oj.uz

Submission #970551

# Submission time Handle Problem Language Result Execution time Memory
970551 2024-04-26T17:16:31 Z mychecksedad Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 599 ms 41484 KB 
/* Author : Mychecksdead  */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
const int N = 2e6+100, M = 1e5+10, K = 13, MX = 30;

int n, q, dp[N], dp2[N];
string s;
void solve(){
  cin >> n >> q >> s;
  for(int i = 0; i < (1<<n); ++i) dp[i] = dp2[i] = s[i] - '0';
  for(int i = 0; i < n; ++i){
    for(int mask = 0; mask < (1<<n); ++mask){
      if(((1<<i)&mask) == 0) dp[mask] += dp[(1<<i) ^ mask];
      if(((1<<i)&mask)) dp2[mask] += dp2[(1<<i) ^ mask];
    }
  }
  for(int i = 0; i < q; ++i){
    string t; cin >> t;
    int A = 0, B = 0, C = 0;
    for(int j = 0; j < n; ++j){
      if(t[n-j-1] == '0') A += (1<<j);
      if(t[n-j-1] == '1') B += (1<<j);
      if(t[n-j-1] == '?') C += (1<<j);
    }
    if(__builtin_popcount(C) <= 6){
      int ans = 0;
      for(int S = C; S > 0; S = (S-1)&C){
        ans += s[S | B] - '0';
      }
      ans += s[B] - '0';
      cout << ans << '\n';
    }else if(__builtin_popcount(A) <= 6){
      int ans = 0;
      for(int S = A; S > 0; S = (S-1)&A){
        ans += dp[B | S] * (__builtin_popcount(S) % 2 == 0 ? 1 : -1);
      }
      ans += dp[B];
      cout << ans << '\n';
    }else{
      int ans = 0;
      for(int S = B; S > 0; S = (S-1)&B){
        ans += dp2[S | C] * ((__builtin_popcount(B) - (int)__builtin_popcount(S)) % 2 == 0 ? 1 : -1);
      }
      ans += dp2[C] * ((__builtin_popcount(B)) % 2 == 0 ? 1 : -1);
      cout << ans << '\n';
    }
  }

}



int main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tt = 1, aa;
  // freopen("in.txt", "r", stdin);
  // freopen("out.txt", "w", stdout);
  // cin >> tt;
  while(tt--){
    solve();
    // en;
  }
  cerr<<"time taken : "<<(float)clock()/CLOCKS_PER_SEC<<" seconds\n";
  return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:61:15: warning: unused variable 'aa' [-Wunused-variable]
   61 |   int tt = 1, aa;
      |               ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 195 ms 6408 KB Output is correct
12 Correct 203 ms 5972 KB Output is correct
13 Correct 200 ms 5328 KB Output is correct
14 Correct 187 ms 5456 KB Output is correct
15 Correct 246 ms 6992 KB Output is correct
16 Correct 213 ms 5456 KB Output is correct
17 Correct 213 ms 5724 KB Output is correct
18 Correct 144 ms 7508 KB Output is correct
19 Correct 164 ms 4432 KB Output is correct
20 Correct 203 ms 5972 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 195 ms 6408 KB Output is correct
12 Correct 203 ms 5972 KB Output is correct
13 Correct 200 ms 5328 KB Output is correct
14 Correct 187 ms 5456 KB Output is correct
15 Correct 246 ms 6992 KB Output is correct
16 Correct 213 ms 5456 KB Output is correct
17 Correct 213 ms 5724 KB Output is correct
18 Correct 144 ms 7508 KB Output is correct
19 Correct 164 ms 4432 KB Output is correct
20 Correct 203 ms 5972 KB Output is correct
21 Correct 189 ms 6428 KB Output is correct
22 Correct 276 ms 6736 KB Output is correct
23 Correct 236 ms 5712 KB Output is correct
24 Correct 218 ms 5492 KB Output is correct
25 Correct 214 ms 7496 KB Output is correct
26 Correct 244 ms 5948 KB Output is correct
27 Correct 243 ms 5968 KB Output is correct
28 Correct 145 ms 8528 KB Output is correct
29 Correct 180 ms 4448 KB Output is correct
30 Correct 226 ms 6516 KB Output is correct
31 Correct 273 ms 6484 KB Output is correct
32 Correct 232 ms 6416 KB Output is correct
33 Correct 199 ms 5260 KB Output is correct
34 Correct 221 ms 5548 KB Output is correct
35 Correct 239 ms 5968 KB Output is correct
36 Correct 138 ms 4492 KB Output is correct
37 Correct 256 ms 6536 KB Output is correct
38 Correct 190 ms 4688 KB Output is correct
39 Correct 220 ms 5856 KB Output is correct
40 Correct 215 ms 5428 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 32 ms 12272 KB Output is correct
12 Correct 33 ms 12272 KB Output is correct
13 Correct 37 ms 13304 KB Output is correct
14 Correct 48 ms 13280 KB Output is correct
15 Correct 37 ms 13556 KB Output is correct
16 Correct 47 ms 13304 KB Output is correct
17 Correct 40 ms 13304 KB Output is correct
18 Correct 30 ms 13560 KB Output is correct
19 Correct 33 ms 13304 KB Output is correct
20 Correct 33 ms 13552 KB Output is correct
21 Correct 39 ms 13468 KB Output is correct
22 Correct 50 ms 13300 KB Output is correct
23 Correct 34 ms 13308 KB Output is correct
24 Correct 38 ms 13304 KB Output is correct
25 Correct 42 ms 13304 KB Output is correct
26 Correct 36 ms 13412 KB Output is correct
27 Correct 35 ms 13552 KB Output is correct
28 Correct 34 ms 13224 KB Output is correct
29 Correct 36 ms 13300 KB Output is correct
30 Correct 38 ms 13296 KB Output is correct
31 Correct 43 ms 13292 KB Output is correct
32 Correct 43 ms 13568 KB Output is correct
33 Correct 41 ms 13304 KB Output is correct
34 Correct 29 ms 13304 KB Output is correct
35 Correct 48 ms 13424 KB Output is correct
36 Correct 45 ms 13380 KB Output is correct
37 Correct 42 ms 13444 KB Output is correct
38 Correct 40 ms 13484 KB Output is correct
39 Correct 39 ms 13300 KB Output is correct
40 Correct 45 ms 13304 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 195 ms 6408 KB Output is correct
12 Correct 203 ms 5972 KB Output is correct
13 Correct 200 ms 5328 KB Output is correct
14 Correct 187 ms 5456 KB Output is correct
15 Correct 246 ms 6992 KB Output is correct
16 Correct 213 ms 5456 KB Output is correct
17 Correct 213 ms 5724 KB Output is correct
18 Correct 144 ms 7508 KB Output is correct
19 Correct 164 ms 4432 KB Output is correct
20 Correct 203 ms 5972 KB Output is correct
21 Correct 189 ms 6428 KB Output is correct
22 Correct 276 ms 6736 KB Output is correct
23 Correct 236 ms 5712 KB Output is correct
24 Correct 218 ms 5492 KB Output is correct
25 Correct 214 ms 7496 KB Output is correct
26 Correct 244 ms 5948 KB Output is correct
27 Correct 243 ms 5968 KB Output is correct
28 Correct 145 ms 8528 KB Output is correct
29 Correct 180 ms 4448 KB Output is correct
30 Correct 226 ms 6516 KB Output is correct
31 Correct 273 ms 6484 KB Output is correct
32 Correct 232 ms 6416 KB Output is correct
33 Correct 199 ms 5260 KB Output is correct
34 Correct 221 ms 5548 KB Output is correct
35 Correct 239 ms 5968 KB Output is correct
36 Correct 138 ms 4492 KB Output is correct
37 Correct 256 ms 6536 KB Output is correct
38 Correct 190 ms 4688 KB Output is correct
39 Correct 220 ms 5856 KB Output is correct
40 Correct 215 ms 5428 KB Output is correct
41 Correct 32 ms 12272 KB Output is correct
42 Correct 33 ms 12272 KB Output is correct
43 Correct 37 ms 13304 KB Output is correct
44 Correct 48 ms 13280 KB Output is correct
45 Correct 37 ms 13556 KB Output is correct
46 Correct 47 ms 13304 KB Output is correct
47 Correct 40 ms 13304 KB Output is correct
48 Correct 30 ms 13560 KB Output is correct
49 Correct 33 ms 13304 KB Output is correct
50 Correct 33 ms 13552 KB Output is correct
51 Correct 39 ms 13468 KB Output is correct
52 Correct 50 ms 13300 KB Output is correct
53 Correct 34 ms 13308 KB Output is correct
54 Correct 38 ms 13304 KB Output is correct
55 Correct 42 ms 13304 KB Output is correct
56 Correct 36 ms 13412 KB Output is correct
57 Correct 35 ms 13552 KB Output is correct
58 Correct 34 ms 13224 KB Output is correct
59 Correct 36 ms 13300 KB Output is correct
60 Correct 38 ms 13296 KB Output is correct
61 Correct 43 ms 13292 KB Output is correct
62 Correct 43 ms 13568 KB Output is correct
63 Correct 41 ms 13304 KB Output is correct
64 Correct 29 ms 13304 KB Output is correct
65 Correct 48 ms 13424 KB Output is correct
66 Correct 45 ms 13380 KB Output is correct
67 Correct 42 ms 13444 KB Output is correct
68 Correct 40 ms 13484 KB Output is correct
69 Correct 39 ms 13300 KB Output is correct
70 Correct 45 ms 13304 KB Output is correct
71 Correct 288 ms 28236 KB Output is correct
72 Correct 315 ms 34292 KB Output is correct
73 Correct 365 ms 37120 KB Output is correct
74 Correct 599 ms 37564 KB Output is correct
75 Correct 341 ms 39856 KB Output is correct
76 Correct 480 ms 37744 KB Output is correct
77 Correct 432 ms 37604 KB Output is correct
78 Correct 221 ms 41484 KB Output is correct
79 Correct 280 ms 35404 KB Output is correct
80 Correct 314 ms 38664 KB Output is correct
81 Correct 434 ms 38576 KB Output is correct
82 Correct 545 ms 37576 KB Output is correct
83 Correct 287 ms 36848 KB Output is correct
84 Correct 385 ms 37572 KB Output is correct
85 Correct 463 ms 37972 KB Output is correct
86 Correct 201 ms 35632 KB Output is correct
87 Correct 292 ms 38532 KB Output is correct
88 Correct 307 ms 35572 KB Output is correct
89 Correct 335 ms 37108 KB Output is correct
90 Correct 385 ms 37620 KB Output is correct
91 Correct 316 ms 36860 KB Output is correct
92 Correct 519 ms 37924 KB Output is correct
93 Correct 426 ms 37788 KB Output is correct
94 Correct 211 ms 35400 KB Output is correct
95 Correct 391 ms 37628 KB Output is correct
96 Correct 467 ms 37616 KB Output is correct
97 Correct 424 ms 37624 KB Output is correct
98 Correct 418 ms 37792 KB Output is correct
99 Correct 404 ms 37616 KB Output is correct
100 Correct 403 ms 37620 KB Output is correct