제출 #1075217

#제출 시각아이디문제언어결과실행 시간메모리
1075217allin27x비스킷 담기 (IOI20_biscuits)C++17
0 / 100
1079 ms4968 KiB
#include <bits/stdc++.h>
using namespace std;
#include "biscuits.h"
#define int long long

long long count_tastiness(long long x, std::vector<long long> a) {
	a.resize(a.size() + 65, 0); int k = a.size();
	vector s(k,0ll);
	s[0] = a[0];
	for (int i = 1; i < k; i++) {
		s[i] = s[i - 1] + a[i] * (1<<i);
	}
	vector<int> good = {0};
	for (int i=0; i<25; i++) {
		int nw = good.size();
		assert(nw <200000);
		for (int j=0;  j<nw;  j++) {
			if ((good[j]+(1<<i)) * x <= s[i]) good.push_back(good[j] + (1<<i));
		}
	}
	return good.size();
}
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