oj.uz

Submission #523323

# Submission time Handle Problem Language Result Execution time Memory
523323 2022-02-07T12:55:44 Z sidon Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 1872 ms 26604 KB 
#include <bits/stdc++.h>
using namespace std;

const int B = 13, N = 1<<20, SZ = pow(3, B);

int Q, dp[SZ], ans[N], id[N], p3[B] = {1};
string A, inp;
short x[N], y[N];

int main() {
	ios::sync_with_stdio(0), cin.tie(0);

	for(int i = 1; i < B; ++i)
		p3[i] = p3[i-1] * 3;

	cin >> Q >> Q >> A;
	A.resize(N, '0');

	for(int i = 0; i < Q; ++i) {
		cin >> inp;
		reverse(begin(inp), end(inp));
		inp.resize(20, '0');

		for(int k = 0; k < B; ++k)
			id[i] += p3[k] * ((48 < inp[k]) + (62 < inp[k]));

		for(int k = 0; k < 20-B; ++k) {
			if(inp[k+B] != '?')	y[i] |= 1<<k;
			if(inp[k+B] == '1')	x[i] |= 1<<k;
		}
	}

	for(int s = 0; s < (1<<(20-B)); ++s) {
		memset(dp, 0, sizeof dp);

		for(int i = 0; i < (1<<B); ++i) {
			int j = 0;
			for(int k = 0; k < B; ++k)
				if(i & (1<<k)) j += p3[k];

			dp[j] += A[i | (s << B)] - '0';
		}

		for(int i = 1; i < SZ; ++i) {
			int j = -1, pw = 1;

			for(int k = 0, p = i; k < B; ++k, p /= 3)
				if((p % 3) > 1) j = k, pw = p3[k], k = B;
			
			if(j >= 0)
				dp[i] = dp[i - pw] + dp[i - 2 * pw];
		}

		for(int i = 0; i < Q; ++i)
			if(!((x[i] ^ s) & y[i]))
				ans[i] += dp[id[i]];
	}

	for(int i = 0; i < Q; ++i)
		cout << ans[i] << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1048 ms 7628 KB Output is correct
2 Correct 1039 ms 7628 KB Output is correct
3 Correct 1016 ms 7628 KB Output is correct
4 Correct 1035 ms 7636 KB Output is correct
5 Correct 1058 ms 7628 KB Output is correct
6 Correct 967 ms 7748 KB Output is correct
7 Correct 971 ms 7628 KB Output is correct
8 Correct 987 ms 7748 KB Output is correct
9 Correct 977 ms 7628 KB Output is correct
10 Correct 986 ms 7628 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1048 ms 7628 KB Output is correct
2 Correct 1039 ms 7628 KB Output is correct
3 Correct 1016 ms 7628 KB Output is correct
4 Correct 1035 ms 7636 KB Output is correct
5 Correct 1058 ms 7628 KB Output is correct
6 Correct 967 ms 7748 KB Output is correct
7 Correct 971 ms 7628 KB Output is correct
8 Correct 987 ms 7748 KB Output is correct
9 Correct 977 ms 7628 KB Output is correct
10 Correct 986 ms 7628 KB Output is correct
11 Correct 1296 ms 24772 KB Output is correct
12 Correct 1343 ms 24388 KB Output is correct
13 Correct 1312 ms 23504 KB Output is correct
14 Correct 1310 ms 23776 KB Output is correct
15 Correct 1342 ms 24672 KB Output is correct
16 Correct 1329 ms 23772 KB Output is correct
17 Correct 1296 ms 23764 KB Output is correct
18 Correct 1317 ms 25688 KB Output is correct
19 Correct 1290 ms 22632 KB Output is correct
20 Correct 1319 ms 24376 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1048 ms 7628 KB Output is correct
2 Correct 1039 ms 7628 KB Output is correct
3 Correct 1016 ms 7628 KB Output is correct
4 Correct 1035 ms 7636 KB Output is correct
5 Correct 1058 ms 7628 KB Output is correct
6 Correct 967 ms 7748 KB Output is correct
7 Correct 971 ms 7628 KB Output is correct
8 Correct 987 ms 7748 KB Output is correct
9 Correct 977 ms 7628 KB Output is correct
10 Correct 986 ms 7628 KB Output is correct
11 Correct 1296 ms 24772 KB Output is correct
12 Correct 1343 ms 24388 KB Output is correct
13 Correct 1312 ms 23504 KB Output is correct
14 Correct 1310 ms 23776 KB Output is correct
15 Correct 1342 ms 24672 KB Output is correct
16 Correct 1329 ms 23772 KB Output is correct
17 Correct 1296 ms 23764 KB Output is correct
18 Correct 1317 ms 25688 KB Output is correct
19 Correct 1290 ms 22632 KB Output is correct
20 Correct 1319 ms 24376 KB Output is correct
21 Correct 1305 ms 24592 KB Output is correct
22 Correct 1301 ms 24688 KB Output is correct
23 Correct 1303 ms 23772 KB Output is correct
24 Correct 1305 ms 23532 KB Output is correct
25 Correct 1298 ms 25668 KB Output is correct
26 Correct 1310 ms 24052 KB Output is correct
27 Correct 1340 ms 24184 KB Output is correct
28 Correct 1296 ms 26604 KB Output is correct
29 Correct 1310 ms 22512 KB Output is correct
30 Correct 1305 ms 24776 KB Output is correct
31 Correct 1323 ms 24604 KB Output is correct
32 Correct 1300 ms 24568 KB Output is correct
33 Correct 1297 ms 23408 KB Output is correct
34 Correct 1315 ms 23572 KB Output is correct
35 Correct 1306 ms 24052 KB Output is correct
36 Correct 1334 ms 22520 KB Output is correct
37 Correct 1305 ms 24580 KB Output is correct
38 Correct 1289 ms 22568 KB Output is correct
39 Correct 1315 ms 23820 KB Output is correct
40 Correct 1294 ms 23284 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1048 ms 7628 KB Output is correct
2 Correct 1039 ms 7628 KB Output is correct
3 Correct 1016 ms 7628 KB Output is correct
4 Correct 1035 ms 7636 KB Output is correct
5 Correct 1058 ms 7628 KB Output is correct
6 Correct 967 ms 7748 KB Output is correct
7 Correct 971 ms 7628 KB Output is correct
8 Correct 987 ms 7748 KB Output is correct
9 Correct 977 ms 7628 KB Output is correct
10 Correct 986 ms 7628 KB Output is correct
11 Correct 1018 ms 9852 KB Output is correct
12 Correct 1050 ms 9880 KB Output is correct
13 Correct 1022 ms 9960 KB Output is correct
14 Correct 1020 ms 9856 KB Output is correct
15 Correct 1022 ms 9956 KB Output is correct
16 Correct 999 ms 9852 KB Output is correct
17 Correct 1029 ms 9952 KB Output is correct
18 Correct 1000 ms 9912 KB Output is correct
19 Correct 1022 ms 9732 KB Output is correct
20 Correct 1025 ms 9984 KB Output is correct
21 Correct 1146 ms 9852 KB Output is correct
22 Correct 1105 ms 9724 KB Output is correct
23 Correct 1198 ms 9732 KB Output is correct
24 Correct 1107 ms 9728 KB Output is correct
25 Correct 1122 ms 9728 KB Output is correct
26 Correct 1080 ms 9772 KB Output is correct
27 Correct 1119 ms 9752 KB Output is correct
28 Correct 1024 ms 9732 KB Output is correct
29 Correct 1024 ms 9856 KB Output is correct
30 Correct 1033 ms 9860 KB Output is correct
31 Correct 1046 ms 9864 KB Output is correct
32 Correct 1030 ms 9856 KB Output is correct
33 Correct 1016 ms 9856 KB Output is correct
34 Correct 994 ms 9624 KB Output is correct
35 Correct 1020 ms 9724 KB Output is correct
36 Correct 1025 ms 9728 KB Output is correct
37 Correct 1020 ms 9724 KB Output is correct
38 Correct 1051 ms 9728 KB Output is correct
39 Correct 1024 ms 9828 KB Output is correct
40 Correct 1042 ms 9728 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1048 ms 7628 KB Output is correct
2 Correct 1039 ms 7628 KB Output is correct
3 Correct 1016 ms 7628 KB Output is correct
4 Correct 1035 ms 7636 KB Output is correct
5 Correct 1058 ms 7628 KB Output is correct
6 Correct 967 ms 7748 KB Output is correct
7 Correct 971 ms 7628 KB Output is correct
8 Correct 987 ms 7748 KB Output is correct
9 Correct 977 ms 7628 KB Output is correct
10 Correct 986 ms 7628 KB Output is correct
11 Correct 1296 ms 24772 KB Output is correct
12 Correct 1343 ms 24388 KB Output is correct
13 Correct 1312 ms 23504 KB Output is correct
14 Correct 1310 ms 23776 KB Output is correct
15 Correct 1342 ms 24672 KB Output is correct
16 Correct 1329 ms 23772 KB Output is correct
17 Correct 1296 ms 23764 KB Output is correct
18 Correct 1317 ms 25688 KB Output is correct
19 Correct 1290 ms 22632 KB Output is correct
20 Correct 1319 ms 24376 KB Output is correct
21 Correct 1305 ms 24592 KB Output is correct
22 Correct 1301 ms 24688 KB Output is correct
23 Correct 1303 ms 23772 KB Output is correct
24 Correct 1305 ms 23532 KB Output is correct
25 Correct 1298 ms 25668 KB Output is correct
26 Correct 1310 ms 24052 KB Output is correct
27 Correct 1340 ms 24184 KB Output is correct
28 Correct 1296 ms 26604 KB Output is correct
29 Correct 1310 ms 22512 KB Output is correct
30 Correct 1305 ms 24776 KB Output is correct
31 Correct 1323 ms 24604 KB Output is correct
32 Correct 1300 ms 24568 KB Output is correct
33 Correct 1297 ms 23408 KB Output is correct
34 Correct 1315 ms 23572 KB Output is correct
35 Correct 1306 ms 24052 KB Output is correct
36 Correct 1334 ms 22520 KB Output is correct
37 Correct 1305 ms 24580 KB Output is correct
38 Correct 1289 ms 22568 KB Output is correct
39 Correct 1315 ms 23820 KB Output is correct
40 Correct 1294 ms 23284 KB Output is correct
41 Correct 1018 ms 9852 KB Output is correct
42 Correct 1050 ms 9880 KB Output is correct
43 Correct 1022 ms 9960 KB Output is correct
44 Correct 1020 ms 9856 KB Output is correct
45 Correct 1022 ms 9956 KB Output is correct
46 Correct 999 ms 9852 KB Output is correct
47 Correct 1029 ms 9952 KB Output is correct
48 Correct 1000 ms 9912 KB Output is correct
49 Correct 1022 ms 9732 KB Output is correct
50 Correct 1025 ms 9984 KB Output is correct
51 Correct 1146 ms 9852 KB Output is correct
52 Correct 1105 ms 9724 KB Output is correct
53 Correct 1198 ms 9732 KB Output is correct
54 Correct 1107 ms 9728 KB Output is correct
55 Correct 1122 ms 9728 KB Output is correct
56 Correct 1080 ms 9772 KB Output is correct
57 Correct 1119 ms 9752 KB Output is correct
58 Correct 1024 ms 9732 KB Output is correct
59 Correct 1024 ms 9856 KB Output is correct
60 Correct 1033 ms 9860 KB Output is correct
61 Correct 1046 ms 9864 KB Output is correct
62 Correct 1030 ms 9856 KB Output is correct
63 Correct 1016 ms 9856 KB Output is correct
64 Correct 994 ms 9624 KB Output is correct
65 Correct 1020 ms 9724 KB Output is correct
66 Correct 1025 ms 9728 KB Output is correct
67 Correct 1020 ms 9724 KB Output is correct
68 Correct 1051 ms 9728 KB Output is correct
69 Correct 1024 ms 9828 KB Output is correct
70 Correct 1042 ms 9728 KB Output is correct
71 Correct 1512 ms 25572 KB Output is correct
72 Correct 1523 ms 23416 KB Output is correct
73 Correct 1543 ms 23912 KB Output is correct
74 Correct 1626 ms 24224 KB Output is correct
75 Correct 1685 ms 26268 KB Output is correct
76 Correct 1635 ms 24460 KB Output is correct
77 Correct 1666 ms 24368 KB Output is correct
78 Correct 1338 ms 24392 KB Output is correct
79 Correct 1442 ms 22244 KB Output is correct
80 Correct 1545 ms 25312 KB Output is correct
81 Correct 1714 ms 25316 KB Output is correct
82 Correct 1611 ms 24296 KB Output is correct
83 Correct 1458 ms 23436 KB Output is correct
84 Correct 1585 ms 24292 KB Output is correct
85 Correct 1637 ms 24320 KB Output is correct
86 Correct 1316 ms 22244 KB Output is correct
87 Correct 1494 ms 23304 KB Output is correct
88 Correct 1437 ms 22160 KB Output is correct
89 Correct 1522 ms 23692 KB Output is correct
90 Correct 1580 ms 24076 KB Output is correct
91 Correct 1418 ms 23184 KB Output is correct
92 Correct 1633 ms 24288 KB Output is correct
93 Correct 1656 ms 24080 KB Output is correct
94 Correct 1298 ms 19940 KB Output is correct
95 Correct 1605 ms 24016 KB Output is correct
96 Correct 1600 ms 24176 KB Output is correct
97 Correct 1741 ms 24080 KB Output is correct
98 Correct 1872 ms 23892 KB Output is correct
99 Correct 1766 ms 23940 KB Output is correct
100 Correct 1777 ms 23952 KB Output is correct