Submission #1227919

#	Time	Username	Problem	Language	Result	Execution time	Memory
1227919		omsincoconut	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	1093 ms	416 KiB

biscuits

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll count_tastiness(ll x, vector<ll> a) {
    while (a.size() < 30) a.push_back(0);

    // for (ll i = 0; i < a.size()-1; i++) {
    //     if (a[i] > x) {
    //         a[i+1] += (a[i]-x)>>1;
    //         a[i] = x;
    //     }
    // }

    ll cnt = 0;
    for (ll i = 0; i <= 2e5; i++) {
        bool pass = true;
        ll cur = 0;
        for (ll j = 0; j < a.size(); j++) {
            cur += a[j]*(1LL<<j);
            if (i&(1LL<<j)) cur -= x*(1LL<<j);
            pass &= (cur >= 0);
        }
        cnt += pass;
    }
    return cnt;
}

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