Submission #1159245

#TimeUsernameProblemLanguageResultExecution timeMemory
1159245timoniThe Potion of Great Power (CEOI20_potion)C++20
0 / 100
314 ms49772 KiB
// made by Tima
// 2025 will be a golden year...
//BREAK YOUR LIMITS!!!!
#include "bits/stdc++.h"
#define pii pair <int,int>
using namespace std;
const int N = 3e5 + 5;
const int mod = 1e9 + 7;
const int INF = 1e9;
int n,d,a[N],b[N],h[N],u;
set <int> st[N];
map <pii,int> mp;
void init(int nn , int D , int H[]){
	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;
	mp.clear();
	for(int i = 0 ; i < U ; i++){
		a[i] = A[i] , b[i] = B[i];
	}
	for(int i = 0 ; i < U ; 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])}]){
			st[a[i]].insert(b[i]);
			st[b[i]].insert(a[i]);
		}
		else{
			st[a[i]].erase(b[i]);
			st[b[i]].erase(a[i]);
		}
	}
}
int question(int X, int Y, int V){
	int x = X , y = Y;
	int ans = 1e9;
	vector <int> q1 , q2;
	for(auto it : st[x]){
		auto ti = st[y].lower_bound(it);
		if(ti != st[y].end()){
			ans = min(ans , abs(it - (*ti)));
		}
	}
	for(auto it : st[y]){
		auto ti = st[x].lower_bound(it);
		if(ti != st[x].end()){
			ans = min(ans , abs(it - (*ti)));
		}
	}
	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;
// }
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