oj.uz

Submission #965420

# Submission time Handle Problem Language Result Execution time Memory
965420 2024-04-18T13:42:56 Z four_specks Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 551 ms 43460 KB 
#include <bits/stdc++.h>

using namespace std;

namespace {}

void solve() {
  int h, q;
  cin >> h >> q;
  uint32_t n = 1 << h;
  string a;
  cin >> a;
  vector<int> b(n);
  for (uint32_t x = 0; x < n; x++) {
    b[x] = a[x] - '0';
  }
  vector dp_sub = b, dp_super = b;
  for (int s = 0; s < h; s++) {
    for (uint32_t x = n; x + 1 > 0; x--) {
      if (x >> s & 1) {
        dp_sub[x] += dp_sub[x ^ (1u << s)];
      }
    }
    for (uint32_t x = 0; x < n; x++) {
      if (!(x >> s & 1)) {
        dp_super[x] += dp_super[x | (1u << s)];
      }
    }
  }
  for (int i = 0; i < q; i++) {
    string t;
    cin >> t;
    reverse(t.begin(), t.end());
    array<uint32_t, 3> v;
    v.fill(0);
    for (int s = 0; s < h; s++) {
      if (t[s] == '0') {
        v[0] |= 1u << s;
      } else if (t[s] == '1') {
        v[1] |= 1u << s;
      } else {
        v[2] |= 1u << s;
      }
    }
    int ans = 0;
    {
      auto it = min_element(v.begin(), v.end(), [&](uint32_t x, uint32_t y) -> bool {
        return __builtin_popcount(x) < __builtin_popcount(y);
      });
      int p = distance(v.begin(), it);
      for (uint32_t x = v[p];; x = (x - 1) & v[p]) {
        if (p == 2) {
          ans += b[v[1] | x];
        } else {
          int term = p == 1 ? dp_sub[(v[1] ^ x) | v[2]] : dp_super[v[1] | x];
          if (__builtin_parity(x) == 0) {
            ans += term;
          } else {
            ans -= term;
          }
        }
        if (x == 0) {
          break;
        }
      }
    }
    cout << ans << '\n';
  }
}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);

  solve();

  return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 464 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 484 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 464 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 484 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 190 ms 14852 KB Output is correct
12 Correct 182 ms 14420 KB Output is correct
13 Correct 219 ms 13904 KB Output is correct
14 Correct 214 ms 13864 KB Output is correct
15 Correct 197 ms 14908 KB Output is correct
16 Correct 218 ms 13908 KB Output is correct
17 Correct 221 ms 13904 KB Output is correct
18 Correct 141 ms 15956 KB Output is correct
19 Correct 196 ms 12880 KB Output is correct
20 Correct 186 ms 14420 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 464 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 484 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 190 ms 14852 KB Output is correct
12 Correct 182 ms 14420 KB Output is correct
13 Correct 219 ms 13904 KB Output is correct
14 Correct 214 ms 13864 KB Output is correct
15 Correct 197 ms 14908 KB Output is correct
16 Correct 218 ms 13908 KB Output is correct
17 Correct 221 ms 13904 KB Output is correct
18 Correct 141 ms 15956 KB Output is correct
19 Correct 196 ms 12880 KB Output is correct
20 Correct 186 ms 14420 KB Output is correct
21 Correct 200 ms 17564 KB Output is correct
22 Correct 212 ms 17684 KB Output is correct
23 Correct 244 ms 16820 KB Output is correct
24 Correct 262 ms 16724 KB Output is correct
25 Correct 215 ms 18512 KB Output is correct
26 Correct 259 ms 17160 KB Output is correct
27 Correct 260 ms 17104 KB Output is correct
28 Correct 155 ms 19688 KB Output is correct
29 Correct 206 ms 15552 KB Output is correct
30 Correct 220 ms 17732 KB Output is correct
31 Correct 265 ms 17488 KB Output is correct
32 Correct 259 ms 17748 KB Output is correct
33 Correct 216 ms 16548 KB Output is correct
34 Correct 262 ms 16700 KB Output is correct
35 Correct 260 ms 16976 KB Output is correct
36 Correct 160 ms 15664 KB Output is correct
37 Correct 192 ms 17492 KB Output is correct
38 Correct 218 ms 15520 KB Output is correct
39 Correct 241 ms 16916 KB Output is correct
40 Correct 280 ms 16640 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 464 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 484 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 52 ms 15980 KB Output is correct
12 Correct 49 ms 16172 KB Output is correct
13 Correct 53 ms 16108 KB Output is correct
14 Correct 61 ms 15964 KB Output is correct
15 Correct 60 ms 16036 KB Output is correct
16 Correct 62 ms 16168 KB Output is correct
17 Correct 68 ms 15956 KB Output is correct
18 Correct 47 ms 16116 KB Output is correct
19 Correct 56 ms 15956 KB Output is correct
20 Correct 49 ms 16116 KB Output is correct
21 Correct 51 ms 16112 KB Output is correct
22 Correct 60 ms 16112 KB Output is correct
23 Correct 50 ms 15952 KB Output is correct
24 Correct 70 ms 15956 KB Output is correct
25 Correct 55 ms 16064 KB Output is correct
26 Correct 45 ms 15948 KB Output is correct
27 Correct 49 ms 16112 KB Output is correct
28 Correct 62 ms 15952 KB Output is correct
29 Correct 52 ms 16112 KB Output is correct
30 Correct 57 ms 15972 KB Output is correct
31 Correct 50 ms 16116 KB Output is correct
32 Correct 57 ms 16112 KB Output is correct
33 Correct 77 ms 16328 KB Output is correct
34 Correct 45 ms 16028 KB Output is correct
35 Correct 67 ms 16116 KB Output is correct
36 Correct 55 ms 16116 KB Output is correct
37 Correct 55 ms 16116 KB Output is correct
38 Correct 55 ms 16116 KB Output is correct
39 Correct 55 ms 16080 KB Output is correct
40 Correct 54 ms 16116 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 464 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 484 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 190 ms 14852 KB Output is correct
12 Correct 182 ms 14420 KB Output is correct
13 Correct 219 ms 13904 KB Output is correct
14 Correct 214 ms 13864 KB Output is correct
15 Correct 197 ms 14908 KB Output is correct
16 Correct 218 ms 13908 KB Output is correct
17 Correct 221 ms 13904 KB Output is correct
18 Correct 141 ms 15956 KB Output is correct
19 Correct 196 ms 12880 KB Output is correct
20 Correct 186 ms 14420 KB Output is correct
21 Correct 200 ms 17564 KB Output is correct
22 Correct 212 ms 17684 KB Output is correct
23 Correct 244 ms 16820 KB Output is correct
24 Correct 262 ms 16724 KB Output is correct
25 Correct 215 ms 18512 KB Output is correct
26 Correct 259 ms 17160 KB Output is correct
27 Correct 260 ms 17104 KB Output is correct
28 Correct 155 ms 19688 KB Output is correct
29 Correct 206 ms 15552 KB Output is correct
30 Correct 220 ms 17732 KB Output is correct
31 Correct 265 ms 17488 KB Output is correct
32 Correct 259 ms 17748 KB Output is correct
33 Correct 216 ms 16548 KB Output is correct
34 Correct 262 ms 16700 KB Output is correct
35 Correct 260 ms 16976 KB Output is correct
36 Correct 160 ms 15664 KB Output is correct
37 Correct 192 ms 17492 KB Output is correct
38 Correct 218 ms 15520 KB Output is correct
39 Correct 241 ms 16916 KB Output is correct
40 Correct 280 ms 16640 KB Output is correct
41 Correct 52 ms 15980 KB Output is correct
42 Correct 49 ms 16172 KB Output is correct
43 Correct 53 ms 16108 KB Output is correct
44 Correct 61 ms 15964 KB Output is correct
45 Correct 60 ms 16036 KB Output is correct
46 Correct 62 ms 16168 KB Output is correct
47 Correct 68 ms 15956 KB Output is correct
48 Correct 47 ms 16116 KB Output is correct
49 Correct 56 ms 15956 KB Output is correct
50 Correct 49 ms 16116 KB Output is correct
51 Correct 51 ms 16112 KB Output is correct
52 Correct 60 ms 16112 KB Output is correct
53 Correct 50 ms 15952 KB Output is correct
54 Correct 70 ms 15956 KB Output is correct
55 Correct 55 ms 16064 KB Output is correct
56 Correct 45 ms 15948 KB Output is correct
57 Correct 49 ms 16112 KB Output is correct
58 Correct 62 ms 15952 KB Output is correct
59 Correct 52 ms 16112 KB Output is correct
60 Correct 57 ms 15972 KB Output is correct
61 Correct 50 ms 16116 KB Output is correct
62 Correct 57 ms 16112 KB Output is correct
63 Correct 77 ms 16328 KB Output is correct
64 Correct 45 ms 16028 KB Output is correct
65 Correct 67 ms 16116 KB Output is correct
66 Correct 55 ms 16116 KB Output is correct
67 Correct 55 ms 16116 KB Output is correct
68 Correct 55 ms 16116 KB Output is correct
69 Correct 55 ms 16080 KB Output is correct
70 Correct 54 ms 16116 KB Output is correct
71 Correct 341 ms 40676 KB Output is correct
72 Correct 366 ms 40536 KB Output is correct
73 Correct 413 ms 38888 KB Output is correct
74 Correct 533 ms 39296 KB Output is correct
75 Correct 335 ms 41456 KB Output is correct
76 Correct 544 ms 39724 KB Output is correct
77 Correct 522 ms 39840 KB Output is correct
78 Correct 254 ms 43460 KB Output is correct
79 Correct 321 ms 37208 KB Output is correct
80 Correct 342 ms 40380 KB Output is correct
81 Correct 434 ms 40480 KB Output is correct
82 Correct 494 ms 39592 KB Output is correct
83 Correct 326 ms 38644 KB Output is correct
84 Correct 528 ms 39412 KB Output is correct
85 Correct 491 ms 39592 KB Output is correct
86 Correct 252 ms 37364 KB Output is correct
87 Correct 331 ms 40276 KB Output is correct
88 Correct 356 ms 37212 KB Output is correct
89 Correct 381 ms 38916 KB Output is correct
90 Correct 422 ms 39692 KB Output is correct
91 Correct 344 ms 38640 KB Output is correct
92 Correct 551 ms 39664 KB Output is correct
93 Correct 516 ms 39508 KB Output is correct
94 Correct 232 ms 37364 KB Output is correct
95 Correct 438 ms 39316 KB Output is correct
96 Correct 460 ms 39468 KB Output is correct
97 Correct 442 ms 39572 KB Output is correct
98 Correct 449 ms 39524 KB Output is correct
99 Correct 459 ms 39412 KB Output is correct
100 Correct 447 ms 39424 KB Output is correct