제출 #602189

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
602189		Theo830	The Potion of Great Power (CEOI20_potion)	C++17	17 / 100	3064 ms	262144 KiB

potion

#include <bits/stdc++.h>
using namespace std;
typedef int ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ii,ll>
#define ull unsigned ll
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
const ll m = (200000 / 50) + 5;
ll n,h[100005];
set<ll>exo[100005][50];
vector<ii>ar;
void init(int N, int D, int H[]){
    n = N;
    f(i,0,n){
        h[i] = H[i];
    }
}
void curseChanges(int U, int A[], int B[]) {
    ll u = U;
    set<ll>cur[n];
    f(i,0,u){
        ll a = A[i],b = B[i];
        ar.pb({a,b});
        if(!cur[a].count(b)){
            cur[a].insert(b);
            cur[b].insert(a);
        }
        else{
            cur[a].erase(b);
            cur[b].erase(a);
        }
        if((i + 1) % m == 0){
            f(j,0,n){
                exo[j][(i + 1) / m] = cur[j];
            }
        }
    }
}
int question(int x, int y, int v) {
    ll ans = 1e9;
    ll cur = (v / m) * m;
    set<ll>ex[2];
    vector<ii>kame;
    ex[0] = exo[x][cur / m];
    ex[1] = exo[y][cur / m];
    while(cur != v){
        if(ar[cur].F == x){
            if(ex[0].count(ar[cur].S)){
                ex[0].erase(ar[cur].S);
            }
            else{
                ex[0].insert(ar[cur].S);
            }
        }
        if(ar[cur].S == x){
            if(ex[0].count(ar[cur].F)){
                ex[0].erase(ar[cur].F);
            }
            else{
                ex[0].insert(ar[cur].F);
            }
        }
        if(ar[cur].F == y){
            if(ex[1].count(ar[cur].S)){
                ex[1].erase(ar[cur].S);
            }
            else{
                ex[1].insert(ar[cur].S);
            }
        }
        if(ar[cur].S == y){
            if(ex[1].count(ar[cur].F)){
                ex[1].erase(ar[cur].F);
            }
            else{
                ex[1].insert(ar[cur].F);
            }
        }
        cur++;
    }
    f(i,0,2){
        for(auto x:ex[i]){
            kame.pb(ii(h[x],i));
        }
    }
    sort(all(kame));
    f(i,0,(ll)kame.size()-1){
        if(kame[i].S != kame[i+1].S){
            ans = min(ans,kame[i+1].F - kame[i].F);
        }
    }
    return ans;
}

• Subtask 1: 0 / 0
• Subtask 2: 17 / 17
• Subtask 3: 0 / 14
• Subtask 4: 0 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 30