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Submission #126920

# Submission time Handle Problem Language Result Execution time Memory
126920 2019-07-08T15:50:52 Z EntityIT Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 2000 ms 31552 KB 
#include<bits/stdc++.h>

using namespace std;

const int MAX_L = 20;
int L, q, sum[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[i] = s[i] - '0';
    for (int i = 0; i < L; ++i) {
        for (int j = 0; j < (1 << L); ++j) if (checkBit(j, i) ) sum[j] += sum[j ^ (1 << i)];
    }

    while (q --) {
        string t; cin >> t; reverse(t.begin(), t.end() );
        int maskQ = 0, maskO = 0;
        for (int i = 0; i < L; ++i) {
            if (t[i] == '?') maskQ |= (1 << i);
            if (t[i] == '1') maskO |= (1 << i);
        }
        int ans = 0;
        if (__builtin_popcount(maskQ) <= L / 2) {
            for (int subMask = maskQ; ; subMask = (subMask - 1) & maskQ) {
                ans += s[subMask | maskO] - '0';
                if (!subMask) break ;
            }
        }
        else {
            for (int subMask = maskO; ; subMask = (subMask - 1) & maskO) {
                if ( (__builtin_popcount(maskO) - __builtin_popcount(subMask & maskO) ) & 1) ans -= sum[maskQ | subMask];
                else ans += sum[maskQ | 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 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 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 376 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 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 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 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 291 ms 15092 KB Output is correct
12 Correct 279 ms 14712 KB Output is correct
13 Correct 243 ms 13944 KB Output is correct
14 Correct 242 ms 14104 KB Output is correct
15 Correct 271 ms 15096 KB Output is correct
16 Correct 273 ms 14244 KB Output is correct
17 Correct 268 ms 14184 KB Output is correct
18 Correct 202 ms 16120 KB Output is correct
19 Correct 203 ms 13104 KB Output is correct
20 Correct 303 ms 14712 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 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 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 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 291 ms 15092 KB Output is correct
12 Correct 279 ms 14712 KB Output is correct
13 Correct 243 ms 13944 KB Output is correct
14 Correct 242 ms 14104 KB Output is correct
15 Correct 271 ms 15096 KB Output is correct
16 Correct 273 ms 14244 KB Output is correct
17 Correct 268 ms 14184 KB Output is correct
18 Correct 202 ms 16120 KB Output is correct
19 Correct 203 ms 13104 KB Output is correct
20 Correct 303 ms 14712 KB Output is correct
21 Correct 656 ms 18028 KB Output is correct
22 Correct 355 ms 18264 KB Output is correct
23 Correct 295 ms 17276 KB Output is correct
24 Correct 280 ms 17016 KB Output is correct
25 Correct 316 ms 19116 KB Output is correct
26 Correct 322 ms 17692 KB Output is correct
27 Correct 320 ms 17576 KB Output is correct
28 Correct 216 ms 20060 KB Output is correct
29 Correct 210 ms 16104 KB Output is correct
30 Correct 434 ms 18248 KB Output is correct
31 Correct 368 ms 18040 KB Output is correct
32 Correct 322 ms 18132 KB Output is correct
33 Correct 260 ms 16996 KB Output is correct
34 Correct 283 ms 17236 KB Output is correct
35 Correct 318 ms 17572 KB Output is correct
36 Correct 204 ms 16120 KB Output is correct
37 Correct 370 ms 18164 KB Output is correct
38 Correct 204 ms 16120 KB Output is correct
39 Correct 306 ms 17376 KB Output is correct
40 Correct 278 ms 17104 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 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 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 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 140 ms 7836 KB Output is correct
12 Correct 98 ms 7952 KB Output is correct
13 Correct 60 ms 7804 KB Output is correct
14 Correct 66 ms 7836 KB Output is correct
15 Correct 61 ms 8080 KB Output is correct
16 Correct 75 ms 7884 KB Output is correct
17 Correct 73 ms 7956 KB Output is correct
18 Correct 49 ms 8092 KB Output is correct
19 Correct 49 ms 7708 KB Output is correct
20 Correct 122 ms 7960 KB Output is correct
21 Correct 141 ms 7960 KB Output is correct
22 Correct 66 ms 7848 KB Output is correct
23 Correct 53 ms 7840 KB Output is correct
24 Correct 60 ms 7804 KB Output is correct
25 Correct 71 ms 7808 KB Output is correct
26 Correct 48 ms 7704 KB Output is correct
27 Correct 138 ms 7856 KB Output is correct
28 Correct 55 ms 7832 KB Output is correct
29 Correct 63 ms 7832 KB Output is correct
30 Correct 60 ms 7808 KB Output is correct
31 Correct 54 ms 7832 KB Output is correct
32 Correct 79 ms 7960 KB Output is correct
33 Correct 71 ms 7832 KB Output is correct
34 Correct 48 ms 7832 KB Output is correct
35 Correct 74 ms 7812 KB Output is correct
36 Correct 74 ms 7832 KB Output is correct
37 Correct 75 ms 7900 KB Output is correct
38 Correct 75 ms 7960 KB Output is correct
39 Correct 76 ms 7808 KB Output is correct
40 Correct 75 ms 7836 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 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 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 291 ms 15092 KB Output is correct
12 Correct 279 ms 14712 KB Output is correct
13 Correct 243 ms 13944 KB Output is correct
14 Correct 242 ms 14104 KB Output is correct
15 Correct 271 ms 15096 KB Output is correct
16 Correct 273 ms 14244 KB Output is correct
17 Correct 268 ms 14184 KB Output is correct
18 Correct 202 ms 16120 KB Output is correct
19 Correct 203 ms 13104 KB Output is correct
20 Correct 303 ms 14712 KB Output is correct
21 Correct 656 ms 18028 KB Output is correct
22 Correct 355 ms 18264 KB Output is correct
23 Correct 295 ms 17276 KB Output is correct
24 Correct 280 ms 17016 KB Output is correct
25 Correct 316 ms 19116 KB Output is correct
26 Correct 322 ms 17692 KB Output is correct
27 Correct 320 ms 17576 KB Output is correct
28 Correct 216 ms 20060 KB Output is correct
29 Correct 210 ms 16104 KB Output is correct
30 Correct 434 ms 18248 KB Output is correct
31 Correct 368 ms 18040 KB Output is correct
32 Correct 322 ms 18132 KB Output is correct
33 Correct 260 ms 16996 KB Output is correct
34 Correct 283 ms 17236 KB Output is correct
35 Correct 318 ms 17572 KB Output is correct
36 Correct 204 ms 16120 KB Output is correct
37 Correct 370 ms 18164 KB Output is correct
38 Correct 204 ms 16120 KB Output is correct
39 Correct 306 ms 17376 KB Output is correct
40 Correct 278 ms 17104 KB Output is correct
41 Correct 140 ms 7836 KB Output is correct
42 Correct 98 ms 7952 KB Output is correct
43 Correct 60 ms 7804 KB Output is correct
44 Correct 66 ms 7836 KB Output is correct
45 Correct 61 ms 8080 KB Output is correct
46 Correct 75 ms 7884 KB Output is correct
47 Correct 73 ms 7956 KB Output is correct
48 Correct 49 ms 8092 KB Output is correct
49 Correct 49 ms 7708 KB Output is correct
50 Correct 122 ms 7960 KB Output is correct
51 Correct 141 ms 7960 KB Output is correct
52 Correct 66 ms 7848 KB Output is correct
53 Correct 53 ms 7840 KB Output is correct
54 Correct 60 ms 7804 KB Output is correct
55 Correct 71 ms 7808 KB Output is correct
56 Correct 48 ms 7704 KB Output is correct
57 Correct 138 ms 7856 KB Output is correct
58 Correct 55 ms 7832 KB Output is correct
59 Correct 63 ms 7832 KB Output is correct
60 Correct 60 ms 7808 KB Output is correct
61 Correct 54 ms 7832 KB Output is correct
62 Correct 79 ms 7960 KB Output is correct
63 Correct 71 ms 7832 KB Output is correct
64 Correct 48 ms 7832 KB Output is correct
65 Correct 74 ms 7812 KB Output is correct
66 Correct 74 ms 7832 KB Output is correct
67 Correct 75 ms 7900 KB Output is correct
68 Correct 75 ms 7960 KB Output is correct
69 Correct 76 ms 7808 KB Output is correct
70 Correct 75 ms 7836 KB Output is correct
71 Execution timed out 2047 ms 31552 KB Time limit exceeded
72 Halted 0 ms 0 KB -