답안 #126920

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
126920	2019-07-08T15:50:52 Z	EntityIT	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	2000 ms	31552 KB

snake_escaping

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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	-

답안 #126920

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 10.0 / 10.0

Subtask #4 53.0 / 53.0

Subtask #5 0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
10.0 / 10.0

Subtask #4
53.0 / 53.0

Subtask #5
0 / 25.0