Submission #306808

#	Time	Username	Problem	Language	Result	Execution time	Memory
306808		VEGAnn	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	2 ms	512 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
using namespace std;
typedef long long ll;
vector<ll> b;
ll ans, glob_x;

void rec(int ps){
    if (ps == sz(b)){
        ans++;
        return;
    }

    ll mem = (b[ps]) / 2;

    if (ps + 1 < sz(b)) {
        b[ps + 1] += mem;
    }

    rec(ps + 1);

    if (ps + 1 < sz(b)){
        b[ps + 1] -= mem;
    }

    if (b[ps] >= glob_x) {
        mem = (b[ps] - glob_x) / 2;

        if (ps + 1 < sz(b)) {
            b[ps + 1] += mem;
        }

        rec(ps + 1);

        if (ps + 1 < sz(b)){
            b[ps + 1] -= mem;
        }
    }
}

long long count_tastiness(long long x, std::vector<long long> a) {
    glob_x = x;

    b = a;

    ans = 0;

    rec(0);

	return ans;
}

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