oj.uz

Submission #600740

# Submission time Handle Problem Language Result Execution time Memory
600740 2022-07-21T07:33:27 Z pakhomovee Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 940 ms 47464 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <random>
#include <iomanip>
#include <cassert>
#include <numeric>
#include <deque>
#include <functional>
#include <set>
#include <queue>
#include <unordered_map>
#include <map>
#include <bitset>
#include <iomanip>
#include <complex>
 
using namespace std;

const int maxn = 1 << 20;
int val[maxn];  //  just the value
int dir[maxn];  //  direct sum of subsets
int rev[maxn];  //  reversed sum of subsets (i -> ~i transform)
int popcnt[maxn];

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    for (int i = 1; i < maxn; ++i) {
        popcnt[i] = popcnt[i / 2] + (i & 1);
    }
    int l, q;
    cin >> l >> q;
    const int n = 1 << l;
    string s;
    cin >> s;
    for (int i = 0; i < n; ++i) {
        val[i] = dir[i] = rev[((1 << l) - 1) ^ i] = s[i] - '0';
    }
    for (int bit = 0; bit < l; ++bit) {
        for (int mask = 0; mask < (1 << l); ++mask) {
            if ((1 << bit) & mask) {
                dir[mask] += dir[mask ^ (1 << bit)];
                rev[mask] += rev[mask ^ (1 << bit)];
            }
        }
    }
    while (q--) {
        int mask0 = 0, mask1 = 0, mask2 = 0;
        string t;
        cin >> t;
        reverse(t.begin(), t.end());
        for (int i = 0; i < l; ++i) {
            if (t[i] == '0') mask0 |= (1 << i);
            else if (t[i] == '1') mask1 |= (1 << i);
            else mask2 |= (1 << i);
        }
        int ans = 0;
        if (popcnt[mask0] <= 6) {
            for (int mask = mask0; mask; mask = mask0 & (mask - 1)) ans += rev[mask | mask2] * (popcnt[mask ^ mask0] & 1 ? -1 : 1);
            ans += rev[mask2] * (popcnt[mask0] & 1 ? -1 : 1);
        } else if (popcnt[mask1] <= 6) {
            for (int mask = mask1; mask; mask = mask1 & (mask - 1)) ans += dir[mask | mask2] * (popcnt[mask ^ mask1] & 1 ? -1 : 1);
            ans += dir[mask2] * (popcnt[mask1] & 1 ? -1 : 1);
        } else {
            for (int mask = mask2; mask; mask = mask2 & (mask - 1)) ans += val[mask1 | mask];
            ans += val[mask1];
        }
        cout << ans << '\n';
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4436 KB Output is correct
2 Correct 3 ms 4436 KB Output is correct
3 Correct 3 ms 4436 KB Output is correct
4 Correct 3 ms 4436 KB Output is correct
5 Correct 4 ms 4440 KB Output is correct
6 Correct 6 ms 4436 KB Output is correct
7 Correct 5 ms 4436 KB Output is correct
8 Correct 4 ms 4436 KB Output is correct
9 Correct 5 ms 4436 KB Output is correct
10 Correct 4 ms 4440 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4436 KB Output is correct
2 Correct 3 ms 4436 KB Output is correct
3 Correct 3 ms 4436 KB Output is correct
4 Correct 3 ms 4436 KB Output is correct
5 Correct 4 ms 4440 KB Output is correct
6 Correct 6 ms 4436 KB Output is correct
7 Correct 5 ms 4436 KB Output is correct
8 Correct 4 ms 4436 KB Output is correct
9 Correct 5 ms 4436 KB Output is correct
10 Correct 4 ms 4440 KB Output is correct
11 Correct 252 ms 19136 KB Output is correct
12 Correct 279 ms 18804 KB Output is correct
13 Correct 335 ms 18048 KB Output is correct
14 Correct 265 ms 18100 KB Output is correct
15 Correct 300 ms 19116 KB Output is correct
16 Correct 287 ms 18324 KB Output is correct
17 Correct 329 ms 18316 KB Output is correct
18 Correct 232 ms 20112 KB Output is correct
19 Correct 269 ms 17168 KB Output is correct
20 Correct 243 ms 18868 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4436 KB Output is correct
2 Correct 3 ms 4436 KB Output is correct
3 Correct 3 ms 4436 KB Output is correct
4 Correct 3 ms 4436 KB Output is correct
5 Correct 4 ms 4440 KB Output is correct
6 Correct 6 ms 4436 KB Output is correct
7 Correct 5 ms 4436 KB Output is correct
8 Correct 4 ms 4436 KB Output is correct
9 Correct 5 ms 4436 KB Output is correct
10 Correct 4 ms 4440 KB Output is correct
11 Correct 252 ms 19136 KB Output is correct
12 Correct 279 ms 18804 KB Output is correct
13 Correct 335 ms 18048 KB Output is correct
14 Correct 265 ms 18100 KB Output is correct
15 Correct 300 ms 19116 KB Output is correct
16 Correct 287 ms 18324 KB Output is correct
17 Correct 329 ms 18316 KB Output is correct
18 Correct 232 ms 20112 KB Output is correct
19 Correct 269 ms 17168 KB Output is correct
20 Correct 243 ms 18868 KB Output is correct
21 Correct 255 ms 22196 KB Output is correct
22 Correct 294 ms 22360 KB Output is correct
23 Correct 455 ms 21440 KB Output is correct
24 Correct 300 ms 21256 KB Output is correct
25 Correct 250 ms 23272 KB Output is correct
26 Correct 309 ms 21660 KB Output is correct
27 Correct 317 ms 21636 KB Output is correct
28 Correct 171 ms 24268 KB Output is correct
29 Correct 346 ms 20364 KB Output is correct
30 Correct 230 ms 22416 KB Output is correct
31 Correct 294 ms 22224 KB Output is correct
32 Correct 269 ms 22216 KB Output is correct
33 Correct 255 ms 21136 KB Output is correct
34 Correct 288 ms 21240 KB Output is correct
35 Correct 332 ms 21664 KB Output is correct
36 Correct 200 ms 20200 KB Output is correct
37 Correct 215 ms 22268 KB Output is correct
38 Correct 298 ms 20348 KB Output is correct
39 Correct 258 ms 21364 KB Output is correct
40 Correct 285 ms 21240 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4436 KB Output is correct
2 Correct 3 ms 4436 KB Output is correct
3 Correct 3 ms 4436 KB Output is correct
4 Correct 3 ms 4436 KB Output is correct
5 Correct 4 ms 4440 KB Output is correct
6 Correct 6 ms 4436 KB Output is correct
7 Correct 5 ms 4436 KB Output is correct
8 Correct 4 ms 4436 KB Output is correct
9 Correct 5 ms 4436 KB Output is correct
10 Correct 4 ms 4440 KB Output is correct
11 Correct 48 ms 20184 KB Output is correct
12 Correct 58 ms 20092 KB Output is correct
13 Correct 67 ms 20068 KB Output is correct
14 Correct 63 ms 20076 KB Output is correct
15 Correct 52 ms 20180 KB Output is correct
16 Correct 81 ms 20040 KB Output is correct
17 Correct 66 ms 20176 KB Output is correct
18 Correct 42 ms 20332 KB Output is correct
19 Correct 48 ms 20016 KB Output is correct
20 Correct 56 ms 20144 KB Output is correct
21 Correct 54 ms 20096 KB Output is correct
22 Correct 65 ms 20044 KB Output is correct
23 Correct 48 ms 20060 KB Output is correct
24 Correct 66 ms 20148 KB Output is correct
25 Correct 68 ms 20044 KB Output is correct
26 Correct 54 ms 19988 KB Output is correct
27 Correct 56 ms 20140 KB Output is correct
28 Correct 51 ms 19948 KB Output is correct
29 Correct 57 ms 20016 KB Output is correct
30 Correct 69 ms 20036 KB Output is correct
31 Correct 73 ms 20044 KB Output is correct
32 Correct 67 ms 20128 KB Output is correct
33 Correct 67 ms 20136 KB Output is correct
34 Correct 47 ms 19916 KB Output is correct
35 Correct 85 ms 20128 KB Output is correct
36 Correct 61 ms 20044 KB Output is correct
37 Correct 64 ms 20064 KB Output is correct
38 Correct 59 ms 20120 KB Output is correct
39 Correct 63 ms 20048 KB Output is correct
40 Correct 76 ms 20088 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4436 KB Output is correct
2 Correct 3 ms 4436 KB Output is correct
3 Correct 3 ms 4436 KB Output is correct
4 Correct 3 ms 4436 KB Output is correct
5 Correct 4 ms 4440 KB Output is correct
6 Correct 6 ms 4436 KB Output is correct
7 Correct 5 ms 4436 KB Output is correct
8 Correct 4 ms 4436 KB Output is correct
9 Correct 5 ms 4436 KB Output is correct
10 Correct 4 ms 4440 KB Output is correct
11 Correct 252 ms 19136 KB Output is correct
12 Correct 279 ms 18804 KB Output is correct
13 Correct 335 ms 18048 KB Output is correct
14 Correct 265 ms 18100 KB Output is correct
15 Correct 300 ms 19116 KB Output is correct
16 Correct 287 ms 18324 KB Output is correct
17 Correct 329 ms 18316 KB Output is correct
18 Correct 232 ms 20112 KB Output is correct
19 Correct 269 ms 17168 KB Output is correct
20 Correct 243 ms 18868 KB Output is correct
21 Correct 255 ms 22196 KB Output is correct
22 Correct 294 ms 22360 KB Output is correct
23 Correct 455 ms 21440 KB Output is correct
24 Correct 300 ms 21256 KB Output is correct
25 Correct 250 ms 23272 KB Output is correct
26 Correct 309 ms 21660 KB Output is correct
27 Correct 317 ms 21636 KB Output is correct
28 Correct 171 ms 24268 KB Output is correct
29 Correct 346 ms 20364 KB Output is correct
30 Correct 230 ms 22416 KB Output is correct
31 Correct 294 ms 22224 KB Output is correct
32 Correct 269 ms 22216 KB Output is correct
33 Correct 255 ms 21136 KB Output is correct
34 Correct 288 ms 21240 KB Output is correct
35 Correct 332 ms 21664 KB Output is correct
36 Correct 200 ms 20200 KB Output is correct
37 Correct 215 ms 22268 KB Output is correct
38 Correct 298 ms 20348 KB Output is correct
39 Correct 258 ms 21364 KB Output is correct
40 Correct 285 ms 21240 KB Output is correct
41 Correct 48 ms 20184 KB Output is correct
42 Correct 58 ms 20092 KB Output is correct
43 Correct 67 ms 20068 KB Output is correct
44 Correct 63 ms 20076 KB Output is correct
45 Correct 52 ms 20180 KB Output is correct
46 Correct 81 ms 20040 KB Output is correct
47 Correct 66 ms 20176 KB Output is correct
48 Correct 42 ms 20332 KB Output is correct
49 Correct 48 ms 20016 KB Output is correct
50 Correct 56 ms 20144 KB Output is correct
51 Correct 54 ms 20096 KB Output is correct
52 Correct 65 ms 20044 KB Output is correct
53 Correct 48 ms 20060 KB Output is correct
54 Correct 66 ms 20148 KB Output is correct
55 Correct 68 ms 20044 KB Output is correct
56 Correct 54 ms 19988 KB Output is correct
57 Correct 56 ms 20140 KB Output is correct
58 Correct 51 ms 19948 KB Output is correct
59 Correct 57 ms 20016 KB Output is correct
60 Correct 69 ms 20036 KB Output is correct
61 Correct 73 ms 20044 KB Output is correct
62 Correct 67 ms 20128 KB Output is correct
63 Correct 67 ms 20136 KB Output is correct
64 Correct 47 ms 19916 KB Output is correct
65 Correct 85 ms 20128 KB Output is correct
66 Correct 61 ms 20044 KB Output is correct
67 Correct 64 ms 20064 KB Output is correct
68 Correct 59 ms 20120 KB Output is correct
69 Correct 63 ms 20048 KB Output is correct
70 Correct 76 ms 20088 KB Output is correct
71 Correct 357 ms 44440 KB Output is correct
72 Correct 439 ms 44632 KB Output is correct
73 Correct 601 ms 43128 KB Output is correct
74 Correct 721 ms 43452 KB Output is correct
75 Correct 474 ms 45372 KB Output is correct
76 Correct 726 ms 43768 KB Output is correct
77 Correct 800 ms 43568 KB Output is correct
78 Correct 300 ms 47464 KB Output is correct
79 Correct 477 ms 41412 KB Output is correct
80 Correct 430 ms 44512 KB Output is correct
81 Correct 635 ms 44440 KB Output is correct
82 Correct 876 ms 43412 KB Output is correct
83 Correct 434 ms 42636 KB Output is correct
84 Correct 940 ms 43352 KB Output is correct
85 Correct 764 ms 43596 KB Output is correct
86 Correct 297 ms 41360 KB Output is correct
87 Correct 391 ms 44408 KB Output is correct
88 Correct 518 ms 41460 KB Output is correct
89 Correct 566 ms 43124 KB Output is correct
90 Correct 579 ms 43472 KB Output is correct
91 Correct 478 ms 42584 KB Output is correct
92 Correct 901 ms 43724 KB Output is correct
93 Correct 715 ms 43580 KB Output is correct
94 Correct 252 ms 41340 KB Output is correct
95 Correct 627 ms 43444 KB Output is correct
96 Correct 668 ms 43416 KB Output is correct
97 Correct 657 ms 43492 KB Output is correct
98 Correct 625 ms 43600 KB Output is correct
99 Correct 637 ms 43532 KB Output is correct
100 Correct 626 ms 43572 KB Output is correct