제출 #433055

#제출 시각아이디문제언어결과실행 시간메모리
433055peuch비스킷 담기 (IOI20_biscuits)C++17
9 / 100
653 ms4332 KiB
#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

vector<map<long long, long long> > dp;
vector<int> v(60);
long long X;

long long getDP(int bit, long long cnt){
	cnt += v[bit];
	if(bit == 60) return 1;
	if(dp[bit][cnt] != 0) return dp[bit][cnt];
	dp[bit][cnt] = getDP(bit + 1, cnt / 2);
	if(cnt >= X) dp[bit][cnt] += getDP(bit + 1, (cnt - X) / 2);
//	printf("dp[%d][%lld] = %d\n", bit, cnt, dp[bit][cnt]);
	return dp[bit][cnt];
}

long long count_tastiness(long long x, vector<long long> a) {
	X = x;
	v = vector<int> (60, 0);
	dp = vector<map<long long, long long> > (60);
	for(int i = 0; i < a.size(); i++)
		v[i] = a[i];
	return getDP(0, 0);
}

컴파일 시 표준 에러 (stderr) 메시지

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:23:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for(int i = 0; i < a.size(); i++)
      |                 ~~^~~~~~~~~~
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