oj.uz

Submission #126930

# Submission time Handle Problem Language Result Execution time Memory
126930 2019-07-08T16:03:16 Z EntityIT Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
 1070 ms 39284 KB 
#include<bits/stdc++.h>

using namespace std;

const int MAX_L = 20;
int L, q, sum[2][1 << MAX_L];
string s;

bool checkBit (int _a, int _bit) { return (_a >> _bit) & 1; }

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

//    freopen("test.INP", "r", stdin);

    cin >> L >> q >> s;

    for (int i = 0; i < (1 << L); ++i) sum[0][i] = sum[1][i] = s[i] - '0';
    for (int i = 0; i < L; ++i) {
        for (int j = 0; j < (1 << L); ++j) {
            if (checkBit(j, i) ) sum[0][j] += sum[0][j ^ (1 << i)];
            else sum[1][j] += sum[1][j ^ (1 << i)];
        }
    }

    while (q --) {
        string t; cin >> t; reverse(t.begin(), t.end() );
        int maskQ = 0, maskO1 = 0, maskO0 = 0;
        for (int i = 0; i < L; ++i) {
            if (t[i] == '?') maskQ |= (1 << i);
            else if (t[i] == '1') maskO1 |= (1 << i);
            else maskO0 |= (1 << i);
        }
        int ans = 0;
        if (__builtin_popcount(maskQ) <= L / 3) {
            for (int subMask = maskQ; ; subMask = (subMask - 1) & maskQ) {
                ans += s[subMask | maskO1] - '0';
                if (!subMask) break ;
            }
        }
        else if (__builtin_popcount(maskO1) <= L / 3) {
            for (int subMask = maskO1; ; subMask = (subMask - 1) & maskO1) {
                if ( (__builtin_popcount(maskO1) - __builtin_popcount(subMask & maskO1) ) & 1) ans -= sum[0][maskQ | subMask];
                else ans += sum[0][maskQ | subMask];
                if (!subMask) break ;
            }
        }
        else {
            for (int subMask = maskO0; ; subMask = (subMask - 1) & maskO0) {
                if (__builtin_popcount(subMask) & 1) ans -= sum[1][maskO1 | subMask];
                else ans += sum[1][maskO1 | subMask];
                if (!subMask) break ;
            }
        }
        cout << ans << '\n';
    }

    return 0;
}

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 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 376 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 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 258 ms 6904 KB Output is correct
12 Correct 257 ms 6500 KB Output is correct
13 Correct 281 ms 5752 KB Output is correct
14 Correct 275 ms 5880 KB Output is correct
15 Correct 289 ms 6840 KB Output is correct
16 Correct 303 ms 5932 KB Output is correct
17 Correct 311 ms 6008 KB Output is correct
18 Correct 200 ms 7800 KB Output is correct
19 Correct 237 ms 4728 KB Output is correct
20 Correct 269 ms 6528 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 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 258 ms 6904 KB Output is correct
12 Correct 257 ms 6500 KB Output is correct
13 Correct 281 ms 5752 KB Output is correct
14 Correct 275 ms 5880 KB Output is correct
15 Correct 289 ms 6840 KB Output is correct
16 Correct 303 ms 5932 KB Output is correct
17 Correct 311 ms 6008 KB Output is correct
18 Correct 200 ms 7800 KB Output is correct
19 Correct 237 ms 4728 KB Output is correct
20 Correct 269 ms 6528 KB Output is correct
21 Correct 284 ms 6892 KB Output is correct
22 Correct 286 ms 7032 KB Output is correct
23 Correct 317 ms 6108 KB Output is correct
24 Correct 334 ms 6040 KB Output is correct
25 Correct 331 ms 7800 KB Output is correct
26 Correct 348 ms 6136 KB Output is correct
27 Correct 348 ms 5908 KB Output is correct
28 Correct 210 ms 8312 KB Output is correct
29 Correct 273 ms 4348 KB Output is correct
30 Correct 308 ms 6380 KB Output is correct
31 Correct 359 ms 6356 KB Output is correct
32 Correct 393 ms 6392 KB Output is correct
33 Correct 296 ms 5200 KB Output is correct
34 Correct 329 ms 5112 KB Output is correct
35 Correct 349 ms 5748 KB Output is correct
36 Correct 215 ms 3832 KB Output is correct
37 Correct 272 ms 5880 KB Output is correct
38 Correct 283 ms 3576 KB Output is correct
39 Correct 317 ms 4796 KB Output is correct
40 Correct 323 ms 4472 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 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 64 ms 10876 KB Output is correct
12 Correct 64 ms 10776 KB Output is correct
13 Correct 67 ms 10648 KB Output is correct
14 Correct 96 ms 10812 KB Output is correct
15 Correct 69 ms 10776 KB Output is correct
16 Correct 91 ms 10648 KB Output is correct
17 Correct 88 ms 10672 KB Output is correct
18 Correct 59 ms 10904 KB Output is correct
19 Correct 63 ms 10648 KB Output is correct
20 Correct 68 ms 10904 KB Output is correct
21 Correct 77 ms 10680 KB Output is correct
22 Correct 86 ms 10652 KB Output is correct
23 Correct 64 ms 10776 KB Output is correct
24 Correct 70 ms 10648 KB Output is correct
25 Correct 80 ms 10648 KB Output is correct
26 Correct 58 ms 10280 KB Output is correct
27 Correct 65 ms 10644 KB Output is correct
28 Correct 64 ms 10520 KB Output is correct
29 Correct 68 ms 10652 KB Output is correct
30 Correct 71 ms 10648 KB Output is correct
31 Correct 64 ms 10516 KB Output is correct
32 Correct 80 ms 10520 KB Output is correct
33 Correct 82 ms 10624 KB Output is correct
34 Correct 58 ms 10520 KB Output is correct
35 Correct 74 ms 10500 KB Output is correct
36 Correct 74 ms 10692 KB Output is correct
37 Correct 73 ms 10520 KB Output is correct
38 Correct 73 ms 10552 KB Output is correct
39 Correct 74 ms 10520 KB Output is correct
40 Correct 75 ms 10520 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 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 258 ms 6904 KB Output is correct
12 Correct 257 ms 6500 KB Output is correct
13 Correct 281 ms 5752 KB Output is correct
14 Correct 275 ms 5880 KB Output is correct
15 Correct 289 ms 6840 KB Output is correct
16 Correct 303 ms 5932 KB Output is correct
17 Correct 311 ms 6008 KB Output is correct
18 Correct 200 ms 7800 KB Output is correct
19 Correct 237 ms 4728 KB Output is correct
20 Correct 269 ms 6528 KB Output is correct
21 Correct 284 ms 6892 KB Output is correct
22 Correct 286 ms 7032 KB Output is correct
23 Correct 317 ms 6108 KB Output is correct
24 Correct 334 ms 6040 KB Output is correct
25 Correct 331 ms 7800 KB Output is correct
26 Correct 348 ms 6136 KB Output is correct
27 Correct 348 ms 5908 KB Output is correct
28 Correct 210 ms 8312 KB Output is correct
29 Correct 273 ms 4348 KB Output is correct
30 Correct 308 ms 6380 KB Output is correct
31 Correct 359 ms 6356 KB Output is correct
32 Correct 393 ms 6392 KB Output is correct
33 Correct 296 ms 5200 KB Output is correct
34 Correct 329 ms 5112 KB Output is correct
35 Correct 349 ms 5748 KB Output is correct
36 Correct 215 ms 3832 KB Output is correct
37 Correct 272 ms 5880 KB Output is correct
38 Correct 283 ms 3576 KB Output is correct
39 Correct 317 ms 4796 KB Output is correct
40 Correct 323 ms 4472 KB Output is correct
41 Correct 64 ms 10876 KB Output is correct
42 Correct 64 ms 10776 KB Output is correct
43 Correct 67 ms 10648 KB Output is correct
44 Correct 96 ms 10812 KB Output is correct
45 Correct 69 ms 10776 KB Output is correct
46 Correct 91 ms 10648 KB Output is correct
47 Correct 88 ms 10672 KB Output is correct
48 Correct 59 ms 10904 KB Output is correct
49 Correct 63 ms 10648 KB Output is correct
50 Correct 68 ms 10904 KB Output is correct
51 Correct 77 ms 10680 KB Output is correct
52 Correct 86 ms 10652 KB Output is correct
53 Correct 64 ms 10776 KB Output is correct
54 Correct 70 ms 10648 KB Output is correct
55 Correct 80 ms 10648 KB Output is correct
56 Correct 58 ms 10280 KB Output is correct
57 Correct 65 ms 10644 KB Output is correct
58 Correct 64 ms 10520 KB Output is correct
59 Correct 68 ms 10652 KB Output is correct
60 Correct 71 ms 10648 KB Output is correct
61 Correct 64 ms 10516 KB Output is correct
62 Correct 80 ms 10520 KB Output is correct
63 Correct 82 ms 10624 KB Output is correct
64 Correct 58 ms 10520 KB Output is correct
65 Correct 74 ms 10500 KB Output is correct
66 Correct 74 ms 10692 KB Output is correct
67 Correct 73 ms 10520 KB Output is correct
68 Correct 73 ms 10552 KB Output is correct
69 Correct 74 ms 10520 KB Output is correct
70 Correct 75 ms 10520 KB Output is correct
71 Correct 529 ms 15428 KB Output is correct
72 Correct 534 ms 36508 KB Output is correct
73 Correct 571 ms 35096 KB Output is correct
74 Correct 974 ms 35308 KB Output is correct
75 Correct 600 ms 37400 KB Output is correct
76 Correct 1070 ms 35608 KB Output is correct
77 Correct 859 ms 35540 KB Output is correct
78 Correct 347 ms 39284 KB Output is correct
79 Correct 464 ms 33396 KB Output is correct
80 Correct 574 ms 36632 KB Output is correct
81 Correct 749 ms 36420 KB Output is correct
82 Correct 929 ms 35412 KB Output is correct
83 Correct 488 ms 34424 KB Output is correct
84 Correct 638 ms 35408 KB Output is correct
85 Correct 906 ms 35536 KB Output is correct
86 Correct 370 ms 33340 KB Output is correct
87 Correct 504 ms 36176 KB Output is correct
88 Correct 499 ms 33188 KB Output is correct
89 Correct 573 ms 34932 KB Output is correct
90 Correct 621 ms 35300 KB Output is correct
91 Correct 462 ms 34500 KB Output is correct
92 Correct 863 ms 35580 KB Output is correct
93 Correct 862 ms 35416 KB Output is correct
94 Correct 326 ms 33304 KB Output is correct
95 Correct 738 ms 35480 KB Output is correct
96 Correct 704 ms 35348 KB Output is correct
97 Correct 753 ms 35336 KB Output is correct
98 Correct 730 ms 35372 KB Output is correct
99 Correct 763 ms 35372 KB Output is correct
100 Correct 758 ms 35560 KB Output is correct