#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
string s;
cin >> s;
int M = 0, N = 0;
vector<int> l, r, q, stk, t(s.size());
for (int i = 0; i < s.size(); i++) {
if (isalpha(s[i])) {
continue;
}
if (s[i] == '?') {
l.push_back(-1);
r.push_back(-1);
q.push_back(-1);
N++;
t[i] = M++;
} else if (s[i] == '(') {
stk.push_back(i);
} else if (s[i] == ',') {
int j = stk.back();
t[j] = t[i - 1];
} else if (s[i] == ')') {
int j = stk.back();
stk.pop_back();
l.push_back(t[j]);
r.push_back(t[i - 1]);
q.push_back(s[j - 1] == 'x' ? 1 : 0);
t[i] = M++;
}
}
vector<int> lo(M), hi(M);
auto dfs = [&](auto dfs, int x) -> void {
if (l[x] == -1) {
return;
};
dfs(dfs, l[x]);
dfs(dfs, r[x]);
if (q[x] == 0) {
lo[x] = lo[l[x]] + lo[r[x]] + 1;
hi[x] = min(hi[l[x]], hi[r[x]]);
} else {
lo[x] = min(lo[l[x]], lo[r[x]]);
hi[x] = hi[l[x]] + hi[r[x]] + 1;
}
};
dfs(dfs, M - 1);
cout << N - lo[M - 1] - hi[M - 1] << "\n";
return 6/22;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:11:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | for (int i = 0; i < s.size(); i++) {
| ~~^~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
316 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
320 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
236 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
316 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
320 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
236 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
324 KB |
Output is correct |
32 |
Correct |
1 ms |
216 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
320 KB |
Output is correct |
38 |
Correct |
1 ms |
320 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
320 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
320 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
1 ms |
320 KB |
Output is correct |
46 |
Correct |
0 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
1 ms |
212 KB |
Output is correct |
49 |
Correct |
1 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
1 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
320 KB |
Output is correct |
53 |
Correct |
0 ms |
320 KB |
Output is correct |
54 |
Correct |
0 ms |
320 KB |
Output is correct |
55 |
Correct |
0 ms |
212 KB |
Output is correct |
56 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
147 ms |
162836 KB |
Output is correct |
2 |
Correct |
130 ms |
162784 KB |
Output is correct |
3 |
Correct |
135 ms |
162956 KB |
Output is correct |
4 |
Correct |
132 ms |
162792 KB |
Output is correct |
5 |
Correct |
126 ms |
162888 KB |
Output is correct |
6 |
Correct |
126 ms |
162860 KB |
Output is correct |
7 |
Correct |
127 ms |
162772 KB |
Output is correct |
8 |
Correct |
128 ms |
162804 KB |
Output is correct |
9 |
Correct |
127 ms |
162796 KB |
Output is correct |
10 |
Correct |
130 ms |
162960 KB |
Output is correct |
11 |
Correct |
140 ms |
162796 KB |
Output is correct |
12 |
Correct |
126 ms |
162856 KB |
Output is correct |
13 |
Correct |
1 ms |
324 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
316 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
320 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
236 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
324 KB |
Output is correct |
32 |
Correct |
1 ms |
216 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
320 KB |
Output is correct |
38 |
Correct |
1 ms |
320 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
320 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
320 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
1 ms |
320 KB |
Output is correct |
46 |
Correct |
0 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
1 ms |
212 KB |
Output is correct |
49 |
Correct |
1 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
1 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
320 KB |
Output is correct |
53 |
Correct |
0 ms |
320 KB |
Output is correct |
54 |
Correct |
0 ms |
320 KB |
Output is correct |
55 |
Correct |
0 ms |
212 KB |
Output is correct |
56 |
Correct |
0 ms |
212 KB |
Output is correct |
57 |
Correct |
1 ms |
340 KB |
Output is correct |
58 |
Correct |
1 ms |
328 KB |
Output is correct |
59 |
Correct |
1 ms |
340 KB |
Output is correct |
60 |
Correct |
0 ms |
320 KB |
Output is correct |
61 |
Correct |
1 ms |
340 KB |
Output is correct |
62 |
Correct |
1 ms |
340 KB |
Output is correct |
63 |
Correct |
1 ms |
340 KB |
Output is correct |
64 |
Correct |
1 ms |
340 KB |
Output is correct |
65 |
Correct |
0 ms |
340 KB |
Output is correct |
66 |
Correct |
1 ms |
340 KB |
Output is correct |
67 |
Correct |
0 ms |
340 KB |
Output is correct |
68 |
Correct |
1 ms |
340 KB |
Output is correct |
69 |
Correct |
0 ms |
340 KB |
Output is correct |
70 |
Correct |
1 ms |
340 KB |
Output is correct |
71 |
Correct |
1 ms |
340 KB |
Output is correct |
72 |
Correct |
1 ms |
468 KB |
Output is correct |
73 |
Correct |
1 ms |
456 KB |
Output is correct |
74 |
Correct |
1 ms |
468 KB |
Output is correct |
75 |
Correct |
1 ms |
468 KB |
Output is correct |
76 |
Correct |
1 ms |
468 KB |
Output is correct |
77 |
Correct |
1 ms |
324 KB |
Output is correct |
78 |
Correct |
1 ms |
324 KB |
Output is correct |
79 |
Correct |
1 ms |
340 KB |
Output is correct |
80 |
Correct |
1 ms |
340 KB |
Output is correct |
81 |
Correct |
1 ms |
340 KB |
Output is correct |
82 |
Correct |
1 ms |
340 KB |
Output is correct |
83 |
Correct |
1 ms |
340 KB |
Output is correct |
84 |
Correct |
0 ms |
340 KB |
Output is correct |
85 |
Correct |
0 ms |
340 KB |
Output is correct |
86 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
316 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
320 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
236 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
324 KB |
Output is correct |
32 |
Correct |
1 ms |
216 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
320 KB |
Output is correct |
38 |
Correct |
1 ms |
320 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
320 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
320 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
1 ms |
320 KB |
Output is correct |
46 |
Correct |
0 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
1 ms |
212 KB |
Output is correct |
49 |
Correct |
1 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
1 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
320 KB |
Output is correct |
53 |
Correct |
0 ms |
320 KB |
Output is correct |
54 |
Correct |
0 ms |
320 KB |
Output is correct |
55 |
Correct |
0 ms |
212 KB |
Output is correct |
56 |
Correct |
0 ms |
212 KB |
Output is correct |
57 |
Correct |
147 ms |
162836 KB |
Output is correct |
58 |
Correct |
130 ms |
162784 KB |
Output is correct |
59 |
Correct |
135 ms |
162956 KB |
Output is correct |
60 |
Correct |
132 ms |
162792 KB |
Output is correct |
61 |
Correct |
126 ms |
162888 KB |
Output is correct |
62 |
Correct |
126 ms |
162860 KB |
Output is correct |
63 |
Correct |
127 ms |
162772 KB |
Output is correct |
64 |
Correct |
128 ms |
162804 KB |
Output is correct |
65 |
Correct |
127 ms |
162796 KB |
Output is correct |
66 |
Correct |
130 ms |
162960 KB |
Output is correct |
67 |
Correct |
140 ms |
162796 KB |
Output is correct |
68 |
Correct |
126 ms |
162856 KB |
Output is correct |
69 |
Correct |
1 ms |
324 KB |
Output is correct |
70 |
Correct |
1 ms |
340 KB |
Output is correct |
71 |
Correct |
1 ms |
328 KB |
Output is correct |
72 |
Correct |
1 ms |
340 KB |
Output is correct |
73 |
Correct |
0 ms |
320 KB |
Output is correct |
74 |
Correct |
1 ms |
340 KB |
Output is correct |
75 |
Correct |
1 ms |
340 KB |
Output is correct |
76 |
Correct |
1 ms |
340 KB |
Output is correct |
77 |
Correct |
1 ms |
340 KB |
Output is correct |
78 |
Correct |
0 ms |
340 KB |
Output is correct |
79 |
Correct |
1 ms |
340 KB |
Output is correct |
80 |
Correct |
0 ms |
340 KB |
Output is correct |
81 |
Correct |
1 ms |
340 KB |
Output is correct |
82 |
Correct |
0 ms |
340 KB |
Output is correct |
83 |
Correct |
1 ms |
340 KB |
Output is correct |
84 |
Correct |
1 ms |
340 KB |
Output is correct |
85 |
Correct |
1 ms |
468 KB |
Output is correct |
86 |
Correct |
1 ms |
456 KB |
Output is correct |
87 |
Correct |
1 ms |
468 KB |
Output is correct |
88 |
Correct |
1 ms |
468 KB |
Output is correct |
89 |
Correct |
1 ms |
468 KB |
Output is correct |
90 |
Correct |
1 ms |
324 KB |
Output is correct |
91 |
Correct |
1 ms |
324 KB |
Output is correct |
92 |
Correct |
1 ms |
340 KB |
Output is correct |
93 |
Correct |
1 ms |
340 KB |
Output is correct |
94 |
Correct |
1 ms |
340 KB |
Output is correct |
95 |
Correct |
1 ms |
340 KB |
Output is correct |
96 |
Correct |
1 ms |
340 KB |
Output is correct |
97 |
Correct |
0 ms |
340 KB |
Output is correct |
98 |
Correct |
0 ms |
340 KB |
Output is correct |
99 |
Correct |
1 ms |
212 KB |
Output is correct |
100 |
Correct |
99 ms |
80620 KB |
Output is correct |
101 |
Correct |
100 ms |
80696 KB |
Output is correct |
102 |
Correct |
97 ms |
80636 KB |
Output is correct |
103 |
Correct |
106 ms |
80640 KB |
Output is correct |
104 |
Correct |
96 ms |
80632 KB |
Output is correct |
105 |
Correct |
114 ms |
114856 KB |
Output is correct |
106 |
Correct |
110 ms |
114868 KB |
Output is correct |
107 |
Correct |
109 ms |
114820 KB |
Output is correct |
108 |
Correct |
113 ms |
114936 KB |
Output is correct |
109 |
Correct |
108 ms |
114728 KB |
Output is correct |
110 |
Correct |
105 ms |
80692 KB |
Output is correct |
111 |
Correct |
106 ms |
80644 KB |
Output is correct |
112 |
Correct |
101 ms |
80652 KB |
Output is correct |
113 |
Correct |
130 ms |
80660 KB |
Output is correct |
114 |
Correct |
105 ms |
80628 KB |
Output is correct |
115 |
Correct |
200 ms |
162816 KB |
Output is correct |
116 |
Correct |
152 ms |
162888 KB |
Output is correct |
117 |
Correct |
147 ms |
162820 KB |
Output is correct |
118 |
Correct |
151 ms |
162888 KB |
Output is correct |
119 |
Correct |
144 ms |
169924 KB |
Output is correct |
120 |
Correct |
127 ms |
80804 KB |
Output is correct |
121 |
Correct |
126 ms |
80648 KB |
Output is correct |
122 |
Correct |
117 ms |
80772 KB |
Output is correct |
123 |
Correct |
123 ms |
80656 KB |
Output is correct |
124 |
Correct |
118 ms |
131928 KB |
Output is correct |
125 |
Correct |
120 ms |
131832 KB |
Output is correct |
126 |
Correct |
117 ms |
131884 KB |
Output is correct |
127 |
Correct |
123 ms |
131892 KB |
Output is correct |
128 |
Correct |
55 ms |
42676 KB |
Output is correct |
129 |
Correct |
50 ms |
42456 KB |
Output is correct |
130 |
Correct |
51 ms |
42520 KB |
Output is correct |
131 |
Correct |
1 ms |
212 KB |
Output is correct |