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답안 #330400

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
330400 2020-11-25T05:38:51 Z casperwang Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
 1077 ms 26000 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAXL = 20;
const int MAXQ = 1000000;
int L, Q;
string str;
int val[1<<MAXL];
int sum0[1<<MAXL];
int sum1[1<<MAXL];
int cnt[1<<MAXL];
int p0, p1, pq;
int ans;

signed main() {
  ios_base::sync_with_stdio(0), cin.tie(0);
  cin >> L >> Q;
  cin >> str;
  for (int i = 0; i < (1<<L); i++) {
    val[i] = sum0[i] = sum1[i] = str[i] - '0';
    cnt[i] = cnt[i>>1] + (i&1);
  }
  for (int i = 0; i < L; i++) {
    for (int j = 0; j < (1<<L); j++) {
      if ((1<<i) & j) {
        sum0[j] += sum0[(1<<i) ^ j];
        sum1[(1<<i) ^ j] += sum1[j];
      }
    }
  }
  for (int i = 0; i < Q; i++) {
    cin >> str;
    p0 = p1 = pq = 0;
    for (int j = 0; j < L; j++) {
      if (str[L-1-j] == '0') p0 |= (1<<j);
      if (str[L-1-j] == '1') p1 |= (1<<j);
      if (str[L-1-j] == '?') pq |= (1<<j);
    }
    ans = 0;
    if (cnt[pq] <= 6) {
      for (int j = pq; ; j=(j-1)&pq) {
        ans += val[p1 | j];
        if (!j) break;
      }
    } else if (cnt[p0] <= 6) {
      for (int j = p0; ; j=(j-1)&p0) {
        if (cnt[j] & 1) ans -= sum1[p1 | j];
        else ans += sum1[p1 | j];
        if (!j) break;
      }
    } else if (cnt[p1] <= 6) {
      for (int j = p1; ; j=(j-1)&p1) {
        if (cnt[p1 ^ j] & 1) ans -= sum0[pq | j];
        else ans += sum0[pq | j];
        if (!j) break;
      }
    }
    cout << ans << "\n";
  }
  return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 269 ms 4460 KB Output is correct
12 Correct 295 ms 3948 KB Output is correct
13 Correct 271 ms 3308 KB Output is correct
14 Correct 262 ms 3436 KB Output is correct
15 Correct 317 ms 4588 KB Output is correct
16 Correct 286 ms 3692 KB Output is correct
17 Correct 299 ms 3564 KB Output is correct
18 Correct 199 ms 5484 KB Output is correct
19 Correct 228 ms 2540 KB Output is correct
20 Correct 292 ms 4076 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 269 ms 4460 KB Output is correct
12 Correct 295 ms 3948 KB Output is correct
13 Correct 271 ms 3308 KB Output is correct
14 Correct 262 ms 3436 KB Output is correct
15 Correct 317 ms 4588 KB Output is correct
16 Correct 286 ms 3692 KB Output is correct
17 Correct 299 ms 3564 KB Output is correct
18 Correct 199 ms 5484 KB Output is correct
19 Correct 228 ms 2540 KB Output is correct
20 Correct 292 ms 4076 KB Output is correct
21 Correct 265 ms 4588 KB Output is correct
22 Correct 358 ms 4844 KB Output is correct
23 Correct 329 ms 3820 KB Output is correct
24 Correct 313 ms 3692 KB Output is correct
25 Correct 290 ms 5484 KB Output is correct
26 Correct 341 ms 4204 KB Output is correct
27 Correct 336 ms 4084 KB Output is correct
28 Correct 218 ms 6508 KB Output is correct
29 Correct 261 ms 2540 KB Output is correct
30 Correct 310 ms 4716 KB Output is correct
31 Correct 371 ms 4588 KB Output is correct
32 Correct 331 ms 4588 KB Output is correct
33 Correct 277 ms 3564 KB Output is correct
34 Correct 314 ms 3692 KB Output is correct
35 Correct 348 ms 4076 KB Output is correct
36 Correct 205 ms 2684 KB Output is correct
37 Correct 348 ms 4588 KB Output is correct
38 Correct 269 ms 2668 KB Output is correct
39 Correct 310 ms 3756 KB Output is correct
40 Correct 310 ms 3564 KB Output is correct

Subtask #4
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 63 ms 18192 KB Output is correct
12 Correct 65 ms 18320 KB Output is correct
13 Correct 70 ms 18064 KB Output is correct
14 Correct 90 ms 18096 KB Output is correct
15 Correct 64 ms 18224 KB Output is correct
16 Correct 90 ms 18064 KB Output is correct
17 Correct 84 ms 18192 KB Output is correct
18 Correct 51 ms 18320 KB Output is correct
19 Correct 59 ms 18064 KB Output is correct
20 Correct 64 ms 18192 KB Output is correct
21 Correct 74 ms 18320 KB Output is correct
22 Correct 88 ms 18064 KB Output is correct
23 Correct 60 ms 18064 KB Output is correct
24 Correct 78 ms 18064 KB Output is correct
25 Correct 84 ms 18064 KB Output is correct
26 Correct 54 ms 18064 KB Output is correct
27 Correct 61 ms 18192 KB Output is correct
28 Correct 62 ms 18064 KB Output is correct
29 Correct 68 ms 18064 KB Output is correct
30 Correct 79 ms 18064 KB Output is correct
31 Correct 63 ms 18064 KB Output is correct
32 Correct 93 ms 18064 KB Output is correct
33 Correct 85 ms 18064 KB Output is correct
34 Correct 52 ms 17992 KB Output is correct
35 Correct 78 ms 18064 KB Output is correct
36 Correct 77 ms 18064 KB Output is correct
37 Correct 77 ms 18064 KB Output is correct
38 Correct 77 ms 18064 KB Output is correct
39 Correct 77 ms 18064 KB Output is correct
40 Correct 77 ms 18064 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 269 ms 4460 KB Output is correct
12 Correct 295 ms 3948 KB Output is correct
13 Correct 271 ms 3308 KB Output is correct
14 Correct 262 ms 3436 KB Output is correct
15 Correct 317 ms 4588 KB Output is correct
16 Correct 286 ms 3692 KB Output is correct
17 Correct 299 ms 3564 KB Output is correct
18 Correct 199 ms 5484 KB Output is correct
19 Correct 228 ms 2540 KB Output is correct
20 Correct 292 ms 4076 KB Output is correct
21 Correct 265 ms 4588 KB Output is correct
22 Correct 358 ms 4844 KB Output is correct
23 Correct 329 ms 3820 KB Output is correct
24 Correct 313 ms 3692 KB Output is correct
25 Correct 290 ms 5484 KB Output is correct
26 Correct 341 ms 4204 KB Output is correct
27 Correct 336 ms 4084 KB Output is correct
28 Correct 218 ms 6508 KB Output is correct
29 Correct 261 ms 2540 KB Output is correct
30 Correct 310 ms 4716 KB Output is correct
31 Correct 371 ms 4588 KB Output is correct
32 Correct 331 ms 4588 KB Output is correct
33 Correct 277 ms 3564 KB Output is correct
34 Correct 314 ms 3692 KB Output is correct
35 Correct 348 ms 4076 KB Output is correct
36 Correct 205 ms 2684 KB Output is correct
37 Correct 348 ms 4588 KB Output is correct
38 Correct 269 ms 2668 KB Output is correct
39 Correct 310 ms 3756 KB Output is correct
40 Correct 310 ms 3564 KB Output is correct
41 Correct 63 ms 18192 KB Output is correct
42 Correct 65 ms 18320 KB Output is correct
43 Correct 70 ms 18064 KB Output is correct
44 Correct 90 ms 18096 KB Output is correct
45 Correct 64 ms 18224 KB Output is correct
46 Correct 90 ms 18064 KB Output is correct
47 Correct 84 ms 18192 KB Output is correct
48 Correct 51 ms 18320 KB Output is correct
49 Correct 59 ms 18064 KB Output is correct
50 Correct 64 ms 18192 KB Output is correct
51 Correct 74 ms 18320 KB Output is correct
52 Correct 88 ms 18064 KB Output is correct
53 Correct 60 ms 18064 KB Output is correct
54 Correct 78 ms 18064 KB Output is correct
55 Correct 84 ms 18064 KB Output is correct
56 Correct 54 ms 18064 KB Output is correct
57 Correct 61 ms 18192 KB Output is correct
58 Correct 62 ms 18064 KB Output is correct
59 Correct 68 ms 18064 KB Output is correct
60 Correct 79 ms 18064 KB Output is correct
61 Correct 63 ms 18064 KB Output is correct
62 Correct 93 ms 18064 KB Output is correct
63 Correct 85 ms 18064 KB Output is correct
64 Correct 52 ms 17992 KB Output is correct
65 Correct 78 ms 18064 KB Output is correct
66 Correct 77 ms 18064 KB Output is correct
67 Correct 77 ms 18064 KB Output is correct
68 Correct 77 ms 18064 KB Output is correct
69 Correct 77 ms 18064 KB Output is correct
70 Correct 77 ms 18064 KB Output is correct
71 Correct 463 ms 22928 KB Output is correct
72 Correct 547 ms 23056 KB Output is correct
73 Correct 623 ms 21580 KB Output is correct
74 Correct 1018 ms 22140 KB Output is correct
75 Correct 495 ms 24080 KB Output is correct
76 Correct 1071 ms 22416 KB Output is correct
77 Correct 925 ms 22160 KB Output is correct
78 Correct 282 ms 26000 KB Output is correct
79 Correct 419 ms 20048 KB Output is correct
80 Correct 491 ms 23180 KB Output is correct
81 Correct 686 ms 23092 KB Output is correct
82 Correct 1010 ms 22160 KB Output is correct
83 Correct 423 ms 21264 KB Output is correct
84 Correct 756 ms 22000 KB Output is correct
85 Correct 914 ms 22308 KB Output is correct
86 Correct 270 ms 19984 KB Output is correct
87 Correct 473 ms 23056 KB Output is correct
88 Correct 433 ms 20012 KB Output is correct
89 Correct 598 ms 21648 KB Output is correct
90 Correct 790 ms 22032 KB Output is correct
91 Correct 446 ms 21264 KB Output is correct
92 Correct 1077 ms 22416 KB Output is correct
93 Correct 916 ms 22416 KB Output is correct
94 Correct 277 ms 20016 KB Output is correct
95 Correct 768 ms 22160 KB Output is correct
96 Correct 769 ms 22160 KB Output is correct
97 Correct 781 ms 22308 KB Output is correct
98 Correct 771 ms 22064 KB Output is correct
99 Correct 762 ms 22288 KB Output is correct
100 Correct 760 ms 22032 KB Output is correct