oj.uz

답안 #534324

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
534324 2022-03-08T04:41:38 Z benson1029 비스킷 담기 (IOI20_biscuits) C++14
100 / 100
 39 ms 1320 KB 
#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;

int k;
long long X;
vector<long long> pref;
long long ans[65];

int logb2(long long x) {
	int cnt = 0;
	while(x>1) {
		cnt++;
		x/=2;
	}
	return cnt;
}

long long findans(long long x) {
	if(x<=0) {
		return 0;
	}
	if(x==1) {
		return 1;
	}
	int LOG = logb2(x-1);
	int LOG1 = logb2(x);
	if(LOG != LOG1 && ans[LOG1]!=-1) {
		return ans[LOG1];
	}
	long long v = findans(1LL<<LOG) + findans(min(x, 1+pref[LOG]/X) - (1LL<<LOG));
	if(LOG != LOG1) {
		ans[LOG1] = v;
	}
	return v;
}

long long count_tastiness(long long x, std::vector<long long> a) {
	k = a.size(); X = x;
	pref.resize(61); a.resize(61);
	for(int i=0; i<=61; i++) ans[i] = -1;
	for(int i=k; i<61; i++) {
		a[i] = 0;
	}
	for(int i=0; i<61; i++) {
		pref[i] = (1LL<<i) * a[i];
		if(i) pref[i] += pref[i-1];
	}
	return findans(1LL<<61);
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 284 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 1 ms 292 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 276 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 292 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 332 KB Output is correct
2 Correct 16 ms 716 KB Output is correct
3 Correct 16 ms 1100 KB Output is correct
4 Correct 17 ms 1100 KB Output is correct
5 Correct 18 ms 1164 KB Output is correct
6 Correct 14 ms 1072 KB Output is correct
7 Correct 16 ms 1152 KB Output is correct
8 Correct 13 ms 1072 KB Output is correct
9 Correct 14 ms 1064 KB Output is correct
10 Correct 14 ms 1100 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 284 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 1 ms 292 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 276 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 292 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 300 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 292 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 292 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 5 ms 332 KB Output is correct
38 Correct 16 ms 716 KB Output is correct
39 Correct 16 ms 1100 KB Output is correct
40 Correct 17 ms 1100 KB Output is correct
41 Correct 18 ms 1164 KB Output is correct
42 Correct 14 ms 1072 KB Output is correct
43 Correct 16 ms 1152 KB Output is correct
44 Correct 13 ms 1072 KB Output is correct
45 Correct 14 ms 1064 KB Output is correct
46 Correct 14 ms 1100 KB Output is correct
47 Correct 6 ms 400 KB Output is correct
48 Correct 17 ms 1204 KB Output is correct
49 Correct 8 ms 372 KB Output is correct
50 Correct 15 ms 1096 KB Output is correct
51 Correct 11 ms 1320 KB Output is correct
52 Correct 5 ms 412 KB Output is correct
53 Correct 10 ms 1084 KB Output is correct
54 Correct 39 ms 1144 KB Output is correct
55 Correct 32 ms 1176 KB Output is correct
56 Correct 27 ms 1188 KB Output is correct
57 Correct 23 ms 1216 KB Output is correct