#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++) {
| ~~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
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 |
# |
Verdict |
Execution time |
Memory |
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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
403 ms |
496860 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
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 |
- |
# |
Verdict |
Execution time |
Memory |
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 |
- |