oj.uz

Submission #970543

# Submission time Handle Problem Language Result Execution time Memory
970543 2024-04-26T17:06:53 Z mychecksedad Snake Escaping (JOI18_snake_escaping) C++17
75 / 100
 2000 ms 32500 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];
string s;
void solve(){
  cin >> n >> q >> s;
  for(int i = 0; i < (1<<n); ++i) dp[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];
    }
  }
  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{
      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';
    }
  }

}



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:53:15: warning: unused variable 'aa' [-Wunused-variable]
   53 |   int tt = 1, aa;
      |               ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 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 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 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 187 ms 11008 KB Output is correct
12 Correct 198 ms 10068 KB Output is correct
13 Correct 196 ms 7916 KB Output is correct
14 Correct 185 ms 8072 KB Output is correct
15 Correct 230 ms 11264 KB Output is correct
16 Correct 201 ms 9016 KB Output is correct
17 Correct 216 ms 8788 KB Output is correct
18 Correct 139 ms 14004 KB Output is correct
19 Correct 159 ms 4932 KB Output is correct
20 Correct 201 ms 10160 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 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 187 ms 11008 KB Output is correct
12 Correct 198 ms 10068 KB Output is correct
13 Correct 196 ms 7916 KB Output is correct
14 Correct 185 ms 8072 KB Output is correct
15 Correct 230 ms 11264 KB Output is correct
16 Correct 201 ms 9016 KB Output is correct
17 Correct 216 ms 8788 KB Output is correct
18 Correct 139 ms 14004 KB Output is correct
19 Correct 159 ms 4932 KB Output is correct
20 Correct 201 ms 10160 KB Output is correct
21 Correct 185 ms 14172 KB Output is correct
22 Correct 280 ms 14492 KB Output is correct
23 Correct 228 ms 11852 KB Output is correct
24 Correct 214 ms 11152 KB Output is correct
25 Correct 225 ms 17324 KB Output is correct
26 Correct 249 ms 12588 KB Output is correct
27 Correct 239 ms 12624 KB Output is correct
28 Correct 140 ms 19792 KB Output is correct
29 Correct 178 ms 11664 KB Output is correct
30 Correct 225 ms 16212 KB Output is correct
31 Correct 275 ms 15696 KB Output is correct
32 Correct 254 ms 15824 KB Output is correct
33 Correct 191 ms 13596 KB Output is correct
34 Correct 219 ms 13576 KB Output is correct
35 Correct 257 ms 14676 KB Output is correct
36 Correct 137 ms 11728 KB Output is correct
37 Correct 233 ms 15696 KB Output is correct
38 Correct 190 ms 11836 KB Output is correct
39 Correct 217 ms 14116 KB Output is correct
40 Correct 217 ms 13524 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 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 31 ms 6912 KB Output is correct
12 Correct 289 ms 8176 KB Output is correct
13 Correct 63 ms 7912 KB Output is correct
14 Correct 55 ms 7928 KB Output is correct
15 Correct 34 ms 8184 KB Output is correct
16 Correct 45 ms 7924 KB Output is correct
17 Correct 57 ms 7916 KB Output is correct
18 Correct 28 ms 8176 KB Output is correct
19 Correct 32 ms 7924 KB Output is correct
20 Correct 33 ms 7964 KB Output is correct
21 Correct 44 ms 7992 KB Output is correct
22 Correct 45 ms 7924 KB Output is correct
23 Correct 32 ms 7928 KB Output is correct
24 Correct 37 ms 7924 KB Output is correct
25 Correct 48 ms 7924 KB Output is correct
26 Correct 29 ms 7928 KB Output is correct
27 Correct 206 ms 8100 KB Output is correct
28 Correct 32 ms 7928 KB Output is correct
29 Correct 35 ms 7924 KB Output is correct
30 Correct 45 ms 8140 KB Output is correct
31 Correct 43 ms 7916 KB Output is correct
32 Correct 43 ms 7920 KB Output is correct
33 Correct 48 ms 7928 KB Output is correct
34 Correct 29 ms 7940 KB Output is correct
35 Correct 56 ms 7924 KB Output is correct
36 Correct 68 ms 8020 KB Output is correct
37 Correct 57 ms 8096 KB Output is correct
38 Correct 56 ms 7924 KB Output is correct
39 Correct 61 ms 8172 KB Output is correct
40 Correct 56 ms 8092 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 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 187 ms 11008 KB Output is correct
12 Correct 198 ms 10068 KB Output is correct
13 Correct 196 ms 7916 KB Output is correct
14 Correct 185 ms 8072 KB Output is correct
15 Correct 230 ms 11264 KB Output is correct
16 Correct 201 ms 9016 KB Output is correct
17 Correct 216 ms 8788 KB Output is correct
18 Correct 139 ms 14004 KB Output is correct
19 Correct 159 ms 4932 KB Output is correct
20 Correct 201 ms 10160 KB Output is correct
21 Correct 185 ms 14172 KB Output is correct
22 Correct 280 ms 14492 KB Output is correct
23 Correct 228 ms 11852 KB Output is correct
24 Correct 214 ms 11152 KB Output is correct
25 Correct 225 ms 17324 KB Output is correct
26 Correct 249 ms 12588 KB Output is correct
27 Correct 239 ms 12624 KB Output is correct
28 Correct 140 ms 19792 KB Output is correct
29 Correct 178 ms 11664 KB Output is correct
30 Correct 225 ms 16212 KB Output is correct
31 Correct 275 ms 15696 KB Output is correct
32 Correct 254 ms 15824 KB Output is correct
33 Correct 191 ms 13596 KB Output is correct
34 Correct 219 ms 13576 KB Output is correct
35 Correct 257 ms 14676 KB Output is correct
36 Correct 137 ms 11728 KB Output is correct
37 Correct 233 ms 15696 KB Output is correct
38 Correct 190 ms 11836 KB Output is correct
39 Correct 217 ms 14116 KB Output is correct
40 Correct 217 ms 13524 KB Output is correct
41 Correct 31 ms 6912 KB Output is correct
42 Correct 289 ms 8176 KB Output is correct
43 Correct 63 ms 7912 KB Output is correct
44 Correct 55 ms 7928 KB Output is correct
45 Correct 34 ms 8184 KB Output is correct
46 Correct 45 ms 7924 KB Output is correct
47 Correct 57 ms 7916 KB Output is correct
48 Correct 28 ms 8176 KB Output is correct
49 Correct 32 ms 7924 KB Output is correct
50 Correct 33 ms 7964 KB Output is correct
51 Correct 44 ms 7992 KB Output is correct
52 Correct 45 ms 7924 KB Output is correct
53 Correct 32 ms 7928 KB Output is correct
54 Correct 37 ms 7924 KB Output is correct
55 Correct 48 ms 7924 KB Output is correct
56 Correct 29 ms 7928 KB Output is correct
57 Correct 206 ms 8100 KB Output is correct
58 Correct 32 ms 7928 KB Output is correct
59 Correct 35 ms 7924 KB Output is correct
60 Correct 45 ms 8140 KB Output is correct
61 Correct 43 ms 7916 KB Output is correct
62 Correct 43 ms 7920 KB Output is correct
63 Correct 48 ms 7928 KB Output is correct
64 Correct 29 ms 7940 KB Output is correct
65 Correct 56 ms 7924 KB Output is correct
66 Correct 68 ms 8020 KB Output is correct
67 Correct 57 ms 8096 KB Output is correct
68 Correct 56 ms 7924 KB Output is correct
69 Correct 61 ms 8172 KB Output is correct
70 Correct 56 ms 8092 KB Output is correct
71 Correct 319 ms 32500 KB Output is correct
72 Execution timed out 2033 ms 16712 KB Time limit exceeded
73 Halted 0 ms 0 KB -