/*
Snake Escaping
https://oj.uz/problem/view/JOI18_snake_escaping
*/
#include <bits/stdc++.h>
using namespace std;
const int L = 20, N = 1 << L;
int main() {
ios::sync_with_stdio(0), cin.tie(0);
int l, q; cin >> l >> q;
string s; cin >> s;
int n = 1 << l;
static int f[N], g[N], c[N];
for (int i = 0; i < n; i++)
f[i] += s[i] - '0', g[i] += s[i] - '0';
for (int i = 1; i < n; i++)
c[i] = c[i & (i - 1)] + 1;
for (int b = 0; b < l; b++)
for (int i = 0; i < n; i++)
if (i >> b & 1) {
f[i] += f[i ^ (1 << b)];
g[i ^ (1 << b)] += g[i];
}
while (q--) {
string t; cin >> t;
reverse(t.begin(), t.end());
int i0 = 0, i1 = 0, iq = 0;
for (int b = 0; b < l; b++)
if (t[b] == '0') i0 |= 1 << b;
else if (t[b] == '1') i1 |= 1 << b;
else iq |= 1 << b;
int v = 0;
if (c[iq] <= 7) {
for (int t = iq; ; t = (t - 1) & iq) {
v += s[t | i1] - '0';
if (t == 0) break;
}
} else if (c[i0] <= 7) {
for (int t = i0; ; t = (t - 1) & i0) {
v += (c[t] % 2 ? -1 : +1) * g[t | i1];
if (t == 0) break;
}
} else {
for (int t = i1; ; t = (t - 1) & i1) {
v += (c[t] % 2 ? -1 : +1) * f[(t ^ i1) | iq];
if (t == 0) break;
}
}
cout << v << '\n';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
300 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
300 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
239 ms |
15020 KB |
Output is correct |
12 |
Correct |
256 ms |
14788 KB |
Output is correct |
13 |
Correct |
231 ms |
14060 KB |
Output is correct |
14 |
Correct |
224 ms |
14048 KB |
Output is correct |
15 |
Correct |
279 ms |
15100 KB |
Output is correct |
16 |
Correct |
260 ms |
14176 KB |
Output is correct |
17 |
Correct |
254 ms |
14244 KB |
Output is correct |
18 |
Correct |
166 ms |
16072 KB |
Output is correct |
19 |
Correct |
201 ms |
13108 KB |
Output is correct |
20 |
Correct |
271 ms |
14684 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
300 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
239 ms |
15020 KB |
Output is correct |
12 |
Correct |
256 ms |
14788 KB |
Output is correct |
13 |
Correct |
231 ms |
14060 KB |
Output is correct |
14 |
Correct |
224 ms |
14048 KB |
Output is correct |
15 |
Correct |
279 ms |
15100 KB |
Output is correct |
16 |
Correct |
260 ms |
14176 KB |
Output is correct |
17 |
Correct |
254 ms |
14244 KB |
Output is correct |
18 |
Correct |
166 ms |
16072 KB |
Output is correct |
19 |
Correct |
201 ms |
13108 KB |
Output is correct |
20 |
Correct |
271 ms |
14684 KB |
Output is correct |
21 |
Correct |
366 ms |
18160 KB |
Output is correct |
22 |
Correct |
295 ms |
18296 KB |
Output is correct |
23 |
Correct |
274 ms |
17248 KB |
Output is correct |
24 |
Correct |
269 ms |
17100 KB |
Output is correct |
25 |
Correct |
232 ms |
19148 KB |
Output is correct |
26 |
Correct |
293 ms |
17576 KB |
Output is correct |
27 |
Correct |
294 ms |
17596 KB |
Output is correct |
28 |
Correct |
174 ms |
20052 KB |
Output is correct |
29 |
Correct |
214 ms |
16132 KB |
Output is correct |
30 |
Correct |
302 ms |
18204 KB |
Output is correct |
31 |
Correct |
313 ms |
18124 KB |
Output is correct |
32 |
Correct |
281 ms |
18208 KB |
Output is correct |
33 |
Correct |
241 ms |
17100 KB |
Output is correct |
34 |
Correct |
284 ms |
17084 KB |
Output is correct |
35 |
Correct |
298 ms |
17676 KB |
Output is correct |
36 |
Correct |
184 ms |
16148 KB |
Output is correct |
37 |
Correct |
303 ms |
18080 KB |
Output is correct |
38 |
Correct |
223 ms |
16076 KB |
Output is correct |
39 |
Correct |
268 ms |
17216 KB |
Output is correct |
40 |
Correct |
261 ms |
17276 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
300 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
52 ms |
16020 KB |
Output is correct |
12 |
Correct |
59 ms |
16028 KB |
Output is correct |
13 |
Correct |
67 ms |
15976 KB |
Output is correct |
14 |
Correct |
66 ms |
15980 KB |
Output is correct |
15 |
Correct |
58 ms |
16044 KB |
Output is correct |
16 |
Correct |
65 ms |
15964 KB |
Output is correct |
17 |
Correct |
65 ms |
15952 KB |
Output is correct |
18 |
Correct |
45 ms |
16172 KB |
Output is correct |
19 |
Correct |
48 ms |
15852 KB |
Output is correct |
20 |
Correct |
56 ms |
15980 KB |
Output is correct |
21 |
Correct |
70 ms |
15996 KB |
Output is correct |
22 |
Correct |
58 ms |
16020 KB |
Output is correct |
23 |
Correct |
51 ms |
16004 KB |
Output is correct |
24 |
Correct |
57 ms |
15968 KB |
Output is correct |
25 |
Correct |
63 ms |
15980 KB |
Output is correct |
26 |
Correct |
43 ms |
15852 KB |
Output is correct |
27 |
Correct |
50 ms |
15980 KB |
Output is correct |
28 |
Correct |
49 ms |
15824 KB |
Output is correct |
29 |
Correct |
56 ms |
15976 KB |
Output is correct |
30 |
Correct |
53 ms |
15952 KB |
Output is correct |
31 |
Correct |
49 ms |
15980 KB |
Output is correct |
32 |
Correct |
61 ms |
15936 KB |
Output is correct |
33 |
Correct |
69 ms |
15960 KB |
Output is correct |
34 |
Correct |
42 ms |
15820 KB |
Output is correct |
35 |
Correct |
56 ms |
15980 KB |
Output is correct |
36 |
Correct |
59 ms |
16008 KB |
Output is correct |
37 |
Correct |
57 ms |
16028 KB |
Output is correct |
38 |
Correct |
55 ms |
15980 KB |
Output is correct |
39 |
Correct |
63 ms |
16040 KB |
Output is correct |
40 |
Correct |
56 ms |
16016 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
300 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
239 ms |
15020 KB |
Output is correct |
12 |
Correct |
256 ms |
14788 KB |
Output is correct |
13 |
Correct |
231 ms |
14060 KB |
Output is correct |
14 |
Correct |
224 ms |
14048 KB |
Output is correct |
15 |
Correct |
279 ms |
15100 KB |
Output is correct |
16 |
Correct |
260 ms |
14176 KB |
Output is correct |
17 |
Correct |
254 ms |
14244 KB |
Output is correct |
18 |
Correct |
166 ms |
16072 KB |
Output is correct |
19 |
Correct |
201 ms |
13108 KB |
Output is correct |
20 |
Correct |
271 ms |
14684 KB |
Output is correct |
21 |
Correct |
366 ms |
18160 KB |
Output is correct |
22 |
Correct |
295 ms |
18296 KB |
Output is correct |
23 |
Correct |
274 ms |
17248 KB |
Output is correct |
24 |
Correct |
269 ms |
17100 KB |
Output is correct |
25 |
Correct |
232 ms |
19148 KB |
Output is correct |
26 |
Correct |
293 ms |
17576 KB |
Output is correct |
27 |
Correct |
294 ms |
17596 KB |
Output is correct |
28 |
Correct |
174 ms |
20052 KB |
Output is correct |
29 |
Correct |
214 ms |
16132 KB |
Output is correct |
30 |
Correct |
302 ms |
18204 KB |
Output is correct |
31 |
Correct |
313 ms |
18124 KB |
Output is correct |
32 |
Correct |
281 ms |
18208 KB |
Output is correct |
33 |
Correct |
241 ms |
17100 KB |
Output is correct |
34 |
Correct |
284 ms |
17084 KB |
Output is correct |
35 |
Correct |
298 ms |
17676 KB |
Output is correct |
36 |
Correct |
184 ms |
16148 KB |
Output is correct |
37 |
Correct |
303 ms |
18080 KB |
Output is correct |
38 |
Correct |
223 ms |
16076 KB |
Output is correct |
39 |
Correct |
268 ms |
17216 KB |
Output is correct |
40 |
Correct |
261 ms |
17276 KB |
Output is correct |
41 |
Correct |
52 ms |
16020 KB |
Output is correct |
42 |
Correct |
59 ms |
16028 KB |
Output is correct |
43 |
Correct |
67 ms |
15976 KB |
Output is correct |
44 |
Correct |
66 ms |
15980 KB |
Output is correct |
45 |
Correct |
58 ms |
16044 KB |
Output is correct |
46 |
Correct |
65 ms |
15964 KB |
Output is correct |
47 |
Correct |
65 ms |
15952 KB |
Output is correct |
48 |
Correct |
45 ms |
16172 KB |
Output is correct |
49 |
Correct |
48 ms |
15852 KB |
Output is correct |
50 |
Correct |
56 ms |
15980 KB |
Output is correct |
51 |
Correct |
70 ms |
15996 KB |
Output is correct |
52 |
Correct |
58 ms |
16020 KB |
Output is correct |
53 |
Correct |
51 ms |
16004 KB |
Output is correct |
54 |
Correct |
57 ms |
15968 KB |
Output is correct |
55 |
Correct |
63 ms |
15980 KB |
Output is correct |
56 |
Correct |
43 ms |
15852 KB |
Output is correct |
57 |
Correct |
50 ms |
15980 KB |
Output is correct |
58 |
Correct |
49 ms |
15824 KB |
Output is correct |
59 |
Correct |
56 ms |
15976 KB |
Output is correct |
60 |
Correct |
53 ms |
15952 KB |
Output is correct |
61 |
Correct |
49 ms |
15980 KB |
Output is correct |
62 |
Correct |
61 ms |
15936 KB |
Output is correct |
63 |
Correct |
69 ms |
15960 KB |
Output is correct |
64 |
Correct |
42 ms |
15820 KB |
Output is correct |
65 |
Correct |
56 ms |
15980 KB |
Output is correct |
66 |
Correct |
59 ms |
16008 KB |
Output is correct |
67 |
Correct |
57 ms |
16028 KB |
Output is correct |
68 |
Correct |
55 ms |
15980 KB |
Output is correct |
69 |
Correct |
63 ms |
16040 KB |
Output is correct |
70 |
Correct |
56 ms |
16016 KB |
Output is correct |
71 |
Correct |
432 ms |
40344 KB |
Output is correct |
72 |
Correct |
502 ms |
40392 KB |
Output is correct |
73 |
Correct |
466 ms |
38924 KB |
Output is correct |
74 |
Correct |
596 ms |
39284 KB |
Output is correct |
75 |
Correct |
442 ms |
41412 KB |
Output is correct |
76 |
Correct |
696 ms |
39736 KB |
Output is correct |
77 |
Correct |
628 ms |
39556 KB |
Output is correct |
78 |
Correct |
265 ms |
43472 KB |
Output is correct |
79 |
Correct |
360 ms |
37292 KB |
Output is correct |
80 |
Correct |
427 ms |
40508 KB |
Output is correct |
81 |
Correct |
626 ms |
40360 KB |
Output is correct |
82 |
Correct |
607 ms |
39372 KB |
Output is correct |
83 |
Correct |
383 ms |
38460 KB |
Output is correct |
84 |
Correct |
479 ms |
39308 KB |
Output is correct |
85 |
Correct |
586 ms |
39548 KB |
Output is correct |
86 |
Correct |
255 ms |
37272 KB |
Output is correct |
87 |
Correct |
404 ms |
40392 KB |
Output is correct |
88 |
Correct |
351 ms |
37400 KB |
Output is correct |
89 |
Correct |
450 ms |
39120 KB |
Output is correct |
90 |
Correct |
461 ms |
39324 KB |
Output is correct |
91 |
Correct |
378 ms |
38652 KB |
Output is correct |
92 |
Correct |
615 ms |
39776 KB |
Output is correct |
93 |
Correct |
642 ms |
39532 KB |
Output is correct |
94 |
Correct |
249 ms |
37292 KB |
Output is correct |
95 |
Correct |
521 ms |
39448 KB |
Output is correct |
96 |
Correct |
532 ms |
39460 KB |
Output is correct |
97 |
Correct |
531 ms |
39500 KB |
Output is correct |
98 |
Correct |
488 ms |
39424 KB |
Output is correct |
99 |
Correct |
507 ms |
39332 KB |
Output is correct |
100 |
Correct |
529 ms |
39472 KB |
Output is correct |