<U; i++) {
// std::cin >> A[i] >> B[i];
// }
// curseChanges(U, A, B);
//
// bool correct = true;
// for (int i=0; i<Q; i++) {
// int X,Y,V,CorrectAnswer;
// std::cin >> X >> Y >> V >> CorrectAnswer;
// int YourAnswer = question(X,Y,V);
// // cout << X << ' ' << Y << ' ' << V << '\n';
// if (YourAnswer != CorrectAnswer) {
// std::cout << "WA! Question: " << i << '\n'
// << "(X=" << X << ", Y=" << Y << ", V=" << V << ") \n"
// << "Your ans: " << YourAnswer << '\n'
// << "Correct Ans: " << CorrectAnswer << std::endl;
// correct = false;
// } else {
// std::cerr << YourAnswer << " - OK" << std::endl;
// }
// }
//
// if (correct) {
// std::cout << "Correct." << std::endl;
// } else std::cout << "Incorrect." << std::endl;
// return 0;
// }