oj.uz

Submission #785324

# Submission time Handle Problem Language Result Execution time Memory
785324 2023-07-17T08:22:43 Z Denkata Snake Escaping (JOI18_snake_escaping) C++17
75 / 100
 2000 ms 36236 KB 
#include<bits/stdc++.h>
#define endl '\n'
#pragma GCC optimize("O3,unroll-loops")
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 332 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 336 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 332 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 336 KB Output is correct
11 Correct 168 ms 15068 KB Output is correct
12 Correct 251 ms 14732 KB Output is correct
13 Correct 210 ms 13956 KB Output is correct
14 Correct 189 ms 14028 KB Output is correct
15 Correct 187 ms 15032 KB Output is correct
16 Correct 197 ms 14256 KB Output is correct
17 Correct 216 ms 14160 KB Output is correct
18 Correct 136 ms 16124 KB Output is correct
19 Correct 163 ms 13100 KB Output is correct
20 Correct 181 ms 14708 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 332 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 336 KB Output is correct
11 Correct 168 ms 15068 KB Output is correct
12 Correct 251 ms 14732 KB Output is correct
13 Correct 210 ms 13956 KB Output is correct
14 Correct 189 ms 14028 KB Output is correct
15 Correct 187 ms 15032 KB Output is correct
16 Correct 197 ms 14256 KB Output is correct
17 Correct 216 ms 14160 KB Output is correct
18 Correct 136 ms 16124 KB Output is correct
19 Correct 163 ms 13100 KB Output is correct
20 Correct 181 ms 14708 KB Output is correct
21 Correct 228 ms 18056 KB Output is correct
22 Correct 469 ms 18236 KB Output is correct
23 Correct 288 ms 17272 KB Output is correct
24 Correct 236 ms 17072 KB Output is correct
25 Correct 202 ms 19140 KB Output is correct
26 Correct 229 ms 17584 KB Output is correct
27 Correct 255 ms 17504 KB Output is correct
28 Correct 143 ms 20148 KB Output is correct
29 Correct 208 ms 16036 KB Output is correct
30 Correct 208 ms 18344 KB Output is correct
31 Correct 232 ms 18032 KB Output is correct
32 Correct 225 ms 18184 KB Output is correct
33 Correct 199 ms 16948 KB Output is correct
34 Correct 259 ms 17156 KB Output is correct
35 Correct 255 ms 17524 KB Output is correct
36 Correct 138 ms 16064 KB Output is correct
37 Correct 355 ms 18076 KB Output is correct
38 Correct 204 ms 16060 KB Output is correct
39 Correct 237 ms 17308 KB Output is correct
40 Correct 226 ms 17076 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 332 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 336 KB Output is correct
11 Correct 27 ms 12016 KB Output is correct
12 Correct 310 ms 11980 KB Output is correct
13 Correct 69 ms 11880 KB Output is correct
14 Correct 41 ms 11868 KB Output is correct
15 Correct 37 ms 11964 KB Output is correct
16 Correct 35 ms 11864 KB Output is correct
17 Correct 46 ms 12016 KB Output is correct
18 Correct 23 ms 12120 KB Output is correct
19 Correct 30 ms 11784 KB Output is correct
20 Correct 29 ms 11956 KB Output is correct
21 Correct 48 ms 11988 KB Output is correct
22 Correct 36 ms 11888 KB Output is correct
23 Correct 33 ms 11884 KB Output is correct
24 Correct 54 ms 11876 KB Output is correct
25 Correct 50 ms 11880 KB Output is correct
26 Correct 23 ms 11748 KB Output is correct
27 Correct 121 ms 11992 KB Output is correct
28 Correct 29 ms 11728 KB Output is correct
29 Correct 30 ms 11864 KB Output is correct
30 Correct 33 ms 11952 KB Output is correct
31 Correct 383 ms 11864 KB Output is correct
32 Correct 35 ms 11952 KB Output is correct
33 Correct 46 ms 11900 KB Output is correct
34 Correct 23 ms 11748 KB Output is correct
35 Correct 69 ms 11860 KB Output is correct
36 Correct 64 ms 11884 KB Output is correct
37 Correct 83 ms 12012 KB Output is correct
38 Correct 67 ms 11868 KB Output is correct
39 Correct 65 ms 11888 KB Output is correct
40 Correct 67 ms 11948 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 332 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 336 KB Output is correct
11 Correct 168 ms 15068 KB Output is correct
12 Correct 251 ms 14732 KB Output is correct
13 Correct 210 ms 13956 KB Output is correct
14 Correct 189 ms 14028 KB Output is correct
15 Correct 187 ms 15032 KB Output is correct
16 Correct 197 ms 14256 KB Output is correct
17 Correct 216 ms 14160 KB Output is correct
18 Correct 136 ms 16124 KB Output is correct
19 Correct 163 ms 13100 KB Output is correct
20 Correct 181 ms 14708 KB Output is correct
21 Correct 228 ms 18056 KB Output is correct
22 Correct 469 ms 18236 KB Output is correct
23 Correct 288 ms 17272 KB Output is correct
24 Correct 236 ms 17072 KB Output is correct
25 Correct 202 ms 19140 KB Output is correct
26 Correct 229 ms 17584 KB Output is correct
27 Correct 255 ms 17504 KB Output is correct
28 Correct 143 ms 20148 KB Output is correct
29 Correct 208 ms 16036 KB Output is correct
30 Correct 208 ms 18344 KB Output is correct
31 Correct 232 ms 18032 KB Output is correct
32 Correct 225 ms 18184 KB Output is correct
33 Correct 199 ms 16948 KB Output is correct
34 Correct 259 ms 17156 KB Output is correct
35 Correct 255 ms 17524 KB Output is correct
36 Correct 138 ms 16064 KB Output is correct
37 Correct 355 ms 18076 KB Output is correct
38 Correct 204 ms 16060 KB Output is correct
39 Correct 237 ms 17308 KB Output is correct
40 Correct 226 ms 17076 KB Output is correct
41 Correct 27 ms 12016 KB Output is correct
42 Correct 310 ms 11980 KB Output is correct
43 Correct 69 ms 11880 KB Output is correct
44 Correct 41 ms 11868 KB Output is correct
45 Correct 37 ms 11964 KB Output is correct
46 Correct 35 ms 11864 KB Output is correct
47 Correct 46 ms 12016 KB Output is correct
48 Correct 23 ms 12120 KB Output is correct
49 Correct 30 ms 11784 KB Output is correct
50 Correct 29 ms 11956 KB Output is correct
51 Correct 48 ms 11988 KB Output is correct
52 Correct 36 ms 11888 KB Output is correct
53 Correct 33 ms 11884 KB Output is correct
54 Correct 54 ms 11876 KB Output is correct
55 Correct 50 ms 11880 KB Output is correct
56 Correct 23 ms 11748 KB Output is correct
57 Correct 121 ms 11992 KB Output is correct
58 Correct 29 ms 11728 KB Output is correct
59 Correct 30 ms 11864 KB Output is correct
60 Correct 33 ms 11952 KB Output is correct
61 Correct 383 ms 11864 KB Output is correct
62 Correct 35 ms 11952 KB Output is correct
63 Correct 46 ms 11900 KB Output is correct
64 Correct 23 ms 11748 KB Output is correct
65 Correct 69 ms 11860 KB Output is correct
66 Correct 64 ms 11884 KB Output is correct
67 Correct 83 ms 12012 KB Output is correct
68 Correct 67 ms 11868 KB Output is correct
69 Correct 65 ms 11888 KB Output is correct
70 Correct 67 ms 11948 KB Output is correct
71 Correct 307 ms 36236 KB Output is correct
72 Execution timed out 2059 ms 20556 KB Time limit exceeded
73 Halted 0 ms 0 KB -