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Submission #861236

# Submission time Handle Problem Language Result Execution time Memory
861236 2023-10-15T17:10:05 Z vgtcross Homework (CEOI22_homework) C++17
100 / 100
 179 ms 181704 KB 
#include <bits/stdc++.h>
 
using namespace std;
using ll = long long;
using pii = pair<int, int>;
 
const int N = int(2e6) + 1000;
 
vector<int> ch[N];
int l[N], r[N];
int x[N];
 
void dfs(int u) {
    if (x[u] == 0) {
        l[u] = r[u] = 0;
        return;
    }
    
    for (int v : ch[u]) dfs(v);
    if (x[u] == 1) {
        l[u] = min(l[ch[u][0]], l[ch[u][1]]);
        r[u] = r[ch[u][0]] + r[ch[u][1]] + 1;
    } else {
        l[u] = l[ch[u][0]] + l[ch[u][1]] + 1;
        r[u] = min(r[ch[u][0]], r[ch[u][1]]);
    }
}
 
void solve() {
    string s;
    cin >> s;
    
    stack<int> st;
    st.push(0);
    
    int w = 1;
    int i = 0;
    while (i < s.size()) {
        if (s[i] == '?') ch[st.top()].push_back(w++);
        else if (s[i] == 'm') {
            x[w] = s[i+1] == 'a' ? 2 : 1;
            ch[st.top()].push_back(w);
            st.push(w++);
            i += 3;
        } else if (s[i] == ')') st.pop();
        ++i;
    }
    
    dfs(1);
    
    int cnt = 0;
    for (char c : s) cnt += c == '?';
    cout << cnt - l[1] - r[1] << '\n';
}
 
int main() {
    cin.tie(0) -> sync_with_stdio(0);
    
    solve();
}

Compilation message

Main.cpp: In function 'void solve()':
Main.cpp:38:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     while (i < s.size()) {
      |            ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 52056 KB Output is correct
2 Correct 10 ms 52060 KB Output is correct
3 Correct 11 ms 52060 KB Output is correct
4 Correct 11 ms 52060 KB Output is correct
5 Correct 11 ms 52060 KB Output is correct
6 Correct 10 ms 52056 KB Output is correct
7 Correct 11 ms 52060 KB Output is correct
8 Correct 10 ms 52060 KB Output is correct
9 Correct 11 ms 52296 KB Output is correct
10 Correct 11 ms 52312 KB Output is correct
11 Correct 11 ms 52060 KB Output is correct
12 Correct 11 ms 52060 KB Output is correct
13 Correct 11 ms 52060 KB Output is correct
14 Correct 10 ms 52060 KB Output is correct
15 Correct 10 ms 52060 KB Output is correct
16 Correct 11 ms 52060 KB Output is correct
17 Correct 11 ms 52056 KB Output is correct
18 Correct 11 ms 52060 KB Output is correct
19 Correct 11 ms 52056 KB Output is correct
20 Correct 12 ms 52216 KB Output is correct
21 Correct 11 ms 52056 KB Output is correct
22 Correct 13 ms 52288 KB Output is correct
23 Correct 11 ms 52056 KB Output is correct
24 Correct 10 ms 52060 KB Output is correct
25 Correct 10 ms 52304 KB Output is correct
26 Correct 11 ms 52300 KB Output is correct
27 Correct 11 ms 52316 KB Output is correct
28 Correct 10 ms 52312 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 52056 KB Output is correct
2 Correct 10 ms 52060 KB Output is correct
3 Correct 11 ms 52060 KB Output is correct
4 Correct 11 ms 52060 KB Output is correct
5 Correct 11 ms 52060 KB Output is correct
6 Correct 10 ms 52056 KB Output is correct
7 Correct 11 ms 52060 KB Output is correct
8 Correct 10 ms 52060 KB Output is correct
9 Correct 11 ms 52296 KB Output is correct
10 Correct 11 ms 52312 KB Output is correct
11 Correct 11 ms 52060 KB Output is correct
12 Correct 11 ms 52060 KB Output is correct
13 Correct 11 ms 52060 KB Output is correct
14 Correct 10 ms 52060 KB Output is correct
15 Correct 10 ms 52060 KB Output is correct
16 Correct 11 ms 52060 KB Output is correct
17 Correct 11 ms 52056 KB Output is correct
18 Correct 11 ms 52060 KB Output is correct
19 Correct 11 ms 52056 KB Output is correct
20 Correct 12 ms 52216 KB Output is correct
21 Correct 11 ms 52056 KB Output is correct
22 Correct 13 ms 52288 KB Output is correct
23 Correct 11 ms 52056 KB Output is correct
24 Correct 10 ms 52060 KB Output is correct
25 Correct 10 ms 52304 KB Output is correct
26 Correct 11 ms 52300 KB Output is correct
27 Correct 11 ms 52316 KB Output is correct
28 Correct 10 ms 52312 KB Output is correct
29 Correct 11 ms 52060 KB Output is correct
30 Correct 11 ms 52060 KB Output is correct
31 Correct 11 ms 52060 KB Output is correct
32 Correct 10 ms 52056 KB Output is correct
33 Correct 10 ms 52060 KB Output is correct
34 Correct 11 ms 52056 KB Output is correct
35 Correct 11 ms 52060 KB Output is correct
36 Correct 12 ms 52060 KB Output is correct
37 Correct 11 ms 52060 KB Output is correct
38 Correct 11 ms 52164 KB Output is correct
39 Correct 11 ms 52056 KB Output is correct
40 Correct 10 ms 52308 KB Output is correct
41 Correct 11 ms 52056 KB Output is correct
42 Correct 10 ms 52060 KB Output is correct
43 Correct 11 ms 52060 KB Output is correct
44 Correct 11 ms 52056 KB Output is correct
45 Correct 10 ms 52056 KB Output is correct
46 Correct 10 ms 52060 KB Output is correct
47 Correct 11 ms 52056 KB Output is correct
48 Correct 10 ms 52056 KB Output is correct
49 Correct 10 ms 52060 KB Output is correct
50 Correct 10 ms 52060 KB Output is correct
51 Correct 11 ms 52060 KB Output is correct
52 Correct 11 ms 52060 KB Output is correct
53 Correct 12 ms 52060 KB Output is correct
54 Correct 11 ms 52304 KB Output is correct
55 Correct 11 ms 52308 KB Output is correct
56 Correct 11 ms 52060 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 168 ms 181704 KB Output is correct
2 Correct 176 ms 179356 KB Output is correct
3 Correct 175 ms 180692 KB Output is correct
4 Correct 179 ms 179516 KB Output is correct
5 Correct 171 ms 180384 KB Output is correct
6 Correct 172 ms 179916 KB Output is correct
7 Correct 166 ms 180304 KB Output is correct
8 Correct 172 ms 179168 KB Output is correct
9 Correct 178 ms 179604 KB Output is correct
10 Correct 177 ms 179880 KB Output is correct
11 Correct 172 ms 180044 KB Output is correct
12 Correct 172 ms 180356 KB Output is correct
13 Correct 11 ms 52060 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 52056 KB Output is correct
2 Correct 10 ms 52060 KB Output is correct
3 Correct 11 ms 52060 KB Output is correct
4 Correct 11 ms 52060 KB Output is correct
5 Correct 11 ms 52060 KB Output is correct
6 Correct 10 ms 52056 KB Output is correct
7 Correct 11 ms 52060 KB Output is correct
8 Correct 10 ms 52060 KB Output is correct
9 Correct 11 ms 52296 KB Output is correct
10 Correct 11 ms 52312 KB Output is correct
11 Correct 11 ms 52060 KB Output is correct
12 Correct 11 ms 52060 KB Output is correct
13 Correct 11 ms 52060 KB Output is correct
14 Correct 10 ms 52060 KB Output is correct
15 Correct 10 ms 52060 KB Output is correct
16 Correct 11 ms 52060 KB Output is correct
17 Correct 11 ms 52056 KB Output is correct
18 Correct 11 ms 52060 KB Output is correct
19 Correct 11 ms 52056 KB Output is correct
20 Correct 12 ms 52216 KB Output is correct
21 Correct 11 ms 52056 KB Output is correct
22 Correct 13 ms 52288 KB Output is correct
23 Correct 11 ms 52056 KB Output is correct
24 Correct 10 ms 52060 KB Output is correct
25 Correct 10 ms 52304 KB Output is correct
26 Correct 11 ms 52300 KB Output is correct
27 Correct 11 ms 52316 KB Output is correct
28 Correct 10 ms 52312 KB Output is correct
29 Correct 11 ms 52060 KB Output is correct
30 Correct 11 ms 52060 KB Output is correct
31 Correct 11 ms 52060 KB Output is correct
32 Correct 10 ms 52056 KB Output is correct
33 Correct 10 ms 52060 KB Output is correct
34 Correct 11 ms 52056 KB Output is correct
35 Correct 11 ms 52060 KB Output is correct
36 Correct 12 ms 52060 KB Output is correct
37 Correct 11 ms 52060 KB Output is correct
38 Correct 11 ms 52164 KB Output is correct
39 Correct 11 ms 52056 KB Output is correct
40 Correct 10 ms 52308 KB Output is correct
41 Correct 11 ms 52056 KB Output is correct
42 Correct 10 ms 52060 KB Output is correct
43 Correct 11 ms 52060 KB Output is correct
44 Correct 11 ms 52056 KB Output is correct
45 Correct 10 ms 52056 KB Output is correct
46 Correct 10 ms 52060 KB Output is correct
47 Correct 11 ms 52056 KB Output is correct
48 Correct 10 ms 52056 KB Output is correct
49 Correct 10 ms 52060 KB Output is correct
50 Correct 10 ms 52060 KB Output is correct
51 Correct 11 ms 52060 KB Output is correct
52 Correct 11 ms 52060 KB Output is correct
53 Correct 12 ms 52060 KB Output is correct
54 Correct 11 ms 52304 KB Output is correct
55 Correct 11 ms 52308 KB Output is correct
56 Correct 11 ms 52060 KB Output is correct
57 Correct 11 ms 52316 KB Output is correct
58 Correct 11 ms 52364 KB Output is correct
59 Correct 11 ms 52316 KB Output is correct
60 Correct 11 ms 52156 KB Output is correct
61 Correct 11 ms 52156 KB Output is correct
62 Correct 11 ms 52316 KB Output is correct
63 Correct 10 ms 52312 KB Output is correct
64 Correct 10 ms 52316 KB Output is correct
65 Correct 10 ms 52216 KB Output is correct
66 Correct 11 ms 52316 KB Output is correct
67 Correct 11 ms 52316 KB Output is correct
68 Correct 11 ms 52316 KB Output is correct
69 Correct 11 ms 52316 KB Output is correct
70 Correct 11 ms 52148 KB Output is correct
71 Correct 11 ms 52312 KB Output is correct
72 Correct 11 ms 52412 KB Output is correct
73 Correct 11 ms 52316 KB Output is correct
74 Correct 11 ms 52420 KB Output is correct
75 Correct 12 ms 52316 KB Output is correct
76 Correct 11 ms 52316 KB Output is correct
77 Correct 11 ms 52364 KB Output is correct
78 Correct 11 ms 52316 KB Output is correct
79 Correct 11 ms 52316 KB Output is correct
80 Correct 11 ms 52360 KB Output is correct
81 Correct 11 ms 52316 KB Output is correct
82 Correct 11 ms 52316 KB Output is correct
83 Correct 11 ms 52316 KB Output is correct
84 Correct 11 ms 52332 KB Output is correct
85 Correct 11 ms 52200 KB Output is correct
86 Correct 12 ms 52316 KB Output is correct

Subtask #5
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 52056 KB Output is correct
2 Correct 10 ms 52060 KB Output is correct
3 Correct 11 ms 52060 KB Output is correct
4 Correct 11 ms 52060 KB Output is correct
5 Correct 11 ms 52060 KB Output is correct
6 Correct 10 ms 52056 KB Output is correct
7 Correct 11 ms 52060 KB Output is correct
8 Correct 10 ms 52060 KB Output is correct
9 Correct 11 ms 52296 KB Output is correct
10 Correct 11 ms 52312 KB Output is correct
11 Correct 11 ms 52060 KB Output is correct
12 Correct 11 ms 52060 KB Output is correct
13 Correct 11 ms 52060 KB Output is correct
14 Correct 10 ms 52060 KB Output is correct
15 Correct 10 ms 52060 KB Output is correct
16 Correct 11 ms 52060 KB Output is correct
17 Correct 11 ms 52056 KB Output is correct
18 Correct 11 ms 52060 KB Output is correct
19 Correct 11 ms 52056 KB Output is correct
20 Correct 12 ms 52216 KB Output is correct
21 Correct 11 ms 52056 KB Output is correct
22 Correct 13 ms 52288 KB Output is correct
23 Correct 11 ms 52056 KB Output is correct
24 Correct 10 ms 52060 KB Output is correct
25 Correct 10 ms 52304 KB Output is correct
26 Correct 11 ms 52300 KB Output is correct
27 Correct 11 ms 52316 KB Output is correct
28 Correct 10 ms 52312 KB Output is correct
29 Correct 11 ms 52060 KB Output is correct
30 Correct 11 ms 52060 KB Output is correct
31 Correct 11 ms 52060 KB Output is correct
32 Correct 10 ms 52056 KB Output is correct
33 Correct 10 ms 52060 KB Output is correct
34 Correct 11 ms 52056 KB Output is correct
35 Correct 11 ms 52060 KB Output is correct
36 Correct 12 ms 52060 KB Output is correct
37 Correct 11 ms 52060 KB Output is correct
38 Correct 11 ms 52164 KB Output is correct
39 Correct 11 ms 52056 KB Output is correct
40 Correct 10 ms 52308 KB Output is correct
41 Correct 11 ms 52056 KB Output is correct
42 Correct 10 ms 52060 KB Output is correct
43 Correct 11 ms 52060 KB Output is correct
44 Correct 11 ms 52056 KB Output is correct
45 Correct 10 ms 52056 KB Output is correct
46 Correct 10 ms 52060 KB Output is correct
47 Correct 11 ms 52056 KB Output is correct
48 Correct 10 ms 52056 KB Output is correct
49 Correct 10 ms 52060 KB Output is correct
50 Correct 10 ms 52060 KB Output is correct
51 Correct 11 ms 52060 KB Output is correct
52 Correct 11 ms 52060 KB Output is correct
53 Correct 12 ms 52060 KB Output is correct
54 Correct 11 ms 52304 KB Output is correct
55 Correct 11 ms 52308 KB Output is correct
56 Correct 11 ms 52060 KB Output is correct
57 Correct 168 ms 181704 KB Output is correct
58 Correct 176 ms 179356 KB Output is correct
59 Correct 175 ms 180692 KB Output is correct
60 Correct 179 ms 179516 KB Output is correct
61 Correct 171 ms 180384 KB Output is correct
62 Correct 172 ms 179916 KB Output is correct
63 Correct 166 ms 180304 KB Output is correct
64 Correct 172 ms 179168 KB Output is correct
65 Correct 178 ms 179604 KB Output is correct
66 Correct 177 ms 179880 KB Output is correct
67 Correct 172 ms 180044 KB Output is correct
68 Correct 172 ms 180356 KB Output is correct
69 Correct 11 ms 52060 KB Output is correct
70 Correct 11 ms 52316 KB Output is correct
71 Correct 11 ms 52364 KB Output is correct
72 Correct 11 ms 52316 KB Output is correct
73 Correct 11 ms 52156 KB Output is correct
74 Correct 11 ms 52156 KB Output is correct
75 Correct 11 ms 52316 KB Output is correct
76 Correct 10 ms 52312 KB Output is correct
77 Correct 10 ms 52316 KB Output is correct
78 Correct 10 ms 52216 KB Output is correct
79 Correct 11 ms 52316 KB Output is correct
80 Correct 11 ms 52316 KB Output is correct
81 Correct 11 ms 52316 KB Output is correct
82 Correct 11 ms 52316 KB Output is correct
83 Correct 11 ms 52148 KB Output is correct
84 Correct 11 ms 52312 KB Output is correct
85 Correct 11 ms 52412 KB Output is correct
86 Correct 11 ms 52316 KB Output is correct
87 Correct 11 ms 52420 KB Output is correct
88 Correct 12 ms 52316 KB Output is correct
89 Correct 11 ms 52316 KB Output is correct
90 Correct 11 ms 52364 KB Output is correct
91 Correct 11 ms 52316 KB Output is correct
92 Correct 11 ms 52316 KB Output is correct
93 Correct 11 ms 52360 KB Output is correct
94 Correct 11 ms 52316 KB Output is correct
95 Correct 11 ms 52316 KB Output is correct
96 Correct 11 ms 52316 KB Output is correct
97 Correct 11 ms 52332 KB Output is correct
98 Correct 11 ms 52200 KB Output is correct
99 Correct 12 ms 52316 KB Output is correct
100 Correct 125 ms 113356 KB Output is correct
101 Correct 124 ms 113360 KB Output is correct
102 Correct 120 ms 112556 KB Output is correct
103 Correct 129 ms 112776 KB Output is correct
104 Correct 119 ms 113508 KB Output is correct
105 Correct 149 ms 133684 KB Output is correct
106 Correct 151 ms 134092 KB Output is correct
107 Correct 164 ms 133432 KB Output is correct
108 Correct 145 ms 133840 KB Output is correct
109 Correct 147 ms 133580 KB Output is correct
110 Correct 134 ms 113208 KB Output is correct
111 Correct 131 ms 113360 KB Output is correct
112 Correct 129 ms 112552 KB Output is correct
113 Correct 130 ms 113612 KB Output is correct
114 Correct 126 ms 112588 KB Output is correct
115 Correct 178 ms 179148 KB Output is correct
116 Correct 179 ms 179516 KB Output is correct
117 Correct 168 ms 179660 KB Output is correct
118 Correct 171 ms 180528 KB Output is correct
119 Correct 171 ms 176468 KB Output is correct
120 Correct 132 ms 110008 KB Output is correct
121 Correct 124 ms 109008 KB Output is correct
122 Correct 129 ms 109008 KB Output is correct
123 Correct 133 ms 110292 KB Output is correct
124 Correct 140 ms 142852 KB Output is correct
125 Correct 137 ms 142288 KB Output is correct
126 Correct 140 ms 143052 KB Output is correct
127 Correct 135 ms 143628 KB Output is correct
128 Correct 63 ms 84696 KB Output is correct
129 Correct 61 ms 84692 KB Output is correct
130 Correct 74 ms 84576 KB Output is correct
131 Correct 11 ms 52060 KB Output is correct