답안 #940768

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
940768	2024-03-07T15:32:37 Z	lorenzoferrari	Snake Escaping (JOI18_snake_escaping)	C++17	100 / 100	750 ms	42212 KB

snake_escaping

#include "bits/stdc++.h"
using namespace std;
using LL = long long;

static int constexpr L = 20;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int l; cin >> l;
	int q; cin >> q;
	auto neg = [&](int mask) -> int {
		return ~mask & ((1 << l) - 1);
	};
	static int s[1 << L]{};
	for (int i = 0; i < (1 << l); ++i) {
		char c; cin >> c;
		s[i] = c - '0';
	}

	static int sos[2][1 << L]{};
	for (int i = 0; i < (1 << l); ++i) {
		sos[0][i] += s[i];
		sos[1][neg(i)] += s[i];
	}
	for (int i = 0; i < l; ++i) {
		for (int mask = 0; mask < (1 << l); ++mask) {
			if (mask & (1 << i)) {
				sos[0][mask] += sos[0][mask ^ (1 << i)];
			}
		}
	}
	for (int i = 0; i < l; ++i) {
		for (int mask = 0; mask < (1 << l); ++mask) {
			if (mask & (1 << i)) {
				sos[1][mask] += sos[1][mask ^ (1 << i)];
			}
		}
	}

	for (int i = 0; i < q; ++i) {
		string t; cin >> t;
		int zeros = 0, ones = 0, marks = 0;
		for (int j = 0; j < l; ++j) {
			if (t[j] == '0') zeros|= (1 << (l - 1 - j));
			if (t[j] == '1') ones |= (1 << (l - 1 - j));
			if (t[j] == '?') marks|= (1 << (l - 1 - j));
		}
		int c0 = __builtin_popcount(zeros);
		int c1 = __builtin_popcount(ones);
		int cm = __builtin_popcount(marks);
		int ans = 0;
		if (cm <= c0 && cm <= c1) {
			ans = s[ones];
			for (int mask = marks; mask > 0; mask = (mask - 1) & marks) {
				ans += s[ones | mask];
			}
		} else if (c1 <= c0 && c1 <= cm) {
			ans = sos[0][ones | marks];
			for (int diff = ones; diff > 0; diff = (diff - 1) & ones) {
				if (__builtin_popcount(diff) & 1) {
					ans -= sos[0][(ones ^ diff) | marks];
				} else {
					ans += sos[0][(ones ^ diff) | marks];
				}
			}
		} else {
			ans = sos[1][zeros | marks];
			for (int diff = zeros; diff > 0; diff = (diff - 1) & zeros) {
				if (__builtin_popcount(diff) & 1) {
					ans -= sos[1][(zeros ^ diff) | marks];
				} else {
					ans += sos[1][(zeros ^ diff) | marks];
				}
			}
		}
		cout << ans << "\n";
	}
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4440 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4440 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	171 ms	19280 KB	Output is correct
12	Correct	179 ms	18924 KB	Output is correct
13	Correct	201 ms	18000 KB	Output is correct
14	Correct	197 ms	18148 KB	Output is correct
15	Correct	183 ms	19260 KB	Output is correct
16	Correct	215 ms	18832 KB	Output is correct
17	Correct	216 ms	18232 KB	Output is correct
18	Correct	145 ms	20152 KB	Output is correct
19	Correct	161 ms	17236 KB	Output is correct
20	Correct	212 ms	18772 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4440 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	171 ms	19280 KB	Output is correct
12	Correct	179 ms	18924 KB	Output is correct
13	Correct	201 ms	18000 KB	Output is correct
14	Correct	197 ms	18148 KB	Output is correct
15	Correct	183 ms	19260 KB	Output is correct
16	Correct	215 ms	18832 KB	Output is correct
17	Correct	216 ms	18232 KB	Output is correct
18	Correct	145 ms	20152 KB	Output is correct
19	Correct	161 ms	17236 KB	Output is correct
20	Correct	212 ms	18772 KB	Output is correct
21	Correct	190 ms	22196 KB	Output is correct
22	Correct	203 ms	22336 KB	Output is correct
23	Correct	264 ms	21360 KB	Output is correct
24	Correct	221 ms	21080 KB	Output is correct
25	Correct	210 ms	23440 KB	Output is correct
26	Correct	243 ms	21784 KB	Output is correct
27	Correct	249 ms	21624 KB	Output is correct
28	Correct	154 ms	24216 KB	Output is correct
29	Correct	184 ms	20496 KB	Output is correct
30	Correct	201 ms	22352 KB	Output is correct
31	Correct	236 ms	22224 KB	Output is correct
32	Correct	274 ms	22232 KB	Output is correct
33	Correct	245 ms	21416 KB	Output is correct
34	Correct	241 ms	21076 KB	Output is correct
35	Correct	250 ms	21844 KB	Output is correct
36	Correct	146 ms	20052 KB	Output is correct
37	Correct	189 ms	22236 KB	Output is correct
38	Correct	198 ms	20224 KB	Output is correct
39	Correct	227 ms	21396 KB	Output is correct
40	Correct	227 ms	21052 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4440 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	59 ms	14928 KB	Output is correct
12	Correct	55 ms	14928 KB	Output is correct
13	Correct	59 ms	14780 KB	Output is correct
14	Correct	69 ms	14928 KB	Output is correct
15	Correct	56 ms	14932 KB	Output is correct
16	Correct	69 ms	14780 KB	Output is correct
17	Correct	76 ms	14908 KB	Output is correct
18	Correct	59 ms	15184 KB	Output is correct
19	Correct	56 ms	14676 KB	Output is correct
20	Correct	55 ms	15044 KB	Output is correct
21	Correct	62 ms	15036 KB	Output is correct
22	Correct	69 ms	14836 KB	Output is correct
23	Correct	55 ms	14928 KB	Output is correct
24	Correct	64 ms	14780 KB	Output is correct
25	Correct	63 ms	14936 KB	Output is correct
26	Correct	52 ms	14788 KB	Output is correct
27	Correct	56 ms	15036 KB	Output is correct
28	Correct	55 ms	14776 KB	Output is correct
29	Correct	59 ms	14908 KB	Output is correct
30	Correct	61 ms	14932 KB	Output is correct
31	Correct	61 ms	14928 KB	Output is correct
32	Correct	71 ms	14836 KB	Output is correct
33	Correct	65 ms	14788 KB	Output is correct
34	Correct	53 ms	14672 KB	Output is correct
35	Correct	66 ms	14888 KB	Output is correct
36	Correct	66 ms	14932 KB	Output is correct
37	Correct	72 ms	14776 KB	Output is correct
38	Correct	73 ms	14892 KB	Output is correct
39	Correct	64 ms	14780 KB	Output is correct
40	Correct	66 ms	14800 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4440 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	171 ms	19280 KB	Output is correct
12	Correct	179 ms	18924 KB	Output is correct
13	Correct	201 ms	18000 KB	Output is correct
14	Correct	197 ms	18148 KB	Output is correct
15	Correct	183 ms	19260 KB	Output is correct
16	Correct	215 ms	18832 KB	Output is correct
17	Correct	216 ms	18232 KB	Output is correct
18	Correct	145 ms	20152 KB	Output is correct
19	Correct	161 ms	17236 KB	Output is correct
20	Correct	212 ms	18772 KB	Output is correct
21	Correct	190 ms	22196 KB	Output is correct
22	Correct	203 ms	22336 KB	Output is correct
23	Correct	264 ms	21360 KB	Output is correct
24	Correct	221 ms	21080 KB	Output is correct
25	Correct	210 ms	23440 KB	Output is correct
26	Correct	243 ms	21784 KB	Output is correct
27	Correct	249 ms	21624 KB	Output is correct
28	Correct	154 ms	24216 KB	Output is correct
29	Correct	184 ms	20496 KB	Output is correct
30	Correct	201 ms	22352 KB	Output is correct
31	Correct	236 ms	22224 KB	Output is correct
32	Correct	274 ms	22232 KB	Output is correct
33	Correct	245 ms	21416 KB	Output is correct
34	Correct	241 ms	21076 KB	Output is correct
35	Correct	250 ms	21844 KB	Output is correct
36	Correct	146 ms	20052 KB	Output is correct
37	Correct	189 ms	22236 KB	Output is correct
38	Correct	198 ms	20224 KB	Output is correct
39	Correct	227 ms	21396 KB	Output is correct
40	Correct	227 ms	21052 KB	Output is correct
41	Correct	59 ms	14928 KB	Output is correct
42	Correct	55 ms	14928 KB	Output is correct
43	Correct	59 ms	14780 KB	Output is correct
44	Correct	69 ms	14928 KB	Output is correct
45	Correct	56 ms	14932 KB	Output is correct
46	Correct	69 ms	14780 KB	Output is correct
47	Correct	76 ms	14908 KB	Output is correct
48	Correct	59 ms	15184 KB	Output is correct
49	Correct	56 ms	14676 KB	Output is correct
50	Correct	55 ms	15044 KB	Output is correct
51	Correct	62 ms	15036 KB	Output is correct
52	Correct	69 ms	14836 KB	Output is correct
53	Correct	55 ms	14928 KB	Output is correct
54	Correct	64 ms	14780 KB	Output is correct
55	Correct	63 ms	14936 KB	Output is correct
56	Correct	52 ms	14788 KB	Output is correct
57	Correct	56 ms	15036 KB	Output is correct
58	Correct	55 ms	14776 KB	Output is correct
59	Correct	59 ms	14908 KB	Output is correct
60	Correct	61 ms	14932 KB	Output is correct
61	Correct	61 ms	14928 KB	Output is correct
62	Correct	71 ms	14836 KB	Output is correct
63	Correct	65 ms	14788 KB	Output is correct
64	Correct	53 ms	14672 KB	Output is correct
65	Correct	66 ms	14888 KB	Output is correct
66	Correct	66 ms	14932 KB	Output is correct
67	Correct	72 ms	14776 KB	Output is correct
68	Correct	73 ms	14892 KB	Output is correct
69	Correct	64 ms	14780 KB	Output is correct
70	Correct	66 ms	14800 KB	Output is correct
71	Correct	332 ms	39376 KB	Output is correct
72	Correct	354 ms	39348 KB	Output is correct
73	Correct	405 ms	37816 KB	Output is correct
74	Correct	594 ms	38228 KB	Output is correct
75	Correct	345 ms	40272 KB	Output is correct
76	Correct	623 ms	38856 KB	Output is correct
77	Correct	518 ms	38328 KB	Output is correct
78	Correct	240 ms	42212 KB	Output is correct
79	Correct	313 ms	36296 KB	Output is correct
80	Correct	312 ms	39268 KB	Output is correct
81	Correct	389 ms	39248 KB	Output is correct
82	Correct	583 ms	38116 KB	Output is correct
83	Correct	321 ms	37832 KB	Output is correct
84	Correct	456 ms	38204 KB	Output is correct
85	Correct	513 ms	38444 KB	Output is correct
86	Correct	248 ms	36340 KB	Output is correct
87	Correct	308 ms	39248 KB	Output is correct
88	Correct	310 ms	36096 KB	Output is correct
89	Correct	400 ms	37924 KB	Output is correct
90	Correct	439 ms	38272 KB	Output is correct
91	Correct	357 ms	37468 KB	Output is correct
92	Correct	750 ms	38396 KB	Output is correct
93	Correct	687 ms	38408 KB	Output is correct
94	Correct	248 ms	36144 KB	Output is correct
95	Correct	535 ms	38152 KB	Output is correct
96	Correct	576 ms	38136 KB	Output is correct
97	Correct	529 ms	38296 KB	Output is correct
98	Correct	602 ms	38304 KB	Output is correct
99	Correct	573 ms	38256 KB	Output is correct
100	Correct	537 ms	38304 KB	Output is correct

답안 #940768

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 25.0 / 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
25.0 / 25.0