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Submission #958754

# Submission time Handle Problem Language Result Execution time Memory
958754 2024-04-06T14:22:08 Z TAhmed33 Snake Escaping (JOI18_snake_escaping) C++
75 / 100
 2000 ms 40036 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC target ("popcnt")
const int B = 20;
int dp[1 << B], dq[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] = dp[i] = dq[i] = x;
	}
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < (1 << n); j++) {
			if (!(j & (1 << i))) dq[j] += dq[j ^ (1 << i)];
		}
		for (int j = (1 << n) - 1; j >= 0; j--) {
			if (j & (1 << i)) dp[j] += dp[j ^ (1 << i)];
		}
	}
	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) {
				if (__builtin_popcount(m) & 1) {
					ret -= dq[b | m];
				} else {
					ret += dq[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[c | m];
				} else {
					ret += dp[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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 5 ms 4444 KB Output is correct
4 Correct 2 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 3 ms 4444 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4440 KB Output is correct
10 Correct 3 ms 4444 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 5 ms 4444 KB Output is correct
4 Correct 2 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 3 ms 4444 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4440 KB Output is correct
10 Correct 3 ms 4444 KB Output is correct
11 Correct 1478 ms 8608 KB Output is correct
12 Correct 1507 ms 8144 KB Output is correct
13 Correct 1507 ms 7348 KB Output is correct
14 Correct 1504 ms 7736 KB Output is correct
15 Correct 1465 ms 8516 KB Output is correct
16 Correct 1538 ms 7540 KB Output is correct
17 Correct 1530 ms 7436 KB Output is correct
18 Correct 1443 ms 9360 KB Output is correct
19 Correct 1515 ms 6680 KB Output is correct
20 Correct 1489 ms 8112 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 5 ms 4444 KB Output is correct
4 Correct 2 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 3 ms 4444 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4440 KB Output is correct
10 Correct 3 ms 4444 KB Output is correct
11 Correct 1478 ms 8608 KB Output is correct
12 Correct 1507 ms 8144 KB Output is correct
13 Correct 1507 ms 7348 KB Output is correct
14 Correct 1504 ms 7736 KB Output is correct
15 Correct 1465 ms 8516 KB Output is correct
16 Correct 1538 ms 7540 KB Output is correct
17 Correct 1530 ms 7436 KB Output is correct
18 Correct 1443 ms 9360 KB Output is correct
19 Correct 1515 ms 6680 KB Output is correct
20 Correct 1489 ms 8112 KB Output is correct
21 Correct 1514 ms 8784 KB Output is correct
22 Correct 1627 ms 8544 KB Output is correct
23 Correct 1719 ms 7632 KB Output is correct
24 Correct 1554 ms 7684 KB Output is correct
25 Correct 1576 ms 9408 KB Output is correct
26 Correct 1639 ms 7940 KB Output is correct
27 Correct 1648 ms 7888 KB Output is correct
28 Correct 1502 ms 10688 KB Output is correct
29 Correct 1587 ms 6712 KB Output is correct
30 Correct 1544 ms 8556 KB Output is correct
31 Correct 1569 ms 8592 KB Output is correct
32 Correct 1562 ms 8512 KB Output is correct
33 Correct 1571 ms 7512 KB Output is correct
34 Correct 1631 ms 7508 KB Output is correct
35 Correct 1574 ms 7980 KB Output is correct
36 Correct 1486 ms 6540 KB Output is correct
37 Correct 1521 ms 8460 KB Output is correct
38 Correct 1581 ms 6560 KB Output is correct
39 Correct 1544 ms 7720 KB Output is correct
40 Correct 1578 ms 7660 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 5 ms 4444 KB Output is correct
4 Correct 2 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 3 ms 4444 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4440 KB Output is correct
10 Correct 3 ms 4444 KB Output is correct
11 Correct 155 ms 12884 KB Output is correct
12 Correct 155 ms 12976 KB Output is correct
13 Correct 167 ms 12664 KB Output is correct
14 Correct 162 ms 13044 KB Output is correct
15 Correct 184 ms 12916 KB Output is correct
16 Correct 158 ms 12884 KB Output is correct
17 Correct 161 ms 12720 KB Output is correct
18 Correct 160 ms 12916 KB Output is correct
19 Correct 157 ms 12724 KB Output is correct
20 Correct 155 ms 12976 KB Output is correct
21 Correct 184 ms 12840 KB Output is correct
22 Correct 163 ms 12880 KB Output is correct
23 Correct 151 ms 12720 KB Output is correct
24 Correct 176 ms 12988 KB Output is correct
25 Correct 162 ms 12908 KB Output is correct
26 Correct 178 ms 12820 KB Output is correct
27 Correct 165 ms 13140 KB Output is correct
28 Correct 157 ms 12716 KB Output is correct
29 Correct 157 ms 12740 KB Output is correct
30 Correct 162 ms 12716 KB Output is correct
31 Correct 154 ms 12728 KB Output is correct
32 Correct 176 ms 12932 KB Output is correct
33 Correct 205 ms 12916 KB Output is correct
34 Correct 149 ms 13000 KB Output is correct
35 Correct 164 ms 12720 KB Output is correct
36 Correct 161 ms 12880 KB Output is correct
37 Correct 167 ms 12904 KB Output is correct
38 Correct 159 ms 12908 KB Output is correct
39 Correct 162 ms 12916 KB Output is correct
40 Correct 169 ms 12976 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 5 ms 4444 KB Output is correct
4 Correct 2 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 3 ms 4444 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 2 ms 4444 KB Output is correct
9 Correct 2 ms 4440 KB Output is correct
10 Correct 3 ms 4444 KB Output is correct
11 Correct 1478 ms 8608 KB Output is correct
12 Correct 1507 ms 8144 KB Output is correct
13 Correct 1507 ms 7348 KB Output is correct
14 Correct 1504 ms 7736 KB Output is correct
15 Correct 1465 ms 8516 KB Output is correct
16 Correct 1538 ms 7540 KB Output is correct
17 Correct 1530 ms 7436 KB Output is correct
18 Correct 1443 ms 9360 KB Output is correct
19 Correct 1515 ms 6680 KB Output is correct
20 Correct 1489 ms 8112 KB Output is correct
21 Correct 1514 ms 8784 KB Output is correct
22 Correct 1627 ms 8544 KB Output is correct
23 Correct 1719 ms 7632 KB Output is correct
24 Correct 1554 ms 7684 KB Output is correct
25 Correct 1576 ms 9408 KB Output is correct
26 Correct 1639 ms 7940 KB Output is correct
27 Correct 1648 ms 7888 KB Output is correct
28 Correct 1502 ms 10688 KB Output is correct
29 Correct 1587 ms 6712 KB Output is correct
30 Correct 1544 ms 8556 KB Output is correct
31 Correct 1569 ms 8592 KB Output is correct
32 Correct 1562 ms 8512 KB Output is correct
33 Correct 1571 ms 7512 KB Output is correct
34 Correct 1631 ms 7508 KB Output is correct
35 Correct 1574 ms 7980 KB Output is correct
36 Correct 1486 ms 6540 KB Output is correct
37 Correct 1521 ms 8460 KB Output is correct
38 Correct 1581 ms 6560 KB Output is correct
39 Correct 1544 ms 7720 KB Output is correct
40 Correct 1578 ms 7660 KB Output is correct
41 Correct 155 ms 12884 KB Output is correct
42 Correct 155 ms 12976 KB Output is correct
43 Correct 167 ms 12664 KB Output is correct
44 Correct 162 ms 13044 KB Output is correct
45 Correct 184 ms 12916 KB Output is correct
46 Correct 158 ms 12884 KB Output is correct
47 Correct 161 ms 12720 KB Output is correct
48 Correct 160 ms 12916 KB Output is correct
49 Correct 157 ms 12724 KB Output is correct
50 Correct 155 ms 12976 KB Output is correct
51 Correct 184 ms 12840 KB Output is correct
52 Correct 163 ms 12880 KB Output is correct
53 Correct 151 ms 12720 KB Output is correct
54 Correct 176 ms 12988 KB Output is correct
55 Correct 162 ms 12908 KB Output is correct
56 Correct 178 ms 12820 KB Output is correct
57 Correct 165 ms 13140 KB Output is correct
58 Correct 157 ms 12716 KB Output is correct
59 Correct 157 ms 12740 KB Output is correct
60 Correct 162 ms 12716 KB Output is correct
61 Correct 154 ms 12728 KB Output is correct
62 Correct 176 ms 12932 KB Output is correct
63 Correct 205 ms 12916 KB Output is correct
64 Correct 149 ms 13000 KB Output is correct
65 Correct 164 ms 12720 KB Output is correct
66 Correct 161 ms 12880 KB Output is correct
67 Correct 167 ms 12904 KB Output is correct
68 Correct 159 ms 12908 KB Output is correct
69 Correct 162 ms 12916 KB Output is correct
70 Correct 169 ms 12976 KB Output is correct
71 Correct 1900 ms 17808 KB Output is correct
72 Correct 1819 ms 18040 KB Output is correct
73 Correct 1925 ms 16504 KB Output is correct
74 Correct 1981 ms 38220 KB Output is correct
75 Correct 1856 ms 40036 KB Output is correct
76 Execution timed out 2003 ms 38736 KB Time limit exceeded
77 Halted 0 ms 0 KB -