oj.uz

Submission #160817

# Submission time Handle Problem Language Result Execution time Memory
160817 2019-10-30T03:48:09 Z combi1k1 Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
 1085 ms 40512 KB 
#include<bits/stdc++.h>

using namespace std;

int8_t  c[1 << 20];
string  s;

int f0[1 << 20];
int f1[1 << 20];

int work()  {
    int m0 = 0;
    int m1 = 0;
    int m2 = 0;

    int L = s.size();

    reverse(s.begin(),s.end());

    for(int i = 0 ; i < L ; ++i)    {
        if (s[i] == '0')    m0 |= (1 << i);
        if (s[i] == '1')    m1 |= (1 << i);
        if (s[i] == '?')    m2 |= (1 << i);
    }

    if (__builtin_popcount(m0) <= L / 3)    {
        int ans = f1[m1];
        for(int x = m0 ; x ; x = (x - 1) & m0)  {
            if (__builtin_popcount(x) & 1)
                ans -= f1[m1 | x];
            else
                ans += f1[m1 | x];
        }
        return  ans;
    }
    if (__builtin_popcount(m1) <= L / 3)    {
        int ans = f0[m0];
        for(int x = m1 ; x ; x = (x - 1) & m1)  {
            if (__builtin_popcount(x) & 1)
                ans -= f0[m0 | x];
            else
                ans += f0[m0 | x];
        }
        return  ans;
    }
    if (__builtin_popcount(m2) <= L / 3)    {
        int ans = c[m1];
        for(int x = m2 ; x ; x = (x - 1) & m2)
            ans += c[m1 | x];

        return  ans;
    }
}

int main()  {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    int n;  cin >> n;
    int q;  cin >> q;

    int m = (1 << n);

    cin >> s;

    for(int i = 0 ; i < m ; ++i)
        f0[m - i - 1] = f1[i] = c[i] = s[i] - '0';

    for(int i = 0 ; i < n ; ++i)
    for(int j = 0 ; j < m ; ++j)    if (j >> i & 1)
        f0[j ^ (1 << i)] += f0[j],
        f1[j ^ (1 << i)] += f1[j];

    for(int i = 0 ; i < q ; ++i)    {
        cin >> s;
        cout << work() << "\n";
    }
}
/*
4 8
3141592653589793
0101
?01?
??1?
?0??
1?00
01?1
??10
????
*/

Compilation message

snake_escaping.cpp: In function 'int work()':
snake_escaping.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 424 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 424 KB Output is correct
11 Correct 249 ms 15096 KB Output is correct
12 Correct 280 ms 14944 KB Output is correct
13 Correct 314 ms 14080 KB Output is correct
14 Correct 333 ms 14456 KB Output is correct
15 Correct 322 ms 15196 KB Output is correct
16 Correct 333 ms 14404 KB Output is correct
17 Correct 331 ms 14472 KB Output is correct
18 Correct 213 ms 16120 KB Output is correct
19 Correct 257 ms 13108 KB Output is correct
20 Correct 271 ms 14840 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 424 KB Output is correct
11 Correct 249 ms 15096 KB Output is correct
12 Correct 280 ms 14944 KB Output is correct
13 Correct 314 ms 14080 KB Output is correct
14 Correct 333 ms 14456 KB Output is correct
15 Correct 322 ms 15196 KB Output is correct
16 Correct 333 ms 14404 KB Output is correct
17 Correct 331 ms 14472 KB Output is correct
18 Correct 213 ms 16120 KB Output is correct
19 Correct 257 ms 13108 KB Output is correct
20 Correct 271 ms 14840 KB Output is correct
21 Correct 288 ms 18196 KB Output is correct
22 Correct 317 ms 18296 KB Output is correct
23 Correct 397 ms 17456 KB Output is correct
24 Correct 540 ms 17412 KB Output is correct
25 Correct 346 ms 19204 KB Output is correct
26 Correct 413 ms 17712 KB Output is correct
27 Correct 424 ms 17780 KB Output is correct
28 Correct 231 ms 20344 KB Output is correct
29 Correct 291 ms 16092 KB Output is correct
30 Correct 310 ms 18424 KB Output is correct
31 Correct 367 ms 18168 KB Output is correct
32 Correct 414 ms 18284 KB Output is correct
33 Correct 329 ms 17276 KB Output is correct
34 Correct 391 ms 17248 KB Output is correct
35 Correct 390 ms 17724 KB Output is correct
36 Correct 227 ms 16220 KB Output is correct
37 Correct 299 ms 18328 KB Output is correct
38 Correct 328 ms 16248 KB Output is correct
39 Correct 364 ms 17272 KB Output is correct
40 Correct 392 ms 17344 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 424 KB Output is correct
11 Correct 66 ms 13080 KB Output is correct
12 Correct 68 ms 13080 KB Output is correct
13 Correct 85 ms 13052 KB Output is correct
14 Correct 95 ms 13000 KB Output is correct
15 Correct 80 ms 13076 KB Output is correct
16 Correct 89 ms 13080 KB Output is correct
17 Correct 92 ms 13084 KB Output is correct
18 Correct 60 ms 13184 KB Output is correct
19 Correct 67 ms 12956 KB Output is correct
20 Correct 69 ms 13080 KB Output is correct
21 Correct 76 ms 13076 KB Output is correct
22 Correct 90 ms 13052 KB Output is correct
23 Correct 71 ms 12924 KB Output is correct
24 Correct 93 ms 13032 KB Output is correct
25 Correct 99 ms 13088 KB Output is correct
26 Correct 63 ms 12964 KB Output is correct
27 Correct 66 ms 13080 KB Output is correct
28 Correct 73 ms 12952 KB Output is correct
29 Correct 77 ms 12952 KB Output is correct
30 Correct 74 ms 13080 KB Output is correct
31 Correct 73 ms 13080 KB Output is correct
32 Correct 95 ms 13208 KB Output is correct
33 Correct 91 ms 13080 KB Output is correct
34 Correct 58 ms 12824 KB Output is correct
35 Correct 78 ms 13080 KB Output is correct
36 Correct 77 ms 13080 KB Output is correct
37 Correct 100 ms 13000 KB Output is correct
38 Correct 84 ms 12952 KB Output is correct
39 Correct 86 ms 13156 KB Output is correct
40 Correct 81 ms 12952 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 424 KB Output is correct
11 Correct 249 ms 15096 KB Output is correct
12 Correct 280 ms 14944 KB Output is correct
13 Correct 314 ms 14080 KB Output is correct
14 Correct 333 ms 14456 KB Output is correct
15 Correct 322 ms 15196 KB Output is correct
16 Correct 333 ms 14404 KB Output is correct
17 Correct 331 ms 14472 KB Output is correct
18 Correct 213 ms 16120 KB Output is correct
19 Correct 257 ms 13108 KB Output is correct
20 Correct 271 ms 14840 KB Output is correct
21 Correct 288 ms 18196 KB Output is correct
22 Correct 317 ms 18296 KB Output is correct
23 Correct 397 ms 17456 KB Output is correct
24 Correct 540 ms 17412 KB Output is correct
25 Correct 346 ms 19204 KB Output is correct
26 Correct 413 ms 17712 KB Output is correct
27 Correct 424 ms 17780 KB Output is correct
28 Correct 231 ms 20344 KB Output is correct
29 Correct 291 ms 16092 KB Output is correct
30 Correct 310 ms 18424 KB Output is correct
31 Correct 367 ms 18168 KB Output is correct
32 Correct 414 ms 18284 KB Output is correct
33 Correct 329 ms 17276 KB Output is correct
34 Correct 391 ms 17248 KB Output is correct
35 Correct 390 ms 17724 KB Output is correct
36 Correct 227 ms 16220 KB Output is correct
37 Correct 299 ms 18328 KB Output is correct
38 Correct 328 ms 16248 KB Output is correct
39 Correct 364 ms 17272 KB Output is correct
40 Correct 392 ms 17344 KB Output is correct
41 Correct 66 ms 13080 KB Output is correct
42 Correct 68 ms 13080 KB Output is correct
43 Correct 85 ms 13052 KB Output is correct
44 Correct 95 ms 13000 KB Output is correct
45 Correct 80 ms 13076 KB Output is correct
46 Correct 89 ms 13080 KB Output is correct
47 Correct 92 ms 13084 KB Output is correct
48 Correct 60 ms 13184 KB Output is correct
49 Correct 67 ms 12956 KB Output is correct
50 Correct 69 ms 13080 KB Output is correct
51 Correct 76 ms 13076 KB Output is correct
52 Correct 90 ms 13052 KB Output is correct
53 Correct 71 ms 12924 KB Output is correct
54 Correct 93 ms 13032 KB Output is correct
55 Correct 99 ms 13088 KB Output is correct
56 Correct 63 ms 12964 KB Output is correct
57 Correct 66 ms 13080 KB Output is correct
58 Correct 73 ms 12952 KB Output is correct
59 Correct 77 ms 12952 KB Output is correct
60 Correct 74 ms 13080 KB Output is correct
61 Correct 73 ms 13080 KB Output is correct
62 Correct 95 ms 13208 KB Output is correct
63 Correct 91 ms 13080 KB Output is correct
64 Correct 58 ms 12824 KB Output is correct
65 Correct 78 ms 13080 KB Output is correct
66 Correct 77 ms 13080 KB Output is correct
67 Correct 100 ms 13000 KB Output is correct
68 Correct 84 ms 12952 KB Output is correct
69 Correct 86 ms 13156 KB Output is correct
70 Correct 81 ms 12952 KB Output is correct
71 Correct 589 ms 35868 KB Output is correct
72 Correct 568 ms 37536 KB Output is correct
73 Correct 682 ms 36144 KB Output is correct
74 Correct 849 ms 36372 KB Output is correct
75 Correct 512 ms 38424 KB Output is correct
76 Correct 872 ms 36700 KB Output is correct
77 Correct 952 ms 36660 KB Output is correct
78 Correct 340 ms 40512 KB Output is correct
79 Correct 589 ms 34552 KB Output is correct
80 Correct 506 ms 37628 KB Output is correct
81 Correct 697 ms 37304 KB Output is correct
82 Correct 926 ms 36380 KB Output is correct
83 Correct 511 ms 35712 KB Output is correct
84 Correct 981 ms 36352 KB Output is correct
85 Correct 1044 ms 36584 KB Output is correct
86 Correct 280 ms 34392 KB Output is correct
87 Correct 467 ms 37368 KB Output is correct
88 Correct 489 ms 34252 KB Output is correct
89 Correct 661 ms 36084 KB Output is correct
90 Correct 578 ms 36336 KB Output is correct
91 Correct 558 ms 35524 KB Output is correct
92 Correct 1070 ms 36740 KB Output is correct
93 Correct 1085 ms 36644 KB Output is correct
94 Correct 308 ms 34348 KB Output is correct
95 Correct 860 ms 36336 KB Output is correct
96 Correct 926 ms 36448 KB Output is correct
97 Correct 866 ms 36316 KB Output is correct
98 Correct 1016 ms 36400 KB Output is correct
99 Correct 831 ms 36568 KB Output is correct
100 Correct 905 ms 36436 KB Output is correct