제출 #699808

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
699808		happypotato	비스킷 담기 (IOI20_biscuits)	C++17	9 / 100	1095 ms	340 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
vector<ll int> a;
ll int x;
ll int recur(int pos, ll int carry) {
	if (pos == 60) return 1;
	ll int cur = carry + a[pos];
	if (cur < x) {
		return recur(pos + 1, (cur >> 1));
	} else {
		return recur(pos + 1, (cur >> 1)) + recur(pos + 1, ((cur - x) >> 1));
	}
}
ll int count_tastiness(ll int x_, vector<ll int> a_) {
	a = a_; x = x_; a.resize(60);
	return recur(0, 0);
}

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