oj.uz

Submission #785457

# Submission time Handle Problem Language Result Execution time Memory
785457 2023-07-17T09:17:02 Z Denkata Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 554 ms 43356 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)],subdp[(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] = subdp[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)];
            else subdp[j]+=subdp[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 if(bitcnt[A]<=bitcnt[B])
        {
            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];
        }
        else
        {
            for(int m=B;m!=0;m=(m-1)&B)
            {
                if((bitcnt[B]-bitcnt[m])%2==0)
                    ans+=subdp[m|C];
                else
                    ans-=subdp[m|C];
            }
            //ans+=subdp[C|];
            if(bitcnt[B]%2==0)ans+=subdp[C];
            else ans-=subdp[C];
        }
        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 165 ms 4288 KB Output is correct
12 Correct 164 ms 3900 KB Output is correct
13 Correct 189 ms 3288 KB Output is correct
14 Correct 207 ms 3340 KB Output is correct
15 Correct 167 ms 4344 KB Output is correct
16 Correct 205 ms 3484 KB Output is correct
17 Correct 205 ms 3416 KB Output is correct
18 Correct 141 ms 5364 KB Output is correct
19 Correct 161 ms 2344 KB Output is correct
20 Correct 167 ms 3948 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 165 ms 4288 KB Output is correct
12 Correct 164 ms 3900 KB Output is correct
13 Correct 189 ms 3288 KB Output is correct
14 Correct 207 ms 3340 KB Output is correct
15 Correct 167 ms 4344 KB Output is correct
16 Correct 205 ms 3484 KB Output is correct
17 Correct 205 ms 3416 KB Output is correct
18 Correct 141 ms 5364 KB Output is correct
19 Correct 161 ms 2344 KB Output is correct
20 Correct 167 ms 3948 KB Output is correct
21 Correct 196 ms 4448 KB Output is correct
22 Correct 203 ms 4616 KB Output is correct
23 Correct 259 ms 3596 KB Output is correct
24 Correct 217 ms 3448 KB Output is correct
25 Correct 195 ms 5380 KB Output is correct
26 Correct 250 ms 3884 KB Output is correct
27 Correct 227 ms 3816 KB Output is correct
28 Correct 157 ms 6376 KB Output is correct
29 Correct 180 ms 2408 KB Output is correct
30 Correct 223 ms 4548 KB Output is correct
31 Correct 215 ms 4436 KB Output is correct
32 Correct 221 ms 4348 KB Output is correct
33 Correct 192 ms 3248 KB Output is correct
34 Correct 220 ms 3396 KB Output is correct
35 Correct 231 ms 3916 KB Output is correct
36 Correct 135 ms 2424 KB Output is correct
37 Correct 173 ms 4428 KB Output is correct
38 Correct 186 ms 2364 KB Output is correct
39 Correct 235 ms 3624 KB Output is correct
40 Correct 211 ms 3348 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 56 ms 13928 KB Output is correct
12 Correct 61 ms 13940 KB Output is correct
13 Correct 64 ms 13908 KB Output is correct
14 Correct 60 ms 13940 KB Output is correct
15 Correct 55 ms 14056 KB Output is correct
16 Correct 69 ms 13956 KB Output is correct
17 Correct 63 ms 13940 KB Output is correct
18 Correct 46 ms 14180 KB Output is correct
19 Correct 54 ms 13848 KB Output is correct
20 Correct 54 ms 14016 KB Output is correct
21 Correct 59 ms 14004 KB Output is correct
22 Correct 67 ms 13928 KB Output is correct
23 Correct 52 ms 13940 KB Output is correct
24 Correct 61 ms 13932 KB Output is correct
25 Correct 61 ms 13940 KB Output is correct
26 Correct 50 ms 13816 KB Output is correct
27 Correct 53 ms 13980 KB Output is correct
28 Correct 52 ms 13856 KB Output is correct
29 Correct 59 ms 13924 KB Output is correct
30 Correct 57 ms 13940 KB Output is correct
31 Correct 55 ms 13932 KB Output is correct
32 Correct 70 ms 13936 KB Output is correct
33 Correct 66 ms 13940 KB Output is correct
34 Correct 46 ms 13860 KB Output is correct
35 Correct 71 ms 13924 KB Output is correct
36 Correct 61 ms 13996 KB Output is correct
37 Correct 61 ms 13944 KB Output is correct
38 Correct 75 ms 13932 KB Output is correct
39 Correct 61 ms 13936 KB Output is correct
40 Correct 59 ms 13948 KB Output is correct

Subtask #5
25.0 / 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 165 ms 4288 KB Output is correct
12 Correct 164 ms 3900 KB Output is correct
13 Correct 189 ms 3288 KB Output is correct
14 Correct 207 ms 3340 KB Output is correct
15 Correct 167 ms 4344 KB Output is correct
16 Correct 205 ms 3484 KB Output is correct
17 Correct 205 ms 3416 KB Output is correct
18 Correct 141 ms 5364 KB Output is correct
19 Correct 161 ms 2344 KB Output is correct
20 Correct 167 ms 3948 KB Output is correct
21 Correct 196 ms 4448 KB Output is correct
22 Correct 203 ms 4616 KB Output is correct
23 Correct 259 ms 3596 KB Output is correct
24 Correct 217 ms 3448 KB Output is correct
25 Correct 195 ms 5380 KB Output is correct
26 Correct 250 ms 3884 KB Output is correct
27 Correct 227 ms 3816 KB Output is correct
28 Correct 157 ms 6376 KB Output is correct
29 Correct 180 ms 2408 KB Output is correct
30 Correct 223 ms 4548 KB Output is correct
31 Correct 215 ms 4436 KB Output is correct
32 Correct 221 ms 4348 KB Output is correct
33 Correct 192 ms 3248 KB Output is correct
34 Correct 220 ms 3396 KB Output is correct
35 Correct 231 ms 3916 KB Output is correct
36 Correct 135 ms 2424 KB Output is correct
37 Correct 173 ms 4428 KB Output is correct
38 Correct 186 ms 2364 KB Output is correct
39 Correct 235 ms 3624 KB Output is correct
40 Correct 211 ms 3348 KB Output is correct
41 Correct 56 ms 13928 KB Output is correct
42 Correct 61 ms 13940 KB Output is correct
43 Correct 64 ms 13908 KB Output is correct
44 Correct 60 ms 13940 KB Output is correct
45 Correct 55 ms 14056 KB Output is correct
46 Correct 69 ms 13956 KB Output is correct
47 Correct 63 ms 13940 KB Output is correct
48 Correct 46 ms 14180 KB Output is correct
49 Correct 54 ms 13848 KB Output is correct
50 Correct 54 ms 14016 KB Output is correct
51 Correct 59 ms 14004 KB Output is correct
52 Correct 67 ms 13928 KB Output is correct
53 Correct 52 ms 13940 KB Output is correct
54 Correct 61 ms 13932 KB Output is correct
55 Correct 61 ms 13940 KB Output is correct
56 Correct 50 ms 13816 KB Output is correct
57 Correct 53 ms 13980 KB Output is correct
58 Correct 52 ms 13856 KB Output is correct
59 Correct 59 ms 13924 KB Output is correct
60 Correct 57 ms 13940 KB Output is correct
61 Correct 55 ms 13932 KB Output is correct
62 Correct 70 ms 13936 KB Output is correct
63 Correct 66 ms 13940 KB Output is correct
64 Correct 46 ms 13860 KB Output is correct
65 Correct 71 ms 13924 KB Output is correct
66 Correct 61 ms 13996 KB Output is correct
67 Correct 61 ms 13944 KB Output is correct
68 Correct 75 ms 13932 KB Output is correct
69 Correct 61 ms 13936 KB Output is correct
70 Correct 59 ms 13948 KB Output is correct
71 Correct 304 ms 18808 KB Output is correct
72 Correct 309 ms 31464 KB Output is correct
73 Correct 422 ms 39008 KB Output is correct
74 Correct 480 ms 39380 KB Output is correct
75 Correct 316 ms 41332 KB Output is correct
76 Correct 520 ms 39648 KB Output is correct
77 Correct 486 ms 39732 KB Output is correct
78 Correct 211 ms 43356 KB Output is correct
79 Correct 273 ms 37276 KB Output is correct
80 Correct 335 ms 40428 KB Output is correct
81 Correct 417 ms 40340 KB Output is correct
82 Correct 500 ms 39276 KB Output is correct
83 Correct 306 ms 38532 KB Output is correct
84 Correct 471 ms 39324 KB Output is correct
85 Correct 551 ms 39600 KB Output is correct
86 Correct 194 ms 37404 KB Output is correct
87 Correct 343 ms 40324 KB Output is correct
88 Correct 276 ms 37292 KB Output is correct
89 Correct 359 ms 38992 KB Output is correct
90 Correct 409 ms 39304 KB Output is correct
91 Correct 326 ms 38492 KB Output is correct
92 Correct 554 ms 39712 KB Output is correct
93 Correct 517 ms 39568 KB Output is correct
94 Correct 183 ms 37360 KB Output is correct
95 Correct 437 ms 39480 KB Output is correct
96 Correct 474 ms 39388 KB Output is correct
97 Correct 406 ms 39456 KB Output is correct
98 Correct 412 ms 39424 KB Output is correct
99 Correct 443 ms 39428 KB Output is correct
100 Correct 436 ms 39404 KB Output is correct