답안 #522360

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
522360	2022-02-04T16:37:09 Z	Monarchuwu	Snake Escaping (JOI18_snake_escaping)	C++17	100 / 100	671 ms	22756 KB

snake_escaping

#include<iostream>
#include<algorithm>
#include<string>
#define all(x) x.begin(), x.end()
using namespace std;
typedef long long ll;

const int N = 1 << 20;
int l, q;
string s;

bool lg[N];
int a[N], f[N], g[N]; // f chứa con (1 = 01), g chứa cha (0 = 01)
void prep() {
    int MASK(1 << l);
    for (int msk = 0; msk < MASK; ++msk) {
        lg[msk] = lg[msk >> 1] ^ (msk & 1);
        a[msk] = f[msk] = g[msk] = s[msk] ^ 48;
    }

    for (int j = 0; j < l; ++j)
        for (int msk = 0; msk < MASK; ++msk)
            if (msk >> j & 1)
                f[msk] += f[msk ^ (1 << j)];
            else g[msk] += g[msk | (1 << j)];
}

int main() {
    cin.tie(NULL)->sync_with_stdio(false);
    cin >> l >> q >> s;
    prep();

    while (q--) {
        string t; cin >> t;
        int m0(0), m1(0), m2(0), cnt0(0), cnt1(0), cnt2(0);
        for (char c : t) {
            m0 <<= 1, m1 <<= 1, m2 <<= 1;
            if (c == '0') ++m0, ++cnt0;
            else if (c == '1') ++m1, ++cnt1;
            else ++m2, ++cnt2;
        }

        int ans(0), mi = min({ cnt0, cnt1, cnt2 });
        if (cnt2 == mi) { // brute ?
            ans = a[m1];
            for (int m = m2; m; m = (m - 1) & m2)
                ans += a[m | m1];
        }
        else if (cnt0 == mi) { // inc-exc 0, dp sos 1 and ? => dùng g
            ans = g[m1];
            for (int m = m0; m; m = (m - 1) & m0)
                ans += lg[m] ? -g[m | m1] : g[m | m1];
        }
        else { // inc-exc 1, dp sos 0 and ? => dùng f
            ans = lg[m1] ? -f[m2] : f[m2];
            for (int m = m1; m; m = (m - 1) & m1)
                ans += lg[m] == lg[m1] ? f[m | m2] : -f[m | m2];
        }
        cout << ans << '\n';
    }
}
/**  /\_/\
 *  (= ._.)
 *  / >0  \>1
**/

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	188 ms	4288 KB	Output is correct
12	Correct	205 ms	3956 KB	Output is correct
13	Correct	217 ms	3152 KB	Output is correct
14	Correct	207 ms	3268 KB	Output is correct
15	Correct	184 ms	4292 KB	Output is correct
16	Correct	220 ms	3524 KB	Output is correct
17	Correct	214 ms	3432 KB	Output is correct
18	Correct	148 ms	5312 KB	Output is correct
19	Correct	176 ms	2244 KB	Output is correct
20	Correct	209 ms	3944 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	188 ms	4288 KB	Output is correct
12	Correct	205 ms	3956 KB	Output is correct
13	Correct	217 ms	3152 KB	Output is correct
14	Correct	207 ms	3268 KB	Output is correct
15	Correct	184 ms	4292 KB	Output is correct
16	Correct	220 ms	3524 KB	Output is correct
17	Correct	214 ms	3432 KB	Output is correct
18	Correct	148 ms	5312 KB	Output is correct
19	Correct	176 ms	2244 KB	Output is correct
20	Correct	209 ms	3944 KB	Output is correct
21	Correct	209 ms	4400 KB	Output is correct
22	Correct	221 ms	4656 KB	Output is correct
23	Correct	241 ms	3528 KB	Output is correct
24	Correct	247 ms	3408 KB	Output is correct
25	Correct	211 ms	5444 KB	Output is correct
26	Correct	250 ms	3932 KB	Output is correct
27	Correct	269 ms	3824 KB	Output is correct
28	Correct	155 ms	6404 KB	Output is correct
29	Correct	199 ms	2404 KB	Output is correct
30	Correct	212 ms	4600 KB	Output is correct
31	Correct	271 ms	4368 KB	Output is correct
32	Correct	251 ms	4472 KB	Output is correct
33	Correct	203 ms	3292 KB	Output is correct
34	Correct	295 ms	3536 KB	Output is correct
35	Correct	254 ms	3832 KB	Output is correct
36	Correct	194 ms	2492 KB	Output is correct
37	Correct	195 ms	4444 KB	Output is correct
38	Correct	238 ms	2408 KB	Output is correct
39	Correct	225 ms	3632 KB	Output is correct
40	Correct	263 ms	3388 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	42 ms	14936 KB	Output is correct
12	Correct	48 ms	14952 KB	Output is correct
13	Correct	54 ms	14968 KB	Output is correct
14	Correct	54 ms	14880 KB	Output is correct
15	Correct	45 ms	15060 KB	Output is correct
16	Correct	55 ms	14916 KB	Output is correct
17	Correct	58 ms	14972 KB	Output is correct
18	Correct	37 ms	15192 KB	Output is correct
19	Correct	46 ms	14820 KB	Output is correct
20	Correct	62 ms	14952 KB	Output is correct
21	Correct	51 ms	14964 KB	Output is correct
22	Correct	74 ms	14936 KB	Output is correct
23	Correct	45 ms	14848 KB	Output is correct
24	Correct	56 ms	14924 KB	Output is correct
25	Correct	56 ms	14892 KB	Output is correct
26	Correct	38 ms	14820 KB	Output is correct
27	Correct	44 ms	14996 KB	Output is correct
28	Correct	50 ms	14820 KB	Output is correct
29	Correct	63 ms	14944 KB	Output is correct
30	Correct	66 ms	14976 KB	Output is correct
31	Correct	45 ms	14880 KB	Output is correct
32	Correct	69 ms	14932 KB	Output is correct
33	Correct	58 ms	14936 KB	Output is correct
34	Correct	43 ms	14820 KB	Output is correct
35	Correct	54 ms	14992 KB	Output is correct
36	Correct	59 ms	14948 KB	Output is correct
37	Correct	52 ms	14948 KB	Output is correct
38	Correct	52 ms	14940 KB	Output is correct
39	Correct	50 ms	14948 KB	Output is correct
40	Correct	61 ms	15020 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	188 ms	4288 KB	Output is correct
12	Correct	205 ms	3956 KB	Output is correct
13	Correct	217 ms	3152 KB	Output is correct
14	Correct	207 ms	3268 KB	Output is correct
15	Correct	184 ms	4292 KB	Output is correct
16	Correct	220 ms	3524 KB	Output is correct
17	Correct	214 ms	3432 KB	Output is correct
18	Correct	148 ms	5312 KB	Output is correct
19	Correct	176 ms	2244 KB	Output is correct
20	Correct	209 ms	3944 KB	Output is correct
21	Correct	209 ms	4400 KB	Output is correct
22	Correct	221 ms	4656 KB	Output is correct
23	Correct	241 ms	3528 KB	Output is correct
24	Correct	247 ms	3408 KB	Output is correct
25	Correct	211 ms	5444 KB	Output is correct
26	Correct	250 ms	3932 KB	Output is correct
27	Correct	269 ms	3824 KB	Output is correct
28	Correct	155 ms	6404 KB	Output is correct
29	Correct	199 ms	2404 KB	Output is correct
30	Correct	212 ms	4600 KB	Output is correct
31	Correct	271 ms	4368 KB	Output is correct
32	Correct	251 ms	4472 KB	Output is correct
33	Correct	203 ms	3292 KB	Output is correct
34	Correct	295 ms	3536 KB	Output is correct
35	Correct	254 ms	3832 KB	Output is correct
36	Correct	194 ms	2492 KB	Output is correct
37	Correct	195 ms	4444 KB	Output is correct
38	Correct	238 ms	2408 KB	Output is correct
39	Correct	225 ms	3632 KB	Output is correct
40	Correct	263 ms	3388 KB	Output is correct
41	Correct	42 ms	14936 KB	Output is correct
42	Correct	48 ms	14952 KB	Output is correct
43	Correct	54 ms	14968 KB	Output is correct
44	Correct	54 ms	14880 KB	Output is correct
45	Correct	45 ms	15060 KB	Output is correct
46	Correct	55 ms	14916 KB	Output is correct
47	Correct	58 ms	14972 KB	Output is correct
48	Correct	37 ms	15192 KB	Output is correct
49	Correct	46 ms	14820 KB	Output is correct
50	Correct	62 ms	14952 KB	Output is correct
51	Correct	51 ms	14964 KB	Output is correct
52	Correct	74 ms	14936 KB	Output is correct
53	Correct	45 ms	14848 KB	Output is correct
54	Correct	56 ms	14924 KB	Output is correct
55	Correct	56 ms	14892 KB	Output is correct
56	Correct	38 ms	14820 KB	Output is correct
57	Correct	44 ms	14996 KB	Output is correct
58	Correct	50 ms	14820 KB	Output is correct
59	Correct	63 ms	14944 KB	Output is correct
60	Correct	66 ms	14976 KB	Output is correct
61	Correct	45 ms	14880 KB	Output is correct
62	Correct	69 ms	14932 KB	Output is correct
63	Correct	58 ms	14936 KB	Output is correct
64	Correct	43 ms	14820 KB	Output is correct
65	Correct	54 ms	14992 KB	Output is correct
66	Correct	59 ms	14948 KB	Output is correct
67	Correct	52 ms	14948 KB	Output is correct
68	Correct	52 ms	14940 KB	Output is correct
69	Correct	50 ms	14948 KB	Output is correct
70	Correct	61 ms	15020 KB	Output is correct
71	Correct	380 ms	19812 KB	Output is correct
72	Correct	350 ms	19912 KB	Output is correct
73	Correct	508 ms	18404 KB	Output is correct
74	Correct	544 ms	18744 KB	Output is correct
75	Correct	312 ms	20780 KB	Output is correct
76	Correct	593 ms	19072 KB	Output is correct
77	Correct	548 ms	18988 KB	Output is correct
78	Correct	230 ms	22756 KB	Output is correct
79	Correct	328 ms	16708 KB	Output is correct
80	Correct	332 ms	19884 KB	Output is correct
81	Correct	424 ms	19888 KB	Output is correct
82	Correct	555 ms	18880 KB	Output is correct
83	Correct	328 ms	17892 KB	Output is correct
84	Correct	561 ms	18772 KB	Output is correct
85	Correct	604 ms	19064 KB	Output is correct
86	Correct	233 ms	16856 KB	Output is correct
87	Correct	318 ms	19696 KB	Output is correct
88	Correct	383 ms	16740 KB	Output is correct
89	Correct	389 ms	18468 KB	Output is correct
90	Correct	463 ms	18796 KB	Output is correct
91	Correct	383 ms	17936 KB	Output is correct
92	Correct	671 ms	19236 KB	Output is correct
93	Correct	602 ms	19004 KB	Output is correct
94	Correct	201 ms	16700 KB	Output is correct
95	Correct	488 ms	18824 KB	Output is correct
96	Correct	544 ms	18812 KB	Output is correct
97	Correct	494 ms	18864 KB	Output is correct
98	Correct	512 ms	18916 KB	Output is correct
99	Correct	579 ms	18916 KB	Output is correct
100	Correct	499 ms	18820 KB	Output is correct

답안 #522360

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