Submission #1214353

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214353		thangdz2k7	Packing Biscuits (IOI20_biscuits)	C++20	42 / 100	1096 ms	21384 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>

using namespace std;

long long count_tastiness(long long x, vector <long long> a){
    int k = a.size();
    while (k < 60){
        k ++;
        a.push_back(0);
    }

    unordered_map <long long, long long> dp;
    dp[0] = 1;
    for (int i = 0; i < k; ++ i){
        unordered_map <long long, long long> new_dp;
        for (auto tmp : dp){
            for (long long choose : {0ll, x}) if (tmp.first + a[i] >= choose){
                long long remains = (tmp.first + a[i] - choose) / 2;
                new_dp[remains] += tmp.second;
            }
        }

        swap(dp, new_dp);
    }

    long long ans = 0;
    for (auto tmp : dp) ans += tmp.second;

    return ans;
}

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