Submission #98347

#	Time	Username	Problem	Language	Result	Execution time	Memory
98347		dalgerok	Kralj (COCI16_kralj)	C++17	140 / 140	1083 ms	55112 KiB

kralj

#include<bits/stdc++.h>
using namespace std;


const int N = 5e5 + 5;



int n, a[N], p[N], v[N], pref[N];
vector < int > g[N];
multiset < int > q;


int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    for(int i = 1; i <= n; i++){
        cin >> p[i];
    }
    for(int i = 1; i <= n; i++){
        cin >> v[i];
        pref[a[i]] += 1;
        g[a[i]].push_back(v[i]);
    }
    pair < int, int > mn = make_pair(N, N);
    for(int i = 1; i <= n; i++){
        pref[i] += pref[i - 1];
        mn = min(mn, make_pair(pref[i] - i, i));
    }
    int pos = mn.second;
    if(pos == n){
        pos = 1;
    }
    else{
        pos += 1;
    }
    int ans = 0;
    for(int i = pos, j = 1; j <= n; i = (i == n ? 1 : i + 1), j++){
        for(auto it : g[i]){
            q.insert(it);
        }
        auto it = q.upper_bound(p[i]);
        if(it == q.end()){
            q.erase(q.begin());
        }
        else{
            q.erase(it);
            ans += 1;
        }
    }
    cout << ans;
}

• Subtask 1: 140 / 140