제출 #1240355

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1240355		Ghulam_Junaid	비스킷 담기 (IOI20_biscuits)	C++20	9 / 100	1095 ms	328 KiB

biscuits

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

typedef long long ll;

ll count_tastiness(ll x, vector<ll> a){
    ll k = a.size();
    ll ans = 1, sm = 0;
    for (ll i = 0; i < k; i ++)
        sm += a[i] * (1ll << i);

    vector<ll> cpy = a;
    for (ll y = 1; x * y <= sm; y ++){
        a = cpy;
        bool good = 1;
        for (ll it = 0; it < x; it ++){
            ll cur = y;
            for (ll i = k - 1; i >= 0; i --){
                if (cur >= (1ll << i) and a[i]){
                    ll quo = cur / (1ll << i);
                    quo = min(quo, a[i]);
                    a[i] -= quo;
                    cur -= quo * (1ll << i);
                }
            }
            good &= (cur == 0);
            if (!good) break;
        }

        ans += good;
    }

	return ans;
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23