제출 #653002

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
653002	2022-10-25 11:40:26	Stickfish	Dungeon 3 (JOI21_ho_t5)	C++17	11 / 100	4051 ms	6368 KiB

Main

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#include <iostream>
#include <vector>
#include <deque>
using namespace std;
using ll = long long;
const int MAXN = 2e5 + 123;
ll eng[MAXN];
ll cost[MAXN];
ll get_ans(int l, int r, int mxeng) {
    deque<pair<ll, ll>> dq;
    ll eng_total = 0;
    ll ans = 0;
    for (int i = l; i < r; ++i) {
        while (dq.size() && dq.back().first >= cost[i]) {
            eng_total -= dq.back().second;
            dq.pop_back();
        }
        if (eng_total < mxeng)
            dq.push_back({cost[i], mxeng - eng_total});
        eng_total = mxeng;
        if (eng[i] > eng_total) {
            return -1;
        }
        ll eng_need = eng[i];
        while (eng_need > 0) {
            if (eng_need >= dq.front().second) {
                eng_need -= dq.front().second;
                ans += dq.front().first * dq.front().second;
 
 
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