Submission #306130

#	Time	Username	Problem	Language	Result	Execution time	Memory
306130		SorahISA	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	1093 ms	384 KiB

biscuits

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

#define int long long
using pii = pair<int, int>;
template<typename T>
using Prior = priority_queue<T>;
template<typename T>
using prior = priority_queue<T, vector<T>, greater<T>>;

#define X first
#define Y second
#define ALL(x) (x).begin(), (x).end()
#define eb emplace_back
#define pb push_back

int count_tastiness(int x, vector<int> a) {
    int k = a.size();
    int ans = 1, sum = 0;
    
    for (int i = 0; i < k; ++i) sum += a[i] << i;
    for (int i = 1; i <= sum/x; ++i) {
        vector<int> cp = a;
        int cnt = 0;
        for (int j = 0; j < x; ++j) {
            for (int l = k-1, v = i; l >= 0; --l) {
                if ((v >> l) and cp[l]) {
                    if ((v >> l) >= cp[l]) v -= cp[l] << l, cp[l] = 0;
                    else v -= (v >> l) << l, cp[l] -= v >> l;
                }
                if (v == 0) {++cnt; break;}
            }
        }
        ans += cnt == x;
    }
    
    return ans;
}

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