oj.uz

Submission #785336

# Submission time Handle Problem Language Result Execution time Memory
785336 2023-07-17T08:30:58 Z Denkata Snake Escaping (JOI18_snake_escaping) C++17
75 / 100
 2000 ms 14656 KB 
#include<bits/stdc++.h>
#define endl '\n'
#pragma GCC optimize("Ofast")
using namespace std;
string s,val;
int i,j,p,q,n,m,k,l,Q,A,B,C;
int dp[(1<<21)];
int bitcnt[(1<<21)],ans;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>l>>Q;
    n = (1<<l);
    cin>>val;
    for(i=1; i<n; i++)
        bitcnt[i] = bitcnt[i/2]+i%2;
    for(i=0; i<n; i++)
        dp[i] = val[i]-'0';
    for(i=0; i<l; i++)
    {
        for(j=0; j<n; j++)
        {
            if((j&(1<<i))==0)
                dp[j]+=dp[j^(1<<i)];
            ///1 za sub/ 0 za super
        }
    }
    while(Q--)
    {
        cin>>s;
        A = B = C = 0;
        ans = 0;
        for(i=0; i<l; i++)
        {
            if(s[i]=='0')
                A |= (1<<(l-i-1));
            else if(s[i]=='1')
                B |= (1<<(l-i-1));
            else
                C |= (1<<(l-i-1));

        }
        ///tva e mega dobro
        if(bitcnt[C]<=bitcnt[A] && bitcnt[C]<=bitcnt[B])
        {
            ///vsichki podmnojestva ot setnatite bitove na C
            for(int m=C; m!=0; m=(m-1)&C)
            {
                ans+=val[m|B]-'0';
            }
            ans+=val[B]-'0';
        }
        ///tva e mega dobro
        else
        {
            for(int m=A;m!=0;m=(m-1)&A)
            {
                if(bitcnt[m]%2==0)
                    ans+=dp[m|B];
                else
                    ans-=dp[m|B];
            }
            ans+=dp[B];
        }
        cout<<ans<<endl;

    }
    return 0;
}
///precompute bit count for speed up

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 167 ms 4340 KB Output is correct
12 Correct 240 ms 4072 KB Output is correct
13 Correct 223 ms 3236 KB Output is correct
14 Correct 185 ms 3328 KB Output is correct
15 Correct 178 ms 4300 KB Output is correct
16 Correct 195 ms 3504 KB Output is correct
17 Correct 206 ms 3388 KB Output is correct
18 Correct 130 ms 5352 KB Output is correct
19 Correct 152 ms 2368 KB Output is correct
20 Correct 180 ms 3900 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 167 ms 4340 KB Output is correct
12 Correct 240 ms 4072 KB Output is correct
13 Correct 223 ms 3236 KB Output is correct
14 Correct 185 ms 3328 KB Output is correct
15 Correct 178 ms 4300 KB Output is correct
16 Correct 195 ms 3504 KB Output is correct
17 Correct 206 ms 3388 KB Output is correct
18 Correct 130 ms 5352 KB Output is correct
19 Correct 152 ms 2368 KB Output is correct
20 Correct 180 ms 3900 KB Output is correct
21 Correct 189 ms 4376 KB Output is correct
22 Correct 458 ms 4496 KB Output is correct
23 Correct 267 ms 3648 KB Output is correct
24 Correct 215 ms 3348 KB Output is correct
25 Correct 208 ms 5352 KB Output is correct
26 Correct 232 ms 3928 KB Output is correct
27 Correct 243 ms 3820 KB Output is correct
28 Correct 136 ms 6348 KB Output is correct
29 Correct 171 ms 2384 KB Output is correct
30 Correct 204 ms 4508 KB Output is correct
31 Correct 232 ms 4340 KB Output is correct
32 Correct 234 ms 4572 KB Output is correct
33 Correct 188 ms 3224 KB Output is correct
34 Correct 247 ms 3356 KB Output is correct
35 Correct 243 ms 3780 KB Output is correct
36 Correct 127 ms 2400 KB Output is correct
37 Correct 353 ms 4404 KB Output is correct
38 Correct 182 ms 2380 KB Output is correct
39 Correct 208 ms 3544 KB Output is correct
40 Correct 214 ms 3380 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 37 ms 9940 KB Output is correct
12 Correct 313 ms 10044 KB Output is correct
13 Correct 106 ms 9812 KB Output is correct
14 Correct 50 ms 9836 KB Output is correct
15 Correct 46 ms 9964 KB Output is correct
16 Correct 43 ms 9808 KB Output is correct
17 Correct 54 ms 9844 KB Output is correct
18 Correct 39 ms 9964 KB Output is correct
19 Correct 34 ms 9700 KB Output is correct
20 Correct 37 ms 9876 KB Output is correct
21 Correct 42 ms 9824 KB Output is correct
22 Correct 46 ms 9776 KB Output is correct
23 Correct 34 ms 9840 KB Output is correct
24 Correct 66 ms 9868 KB Output is correct
25 Correct 67 ms 9884 KB Output is correct
26 Correct 29 ms 9780 KB Output is correct
27 Correct 131 ms 9928 KB Output is correct
28 Correct 34 ms 9788 KB Output is correct
29 Correct 41 ms 9780 KB Output is correct
30 Correct 39 ms 9804 KB Output is correct
31 Correct 414 ms 9816 KB Output is correct
32 Correct 48 ms 9832 KB Output is correct
33 Correct 55 ms 9824 KB Output is correct
34 Correct 34 ms 9708 KB Output is correct
35 Correct 81 ms 9816 KB Output is correct
36 Correct 79 ms 9852 KB Output is correct
37 Correct 72 ms 9796 KB Output is correct
38 Correct 85 ms 9812 KB Output is correct
39 Correct 81 ms 9868 KB Output is correct
40 Correct 75 ms 9832 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 167 ms 4340 KB Output is correct
12 Correct 240 ms 4072 KB Output is correct
13 Correct 223 ms 3236 KB Output is correct
14 Correct 185 ms 3328 KB Output is correct
15 Correct 178 ms 4300 KB Output is correct
16 Correct 195 ms 3504 KB Output is correct
17 Correct 206 ms 3388 KB Output is correct
18 Correct 130 ms 5352 KB Output is correct
19 Correct 152 ms 2368 KB Output is correct
20 Correct 180 ms 3900 KB Output is correct
21 Correct 189 ms 4376 KB Output is correct
22 Correct 458 ms 4496 KB Output is correct
23 Correct 267 ms 3648 KB Output is correct
24 Correct 215 ms 3348 KB Output is correct
25 Correct 208 ms 5352 KB Output is correct
26 Correct 232 ms 3928 KB Output is correct
27 Correct 243 ms 3820 KB Output is correct
28 Correct 136 ms 6348 KB Output is correct
29 Correct 171 ms 2384 KB Output is correct
30 Correct 204 ms 4508 KB Output is correct
31 Correct 232 ms 4340 KB Output is correct
32 Correct 234 ms 4572 KB Output is correct
33 Correct 188 ms 3224 KB Output is correct
34 Correct 247 ms 3356 KB Output is correct
35 Correct 243 ms 3780 KB Output is correct
36 Correct 127 ms 2400 KB Output is correct
37 Correct 353 ms 4404 KB Output is correct
38 Correct 182 ms 2380 KB Output is correct
39 Correct 208 ms 3544 KB Output is correct
40 Correct 214 ms 3380 KB Output is correct
41 Correct 37 ms 9940 KB Output is correct
42 Correct 313 ms 10044 KB Output is correct
43 Correct 106 ms 9812 KB Output is correct
44 Correct 50 ms 9836 KB Output is correct
45 Correct 46 ms 9964 KB Output is correct
46 Correct 43 ms 9808 KB Output is correct
47 Correct 54 ms 9844 KB Output is correct
48 Correct 39 ms 9964 KB Output is correct
49 Correct 34 ms 9700 KB Output is correct
50 Correct 37 ms 9876 KB Output is correct
51 Correct 42 ms 9824 KB Output is correct
52 Correct 46 ms 9776 KB Output is correct
53 Correct 34 ms 9840 KB Output is correct
54 Correct 66 ms 9868 KB Output is correct
55 Correct 67 ms 9884 KB Output is correct
56 Correct 29 ms 9780 KB Output is correct
57 Correct 131 ms 9928 KB Output is correct
58 Correct 34 ms 9788 KB Output is correct
59 Correct 41 ms 9780 KB Output is correct
60 Correct 39 ms 9804 KB Output is correct
61 Correct 414 ms 9816 KB Output is correct
62 Correct 48 ms 9832 KB Output is correct
63 Correct 55 ms 9824 KB Output is correct
64 Correct 34 ms 9708 KB Output is correct
65 Correct 81 ms 9816 KB Output is correct
66 Correct 79 ms 9852 KB Output is correct
67 Correct 72 ms 9796 KB Output is correct
68 Correct 85 ms 9812 KB Output is correct
69 Correct 81 ms 9868 KB Output is correct
70 Correct 75 ms 9832 KB Output is correct
71 Correct 274 ms 14656 KB Output is correct
72 Execution timed out 2063 ms 11476 KB Time limit exceeded
73 Halted 0 ms 0 KB -