제출 #805234

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
805234		PixelCat	비스킷 담기 (IOI20_biscuits)	C++14	9 / 100	1081 ms	189908 KiB

biscuits

#include "biscuits.h"

#ifdef NYAOWO
#include "grader.cpp"
#endif

#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i, a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define eb emplace_back
#define int LL
using namespace std;
using i32 = int32_t;
using LL = long long;
using pii = pair<int, int>;

const int MAXK = 60;

int a[MAXK + 10];

long long count_tastiness(long long x, std::vector<long long> _a) {
    memset(a, 0, sizeof(a));
    int k = sz(_a);
    For(i, 0, k - 1) {
        a[i] = _a[i];
    }
    int ans = 0;
    priority_queue<int, vector<int>, greater<int>> pq;
    pq.emplace(0);
    int cnt = 0;
    while(sz(pq)) {
        cnt++;
        assert(cnt <= 300'000);
        int owo = pq.top(); pq.pop();
        int hibit = k;
        while(hibit >= 0 && (1ll << hibit) > owo) hibit--;
        int cur = 0;
        For(i, 0, k - 1) {
            cur = cur / 2 + a[i];
            if(owo & (1ll << i)) cur -= x;
            if(i > hibit && cur >= x) {
                pq.emplace(owo | (1ll << i));
            }
        }
        cur /= 2;
        cur /= x;
        // cerr << owo << " " << cur << "\n";
        ans += cur + 1;
    }
    // cerr << "\n";
    return ans;
}

• Subtask 1: 9 / 9
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• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23