Submission #600922

#	Time	Username	Problem	Language	Result	Execution time	Memory
600922		PiejanVDC	Packing Biscuits (IOI20_biscuits)	C++17	9 / 100	173 ms	340 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();
    long long ans = 0;
    for(int i = 1 ; i <= 100000 ; i++) {
        int cnt = x;
        if(100000 / i < x)
            break;
        vector<long long>b = a;
        int got = 0;
        while(cnt--) {
            long long need = i;
            for(int j = k-1 ; j >= 0 ; j--) {
                if((1 << j) <= need) {
                    int c = min(b[j], need / (1 << j));
                    need -= c * (1 << j);
                    b[j] -= c;
                }
            }
            if(!need)
                got++;
            else
                break;
        }
        if(got == x)
            ans++;
    }
    return ++ans;
}

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