oj.uz

Submission #1036310

# Submission time Handle Problem Language Result Execution time Memory
1036310 2024-07-27T08:36:10 Z Hanksburger Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 1263 ms 42324 KB 
#include <bits/stdc++.h>
using namespace std;
int a[1048580], b[1048580], c[1048580];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, m;
    cin >> n >> m;
    for (int i=0; i<(1<<n); i++)
    {
        char x;
        cin >> x;
        a[i]=b[i]=c[i^((1<<n)-1)]=x-'0';
    }
    for (int i=0; i<n; i++)
        for (int j=0; j<(1<<n); j++)
            if (j&(1<<i))
                b[j]+=b[j^(1<<i)], c[j]+=c[j^(1<<i)];
    for (int i=0; i<m; i++)
    {
        string s;
        cin >> s;
        reverse(s.begin(), s.end());
        vector<int> v0, v1, v2;
        for (int j=0; j<n; j++)
        {
            if (s[j]=='0')
                v0.push_back(j);
            else if (s[j]=='1')
                v1.push_back(j);
            else
                v2.push_back(j);
        }
        if (v0.size()<=v1.size() && v0.size()<=v2.size())
        {
            int x=0, sz=v0.size(), ans=0;
            for (int j=0; j<n; j++)
                if (s[j]=='0' || s[j]=='?')
                    x^=(1<<j);
            for (int j=0; j<(1<<sz); j++)
            {
                int y=0, cnt=0;
                for (int k=0; k<sz; k++)
                {
                    
                    if (j&(1<<k))
                    {
                        y^=(1<<v0[k]);
                        cnt++;
                    }
                }
                if (cnt&1)
                    ans-=c[x^y];
                else
                    ans+=c[x^y];
            }
            cout << ans << '\n';
        }
        else if (v1.size()<=v0.size() && v1.size()<=v2.size())
        {
            int x=0, sz=v1.size(), ans=0;
            for (int j=0; j<n; j++)
                if (s[j]=='1' || s[j]=='?')
                    x^=(1<<j);
            for (int j=0; j<(1<<sz); j++)
            {
                int y=0, cnt=0;
                for (int k=0; k<sz; k++)
                {
                    if (j&(1<<k))
                    {
                        y^=(1<<v1[k]);
                        cnt++;
                    }
                }
                if (cnt&1)
                    ans-=b[x^y];
                else
                    ans+=b[x^y];
            }
            cout << ans << '\n';
        }
        else
        {
            int x=0, sz=v2.size(), ans=0;
            for (int j=0; j<n; j++)
                if (s[j]=='1')
                    x^=(1<<j);
            for (int j=0; j<(1<<sz); j++)
            {
                int y=0;
                for (int k=0; k<sz; k++)
                    if (j&(1<<k))
                        y^=(1<<v2[k]);
                ans+=a[x^y];
            }
            cout << ans << '\n';
        }
    }
}

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 348 KB Output is correct
3 Correct 1 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 348 KB Output is correct
3 Correct 1 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 312 ms 15184 KB Output is correct
12 Correct 310 ms 14676 KB Output is correct
13 Correct 381 ms 13904 KB Output is correct
14 Correct 430 ms 14160 KB Output is correct
15 Correct 392 ms 15196 KB Output is correct
16 Correct 425 ms 14180 KB Output is correct
17 Correct 437 ms 14160 KB Output is correct
18 Correct 212 ms 16212 KB Output is correct
19 Correct 340 ms 13104 KB Output is correct
20 Correct 327 ms 14668 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 348 KB Output is correct
3 Correct 1 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 312 ms 15184 KB Output is correct
12 Correct 310 ms 14676 KB Output is correct
13 Correct 381 ms 13904 KB Output is correct
14 Correct 430 ms 14160 KB Output is correct
15 Correct 392 ms 15196 KB Output is correct
16 Correct 425 ms 14180 KB Output is correct
17 Correct 437 ms 14160 KB Output is correct
18 Correct 212 ms 16212 KB Output is correct
19 Correct 340 ms 13104 KB Output is correct
20 Correct 327 ms 14668 KB Output is correct
21 Correct 386 ms 18260 KB Output is correct
22 Correct 400 ms 18260 KB Output is correct
23 Correct 488 ms 17488 KB Output is correct
24 Correct 534 ms 17236 KB Output is correct
25 Correct 425 ms 19028 KB Output is correct
26 Correct 536 ms 17752 KB Output is correct
27 Correct 557 ms 17748 KB Output is correct
28 Correct 215 ms 20052 KB Output is correct
29 Correct 371 ms 16212 KB Output is correct
30 Correct 391 ms 18260 KB Output is correct
31 Correct 493 ms 18164 KB Output is correct
32 Correct 558 ms 18224 KB Output is correct
33 Correct 413 ms 16976 KB Output is correct
34 Correct 541 ms 17236 KB Output is correct
35 Correct 533 ms 17536 KB Output is correct
36 Correct 206 ms 16212 KB Output is correct
37 Correct 361 ms 18048 KB Output is correct
38 Correct 379 ms 16204 KB Output is correct
39 Correct 493 ms 17232 KB Output is correct
40 Correct 546 ms 17152 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 348 KB Output is correct
3 Correct 1 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 55 ms 14824 KB Output is correct
12 Correct 55 ms 14928 KB Output is correct
13 Correct 72 ms 14736 KB Output is correct
14 Correct 90 ms 14792 KB Output is correct
15 Correct 59 ms 14932 KB Output is correct
16 Correct 83 ms 14784 KB Output is correct
17 Correct 75 ms 14932 KB Output is correct
18 Correct 41 ms 15184 KB Output is correct
19 Correct 54 ms 14672 KB Output is correct
20 Correct 55 ms 14932 KB Output is correct
21 Correct 67 ms 14932 KB Output is correct
22 Correct 87 ms 14988 KB Output is correct
23 Correct 57 ms 14928 KB Output is correct
24 Correct 84 ms 14928 KB Output is correct
25 Correct 83 ms 14940 KB Output is correct
26 Correct 43 ms 14672 KB Output is correct
27 Correct 55 ms 14832 KB Output is correct
28 Correct 55 ms 14676 KB Output is correct
29 Correct 66 ms 14928 KB Output is correct
30 Correct 82 ms 14788 KB Output is correct
31 Correct 57 ms 14792 KB Output is correct
32 Correct 91 ms 14928 KB Output is correct
33 Correct 78 ms 14932 KB Output is correct
34 Correct 40 ms 14852 KB Output is correct
35 Correct 67 ms 14928 KB Output is correct
36 Correct 68 ms 15000 KB Output is correct
37 Correct 72 ms 14792 KB Output is correct
38 Correct 71 ms 14928 KB Output is correct
39 Correct 69 ms 15184 KB Output is correct
40 Correct 71 ms 14928 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 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 312 ms 15184 KB Output is correct
12 Correct 310 ms 14676 KB Output is correct
13 Correct 381 ms 13904 KB Output is correct
14 Correct 430 ms 14160 KB Output is correct
15 Correct 392 ms 15196 KB Output is correct
16 Correct 425 ms 14180 KB Output is correct
17 Correct 437 ms 14160 KB Output is correct
18 Correct 212 ms 16212 KB Output is correct
19 Correct 340 ms 13104 KB Output is correct
20 Correct 327 ms 14668 KB Output is correct
21 Correct 386 ms 18260 KB Output is correct
22 Correct 400 ms 18260 KB Output is correct
23 Correct 488 ms 17488 KB Output is correct
24 Correct 534 ms 17236 KB Output is correct
25 Correct 425 ms 19028 KB Output is correct
26 Correct 536 ms 17752 KB Output is correct
27 Correct 557 ms 17748 KB Output is correct
28 Correct 215 ms 20052 KB Output is correct
29 Correct 371 ms 16212 KB Output is correct
30 Correct 391 ms 18260 KB Output is correct
31 Correct 493 ms 18164 KB Output is correct
32 Correct 558 ms 18224 KB Output is correct
33 Correct 413 ms 16976 KB Output is correct
34 Correct 541 ms 17236 KB Output is correct
35 Correct 533 ms 17536 KB Output is correct
36 Correct 206 ms 16212 KB Output is correct
37 Correct 361 ms 18048 KB Output is correct
38 Correct 379 ms 16204 KB Output is correct
39 Correct 493 ms 17232 KB Output is correct
40 Correct 546 ms 17152 KB Output is correct
41 Correct 55 ms 14824 KB Output is correct
42 Correct 55 ms 14928 KB Output is correct
43 Correct 72 ms 14736 KB Output is correct
44 Correct 90 ms 14792 KB Output is correct
45 Correct 59 ms 14932 KB Output is correct
46 Correct 83 ms 14784 KB Output is correct
47 Correct 75 ms 14932 KB Output is correct
48 Correct 41 ms 15184 KB Output is correct
49 Correct 54 ms 14672 KB Output is correct
50 Correct 55 ms 14932 KB Output is correct
51 Correct 67 ms 14932 KB Output is correct
52 Correct 87 ms 14988 KB Output is correct
53 Correct 57 ms 14928 KB Output is correct
54 Correct 84 ms 14928 KB Output is correct
55 Correct 83 ms 14940 KB Output is correct
56 Correct 43 ms 14672 KB Output is correct
57 Correct 55 ms 14832 KB Output is correct
58 Correct 55 ms 14676 KB Output is correct
59 Correct 66 ms 14928 KB Output is correct
60 Correct 82 ms 14788 KB Output is correct
61 Correct 57 ms 14792 KB Output is correct
62 Correct 91 ms 14928 KB Output is correct
63 Correct 78 ms 14932 KB Output is correct
64 Correct 40 ms 14852 KB Output is correct
65 Correct 67 ms 14928 KB Output is correct
66 Correct 68 ms 15000 KB Output is correct
67 Correct 72 ms 14792 KB Output is correct
68 Correct 71 ms 14928 KB Output is correct
69 Correct 69 ms 15184 KB Output is correct
70 Correct 71 ms 14928 KB Output is correct
71 Correct 562 ms 39252 KB Output is correct
72 Correct 544 ms 39228 KB Output is correct
73 Correct 834 ms 37716 KB Output is correct
74 Correct 1263 ms 38224 KB Output is correct
75 Correct 623 ms 40276 KB Output is correct
76 Correct 1118 ms 38552 KB Output is correct
77 Correct 984 ms 38492 KB Output is correct
78 Correct 344 ms 42324 KB Output is correct
79 Correct 538 ms 36296 KB Output is correct
80 Correct 566 ms 39252 KB Output is correct
81 Correct 806 ms 39112 KB Output is correct
82 Correct 1201 ms 38080 KB Output is correct
83 Correct 592 ms 37488 KB Output is correct
84 Correct 1020 ms 38276 KB Output is correct
85 Correct 984 ms 38484 KB Output is correct
86 Correct 289 ms 36064 KB Output is correct
87 Correct 595 ms 39248 KB Output is correct
88 Correct 564 ms 36176 KB Output is correct
89 Correct 766 ms 37940 KB Output is correct
90 Correct 1051 ms 38180 KB Output is correct
91 Correct 625 ms 37324 KB Output is correct
92 Correct 1132 ms 38524 KB Output is correct
93 Correct 988 ms 38480 KB Output is correct
94 Correct 291 ms 36296 KB Output is correct
95 Correct 843 ms 38272 KB Output is correct
96 Correct 842 ms 38228 KB Output is correct
97 Correct 850 ms 38236 KB Output is correct
98 Correct 848 ms 38224 KB Output is correct
99 Correct 849 ms 38344 KB Output is correct
100 Correct 832 ms 38140 KB Output is correct