oj.uz

Submission #1030715

# Submission time Handle Problem Language Result Execution time Memory
1030715 2024-07-22T09:01:05 Z _callmelucian Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
 487 ms 42204 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pl;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tt;

#define all(a) a.begin(), a.end()
#define filter(a) a.erase(unique(all(a)), a.end())

int toxic[1 << 20], sosSub[1 << 20], sosSuper[1 << 20];

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

    int k, Q; cin >> k >> Q;
    for (int i = 0; i < (1 << k); i++) {
        char c; cin >> c;
        toxic[i] = sosSub[i] = sosSuper[i] = c - '0';
    }

    for (int i = 0; i < k; i++) {
        for (int mask = 0; mask < (1 << k); mask++) {
            if (mask & (1 << i)) sosSub[mask] += sosSub[mask ^ (1 << i)];
            else sosSuper[mask] += sosSuper[mask ^ (1 << i)];
        }
    }

    int full = (1 << k) - 1;
    while (Q--) {
        string s; cin >> s;
        reverse(all(s));

        int maskZ = 0, maskO = 0, maskQ = 0;
        for (int i = 0; i < s.size(); i++) {
            if (s[i] == '0') maskZ |= (1 << i);
            if (s[i] == '1') maskO |= (1 << i);
            if (s[i] == '?') maskQ |= (1 << i);
        }

        if (__builtin_popcount(maskQ) < 7) {
            int ans = 0;
            for (int sub = maskQ; sub; sub = (sub - 1) & maskQ)
                ans += toxic[sub | maskO];
            cout << ans + toxic[maskO] << "\n";
        }
        else if (__builtin_popcount(maskZ) < 7) {
            int ans = sosSuper[maskO];
            for (int sub = maskZ; sub; sub = (sub - 1) & maskZ) {
                if (__builtin_parity(sub)) ans -= sosSuper[sub | maskO];
                else ans += sosSuper[sub | maskO];
            }
            cout << ans << "\n";
        }
        else if (__builtin_popcount(maskO) < 7) {
            int ans = sosSub[maskO | maskQ];
            for (int sub = maskO; sub; sub = (sub - 1) & maskO) {
                int inv = maskO ^ sub;
                if (__builtin_parity(sub)) ans -= sosSub[inv | maskQ];
                else ans += sosSub[inv | maskQ];
            }
            cout << ans << "\n";
        }
    }

    return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for (int i = 0; i < s.size(); i++) {
      |                         ~~^~~~~~~~~~
snake_escaping.cpp:33:9: warning: unused variable 'full' [-Wunused-variable]
   33 |     int full = (1 << k) - 1;
      |         ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4452 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4452 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 205 ms 19112 KB Output is correct
12 Correct 195 ms 18840 KB Output is correct
13 Correct 187 ms 18256 KB Output is correct
14 Correct 169 ms 18240 KB Output is correct
15 Correct 227 ms 19188 KB Output is correct
16 Correct 196 ms 18640 KB Output is correct
17 Correct 194 ms 18252 KB Output is correct
18 Correct 125 ms 20272 KB Output is correct
19 Correct 189 ms 17232 KB Output is correct
20 Correct 191 ms 18772 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4452 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 205 ms 19112 KB Output is correct
12 Correct 195 ms 18840 KB Output is correct
13 Correct 187 ms 18256 KB Output is correct
14 Correct 169 ms 18240 KB Output is correct
15 Correct 227 ms 19188 KB Output is correct
16 Correct 196 ms 18640 KB Output is correct
17 Correct 194 ms 18252 KB Output is correct
18 Correct 125 ms 20272 KB Output is correct
19 Correct 189 ms 17232 KB Output is correct
20 Correct 191 ms 18772 KB Output is correct
21 Correct 190 ms 22100 KB Output is correct
22 Correct 240 ms 22248 KB Output is correct
23 Correct 235 ms 21332 KB Output is correct
24 Correct 203 ms 21168 KB Output is correct
25 Correct 195 ms 23144 KB Output is correct
26 Correct 191 ms 21588 KB Output is correct
27 Correct 231 ms 21664 KB Output is correct
28 Correct 120 ms 24096 KB Output is correct
29 Correct 147 ms 20436 KB Output is correct
30 Correct 185 ms 22360 KB Output is correct
31 Correct 214 ms 22100 KB Output is correct
32 Correct 244 ms 22100 KB Output is correct
33 Correct 194 ms 21172 KB Output is correct
34 Correct 199 ms 21184 KB Output is correct
35 Correct 226 ms 21616 KB Output is correct
36 Correct 136 ms 20280 KB Output is correct
37 Correct 219 ms 22100 KB Output is correct
38 Correct 174 ms 20200 KB Output is correct
39 Correct 220 ms 21468 KB Output is correct
40 Correct 199 ms 21072 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4452 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 34 ms 14932 KB Output is correct
12 Correct 52 ms 14928 KB Output is correct
13 Correct 39 ms 14928 KB Output is correct
14 Correct 42 ms 14932 KB Output is correct
15 Correct 35 ms 14940 KB Output is correct
16 Correct 47 ms 14988 KB Output is correct
17 Correct 50 ms 14928 KB Output is correct
18 Correct 47 ms 15032 KB Output is correct
19 Correct 45 ms 14672 KB Output is correct
20 Correct 33 ms 14928 KB Output is correct
21 Correct 40 ms 15052 KB Output is correct
22 Correct 44 ms 14788 KB Output is correct
23 Correct 32 ms 14928 KB Output is correct
24 Correct 40 ms 14932 KB Output is correct
25 Correct 58 ms 14780 KB Output is correct
26 Correct 40 ms 14780 KB Output is correct
27 Correct 37 ms 14928 KB Output is correct
28 Correct 31 ms 14672 KB Output is correct
29 Correct 65 ms 14932 KB Output is correct
30 Correct 39 ms 14792 KB Output is correct
31 Correct 36 ms 14796 KB Output is correct
32 Correct 48 ms 15116 KB Output is correct
33 Correct 42 ms 14932 KB Output is correct
34 Correct 54 ms 14676 KB Output is correct
35 Correct 37 ms 14932 KB Output is correct
36 Correct 34 ms 14932 KB Output is correct
37 Correct 66 ms 14788 KB Output is correct
38 Correct 59 ms 14932 KB Output is correct
39 Correct 35 ms 14936 KB Output is correct
40 Correct 36 ms 14820 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4452 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 205 ms 19112 KB Output is correct
12 Correct 195 ms 18840 KB Output is correct
13 Correct 187 ms 18256 KB Output is correct
14 Correct 169 ms 18240 KB Output is correct
15 Correct 227 ms 19188 KB Output is correct
16 Correct 196 ms 18640 KB Output is correct
17 Correct 194 ms 18252 KB Output is correct
18 Correct 125 ms 20272 KB Output is correct
19 Correct 189 ms 17232 KB Output is correct
20 Correct 191 ms 18772 KB Output is correct
21 Correct 190 ms 22100 KB Output is correct
22 Correct 240 ms 22248 KB Output is correct
23 Correct 235 ms 21332 KB Output is correct
24 Correct 203 ms 21168 KB Output is correct
25 Correct 195 ms 23144 KB Output is correct
26 Correct 191 ms 21588 KB Output is correct
27 Correct 231 ms 21664 KB Output is correct
28 Correct 120 ms 24096 KB Output is correct
29 Correct 147 ms 20436 KB Output is correct
30 Correct 185 ms 22360 KB Output is correct
31 Correct 214 ms 22100 KB Output is correct
32 Correct 244 ms 22100 KB Output is correct
33 Correct 194 ms 21172 KB Output is correct
34 Correct 199 ms 21184 KB Output is correct
35 Correct 226 ms 21616 KB Output is correct
36 Correct 136 ms 20280 KB Output is correct
37 Correct 219 ms 22100 KB Output is correct
38 Correct 174 ms 20200 KB Output is correct
39 Correct 220 ms 21468 KB Output is correct
40 Correct 199 ms 21072 KB Output is correct
41 Correct 34 ms 14932 KB Output is correct
42 Correct 52 ms 14928 KB Output is correct
43 Correct 39 ms 14928 KB Output is correct
44 Correct 42 ms 14932 KB Output is correct
45 Correct 35 ms 14940 KB Output is correct
46 Correct 47 ms 14988 KB Output is correct
47 Correct 50 ms 14928 KB Output is correct
48 Correct 47 ms 15032 KB Output is correct
49 Correct 45 ms 14672 KB Output is correct
50 Correct 33 ms 14928 KB Output is correct
51 Correct 40 ms 15052 KB Output is correct
52 Correct 44 ms 14788 KB Output is correct
53 Correct 32 ms 14928 KB Output is correct
54 Correct 40 ms 14932 KB Output is correct
55 Correct 58 ms 14780 KB Output is correct
56 Correct 40 ms 14780 KB Output is correct
57 Correct 37 ms 14928 KB Output is correct
58 Correct 31 ms 14672 KB Output is correct
59 Correct 65 ms 14932 KB Output is correct
60 Correct 39 ms 14792 KB Output is correct
61 Correct 36 ms 14796 KB Output is correct
62 Correct 48 ms 15116 KB Output is correct
63 Correct 42 ms 14932 KB Output is correct
64 Correct 54 ms 14676 KB Output is correct
65 Correct 37 ms 14932 KB Output is correct
66 Correct 34 ms 14932 KB Output is correct
67 Correct 66 ms 14788 KB Output is correct
68 Correct 59 ms 14932 KB Output is correct
69 Correct 35 ms 14936 KB Output is correct
70 Correct 36 ms 14820 KB Output is correct
71 Correct 296 ms 39192 KB Output is correct
72 Correct 313 ms 39464 KB Output is correct
73 Correct 360 ms 37848 KB Output is correct
74 Correct 458 ms 38348 KB Output is correct
75 Correct 259 ms 40208 KB Output is correct
76 Correct 412 ms 38636 KB Output is correct
77 Correct 394 ms 38492 KB Output is correct
78 Correct 187 ms 42204 KB Output is correct
79 Correct 325 ms 36212 KB Output is correct
80 Correct 281 ms 39508 KB Output is correct
81 Correct 364 ms 39228 KB Output is correct
82 Correct 487 ms 38136 KB Output is correct
83 Correct 260 ms 37460 KB Output is correct
84 Correct 435 ms 38140 KB Output is correct
85 Correct 407 ms 38540 KB Output is correct
86 Correct 237 ms 36296 KB Output is correct
87 Correct 312 ms 39256 KB Output is correct
88 Correct 284 ms 36184 KB Output is correct
89 Correct 321 ms 37972 KB Output is correct
90 Correct 459 ms 38168 KB Output is correct
91 Correct 293 ms 37444 KB Output is correct
92 Correct 421 ms 38484 KB Output is correct
93 Correct 361 ms 38484 KB Output is correct
94 Correct 230 ms 36084 KB Output is correct
95 Correct 369 ms 38228 KB Output is correct
96 Correct 308 ms 38228 KB Output is correct
97 Correct 340 ms 38340 KB Output is correct
98 Correct 383 ms 38224 KB Output is correct
99 Correct 370 ms 38228 KB Output is correct
100 Correct 354 ms 38412 KB Output is correct