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답안 #799513

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
799513 2023-07-31T15:30:26 Z QwertyPi 비스킷 담기 (IOI20_biscuits) C++14
100 / 100
 92 ms 1332 KB 
#include "biscuits.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXK = 60;
vector<long long> s;
map<pair<long long, long long>, long long> M;
long long f(long long k, long long v){
	if(M.count({k, v})) return M[{k, v}];
	if(k == 0){
		return M[{k, v}] = v > 0 ? 2 : 1;
	}else{
		long long res = 0;
		if(v >= (1LL << k)) res += f(k - 1, min(v - (1LL << k), s[k - 1]));
		res += f(k - 1, min(v, s[k - 1]));
		return M[{k, v}] = res;
	}
}

long long count_tastiness(long long x, vector<long long> a) {
	M.clear();
	a.resize(MAXK); s.resize(MAXK); vector<long long> pw2(MAXK);
	pw2[0] = 1; for(int i = 1; i < MAXK; i++) pw2[i] = pw2[i - 1] * 2;
	s[0] = a[0]; for(int i = 1; i < MAXK; i++) s[i] = s[i - 1] + a[i] * pw2[i];
	for(int i = 0; i < MAXK; i++) s[i] = min((1LL << (i + 1)) - 1, s[i] / x);
	long long ans = f(MAXK - 1, s[MAXK - 1]);
	return ans;
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 2 ms 296 KB Output is correct
13 Correct 1 ms 340 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 340 KB Output is correct
2 Correct 33 ms 724 KB Output is correct
3 Correct 36 ms 840 KB Output is correct
4 Correct 30 ms 840 KB Output is correct
5 Correct 29 ms 844 KB Output is correct
6 Correct 37 ms 724 KB Output is correct
7 Correct 37 ms 724 KB Output is correct
8 Correct 34 ms 724 KB Output is correct
9 Correct 34 ms 836 KB Output is correct
10 Correct 20 ms 836 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 304 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 2 ms 296 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 7 ms 340 KB Output is correct
38 Correct 33 ms 724 KB Output is correct
39 Correct 36 ms 840 KB Output is correct
40 Correct 30 ms 840 KB Output is correct
41 Correct 29 ms 844 KB Output is correct
42 Correct 37 ms 724 KB Output is correct
43 Correct 37 ms 724 KB Output is correct
44 Correct 34 ms 724 KB Output is correct
45 Correct 34 ms 836 KB Output is correct
46 Correct 20 ms 836 KB Output is correct
47 Correct 7 ms 340 KB Output is correct
48 Correct 15 ms 1332 KB Output is correct
49 Correct 12 ms 416 KB Output is correct
50 Correct 14 ms 1100 KB Output is correct
51 Correct 9 ms 1236 KB Output is correct
52 Correct 4 ms 340 KB Output is correct
53 Correct 7 ms 1088 KB Output is correct
54 Correct 92 ms 1188 KB Output is correct
55 Correct 86 ms 1204 KB Output is correct
56 Correct 78 ms 1236 KB Output is correct
57 Correct 71 ms 1236 KB Output is correct