답안 #942245

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
942245	2024-03-10T11:38:18 Z	Ghetto	Homework (CEOI22_homework)	C++17	23 / 100	403 ms	496860 KB

Main

#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
const int MAX_N = 1e6 + 5;

string str;
int n;

set<int> commas_at_depth[4 * MAX_N]; // Starts at 1
int type[4 * MAX_N]; // 1 = min, 2 = max, 3 = leaf
void build(int u, int l, int r, int d) {
    // cout << u << " " << l << " " << r << " " << d << endl;
    if (l == r) {
        type[u] = 3;
        return;
    }

    type[u] = (str[l + 1] == 'i') ? 1 : 2;
    int i = *commas_at_depth[d].lower_bound(l);
    build(2 * u, l + 4, i - 1, d + 1);
    build(2 * u + 1, i + 1, r - 1, d + 1);
}
void precomp() {
    for (int i = 0; i < str.size(); i++) n += (bool) (str[i] == '?');

    int depth = 0;
    for (int i = 0; i < str.size(); i++) {
        if (str[i] == '(') depth++;
        else if (str[i] == ')') depth--;
        else if (str[i] == ',') commas_at_depth[depth].insert(i);
    }

    build(1, 0, str.size() - 1, 1);

    // for (int i = 1; i <= 4 * n; i++) {
    //     cout << i << ": " << type[i] << endl;
    // }    
}

pii find_bounds(int u) {
    if (type[u] == 3) return {0, 0};

    pii l_bounds = find_bounds(2 * u), r_bounds = find_bounds(2 * u + 1);
    int min_bound = (type[u] == 1) ? min(l_bounds.first, r_bounds.first) : l_bounds.first + r_bounds.first + 1;
    int max_bound = (type[u] == 1) ? l_bounds.second + r_bounds.second + 1 : min(l_bounds.second, r_bounds.second);
    return {min_bound, max_bound};
}

int main() {
    // freopen("homework.in", "r", stdin);

    cin >> str;
    precomp();

    pii bounds = find_bounds(1);
    int ans = n - bounds.first - bounds.second;
    cout << ans << '\n';
}

Compilation message

Main.cpp: In function 'void precomp()':
Main.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for (int i = 0; i < str.size(); i++) n += (bool) (str[i] == '?');
      |                     ~~^~~~~~~~~~~~
Main.cpp:27:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for (int i = 0; i < str.size(); i++) {
      |                     ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	189264 KB	Output is correct
2	Correct	39 ms	189272 KB	Output is correct
3	Correct	37 ms	189276 KB	Output is correct
4	Correct	38 ms	189268 KB	Output is correct
5	Correct	37 ms	189276 KB	Output is correct
6	Correct	39 ms	189264 KB	Output is correct
7	Correct	37 ms	189268 KB	Output is correct
8	Correct	38 ms	189276 KB	Output is correct
9	Correct	37 ms	189272 KB	Output is correct
10	Correct	39 ms	189352 KB	Output is correct
11	Correct	38 ms	189268 KB	Output is correct
12	Correct	38 ms	189276 KB	Output is correct
13	Correct	38 ms	189276 KB	Output is correct
14	Correct	38 ms	189264 KB	Output is correct
15	Correct	39 ms	189264 KB	Output is correct
16	Correct	47 ms	189264 KB	Output is correct
17	Correct	39 ms	189276 KB	Output is correct
18	Correct	38 ms	189276 KB	Output is correct
19	Correct	37 ms	189288 KB	Output is correct
20	Correct	42 ms	189168 KB	Output is correct
21	Correct	44 ms	189340 KB	Output is correct
22	Correct	38 ms	189404 KB	Output is correct
23	Correct	37 ms	189264 KB	Output is correct
24	Correct	40 ms	189364 KB	Output is correct
25	Correct	39 ms	189268 KB	Output is correct
26	Correct	37 ms	189160 KB	Output is correct
27	Correct	38 ms	189268 KB	Output is correct
28	Correct	39 ms	189264 KB	Output is correct

Subtask #2
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	189264 KB	Output is correct
2	Correct	39 ms	189272 KB	Output is correct
3	Correct	37 ms	189276 KB	Output is correct
4	Correct	38 ms	189268 KB	Output is correct
5	Correct	37 ms	189276 KB	Output is correct
6	Correct	39 ms	189264 KB	Output is correct
7	Correct	37 ms	189268 KB	Output is correct
8	Correct	38 ms	189276 KB	Output is correct
9	Correct	37 ms	189272 KB	Output is correct
10	Correct	39 ms	189352 KB	Output is correct
11	Correct	38 ms	189268 KB	Output is correct
12	Correct	38 ms	189276 KB	Output is correct
13	Correct	38 ms	189276 KB	Output is correct
14	Correct	38 ms	189264 KB	Output is correct
15	Correct	39 ms	189264 KB	Output is correct
16	Correct	47 ms	189264 KB	Output is correct
17	Correct	39 ms	189276 KB	Output is correct
18	Correct	38 ms	189276 KB	Output is correct
19	Correct	37 ms	189288 KB	Output is correct
20	Correct	42 ms	189168 KB	Output is correct
21	Correct	44 ms	189340 KB	Output is correct
22	Correct	38 ms	189404 KB	Output is correct
23	Correct	37 ms	189264 KB	Output is correct
24	Correct	40 ms	189364 KB	Output is correct
25	Correct	39 ms	189268 KB	Output is correct
26	Correct	37 ms	189160 KB	Output is correct
27	Correct	38 ms	189268 KB	Output is correct
28	Correct	39 ms	189264 KB	Output is correct
29	Correct	37 ms	189264 KB	Output is correct
30	Correct	39 ms	189244 KB	Output is correct
31	Correct	37 ms	189196 KB	Output is correct
32	Correct	39 ms	189180 KB	Output is correct
33	Correct	41 ms	189780 KB	Output is correct
34	Correct	37 ms	189268 KB	Output is correct
35	Correct	37 ms	189272 KB	Output is correct
36	Correct	37 ms	189276 KB	Output is correct
37	Correct	39 ms	189264 KB	Output is correct
38	Correct	40 ms	189400 KB	Output is correct
39	Correct	40 ms	189424 KB	Output is correct
40	Correct	37 ms	189264 KB	Output is correct
41	Correct	38 ms	189268 KB	Output is correct
42	Correct	38 ms	189268 KB	Output is correct
43	Correct	43 ms	189264 KB	Output is correct
44	Correct	40 ms	191568 KB	Output is correct
45	Correct	37 ms	189268 KB	Output is correct
46	Correct	39 ms	189272 KB	Output is correct
47	Correct	38 ms	189380 KB	Output is correct
48	Correct	38 ms	191288 KB	Output is correct
49	Correct	37 ms	189324 KB	Output is correct
50	Correct	37 ms	189368 KB	Output is correct
51	Correct	39 ms	189276 KB	Output is correct
52	Correct	38 ms	189228 KB	Output is correct
53	Correct	42 ms	189272 KB	Output is correct
54	Correct	38 ms	189520 KB	Output is correct
55	Correct	38 ms	189276 KB	Output is correct
56	Correct	38 ms	189268 KB	Output is correct

Subtask #3
0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	403 ms	496860 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #4
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	189264 KB	Output is correct
2	Correct	39 ms	189272 KB	Output is correct
3	Correct	37 ms	189276 KB	Output is correct
4	Correct	38 ms	189268 KB	Output is correct
5	Correct	37 ms	189276 KB	Output is correct
6	Correct	39 ms	189264 KB	Output is correct
7	Correct	37 ms	189268 KB	Output is correct
8	Correct	38 ms	189276 KB	Output is correct
9	Correct	37 ms	189272 KB	Output is correct
10	Correct	39 ms	189352 KB	Output is correct
11	Correct	38 ms	189268 KB	Output is correct
12	Correct	38 ms	189276 KB	Output is correct
13	Correct	38 ms	189276 KB	Output is correct
14	Correct	38 ms	189264 KB	Output is correct
15	Correct	39 ms	189264 KB	Output is correct
16	Correct	47 ms	189264 KB	Output is correct
17	Correct	39 ms	189276 KB	Output is correct
18	Correct	38 ms	189276 KB	Output is correct
19	Correct	37 ms	189288 KB	Output is correct
20	Correct	42 ms	189168 KB	Output is correct
21	Correct	44 ms	189340 KB	Output is correct
22	Correct	38 ms	189404 KB	Output is correct
23	Correct	37 ms	189264 KB	Output is correct
24	Correct	40 ms	189364 KB	Output is correct
25	Correct	39 ms	189268 KB	Output is correct
26	Correct	37 ms	189160 KB	Output is correct
27	Correct	38 ms	189268 KB	Output is correct
28	Correct	39 ms	189264 KB	Output is correct
29	Correct	37 ms	189264 KB	Output is correct
30	Correct	39 ms	189244 KB	Output is correct
31	Correct	37 ms	189196 KB	Output is correct
32	Correct	39 ms	189180 KB	Output is correct
33	Correct	41 ms	189780 KB	Output is correct
34	Correct	37 ms	189268 KB	Output is correct
35	Correct	37 ms	189272 KB	Output is correct
36	Correct	37 ms	189276 KB	Output is correct
37	Correct	39 ms	189264 KB	Output is correct
38	Correct	40 ms	189400 KB	Output is correct
39	Correct	40 ms	189424 KB	Output is correct
40	Correct	37 ms	189264 KB	Output is correct
41	Correct	38 ms	189268 KB	Output is correct
42	Correct	38 ms	189268 KB	Output is correct
43	Correct	43 ms	189264 KB	Output is correct
44	Correct	40 ms	191568 KB	Output is correct
45	Correct	37 ms	189268 KB	Output is correct
46	Correct	39 ms	189272 KB	Output is correct
47	Correct	38 ms	189380 KB	Output is correct
48	Correct	38 ms	191288 KB	Output is correct
49	Correct	37 ms	189324 KB	Output is correct
50	Correct	37 ms	189368 KB	Output is correct
51	Correct	39 ms	189276 KB	Output is correct
52	Correct	38 ms	189228 KB	Output is correct
53	Correct	42 ms	189272 KB	Output is correct
54	Correct	38 ms	189520 KB	Output is correct
55	Correct	38 ms	189276 KB	Output is correct
56	Correct	38 ms	189268 KB	Output is correct
57	Correct	39 ms	189264 KB	Output is correct
58	Correct	38 ms	189488 KB	Output is correct
59	Correct	38 ms	189276 KB	Output is correct
60	Correct	41 ms	189352 KB	Output is correct
61	Correct	38 ms	189412 KB	Output is correct
62	Runtime error	180 ms	396180 KB	Execution killed with signal 11
63	Halted	0 ms	0 KB	-

Subtask #5
0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	189264 KB	Output is correct
2	Correct	39 ms	189272 KB	Output is correct
3	Correct	37 ms	189276 KB	Output is correct
4	Correct	38 ms	189268 KB	Output is correct
5	Correct	37 ms	189276 KB	Output is correct
6	Correct	39 ms	189264 KB	Output is correct
7	Correct	37 ms	189268 KB	Output is correct
8	Correct	38 ms	189276 KB	Output is correct
9	Correct	37 ms	189272 KB	Output is correct
10	Correct	39 ms	189352 KB	Output is correct
11	Correct	38 ms	189268 KB	Output is correct
12	Correct	38 ms	189276 KB	Output is correct
13	Correct	38 ms	189276 KB	Output is correct
14	Correct	38 ms	189264 KB	Output is correct
15	Correct	39 ms	189264 KB	Output is correct
16	Correct	47 ms	189264 KB	Output is correct
17	Correct	39 ms	189276 KB	Output is correct
18	Correct	38 ms	189276 KB	Output is correct
19	Correct	37 ms	189288 KB	Output is correct
20	Correct	42 ms	189168 KB	Output is correct
21	Correct	44 ms	189340 KB	Output is correct
22	Correct	38 ms	189404 KB	Output is correct
23	Correct	37 ms	189264 KB	Output is correct
24	Correct	40 ms	189364 KB	Output is correct
25	Correct	39 ms	189268 KB	Output is correct
26	Correct	37 ms	189160 KB	Output is correct
27	Correct	38 ms	189268 KB	Output is correct
28	Correct	39 ms	189264 KB	Output is correct
29	Correct	37 ms	189264 KB	Output is correct
30	Correct	39 ms	189244 KB	Output is correct
31	Correct	37 ms	189196 KB	Output is correct
32	Correct	39 ms	189180 KB	Output is correct
33	Correct	41 ms	189780 KB	Output is correct
34	Correct	37 ms	189268 KB	Output is correct
35	Correct	37 ms	189272 KB	Output is correct
36	Correct	37 ms	189276 KB	Output is correct
37	Correct	39 ms	189264 KB	Output is correct
38	Correct	40 ms	189400 KB	Output is correct
39	Correct	40 ms	189424 KB	Output is correct
40	Correct	37 ms	189264 KB	Output is correct
41	Correct	38 ms	189268 KB	Output is correct
42	Correct	38 ms	189268 KB	Output is correct
43	Correct	43 ms	189264 KB	Output is correct
44	Correct	40 ms	191568 KB	Output is correct
45	Correct	37 ms	189268 KB	Output is correct
46	Correct	39 ms	189272 KB	Output is correct
47	Correct	38 ms	189380 KB	Output is correct
48	Correct	38 ms	191288 KB	Output is correct
49	Correct	37 ms	189324 KB	Output is correct
50	Correct	37 ms	189368 KB	Output is correct
51	Correct	39 ms	189276 KB	Output is correct
52	Correct	38 ms	189228 KB	Output is correct
53	Correct	42 ms	189272 KB	Output is correct
54	Correct	38 ms	189520 KB	Output is correct
55	Correct	38 ms	189276 KB	Output is correct
56	Correct	38 ms	189268 KB	Output is correct
57	Runtime error	403 ms	496860 KB	Execution killed with signal 11
58	Halted	0 ms	0 KB	-

답안 #942245

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 13.0 / 13.0

Subtask #3 0 / 13.0

Subtask #4 0 / 30.0

Subtask #5 0 / 34.0

Subtask #1
10.0 / 10.0

Subtask #2
13.0 / 13.0

Subtask #3
0 / 13.0

Subtask #4
0 / 30.0

Subtask #5
0 / 34.0