답안 #92373 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
92373	2019-01-02T16:47:44 Z	Alexa2001	Snake Escaping (JOI18_snake_escaping)	C++17	75 / 100	2000 ms	44808 KB

snake_escaping

#include <bits/stdc++.h>

using namespace std;

const int Nmax = (1<<20);

int n, q;
string Val;
int val[Nmax], up[Nmax], down[Nmax], bits[Nmax];

void precalc()
{
    int i, j;
    for(i=0; i<(1<<n); ++i)
        bits[i] = __builtin_popcount(i), up[i] = down[i] = val[i] = Val[i] - '0';

    for(i=0; i<n; ++i)
        for(j=0; j<(1<<n); ++j)
            if(j & (1<<i))
                up[j ^ (1<<i)] += up[j];
            else down[j ^ (1<<i)] += down[j];
}

int solveQ(int mask, int que)
{
    int i, ans = 0;
    for(i=que; ; i = (i-1) & que)
    {
        ans += val[i ^ mask];
        if(i == 0) return ans;
    }
}

int solve0(int mask0, int mask1, int maskq)
{
    int i, ans = 0;
    for(i=mask0; ; i = (i-1) & mask0)
    {
        if(bits[i] & 1) ans -= up[mask1 ^ i];
            else ans += up[mask1 ^ i];
        if(i == 0) return ans;
    }
}

int solve1(int mask0, int mask1, int maskq)
{
    int i, ans = 0;
    for(i=mask1; ; i = (i-1) & mask1)
    {
        if(bits[i] & 1) ans -= down[maskq ^ mask1 ^ i];
            else ans += down[maskq ^ mask1 ^ i];
        if(i == 0) return ans;
    }
}

int query()
{
    string S;
    cin >> S;
    reverse(S.begin(), S.end());

    int i, mask0 = 0, mask1 = 0, maskq = 0;
    for(i=0; i<n; ++i)
    {
        if(S[i] == '0') mask0 ^= (1<<i);
            else if(S[i] == '1') mask1 ^= (1<<i);
                else maskq ^= (1<<i);
    }

    if(bits[maskq] <= bits[mask0] && bits[maskq] <= bits[mask1]) return solveQ(mask1, maskq);
    else if(bits[mask0] < bits[mask1]) return solve0(mask0, mask1, maskq);
        else return solve1(mask0, mask1, maskq);
}

int main()
{
  //  freopen("input", "r", stdin);
    cin.sync_with_stdio(false);

    cin >> n >> q;
    cin >> Val;

    precalc();
    while(q--)
        cout << query() << '\n';

    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 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	3 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	3 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 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	3 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	3 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct
11	Correct	1424 ms	15176 KB	Output is correct
12	Correct	1419 ms	14976 KB	Output is correct
13	Correct	1460 ms	14220 KB	Output is correct
14	Correct	1439 ms	14328 KB	Output is correct
15	Correct	1444 ms	15224 KB	Output is correct
16	Correct	1461 ms	14328 KB	Output is correct
17	Correct	1459 ms	14444 KB	Output is correct
18	Correct	1388 ms	16248 KB	Output is correct
19	Correct	1400 ms	13432 KB	Output is correct
20	Correct	1433 ms	14784 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 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	3 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	3 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct
11	Correct	1424 ms	15176 KB	Output is correct
12	Correct	1419 ms	14976 KB	Output is correct
13	Correct	1460 ms	14220 KB	Output is correct
14	Correct	1439 ms	14328 KB	Output is correct
15	Correct	1444 ms	15224 KB	Output is correct
16	Correct	1461 ms	14328 KB	Output is correct
17	Correct	1459 ms	14444 KB	Output is correct
18	Correct	1388 ms	16248 KB	Output is correct
19	Correct	1400 ms	13432 KB	Output is correct
20	Correct	1433 ms	14784 KB	Output is correct
21	Correct	1447 ms	18200 KB	Output is correct
22	Correct	1471 ms	18556 KB	Output is correct
23	Correct	1476 ms	17384 KB	Output is correct
24	Correct	1484 ms	17108 KB	Output is correct
25	Correct	1484 ms	19124 KB	Output is correct
26	Correct	1514 ms	17764 KB	Output is correct
27	Correct	1519 ms	17656 KB	Output is correct
28	Correct	1440 ms	20228 KB	Output is correct
29	Correct	1466 ms	16396 KB	Output is correct
30	Correct	1501 ms	18488 KB	Output is correct
31	Correct	1476 ms	18204 KB	Output is correct
32	Correct	1495 ms	18296 KB	Output is correct
33	Correct	1455 ms	17144 KB	Output is correct
34	Correct	1521 ms	17216 KB	Output is correct
35	Correct	1547 ms	17844 KB	Output is correct
36	Correct	1381 ms	16392 KB	Output is correct
37	Correct	1440 ms	18296 KB	Output is correct
38	Correct	1448 ms	16376 KB	Output is correct
39	Correct	1525 ms	17508 KB	Output is correct
40	Correct	1490 ms	17336 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 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	3 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	3 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct
11	Correct	135 ms	20324 KB	Output is correct
12	Correct	133 ms	20440 KB	Output is correct
13	Correct	139 ms	20120 KB	Output is correct
14	Correct	152 ms	20152 KB	Output is correct
15	Correct	129 ms	20380 KB	Output is correct
16	Correct	164 ms	20152 KB	Output is correct
17	Correct	154 ms	20160 KB	Output is correct
18	Correct	118 ms	20392 KB	Output is correct
19	Correct	131 ms	20116 KB	Output is correct
20	Correct	132 ms	20248 KB	Output is correct
21	Correct	144 ms	20244 KB	Output is correct
22	Correct	157 ms	20248 KB	Output is correct
23	Correct	138 ms	20416 KB	Output is correct
24	Correct	158 ms	20216 KB	Output is correct
25	Correct	151 ms	20248 KB	Output is correct
26	Correct	117 ms	20120 KB	Output is correct
27	Correct	131 ms	20236 KB	Output is correct
28	Correct	132 ms	20124 KB	Output is correct
29	Correct	140 ms	20220 KB	Output is correct
30	Correct	144 ms	20168 KB	Output is correct
31	Correct	134 ms	20184 KB	Output is correct
32	Correct	167 ms	20236 KB	Output is correct
33	Correct	153 ms	20172 KB	Output is correct
34	Correct	118 ms	20012 KB	Output is correct
35	Correct	148 ms	20144 KB	Output is correct
36	Correct	149 ms	20248 KB	Output is correct
37	Correct	150 ms	20120 KB	Output is correct
38	Correct	145 ms	20244 KB	Output is correct
39	Correct	147 ms	20376 KB	Output is correct
40	Correct	141 ms	20172 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 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	3 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	3 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	3 ms	376 KB	Output is correct
11	Correct	1424 ms	15176 KB	Output is correct
12	Correct	1419 ms	14976 KB	Output is correct
13	Correct	1460 ms	14220 KB	Output is correct
14	Correct	1439 ms	14328 KB	Output is correct
15	Correct	1444 ms	15224 KB	Output is correct
16	Correct	1461 ms	14328 KB	Output is correct
17	Correct	1459 ms	14444 KB	Output is correct
18	Correct	1388 ms	16248 KB	Output is correct
19	Correct	1400 ms	13432 KB	Output is correct
20	Correct	1433 ms	14784 KB	Output is correct
21	Correct	1447 ms	18200 KB	Output is correct
22	Correct	1471 ms	18556 KB	Output is correct
23	Correct	1476 ms	17384 KB	Output is correct
24	Correct	1484 ms	17108 KB	Output is correct
25	Correct	1484 ms	19124 KB	Output is correct
26	Correct	1514 ms	17764 KB	Output is correct
27	Correct	1519 ms	17656 KB	Output is correct
28	Correct	1440 ms	20228 KB	Output is correct
29	Correct	1466 ms	16396 KB	Output is correct
30	Correct	1501 ms	18488 KB	Output is correct
31	Correct	1476 ms	18204 KB	Output is correct
32	Correct	1495 ms	18296 KB	Output is correct
33	Correct	1455 ms	17144 KB	Output is correct
34	Correct	1521 ms	17216 KB	Output is correct
35	Correct	1547 ms	17844 KB	Output is correct
36	Correct	1381 ms	16392 KB	Output is correct
37	Correct	1440 ms	18296 KB	Output is correct
38	Correct	1448 ms	16376 KB	Output is correct
39	Correct	1525 ms	17508 KB	Output is correct
40	Correct	1490 ms	17336 KB	Output is correct
41	Correct	135 ms	20324 KB	Output is correct
42	Correct	133 ms	20440 KB	Output is correct
43	Correct	139 ms	20120 KB	Output is correct
44	Correct	152 ms	20152 KB	Output is correct
45	Correct	129 ms	20380 KB	Output is correct
46	Correct	164 ms	20152 KB	Output is correct
47	Correct	154 ms	20160 KB	Output is correct
48	Correct	118 ms	20392 KB	Output is correct
49	Correct	131 ms	20116 KB	Output is correct
50	Correct	132 ms	20248 KB	Output is correct
51	Correct	144 ms	20244 KB	Output is correct
52	Correct	157 ms	20248 KB	Output is correct
53	Correct	138 ms	20416 KB	Output is correct
54	Correct	158 ms	20216 KB	Output is correct
55	Correct	151 ms	20248 KB	Output is correct
56	Correct	117 ms	20120 KB	Output is correct
57	Correct	131 ms	20236 KB	Output is correct
58	Correct	132 ms	20124 KB	Output is correct
59	Correct	140 ms	20220 KB	Output is correct
60	Correct	144 ms	20168 KB	Output is correct
61	Correct	134 ms	20184 KB	Output is correct
62	Correct	167 ms	20236 KB	Output is correct
63	Correct	153 ms	20172 KB	Output is correct
64	Correct	118 ms	20012 KB	Output is correct
65	Correct	148 ms	20144 KB	Output is correct
66	Correct	149 ms	20248 KB	Output is correct
67	Correct	150 ms	20120 KB	Output is correct
68	Correct	145 ms	20244 KB	Output is correct
69	Correct	147 ms	20376 KB	Output is correct
70	Correct	141 ms	20172 KB	Output is correct
71	Correct	1721 ms	44548 KB	Output is correct
72	Correct	1769 ms	44808 KB	Output is correct
73	Correct	1961 ms	43412 KB	Output is correct
74	Execution timed out	2029 ms	41316 KB	Time limit exceeded
75	Halted	0 ms	0 KB	-

답안 #92373

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