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답안 #666184

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
666184 2022-11-27T17:09:43 Z Kahou Homework (CEOI22_homework) C++14
100 / 100
 101 ms 68132 KB 
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define mk make_pair
#define endl '\n'
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int N = 2e6 + 50;
int n;
string s;
pii ch[N];
bool mark[N];
int cnt[N];
pii dp[N];
stack<int> st;

void input() {
	cin >> s;
	for (int i = 0; i < (int)s.size(); i++) {
		if (s[i] == 'm') {
			n++;
			st.push(n);
			mark[n] = (s[i+1] == 'a');
			i += 3;
			continue;
		}
		else if (s[i] == '?') {
			n++;
			if (st.empty()) continue;
			if (ch[st.top()].F) ch[st.top()].S = n;
			else ch[st.top()].F = n;
		}
		else if (s[i] == ')') {
			int u = st.top();
			st.pop();
			if (st.empty()) continue;
			if (ch[st.top()].F) ch[st.top()].S = u;
			else ch[st.top()].F = u;
		}
	}
}

void dfs(int u) {
	if (!ch[u].F) return;
	int v1 = ch[u].F, v2 = ch[u].S;
	dfs(v1);
	dfs(v2);
	dp[u].F = (mark[u]? dp[v1].F + dp[v2].F + 1: min(dp[v1].F, dp[v2].F));
	dp[u].S = (mark[u]? min(dp[v1].S, dp[v2].S): dp[v1].S+dp[v2].S+1);
}

void solve() {
	input();
	dfs(1);
	cout << (n+1)/2 - dp[1].F - dp[1].S << endl;
}
int main() {
	ios::sync_with_stdio(0), cin.tie(0);
	solve();
	return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 0 ms 328 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 320 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 324 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 0 ms 328 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 320 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 324 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 324 KB Output is correct
35 Correct 0 ms 328 KB Output is correct
36 Correct 1 ms 292 KB Output is correct
37 Correct 1 ms 328 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 328 KB Output is correct
45 Correct 0 ms 328 KB Output is correct
46 Correct 0 ms 324 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 328 KB Output is correct
51 Correct 1 ms 220 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 1 ms 328 KB Output is correct
56 Correct 1 ms 324 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 85 ms 68008 KB Output is correct
2 Correct 85 ms 67996 KB Output is correct
3 Correct 94 ms 68040 KB Output is correct
4 Correct 93 ms 68032 KB Output is correct
5 Correct 83 ms 68040 KB Output is correct
6 Correct 85 ms 68008 KB Output is correct
7 Correct 83 ms 68024 KB Output is correct
8 Correct 101 ms 68060 KB Output is correct
9 Correct 87 ms 68132 KB Output is correct
10 Correct 85 ms 68000 KB Output is correct
11 Correct 84 ms 68028 KB Output is correct
12 Correct 83 ms 67840 KB Output is correct
13 Correct 1 ms 340 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 0 ms 328 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 320 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 324 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 324 KB Output is correct
35 Correct 0 ms 328 KB Output is correct
36 Correct 1 ms 292 KB Output is correct
37 Correct 1 ms 328 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 328 KB Output is correct
45 Correct 0 ms 328 KB Output is correct
46 Correct 0 ms 324 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 328 KB Output is correct
51 Correct 1 ms 220 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 1 ms 328 KB Output is correct
56 Correct 1 ms 324 KB Output is correct
57 Correct 0 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 0 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 328 KB Output is correct
65 Correct 0 ms 332 KB Output is correct
66 Correct 0 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 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 332 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 340 KB Output is correct
78 Correct 1 ms 340 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 1 ms 340 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 0 ms 340 KB Output is correct

Subtask #5
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 0 ms 328 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 320 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 324 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 324 KB Output is correct
35 Correct 0 ms 328 KB Output is correct
36 Correct 1 ms 292 KB Output is correct
37 Correct 1 ms 328 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 328 KB Output is correct
45 Correct 0 ms 328 KB Output is correct
46 Correct 0 ms 324 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 328 KB Output is correct
51 Correct 1 ms 220 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 1 ms 328 KB Output is correct
56 Correct 1 ms 324 KB Output is correct
57 Correct 85 ms 68008 KB Output is correct
58 Correct 85 ms 67996 KB Output is correct
59 Correct 94 ms 68040 KB Output is correct
60 Correct 93 ms 68032 KB Output is correct
61 Correct 83 ms 68040 KB Output is correct
62 Correct 85 ms 68008 KB Output is correct
63 Correct 83 ms 68024 KB Output is correct
64 Correct 101 ms 68060 KB Output is correct
65 Correct 87 ms 68132 KB Output is correct
66 Correct 85 ms 68000 KB Output is correct
67 Correct 84 ms 68028 KB Output is correct
68 Correct 83 ms 67840 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 0 ms 340 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 0 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 328 KB Output is correct
78 Correct 0 ms 332 KB Output is correct
79 Correct 0 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 1 ms 340 KB Output is correct
85 Correct 1 ms 332 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 1 ms 340 KB Output is correct
90 Correct 1 ms 340 KB Output is correct
91 Correct 1 ms 340 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 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 0 ms 340 KB Output is correct
100 Correct 70 ms 40940 KB Output is correct
101 Correct 70 ms 40948 KB Output is correct
102 Correct 64 ms 40860 KB Output is correct
103 Correct 66 ms 40924 KB Output is correct
104 Correct 62 ms 40944 KB Output is correct
105 Correct 77 ms 52536 KB Output is correct
106 Correct 82 ms 52632 KB Output is correct
107 Correct 74 ms 52596 KB Output is correct
108 Correct 74 ms 52716 KB Output is correct
109 Correct 73 ms 52524 KB Output is correct
110 Correct 74 ms 40908 KB Output is correct
111 Correct 72 ms 40908 KB Output is correct
112 Correct 68 ms 40908 KB Output is correct
113 Correct 73 ms 40928 KB Output is correct
114 Correct 67 ms 40972 KB Output is correct
115 Correct 88 ms 67716 KB Output is correct
116 Correct 88 ms 67704 KB Output is correct
117 Correct 88 ms 67740 KB Output is correct
118 Correct 87 ms 67788 KB Output is correct
119 Correct 83 ms 67756 KB Output is correct
120 Correct 67 ms 40616 KB Output is correct
121 Correct 73 ms 40588 KB Output is correct
122 Correct 72 ms 40620 KB Output is correct
123 Correct 69 ms 40604 KB Output is correct
124 Correct 69 ms 58332 KB Output is correct
125 Correct 71 ms 58264 KB Output is correct
126 Correct 69 ms 58148 KB Output is correct
127 Correct 68 ms 58196 KB Output is correct
128 Correct 31 ms 21552 KB Output is correct
129 Correct 35 ms 21528 KB Output is correct
130 Correct 29 ms 21616 KB Output is correct
131 Correct 0 ms 340 KB Output is correct