#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second
// #define int long long
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
out << c.first << ' ' << c.second;
return out;
}
template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
const int sz = v.size();
for (int i = 0; i < sz; i++) {
if (i) out << ' ';
out << v[i];
}
return out;
}
template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
for (T &x : v) in >> x;
return in;
}
template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}
const int mxn = 1e7 + 10;
char str[mxn];
pair<int, int> merge(pair<int, int> a, pair<int, int> b, int tp) {
pair<int, int> ret{0, 0};
if(tp == 1) {
ret.ff = a.ff + b.ff + 1;
ret.ss = min(a.ss, b.ss);
} else {
ret.ff = min(a.ff, b.ff);
ret.ss = a.ss + b.ss + 1;
}
return ret;
}
void go() {
cin >> str + 1;
int n = strlen(str + 1);
int tot = 0;
stack<tuple<pair<int, int>, pair<int, int>, int>> s;
pair<int, int> ans{0, 0};
function<void(pair<int, int>)> add = [&](pair<int, int> dp) {
if(s.size() == 0) {
ans = dp;
return;
}
pair<int, int> a1, a2;
int tp;
tie(a1, a2, tp) = s.top();
s.pop();
if(a1.ff == -1) {
s.push(make_tuple(dp, a2, tp));
} else {
add(merge(a1, dp, tp));
}
};
for(int i = 1; i <= n; i++) {
if(str[i] == 'm') {
s.push(make_tuple(make_pair(-1, -1), make_pair(-1, -1), (str[i + 1] == 'a')));
} else if(str[i] == '?') {
tot++;
add(make_pair(0, 0));
}
}
cout << tot - ans.ff - ans.ss << '\n';
}
signed main() {
// #ifndef ONO
// freopen("file.in", "r", stdin);
// freopen("file.out", "w", stdout);
// #endif
fast;
int t = 1;
// cin >> t;
while(t--) {
go();
}
return 0;
}
Compilation message
Main.cpp: In function 'void go()':
Main.cpp:65:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
65 | cin >> str + 1;
| ~~~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 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 |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 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 |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
212 KB |
Output is correct |
53 |
Correct |
0 ms |
212 KB |
Output is correct |
54 |
Correct |
0 ms |
212 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 |
51 ms |
27424 KB |
Output is correct |
2 |
Correct |
53 ms |
34252 KB |
Output is correct |
3 |
Correct |
57 ms |
34244 KB |
Output is correct |
4 |
Correct |
57 ms |
34256 KB |
Output is correct |
5 |
Correct |
53 ms |
34348 KB |
Output is correct |
6 |
Correct |
53 ms |
34312 KB |
Output is correct |
7 |
Correct |
54 ms |
34252 KB |
Output is correct |
8 |
Correct |
57 ms |
34288 KB |
Output is correct |
9 |
Correct |
52 ms |
34256 KB |
Output is correct |
10 |
Correct |
53 ms |
34292 KB |
Output is correct |
11 |
Correct |
64 ms |
34256 KB |
Output is correct |
12 |
Correct |
57 ms |
34376 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 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 |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
212 KB |
Output is correct |
53 |
Correct |
0 ms |
212 KB |
Output is correct |
54 |
Correct |
0 ms |
212 KB |
Output is correct |
55 |
Correct |
0 ms |
212 KB |
Output is correct |
56 |
Correct |
0 ms |
212 KB |
Output is correct |
57 |
Correct |
0 ms |
212 KB |
Output is correct |
58 |
Correct |
0 ms |
212 KB |
Output is correct |
59 |
Correct |
0 ms |
340 KB |
Output is correct |
60 |
Correct |
0 ms |
340 KB |
Output is correct |
61 |
Correct |
0 ms |
212 KB |
Output is correct |
62 |
Correct |
0 ms |
340 KB |
Output is correct |
63 |
Correct |
0 ms |
340 KB |
Output is correct |
64 |
Correct |
0 ms |
340 KB |
Output is correct |
65 |
Correct |
0 ms |
340 KB |
Output is correct |
66 |
Correct |
0 ms |
340 KB |
Output is correct |
67 |
Correct |
0 ms |
340 KB |
Output is correct |
68 |
Correct |
0 ms |
340 KB |
Output is correct |
69 |
Correct |
1 ms |
340 KB |
Output is correct |
70 |
Correct |
0 ms |
340 KB |
Output is correct |
71 |
Correct |
0 ms |
340 KB |
Output is correct |
72 |
Correct |
0 ms |
340 KB |
Output is correct |
73 |
Correct |
1 ms |
340 KB |
Output is correct |
74 |
Correct |
0 ms |
340 KB |
Output is correct |
75 |
Correct |
0 ms |
340 KB |
Output is correct |
76 |
Correct |
0 ms |
340 KB |
Output is correct |
77 |
Correct |
0 ms |
340 KB |
Output is correct |
78 |
Correct |
0 ms |
340 KB |
Output is correct |
79 |
Correct |
0 ms |
340 KB |
Output is correct |
80 |
Correct |
0 ms |
212 KB |
Output is correct |
81 |
Correct |
0 ms |
340 KB |
Output is correct |
82 |
Correct |
1 ms |
340 KB |
Output is correct |
83 |
Correct |
0 ms |
212 KB |
Output is correct |
84 |
Correct |
0 ms |
212 KB |
Output is correct |
85 |
Correct |
0 ms |
340 KB |
Output is correct |
86 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 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 |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
0 ms |
212 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 |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
212 KB |
Output is correct |
53 |
Correct |
0 ms |
212 KB |
Output is correct |
54 |
Correct |
0 ms |
212 KB |
Output is correct |
55 |
Correct |
0 ms |
212 KB |
Output is correct |
56 |
Correct |
0 ms |
212 KB |
Output is correct |
57 |
Correct |
51 ms |
27424 KB |
Output is correct |
58 |
Correct |
53 ms |
34252 KB |
Output is correct |
59 |
Correct |
57 ms |
34244 KB |
Output is correct |
60 |
Correct |
57 ms |
34256 KB |
Output is correct |
61 |
Correct |
53 ms |
34348 KB |
Output is correct |
62 |
Correct |
53 ms |
34312 KB |
Output is correct |
63 |
Correct |
54 ms |
34252 KB |
Output is correct |
64 |
Correct |
57 ms |
34288 KB |
Output is correct |
65 |
Correct |
52 ms |
34256 KB |
Output is correct |
66 |
Correct |
53 ms |
34292 KB |
Output is correct |
67 |
Correct |
64 ms |
34256 KB |
Output is correct |
68 |
Correct |
57 ms |
34376 KB |
Output is correct |
69 |
Correct |
1 ms |
212 KB |
Output is correct |
70 |
Correct |
0 ms |
212 KB |
Output is correct |
71 |
Correct |
0 ms |
212 KB |
Output is correct |
72 |
Correct |
0 ms |
340 KB |
Output is correct |
73 |
Correct |
0 ms |
340 KB |
Output is correct |
74 |
Correct |
0 ms |
212 KB |
Output is correct |
75 |
Correct |
0 ms |
340 KB |
Output is correct |
76 |
Correct |
0 ms |
340 KB |
Output is correct |
77 |
Correct |
0 ms |
340 KB |
Output is correct |
78 |
Correct |
0 ms |
340 KB |
Output is correct |
79 |
Correct |
0 ms |
340 KB |
Output is correct |
80 |
Correct |
0 ms |
340 KB |
Output is correct |
81 |
Correct |
0 ms |
340 KB |
Output is correct |
82 |
Correct |
1 ms |
340 KB |
Output is correct |
83 |
Correct |
0 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 |
340 KB |
Output is correct |
87 |
Correct |
0 ms |
340 KB |
Output is correct |
88 |
Correct |
0 ms |
340 KB |
Output is correct |
89 |
Correct |
0 ms |
340 KB |
Output is correct |
90 |
Correct |
0 ms |
340 KB |
Output is correct |
91 |
Correct |
0 ms |
340 KB |
Output is correct |
92 |
Correct |
0 ms |
340 KB |
Output is correct |
93 |
Correct |
0 ms |
212 KB |
Output is correct |
94 |
Correct |
0 ms |
340 KB |
Output is correct |
95 |
Correct |
1 ms |
340 KB |
Output is correct |
96 |
Correct |
0 ms |
212 KB |
Output is correct |
97 |
Correct |
0 ms |
212 KB |
Output is correct |
98 |
Correct |
0 ms |
340 KB |
Output is correct |
99 |
Correct |
0 ms |
212 KB |
Output is correct |
100 |
Correct |
49 ms |
13956 KB |
Output is correct |
101 |
Correct |
47 ms |
13972 KB |
Output is correct |
102 |
Correct |
48 ms |
13968 KB |
Output is correct |
103 |
Correct |
45 ms |
13996 KB |
Output is correct |
104 |
Correct |
43 ms |
13980 KB |
Output is correct |
105 |
Correct |
51 ms |
20772 KB |
Output is correct |
106 |
Correct |
60 ms |
20684 KB |
Output is correct |
107 |
Correct |
47 ms |
20760 KB |
Output is correct |
108 |
Correct |
47 ms |
20764 KB |
Output is correct |
109 |
Correct |
49 ms |
20780 KB |
Output is correct |
110 |
Correct |
61 ms |
14004 KB |
Output is correct |
111 |
Correct |
52 ms |
13972 KB |
Output is correct |
112 |
Correct |
47 ms |
14004 KB |
Output is correct |
113 |
Correct |
56 ms |
14000 KB |
Output is correct |
114 |
Correct |
50 ms |
13996 KB |
Output is correct |
115 |
Correct |
67 ms |
34260 KB |
Output is correct |
116 |
Correct |
62 ms |
34304 KB |
Output is correct |
117 |
Correct |
63 ms |
34396 KB |
Output is correct |
118 |
Correct |
64 ms |
34252 KB |
Output is correct |
119 |
Correct |
61 ms |
34244 KB |
Output is correct |
120 |
Correct |
47 ms |
13988 KB |
Output is correct |
121 |
Correct |
48 ms |
13988 KB |
Output is correct |
122 |
Correct |
52 ms |
13900 KB |
Output is correct |
123 |
Correct |
52 ms |
13984 KB |
Output is correct |
124 |
Correct |
92 ms |
78888 KB |
Output is correct |
125 |
Correct |
79 ms |
78988 KB |
Output is correct |
126 |
Correct |
79 ms |
78896 KB |
Output is correct |
127 |
Correct |
75 ms |
78984 KB |
Output is correct |
128 |
Correct |
22 ms |
7488 KB |
Output is correct |
129 |
Correct |
23 ms |
7488 KB |
Output is correct |
130 |
Correct |
19 ms |
7456 KB |
Output is correct |
131 |
Correct |
1 ms |
212 KB |
Output is correct |