답안 #126930

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
126930	2019-07-08T16:03:16 Z	EntityIT	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	1070 ms	39284 KB

snake_escaping

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #126930

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 25.0 / 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
25.0 / 25.0