#include<bits/stdc++.h>
#define pb push_back
#define x first
#define y second
#define all(a) (a).begin(), (a).end()
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
const int maxn = 1e6 + 5;
int sz, n;
string s;
int type[maxn];
int l[maxn], r[maxn];
int L[maxn], R[maxn];
vector<int> adj[maxn];
void solve(int x) {
if(adj[x].size() == 0) {
l[x] = r[x] = L[x] = R[x] = 1;
return;
}
int y = adj[x][0], z = adj[x][1];
solve(y), solve(z);
L[x] = 1, R[x] = R[y] + R[z];
if(type[x] == 0) {
l[x] = min(l[y], l[z]);
r[x] = r[y] + r[z] - 1;
}
if(type[x] == 1) {
l[x] = l[y] + l[z];
r[x] = max(r[y] + R[z], r[z] + R[y]);
}
}
int main() {
cin >> s;
sz = (int)s.size();
int idx = 0;
vector<int> st;
for(int i = sz - 1;i >= 0;i--) {
if(s[i] == '?') st.pb(idx++);
if(s[i] == 'i' || s[i] == 'a') {
type[idx] = (s[i] == 'a');
adj[idx].pb(st.back()), st.pop_back();
adj[idx].pb(st.back()), st.pop_back();
st.pb(idx++);
}
}
idx--;
solve(idx);
printf("%d\n", r[idx] - l[idx] + 1);
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
23764 KB |
Output is correct |
2 |
Correct |
11 ms |
23764 KB |
Output is correct |
3 |
Correct |
11 ms |
23764 KB |
Output is correct |
4 |
Correct |
11 ms |
23820 KB |
Output is correct |
5 |
Correct |
11 ms |
23792 KB |
Output is correct |
6 |
Correct |
10 ms |
23764 KB |
Output is correct |
7 |
Correct |
11 ms |
23764 KB |
Output is correct |
8 |
Correct |
11 ms |
23788 KB |
Output is correct |
9 |
Correct |
11 ms |
23740 KB |
Output is correct |
10 |
Correct |
10 ms |
23764 KB |
Output is correct |
11 |
Correct |
11 ms |
23788 KB |
Output is correct |
12 |
Correct |
10 ms |
23764 KB |
Output is correct |
13 |
Correct |
11 ms |
23764 KB |
Output is correct |
14 |
Correct |
11 ms |
23792 KB |
Output is correct |
15 |
Correct |
10 ms |
23808 KB |
Output is correct |
16 |
Correct |
11 ms |
23776 KB |
Output is correct |
17 |
Correct |
11 ms |
23792 KB |
Output is correct |
18 |
Correct |
10 ms |
23824 KB |
Output is correct |
19 |
Correct |
10 ms |
23764 KB |
Output is correct |
20 |
Correct |
11 ms |
23764 KB |
Output is correct |
21 |
Correct |
11 ms |
23792 KB |
Output is correct |
22 |
Correct |
11 ms |
23764 KB |
Output is correct |
23 |
Correct |
13 ms |
23764 KB |
Output is correct |
24 |
Correct |
11 ms |
23792 KB |
Output is correct |
25 |
Correct |
11 ms |
23764 KB |
Output is correct |
26 |
Correct |
12 ms |
23752 KB |
Output is correct |
27 |
Correct |
11 ms |
23764 KB |
Output is correct |
28 |
Correct |
12 ms |
23792 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
23764 KB |
Output is correct |
2 |
Correct |
11 ms |
23764 KB |
Output is correct |
3 |
Correct |
11 ms |
23764 KB |
Output is correct |
4 |
Correct |
11 ms |
23820 KB |
Output is correct |
5 |
Correct |
11 ms |
23792 KB |
Output is correct |
6 |
Correct |
10 ms |
23764 KB |
Output is correct |
7 |
Correct |
11 ms |
23764 KB |
Output is correct |
8 |
Correct |
11 ms |
23788 KB |
Output is correct |
9 |
Correct |
11 ms |
23740 KB |
Output is correct |
10 |
Correct |
10 ms |
23764 KB |
Output is correct |
11 |
Correct |
11 ms |
23788 KB |
Output is correct |
12 |
Correct |
10 ms |
23764 KB |
Output is correct |
13 |
Correct |
11 ms |
23764 KB |
Output is correct |
14 |
Correct |
11 ms |
23792 KB |
Output is correct |
15 |
Correct |
10 ms |
23808 KB |
Output is correct |
16 |
Correct |
11 ms |
23776 KB |
Output is correct |
17 |
Correct |
11 ms |
23792 KB |
Output is correct |
18 |
Correct |
10 ms |
23824 KB |
Output is correct |
19 |
Correct |
10 ms |
23764 KB |
Output is correct |
20 |
Correct |
11 ms |
23764 KB |
Output is correct |
21 |
Correct |
11 ms |
23792 KB |
Output is correct |
22 |
Correct |
11 ms |
23764 KB |
Output is correct |
23 |
Correct |
13 ms |
23764 KB |
Output is correct |
24 |
Correct |
11 ms |
23792 KB |
Output is correct |
25 |
Correct |
11 ms |
23764 KB |
Output is correct |
26 |
Correct |
12 ms |
23752 KB |
Output is correct |
27 |
Correct |
11 ms |
23764 KB |
Output is correct |
28 |
Correct |
12 ms |
23792 KB |
Output is correct |
29 |
Correct |
10 ms |
23764 KB |
Output is correct |
30 |
Correct |
12 ms |
23764 KB |
Output is correct |
31 |
Correct |
11 ms |
23764 KB |
Output is correct |
32 |
Correct |
11 ms |
23700 KB |
Output is correct |
33 |
Correct |
11 ms |
23764 KB |
Output is correct |
34 |
Correct |
12 ms |
23704 KB |
Output is correct |
35 |
Correct |
11 ms |
23720 KB |
Output is correct |
36 |
Correct |
11 ms |
23792 KB |
Output is correct |
37 |
Correct |
11 ms |
23804 KB |
Output is correct |
38 |
Correct |
11 ms |
23788 KB |
Output is correct |
39 |
Correct |
11 ms |
23764 KB |
Output is correct |
40 |
Correct |
11 ms |
23764 KB |
Output is correct |
41 |
Correct |
12 ms |
23792 KB |
Output is correct |
42 |
Correct |
11 ms |
23788 KB |
Output is correct |
43 |
Correct |
11 ms |
23736 KB |
Output is correct |
44 |
Correct |
12 ms |
23832 KB |
Output is correct |
45 |
Correct |
11 ms |
23764 KB |
Output is correct |
46 |
Correct |
11 ms |
23788 KB |
Output is correct |
47 |
Correct |
11 ms |
23792 KB |
Output is correct |
48 |
Correct |
12 ms |
23792 KB |
Output is correct |
49 |
Correct |
11 ms |
23764 KB |
Output is correct |
50 |
Correct |
11 ms |
23772 KB |
Output is correct |
51 |
Correct |
16 ms |
23896 KB |
Output is correct |
52 |
Correct |
12 ms |
23788 KB |
Output is correct |
53 |
Correct |
11 ms |
23764 KB |
Output is correct |
54 |
Correct |
11 ms |
23824 KB |
Output is correct |
55 |
Correct |
12 ms |
23764 KB |
Output is correct |
56 |
Correct |
11 ms |
23824 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
166 ms |
97776 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
23764 KB |
Output is correct |
2 |
Correct |
11 ms |
23764 KB |
Output is correct |
3 |
Correct |
11 ms |
23764 KB |
Output is correct |
4 |
Correct |
11 ms |
23820 KB |
Output is correct |
5 |
Correct |
11 ms |
23792 KB |
Output is correct |
6 |
Correct |
10 ms |
23764 KB |
Output is correct |
7 |
Correct |
11 ms |
23764 KB |
Output is correct |
8 |
Correct |
11 ms |
23788 KB |
Output is correct |
9 |
Correct |
11 ms |
23740 KB |
Output is correct |
10 |
Correct |
10 ms |
23764 KB |
Output is correct |
11 |
Correct |
11 ms |
23788 KB |
Output is correct |
12 |
Correct |
10 ms |
23764 KB |
Output is correct |
13 |
Correct |
11 ms |
23764 KB |
Output is correct |
14 |
Correct |
11 ms |
23792 KB |
Output is correct |
15 |
Correct |
10 ms |
23808 KB |
Output is correct |
16 |
Correct |
11 ms |
23776 KB |
Output is correct |
17 |
Correct |
11 ms |
23792 KB |
Output is correct |
18 |
Correct |
10 ms |
23824 KB |
Output is correct |
19 |
Correct |
10 ms |
23764 KB |
Output is correct |
20 |
Correct |
11 ms |
23764 KB |
Output is correct |
21 |
Correct |
11 ms |
23792 KB |
Output is correct |
22 |
Correct |
11 ms |
23764 KB |
Output is correct |
23 |
Correct |
13 ms |
23764 KB |
Output is correct |
24 |
Correct |
11 ms |
23792 KB |
Output is correct |
25 |
Correct |
11 ms |
23764 KB |
Output is correct |
26 |
Correct |
12 ms |
23752 KB |
Output is correct |
27 |
Correct |
11 ms |
23764 KB |
Output is correct |
28 |
Correct |
12 ms |
23792 KB |
Output is correct |
29 |
Correct |
10 ms |
23764 KB |
Output is correct |
30 |
Correct |
12 ms |
23764 KB |
Output is correct |
31 |
Correct |
11 ms |
23764 KB |
Output is correct |
32 |
Correct |
11 ms |
23700 KB |
Output is correct |
33 |
Correct |
11 ms |
23764 KB |
Output is correct |
34 |
Correct |
12 ms |
23704 KB |
Output is correct |
35 |
Correct |
11 ms |
23720 KB |
Output is correct |
36 |
Correct |
11 ms |
23792 KB |
Output is correct |
37 |
Correct |
11 ms |
23804 KB |
Output is correct |
38 |
Correct |
11 ms |
23788 KB |
Output is correct |
39 |
Correct |
11 ms |
23764 KB |
Output is correct |
40 |
Correct |
11 ms |
23764 KB |
Output is correct |
41 |
Correct |
12 ms |
23792 KB |
Output is correct |
42 |
Correct |
11 ms |
23788 KB |
Output is correct |
43 |
Correct |
11 ms |
23736 KB |
Output is correct |
44 |
Correct |
12 ms |
23832 KB |
Output is correct |
45 |
Correct |
11 ms |
23764 KB |
Output is correct |
46 |
Correct |
11 ms |
23788 KB |
Output is correct |
47 |
Correct |
11 ms |
23792 KB |
Output is correct |
48 |
Correct |
12 ms |
23792 KB |
Output is correct |
49 |
Correct |
11 ms |
23764 KB |
Output is correct |
50 |
Correct |
11 ms |
23772 KB |
Output is correct |
51 |
Correct |
16 ms |
23896 KB |
Output is correct |
52 |
Correct |
12 ms |
23788 KB |
Output is correct |
53 |
Correct |
11 ms |
23764 KB |
Output is correct |
54 |
Correct |
11 ms |
23824 KB |
Output is correct |
55 |
Correct |
12 ms |
23764 KB |
Output is correct |
56 |
Correct |
11 ms |
23824 KB |
Output is correct |
57 |
Correct |
11 ms |
23892 KB |
Output is correct |
58 |
Correct |
11 ms |
23892 KB |
Output is correct |
59 |
Correct |
11 ms |
23792 KB |
Output is correct |
60 |
Correct |
11 ms |
23892 KB |
Output is correct |
61 |
Correct |
11 ms |
23904 KB |
Output is correct |
62 |
Correct |
14 ms |
23936 KB |
Output is correct |
63 |
Correct |
12 ms |
23800 KB |
Output is correct |
64 |
Correct |
11 ms |
23892 KB |
Output is correct |
65 |
Correct |
11 ms |
23896 KB |
Output is correct |
66 |
Correct |
11 ms |
23892 KB |
Output is correct |
67 |
Correct |
12 ms |
23840 KB |
Output is correct |
68 |
Correct |
12 ms |
23824 KB |
Output is correct |
69 |
Correct |
11 ms |
23884 KB |
Output is correct |
70 |
Correct |
11 ms |
23892 KB |
Output is correct |
71 |
Correct |
11 ms |
23892 KB |
Output is correct |
72 |
Correct |
12 ms |
23916 KB |
Output is correct |
73 |
Correct |
12 ms |
23920 KB |
Output is correct |
74 |
Correct |
11 ms |
23924 KB |
Output is correct |
75 |
Correct |
11 ms |
23892 KB |
Output is correct |
76 |
Correct |
13 ms |
23892 KB |
Output is correct |
77 |
Correct |
13 ms |
23892 KB |
Output is correct |
78 |
Correct |
11 ms |
23788 KB |
Output is correct |
79 |
Correct |
12 ms |
23892 KB |
Output is correct |
80 |
Correct |
12 ms |
23852 KB |
Output is correct |
81 |
Correct |
11 ms |
23892 KB |
Output is correct |
82 |
Correct |
12 ms |
23844 KB |
Output is correct |
83 |
Correct |
12 ms |
23792 KB |
Output is correct |
84 |
Correct |
11 ms |
23788 KB |
Output is correct |
85 |
Correct |
12 ms |
23796 KB |
Output is correct |
86 |
Correct |
11 ms |
23764 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
23764 KB |
Output is correct |
2 |
Correct |
11 ms |
23764 KB |
Output is correct |
3 |
Correct |
11 ms |
23764 KB |
Output is correct |
4 |
Correct |
11 ms |
23820 KB |
Output is correct |
5 |
Correct |
11 ms |
23792 KB |
Output is correct |
6 |
Correct |
10 ms |
23764 KB |
Output is correct |
7 |
Correct |
11 ms |
23764 KB |
Output is correct |
8 |
Correct |
11 ms |
23788 KB |
Output is correct |
9 |
Correct |
11 ms |
23740 KB |
Output is correct |
10 |
Correct |
10 ms |
23764 KB |
Output is correct |
11 |
Correct |
11 ms |
23788 KB |
Output is correct |
12 |
Correct |
10 ms |
23764 KB |
Output is correct |
13 |
Correct |
11 ms |
23764 KB |
Output is correct |
14 |
Correct |
11 ms |
23792 KB |
Output is correct |
15 |
Correct |
10 ms |
23808 KB |
Output is correct |
16 |
Correct |
11 ms |
23776 KB |
Output is correct |
17 |
Correct |
11 ms |
23792 KB |
Output is correct |
18 |
Correct |
10 ms |
23824 KB |
Output is correct |
19 |
Correct |
10 ms |
23764 KB |
Output is correct |
20 |
Correct |
11 ms |
23764 KB |
Output is correct |
21 |
Correct |
11 ms |
23792 KB |
Output is correct |
22 |
Correct |
11 ms |
23764 KB |
Output is correct |
23 |
Correct |
13 ms |
23764 KB |
Output is correct |
24 |
Correct |
11 ms |
23792 KB |
Output is correct |
25 |
Correct |
11 ms |
23764 KB |
Output is correct |
26 |
Correct |
12 ms |
23752 KB |
Output is correct |
27 |
Correct |
11 ms |
23764 KB |
Output is correct |
28 |
Correct |
12 ms |
23792 KB |
Output is correct |
29 |
Correct |
10 ms |
23764 KB |
Output is correct |
30 |
Correct |
12 ms |
23764 KB |
Output is correct |
31 |
Correct |
11 ms |
23764 KB |
Output is correct |
32 |
Correct |
11 ms |
23700 KB |
Output is correct |
33 |
Correct |
11 ms |
23764 KB |
Output is correct |
34 |
Correct |
12 ms |
23704 KB |
Output is correct |
35 |
Correct |
11 ms |
23720 KB |
Output is correct |
36 |
Correct |
11 ms |
23792 KB |
Output is correct |
37 |
Correct |
11 ms |
23804 KB |
Output is correct |
38 |
Correct |
11 ms |
23788 KB |
Output is correct |
39 |
Correct |
11 ms |
23764 KB |
Output is correct |
40 |
Correct |
11 ms |
23764 KB |
Output is correct |
41 |
Correct |
12 ms |
23792 KB |
Output is correct |
42 |
Correct |
11 ms |
23788 KB |
Output is correct |
43 |
Correct |
11 ms |
23736 KB |
Output is correct |
44 |
Correct |
12 ms |
23832 KB |
Output is correct |
45 |
Correct |
11 ms |
23764 KB |
Output is correct |
46 |
Correct |
11 ms |
23788 KB |
Output is correct |
47 |
Correct |
11 ms |
23792 KB |
Output is correct |
48 |
Correct |
12 ms |
23792 KB |
Output is correct |
49 |
Correct |
11 ms |
23764 KB |
Output is correct |
50 |
Correct |
11 ms |
23772 KB |
Output is correct |
51 |
Correct |
16 ms |
23896 KB |
Output is correct |
52 |
Correct |
12 ms |
23788 KB |
Output is correct |
53 |
Correct |
11 ms |
23764 KB |
Output is correct |
54 |
Correct |
11 ms |
23824 KB |
Output is correct |
55 |
Correct |
12 ms |
23764 KB |
Output is correct |
56 |
Correct |
11 ms |
23824 KB |
Output is correct |
57 |
Runtime error |
166 ms |
97776 KB |
Execution killed with signal 11 |
58 |
Halted |
0 ms |
0 KB |
- |