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Submission #684061

# Submission time Handle Problem Language Result Execution time Memory
684061 2023-01-20T08:29:25 Z piOOE Homework (CEOI22_homework) C++17
100 / 100
 169 ms 170820 KB 
#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 n = s.size();

    vector<int> stk;

    vector<int> bracket(n, -1), comma(n, -1);

    int cnt = count(s.begin(), s.end(), '?');

    for (int i = 0; i < n; ++i) {
        if (s[i] == ')') {
            int p = stk.back();
            stk.pop_back();

            bracket[p] = i, bracket[i] = p;

            if (s[i - 1] == ')') {
                comma[p] = comma[i] = bracket[i - 1] - 4;
            } else {
                if (s[p + 1] == 'm') {
                    comma[p] = comma[i] = bracket[p + 4] + 1;
                } else {
                    comma[p] = comma[i] = p + 2;
                }
            }
        } else if (s[i] == '(') {
            stk.push_back(i);
        }
    }

    function<pair<int, int>(int, int)> solve = [&](int l, int r) -> pair<int, int> {
        if (l == r) {
            return {0, 0};
        } else {
            while (l < n && s[l] != '(') {
                l += 1;
            }
          
            int mid = comma[l];

            auto L = solve(l + 1, mid - 1);
            auto R = solve(mid + 1, r - 1);

            if (s[l - 1] == 'x') { // -> max
                return {L.first + R.first + 1, min(L.second, R.second)};
            } else { // -> min
                return {min(L.first, R.first), L.second + R.second + 1};
            }
        }
    };

    auto ans = solve(0, n - 1);

    cout << cnt - ans.first - ans.second << '\n';

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 316 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 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 1 ms 320 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 316 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 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 1 ms 320 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 324 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 320 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 316 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 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 1 ms 316 KB Output is correct
41 Correct 1 ms 320 KB Output is correct
42 Correct 0 ms 320 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 0 ms 320 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 316 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 150 ms 170712 KB Output is correct
2 Correct 153 ms 170720 KB Output is correct
3 Correct 153 ms 170680 KB Output is correct
4 Correct 156 ms 170748 KB Output is correct
5 Correct 147 ms 170632 KB Output is correct
6 Correct 145 ms 170696 KB Output is correct
7 Correct 146 ms 170752 KB Output is correct
8 Correct 149 ms 170648 KB Output is correct
9 Correct 149 ms 170752 KB Output is correct
10 Correct 165 ms 170820 KB Output is correct
11 Correct 145 ms 170640 KB Output is correct
12 Correct 145 ms 170744 KB Output is correct
13 Correct 0 ms 212 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 316 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 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 1 ms 320 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 324 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 320 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 316 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 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 1 ms 316 KB Output is correct
41 Correct 1 ms 320 KB Output is correct
42 Correct 0 ms 320 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 0 ms 320 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 316 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 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 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 1 ms 340 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 324 KB Output is correct
65 Correct 1 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 460 KB Output is correct
76 Correct 1 ms 448 KB Output is correct
77 Correct 1 ms 340 KB Output is correct
78 Correct 1 ms 320 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 1 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 340 KB Output is correct
86 Correct 1 ms 212 KB Output is correct

Subtask #5
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 316 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 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 1 ms 320 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 324 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 320 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 316 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 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 1 ms 316 KB Output is correct
41 Correct 1 ms 320 KB Output is correct
42 Correct 0 ms 320 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 0 ms 320 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 316 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 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 150 ms 170712 KB Output is correct
58 Correct 153 ms 170720 KB Output is correct
59 Correct 153 ms 170680 KB Output is correct
60 Correct 156 ms 170748 KB Output is correct
61 Correct 147 ms 170632 KB Output is correct
62 Correct 145 ms 170696 KB Output is correct
63 Correct 146 ms 170752 KB Output is correct
64 Correct 149 ms 170648 KB Output is correct
65 Correct 149 ms 170752 KB Output is correct
66 Correct 165 ms 170820 KB Output is correct
67 Correct 145 ms 170640 KB Output is correct
68 Correct 145 ms 170744 KB Output is correct
69 Correct 0 ms 212 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 1 ms 340 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 324 KB Output is correct
78 Correct 1 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 460 KB Output is correct
89 Correct 1 ms 448 KB Output is correct
90 Correct 1 ms 340 KB Output is correct
91 Correct 1 ms 320 KB Output is correct
92 Correct 1 ms 340 KB Output is correct
93 Correct 0 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 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 212 KB Output is correct
100 Correct 101 ms 68884 KB Output is correct
101 Correct 100 ms 68876 KB Output is correct
102 Correct 102 ms 68972 KB Output is correct
103 Correct 95 ms 68924 KB Output is correct
104 Correct 94 ms 68904 KB Output is correct
105 Correct 114 ms 103348 KB Output is correct
106 Correct 118 ms 103588 KB Output is correct
107 Correct 123 ms 103364 KB Output is correct
108 Correct 113 ms 103352 KB Output is correct
109 Correct 114 ms 103460 KB Output is correct
110 Correct 105 ms 68920 KB Output is correct
111 Correct 105 ms 68916 KB Output is correct
112 Correct 100 ms 68920 KB Output is correct
113 Correct 102 ms 69016 KB Output is correct
114 Correct 99 ms 68884 KB Output is correct
115 Correct 159 ms 170684 KB Output is correct
116 Correct 159 ms 170688 KB Output is correct
117 Correct 148 ms 170776 KB Output is correct
118 Correct 169 ms 170632 KB Output is correct
119 Correct 148 ms 170648 KB Output is correct
120 Correct 100 ms 68916 KB Output is correct
121 Correct 120 ms 68916 KB Output is correct
122 Correct 105 ms 68872 KB Output is correct
123 Correct 110 ms 68964 KB Output is correct
124 Correct 123 ms 119696 KB Output is correct
125 Correct 116 ms 119712 KB Output is correct
126 Correct 129 ms 119656 KB Output is correct
127 Correct 116 ms 119660 KB Output is correct
128 Correct 47 ms 36348 KB Output is correct
129 Correct 50 ms 36328 KB Output is correct
130 Correct 45 ms 36344 KB Output is correct
131 Correct 0 ms 316 KB Output is correct