답안 #958752

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
958752	2024-04-06T14:17:47 Z	TAhmed33	Snake Escaping (JOI18_snake_escaping)	C++	75 / 100	2000 ms	47608 KB

snake_escaping

#include <bits/stdc++.h>
using namespace std;
const int B = 20;
int dp[2][1 << B], dq[2][1 << B], arr[1 << B];
int n, q;
int main () {
	cin >> n >> q;
	for (int i = 0; i < (1 << n); i++) {
		char s; cin >> s; int x = s - '0';
		arr[i] = x;
		dp[1][i] = dq[1][i] = x;
	}
	for (int i = 0, c = 0; i < n; i++, c ^= 1) {
		for (int j = 0; j < (1 << n); j++) {
			dp[c][j] = dp[c ^ 1][j];
			if (j & (1 << i)) dp[c][j] += dp[c ^ 1][j ^ (1 << i)];
			dq[c][j] = dq[c ^ 1][j];
			if (!(j & (1 << i))) dq[c][j] += dq[c ^ 1][j ^ (1 << i)];
		}
	}
	int ll = (n - 1) & 1;
	while (q--) {
		string s; cin >> s;
		int a = 0, b = 0, c = 0;
		for (int i = 0; i < n; i++) {
			if (s[i] == '0') {
				a ^= 1 << (n - i - 1);
			} else if (s[i] == '1') {
				b ^= 1 << (n - i - 1);
			} else {
				c ^= 1 << (n - i - 1);
			}
		}
		int ret = 0;
		if (__builtin_popcount(a) <= 6) {
			int m = a;
			while (true) {
				assert(0 <= m && m < (1 << n));
				if (__builtin_popcount(m) & 1) {
					ret -= dq[ll][b | m];
				} else {
					ret += dq[ll][b | m];
				}
				if (m == 0) break;
				m = (m - 1) & a;
			}
		} else if (__builtin_popcount(b) <= 6) {
			int m = b;
			while (true) {
				if (__builtin_popcount(m) & 1) {
					ret -= dp[ll][c | m];
				} else {
					ret += dp[ll][c | m];
				}
				if (m == 0) break;
				m = (m - 1) & b;
			} 
		} else {
			int m = c;
			while (true) {
				ret += arr[b ^ m];
				if (m == 0) break;
				m = (m - 1) & c;
			} 
		}
		cout << (ret < 0 ? -ret : ret) << '\n';
	}
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	8536 KB	Output is correct
2	Correct	3 ms	8540 KB	Output is correct
3	Correct	3 ms	8540 KB	Output is correct
4	Correct	4 ms	8540 KB	Output is correct
5	Correct	3 ms	8640 KB	Output is correct
6	Correct	4 ms	8536 KB	Output is correct
7	Correct	3 ms	8540 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	3 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	8536 KB	Output is correct
2	Correct	3 ms	8540 KB	Output is correct
3	Correct	3 ms	8540 KB	Output is correct
4	Correct	4 ms	8540 KB	Output is correct
5	Correct	3 ms	8640 KB	Output is correct
6	Correct	4 ms	8536 KB	Output is correct
7	Correct	3 ms	8540 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	3 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	1528 ms	23380 KB	Output is correct
12	Correct	1596 ms	23024 KB	Output is correct
13	Correct	1603 ms	22072 KB	Output is correct
14	Correct	1547 ms	22356 KB	Output is correct
15	Correct	1574 ms	23632 KB	Output is correct
16	Correct	1542 ms	22524 KB	Output is correct
17	Correct	1558 ms	22512 KB	Output is correct
18	Correct	1469 ms	24220 KB	Output is correct
19	Correct	1582 ms	21188 KB	Output is correct
20	Correct	1553 ms	22972 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	8536 KB	Output is correct
2	Correct	3 ms	8540 KB	Output is correct
3	Correct	3 ms	8540 KB	Output is correct
4	Correct	4 ms	8540 KB	Output is correct
5	Correct	3 ms	8640 KB	Output is correct
6	Correct	4 ms	8536 KB	Output is correct
7	Correct	3 ms	8540 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	3 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	1528 ms	23380 KB	Output is correct
12	Correct	1596 ms	23024 KB	Output is correct
13	Correct	1603 ms	22072 KB	Output is correct
14	Correct	1547 ms	22356 KB	Output is correct
15	Correct	1574 ms	23632 KB	Output is correct
16	Correct	1542 ms	22524 KB	Output is correct
17	Correct	1558 ms	22512 KB	Output is correct
18	Correct	1469 ms	24220 KB	Output is correct
19	Correct	1582 ms	21188 KB	Output is correct
20	Correct	1553 ms	22972 KB	Output is correct
21	Correct	1582 ms	26272 KB	Output is correct
22	Correct	1635 ms	26440 KB	Output is correct
23	Correct	1834 ms	25416 KB	Output is correct
24	Correct	1715 ms	25336 KB	Output is correct
25	Correct	1570 ms	27500 KB	Output is correct
26	Correct	1609 ms	26224 KB	Output is correct
27	Correct	1660 ms	25824 KB	Output is correct
28	Correct	1479 ms	28148 KB	Output is correct
29	Correct	1738 ms	24352 KB	Output is correct
30	Correct	1539 ms	26300 KB	Output is correct
31	Correct	1604 ms	26260 KB	Output is correct
32	Correct	1645 ms	26332 KB	Output is correct
33	Correct	1563 ms	25392 KB	Output is correct
34	Correct	1642 ms	25388 KB	Output is correct
35	Correct	1642 ms	25812 KB	Output is correct
36	Correct	1486 ms	24144 KB	Output is correct
37	Correct	1522 ms	26336 KB	Output is correct
38	Correct	1676 ms	24156 KB	Output is correct
39	Correct	1626 ms	25448 KB	Output is correct
40	Correct	1604 ms	25284 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	8536 KB	Output is correct
2	Correct	3 ms	8540 KB	Output is correct
3	Correct	3 ms	8540 KB	Output is correct
4	Correct	4 ms	8540 KB	Output is correct
5	Correct	3 ms	8640 KB	Output is correct
6	Correct	4 ms	8536 KB	Output is correct
7	Correct	3 ms	8540 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	3 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	154 ms	23124 KB	Output is correct
12	Correct	152 ms	23212 KB	Output is correct
13	Correct	161 ms	23160 KB	Output is correct
14	Correct	186 ms	22972 KB	Output is correct
15	Correct	153 ms	23052 KB	Output is correct
16	Correct	168 ms	23120 KB	Output is correct
17	Correct	170 ms	23076 KB	Output is correct
18	Correct	146 ms	23256 KB	Output is correct
19	Correct	153 ms	22856 KB	Output is correct
20	Correct	157 ms	23376 KB	Output is correct
21	Correct	160 ms	23000 KB	Output is correct
22	Correct	164 ms	23116 KB	Output is correct
23	Correct	163 ms	23196 KB	Output is correct
24	Correct	168 ms	23124 KB	Output is correct
25	Correct	168 ms	23124 KB	Output is correct
26	Correct	149 ms	22984 KB	Output is correct
27	Correct	173 ms	23184 KB	Output is correct
28	Correct	155 ms	22868 KB	Output is correct
29	Correct	160 ms	23008 KB	Output is correct
30	Correct	158 ms	23120 KB	Output is correct
31	Correct	155 ms	23120 KB	Output is correct
32	Correct	168 ms	23124 KB	Output is correct
33	Correct	178 ms	23240 KB	Output is correct
34	Correct	145 ms	22864 KB	Output is correct
35	Correct	159 ms	23128 KB	Output is correct
36	Correct	168 ms	23120 KB	Output is correct
37	Correct	164 ms	23120 KB	Output is correct
38	Correct	166 ms	23124 KB	Output is correct
39	Correct	167 ms	22960 KB	Output is correct
40	Correct	161 ms	23124 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	8536 KB	Output is correct
2	Correct	3 ms	8540 KB	Output is correct
3	Correct	3 ms	8540 KB	Output is correct
4	Correct	4 ms	8540 KB	Output is correct
5	Correct	3 ms	8640 KB	Output is correct
6	Correct	4 ms	8536 KB	Output is correct
7	Correct	3 ms	8540 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	3 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	1528 ms	23380 KB	Output is correct
12	Correct	1596 ms	23024 KB	Output is correct
13	Correct	1603 ms	22072 KB	Output is correct
14	Correct	1547 ms	22356 KB	Output is correct
15	Correct	1574 ms	23632 KB	Output is correct
16	Correct	1542 ms	22524 KB	Output is correct
17	Correct	1558 ms	22512 KB	Output is correct
18	Correct	1469 ms	24220 KB	Output is correct
19	Correct	1582 ms	21188 KB	Output is correct
20	Correct	1553 ms	22972 KB	Output is correct
21	Correct	1582 ms	26272 KB	Output is correct
22	Correct	1635 ms	26440 KB	Output is correct
23	Correct	1834 ms	25416 KB	Output is correct
24	Correct	1715 ms	25336 KB	Output is correct
25	Correct	1570 ms	27500 KB	Output is correct
26	Correct	1609 ms	26224 KB	Output is correct
27	Correct	1660 ms	25824 KB	Output is correct
28	Correct	1479 ms	28148 KB	Output is correct
29	Correct	1738 ms	24352 KB	Output is correct
30	Correct	1539 ms	26300 KB	Output is correct
31	Correct	1604 ms	26260 KB	Output is correct
32	Correct	1645 ms	26332 KB	Output is correct
33	Correct	1563 ms	25392 KB	Output is correct
34	Correct	1642 ms	25388 KB	Output is correct
35	Correct	1642 ms	25812 KB	Output is correct
36	Correct	1486 ms	24144 KB	Output is correct
37	Correct	1522 ms	26336 KB	Output is correct
38	Correct	1676 ms	24156 KB	Output is correct
39	Correct	1626 ms	25448 KB	Output is correct
40	Correct	1604 ms	25284 KB	Output is correct
41	Correct	154 ms	23124 KB	Output is correct
42	Correct	152 ms	23212 KB	Output is correct
43	Correct	161 ms	23160 KB	Output is correct
44	Correct	186 ms	22972 KB	Output is correct
45	Correct	153 ms	23052 KB	Output is correct
46	Correct	168 ms	23120 KB	Output is correct
47	Correct	170 ms	23076 KB	Output is correct
48	Correct	146 ms	23256 KB	Output is correct
49	Correct	153 ms	22856 KB	Output is correct
50	Correct	157 ms	23376 KB	Output is correct
51	Correct	160 ms	23000 KB	Output is correct
52	Correct	164 ms	23116 KB	Output is correct
53	Correct	163 ms	23196 KB	Output is correct
54	Correct	168 ms	23124 KB	Output is correct
55	Correct	168 ms	23124 KB	Output is correct
56	Correct	149 ms	22984 KB	Output is correct
57	Correct	173 ms	23184 KB	Output is correct
58	Correct	155 ms	22868 KB	Output is correct
59	Correct	160 ms	23008 KB	Output is correct
60	Correct	158 ms	23120 KB	Output is correct
61	Correct	155 ms	23120 KB	Output is correct
62	Correct	168 ms	23124 KB	Output is correct
63	Correct	178 ms	23240 KB	Output is correct
64	Correct	145 ms	22864 KB	Output is correct
65	Correct	159 ms	23128 KB	Output is correct
66	Correct	168 ms	23120 KB	Output is correct
67	Correct	164 ms	23120 KB	Output is correct
68	Correct	166 ms	23124 KB	Output is correct
69	Correct	167 ms	22960 KB	Output is correct
70	Correct	161 ms	23124 KB	Output is correct
71	Correct	1841 ms	47488 KB	Output is correct
72	Correct	1841 ms	47608 KB	Output is correct
73	Execution timed out	2001 ms	46280 KB	Time limit exceeded
74	Halted	0 ms	0 KB	-

답안 #958752

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