답안 #1113400

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1113400	2024-11-16T14:13:01 Z	vjudge1	Snake Escaping (JOI18_snake_escaping)	C++17	75 / 100	2000 ms	23384 KB

snake_escaping

#include <bits/stdc++.h>
#pragma GCC target("popcnt")
#define ll long long
#define pii pair<int, int>
using namespace std;

const int N = 20, SPLIT = 6;

int n, q, mask[1<<N];
string vals;

int dp[2][1<<N];

int main()
{
	ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin >> n >> q >> vals;
	for (int i = 0; i < (1<<n); i++)
		mask[i] = vals[i] - '0';
	for (int i = 0; i <= n; i++) {
		for (int msk = 0; msk < (1<<n); msk++) {
			if(!i){
				dp[0][msk] = mask[msk];
				dp[1][msk] = mask[msk];
				continue;
			}
			if (msk & (1 << (i-1)))
				dp[0][msk] += dp[0][msk ^ (1 << (i-1))];
			else
				dp[1][msk] += dp[1][msk ^ (1 << (i-1))];
		}
		
	}
	
	while (q--) {
		string b;
		cin >> b;
		int c_marks=0, cc[2]={};
		for (char c : b)
			if (c == '?')
				c_marks++;
			else
				cc[c-'0']++;
		
		
		if (false && c_marks <= SPLIT) {
			int init = 0;
			int marks = 0;
			for (int i = 0; i < n; i++)
				if (b[i] == '1')
					init |= (1 << (n-i-1));
				else if (b[i] == '?')
					marks |= (1 << (n-i-1));
			
			int ans = 0;
			for (int msk = marks; msk >= 0; msk = (msk-1)&marks) {
				ans += mask[init | msk];	
				if (msk == 0) break;
			}
			cout << ans << '\n';
			continue;
		}
		
		int x = (cc[1] <= SPLIT ? 0 : 1);
		
		int init = 0;
		int marks = 0;
		for (int i = 0; i < n; i++) {	
			if (b[i] == '?' && x == 0)
				init |= (1 << (n-i-1));
			
			if (b[i] == '1' && x == 1)
				init |= (1 << (n-i-1));
				
			if (x == 0 && b[i] == '1')
				marks |= (1 << (n-i-1));
				
			if (x == 1 && b[i] == '0')
				marks |= (1 << (n-i-1));
		}
			
		int ans = 0;
		for (int msk = marks; msk >= 0; msk = (msk-1)&marks) {
			if (__builtin_popcount(msk)%2 == cc[x] % 2)
				ans += dp[x][init | msk];
			else
				ans -= dp[x][init | msk];
			if (msk == 0) break;
		}
		
		cout << abs(ans) << '\n';
	}
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	2 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	2 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	2 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	2 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct
11	Correct	209 ms	8520 KB	Output is correct
12	Correct	217 ms	8008 KB	Output is correct
13	Correct	188 ms	7500 KB	Output is correct
14	Correct	184 ms	7496 KB	Output is correct
15	Correct	179 ms	8444 KB	Output is correct
16	Correct	234 ms	7752 KB	Output is correct
17	Correct	235 ms	7748 KB	Output is correct
18	Correct	115 ms	9544 KB	Output is correct
19	Correct	191 ms	6480 KB	Output is correct
20	Correct	200 ms	8008 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	2 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	2 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct
11	Correct	209 ms	8520 KB	Output is correct
12	Correct	217 ms	8008 KB	Output is correct
13	Correct	188 ms	7500 KB	Output is correct
14	Correct	184 ms	7496 KB	Output is correct
15	Correct	179 ms	8444 KB	Output is correct
16	Correct	234 ms	7752 KB	Output is correct
17	Correct	235 ms	7748 KB	Output is correct
18	Correct	115 ms	9544 KB	Output is correct
19	Correct	191 ms	6480 KB	Output is correct
20	Correct	200 ms	8008 KB	Output is correct
21	Correct	300 ms	8520 KB	Output is correct
22	Correct	256 ms	8784 KB	Output is correct
23	Correct	256 ms	7600 KB	Output is correct
24	Correct	243 ms	7496 KB	Output is correct
25	Correct	256 ms	9412 KB	Output is correct
26	Correct	284 ms	8008 KB	Output is correct
27	Correct	286 ms	8008 KB	Output is correct
28	Correct	122 ms	10580 KB	Output is correct
29	Correct	268 ms	6472 KB	Output is correct
30	Correct	267 ms	8824 KB	Output is correct
31	Correct	278 ms	8528 KB	Output is correct
32	Correct	269 ms	8520 KB	Output is correct
33	Correct	206 ms	7408 KB	Output is correct
34	Correct	264 ms	7608 KB	Output is correct
35	Correct	292 ms	8008 KB	Output is correct
36	Correct	120 ms	6472 KB	Output is correct
37	Correct	191 ms	8520 KB	Output is correct
38	Correct	241 ms	6480 KB	Output is correct
39	Correct	327 ms	7732 KB	Output is correct
40	Correct	277 ms	7496 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	2 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	2 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct
11	Correct	40 ms	15092 KB	Output is correct
12	Correct	49 ms	15104 KB	Output is correct
13	Correct	70 ms	15080 KB	Output is correct
14	Correct	54 ms	15092 KB	Output is correct
15	Correct	54 ms	15080 KB	Output is correct
16	Correct	49 ms	15084 KB	Output is correct
17	Correct	49 ms	15080 KB	Output is correct
18	Correct	32 ms	15084 KB	Output is correct
19	Correct	147 ms	14944 KB	Output is correct
20	Correct	45 ms	14940 KB	Output is correct
21	Correct	42 ms	14960 KB	Output is correct
22	Correct	58 ms	14940 KB	Output is correct
23	Correct	46 ms	15088 KB	Output is correct
24	Correct	54 ms	15096 KB	Output is correct
25	Correct	61 ms	15080 KB	Output is correct
26	Correct	38 ms	14836 KB	Output is correct
27	Correct	39 ms	15112 KB	Output is correct
28	Correct	217 ms	14836 KB	Output is correct
29	Correct	46 ms	15088 KB	Output is correct
30	Correct	57 ms	14960 KB	Output is correct
31	Correct	46 ms	15080 KB	Output is correct
32	Correct	49 ms	15080 KB	Output is correct
33	Correct	64 ms	14944 KB	Output is correct
34	Correct	34 ms	14836 KB	Output is correct
35	Correct	56 ms	15064 KB	Output is correct
36	Correct	56 ms	15084 KB	Output is correct
37	Correct	63 ms	15084 KB	Output is correct
38	Correct	65 ms	15084 KB	Output is correct
39	Correct	53 ms	15084 KB	Output is correct
40	Correct	58 ms	15092 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	2 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	2 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct
11	Correct	209 ms	8520 KB	Output is correct
12	Correct	217 ms	8008 KB	Output is correct
13	Correct	188 ms	7500 KB	Output is correct
14	Correct	184 ms	7496 KB	Output is correct
15	Correct	179 ms	8444 KB	Output is correct
16	Correct	234 ms	7752 KB	Output is correct
17	Correct	235 ms	7748 KB	Output is correct
18	Correct	115 ms	9544 KB	Output is correct
19	Correct	191 ms	6480 KB	Output is correct
20	Correct	200 ms	8008 KB	Output is correct
21	Correct	300 ms	8520 KB	Output is correct
22	Correct	256 ms	8784 KB	Output is correct
23	Correct	256 ms	7600 KB	Output is correct
24	Correct	243 ms	7496 KB	Output is correct
25	Correct	256 ms	9412 KB	Output is correct
26	Correct	284 ms	8008 KB	Output is correct
27	Correct	286 ms	8008 KB	Output is correct
28	Correct	122 ms	10580 KB	Output is correct
29	Correct	268 ms	6472 KB	Output is correct
30	Correct	267 ms	8824 KB	Output is correct
31	Correct	278 ms	8528 KB	Output is correct
32	Correct	269 ms	8520 KB	Output is correct
33	Correct	206 ms	7408 KB	Output is correct
34	Correct	264 ms	7608 KB	Output is correct
35	Correct	292 ms	8008 KB	Output is correct
36	Correct	120 ms	6472 KB	Output is correct
37	Correct	191 ms	8520 KB	Output is correct
38	Correct	241 ms	6480 KB	Output is correct
39	Correct	327 ms	7732 KB	Output is correct
40	Correct	277 ms	7496 KB	Output is correct
41	Correct	40 ms	15092 KB	Output is correct
42	Correct	49 ms	15104 KB	Output is correct
43	Correct	70 ms	15080 KB	Output is correct
44	Correct	54 ms	15092 KB	Output is correct
45	Correct	54 ms	15080 KB	Output is correct
46	Correct	49 ms	15084 KB	Output is correct
47	Correct	49 ms	15080 KB	Output is correct
48	Correct	32 ms	15084 KB	Output is correct
49	Correct	147 ms	14944 KB	Output is correct
50	Correct	45 ms	14940 KB	Output is correct
51	Correct	42 ms	14960 KB	Output is correct
52	Correct	58 ms	14940 KB	Output is correct
53	Correct	46 ms	15088 KB	Output is correct
54	Correct	54 ms	15096 KB	Output is correct
55	Correct	61 ms	15080 KB	Output is correct
56	Correct	38 ms	14836 KB	Output is correct
57	Correct	39 ms	15112 KB	Output is correct
58	Correct	217 ms	14836 KB	Output is correct
59	Correct	46 ms	15088 KB	Output is correct
60	Correct	57 ms	14960 KB	Output is correct
61	Correct	46 ms	15080 KB	Output is correct
62	Correct	49 ms	15080 KB	Output is correct
63	Correct	64 ms	14944 KB	Output is correct
64	Correct	34 ms	14836 KB	Output is correct
65	Correct	56 ms	15064 KB	Output is correct
66	Correct	56 ms	15084 KB	Output is correct
67	Correct	63 ms	15084 KB	Output is correct
68	Correct	65 ms	15084 KB	Output is correct
69	Correct	53 ms	15084 KB	Output is correct
70	Correct	58 ms	15092 KB	Output is correct
71	Correct	390 ms	19744 KB	Output is correct
72	Correct	404 ms	19944 KB	Output is correct
73	Correct	822 ms	18408 KB	Output is correct
74	Correct	543 ms	18920 KB	Output is correct
75	Correct	399 ms	20716 KB	Output is correct
76	Correct	567 ms	19176 KB	Output is correct
77	Correct	607 ms	18920 KB	Output is correct
78	Correct	179 ms	22760 KB	Output is correct
79	Execution timed out	2064 ms	23384 KB	Time limit exceeded
80	Halted	0 ms	0 KB	-

답안 #1113400

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 10.0 / 10.0

Subtask #4 53.0 / 53.0

Subtask #5 0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
10.0 / 10.0

Subtask #4
53.0 / 53.0

Subtask #5
0 / 25.0