#include <stdio.h>
#include <stdlib.h>
#define MAX 1000005
typedef struct _Node {
int dp[2];
int size, type;
struct _Node *left, *right;
} Node;
int N;
int can[MAX];
char input[10 * MAX];
Node* parse(char** str) {
Node* res = malloc(sizeof(Node));
if (**str == 'm') {
res -> type = *(*str + 1) == 'a';
*str += 4;
res -> left = parse(str);
*str += 1;
res -> right = parse(str);
res -> size = res -> left -> size + res -> right -> size;
}
else {
res -> type = -1;
res -> size = 1;
}
*str += 1;
return res;
}
int min(int a, int b) {
return a < b ? a : b;
}
void dfs_dp(Node* x) {
if (x -> type == -1) {
x -> dp[0] = x -> dp[1] = 1;
return;
}
int i;
dfs_dp(x -> left);
dfs_dp(x -> right);
for (i = 0; i < 2; i++)
if (x -> type == i)
x -> dp[i] = min(x -> left -> dp[i], x -> right -> dp[i]);
else
x -> dp[i] = x -> left -> dp[i] + x -> right -> dp[i];
}
void dfs_solve(Node* x, int smaller, int larger) {
if (x -> type == -1) {
can[smaller + 1]++;
can[N - larger + 1]--;
return;
}
dfs_solve(x -> left, smaller + (x -> type ? x -> right -> dp[0] : 0), larger + (x -> type ? 0 : x -> right -> dp[1]));
dfs_solve(x -> right, smaller + (x -> type ? x -> left -> dp[0] : 0), larger + (x -> type ? 0 : x -> left -> dp[1]));
}
int main() {
scanf("%s", input);
char* foo = input;
Node* root = parse(&foo);
N = root -> size;
dfs_dp(root);
dfs_solve(root, 0, 0);
int i, ans = 0;
for (i = 1; i <= N; i++) {
can[i] += can[i - 1];
ans += !!can[i];
}
printf("%d\n", ans);
return 0;
}
Compilation message
Main.c: In function 'main':
Main.c:63:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
63 | scanf("%s", input);
| ^~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
296 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 |
292 KB |
Output is correct |
8 |
Correct |
0 ms |
288 KB |
Output is correct |
9 |
Correct |
0 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 |
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 |
0 ms |
288 KB |
Output is correct |
18 |
Correct |
0 ms |
296 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 |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
288 KB |
Output is correct |
26 |
Correct |
0 ms |
288 KB |
Output is correct |
27 |
Correct |
1 ms |
292 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
296 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 |
292 KB |
Output is correct |
8 |
Correct |
0 ms |
288 KB |
Output is correct |
9 |
Correct |
0 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 |
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 |
0 ms |
288 KB |
Output is correct |
18 |
Correct |
0 ms |
296 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 |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
288 KB |
Output is correct |
26 |
Correct |
0 ms |
288 KB |
Output is correct |
27 |
Correct |
1 ms |
292 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
288 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 |
224 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 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 |
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 |
216 KB |
Output is correct |
44 |
Correct |
0 ms |
216 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 |
0 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
292 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
0 ms |
212 KB |
Output is correct |
53 |
Correct |
0 ms |
288 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 |
191 ms |
141056 KB |
Output is correct |
2 |
Correct |
189 ms |
141576 KB |
Output is correct |
3 |
Correct |
186 ms |
141260 KB |
Output is correct |
4 |
Correct |
183 ms |
142888 KB |
Output is correct |
5 |
Correct |
179 ms |
142516 KB |
Output is correct |
6 |
Correct |
181 ms |
142892 KB |
Output is correct |
7 |
Correct |
182 ms |
142072 KB |
Output is correct |
8 |
Correct |
183 ms |
142320 KB |
Output is correct |
9 |
Correct |
181 ms |
141516 KB |
Output is correct |
10 |
Correct |
188 ms |
141088 KB |
Output is correct |
11 |
Correct |
180 ms |
143088 KB |
Output is correct |
12 |
Correct |
184 ms |
141512 KB |
Output is correct |
13 |
Correct |
0 ms |
216 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
296 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 |
292 KB |
Output is correct |
8 |
Correct |
0 ms |
288 KB |
Output is correct |
9 |
Correct |
0 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 |
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 |
0 ms |
288 KB |
Output is correct |
18 |
Correct |
0 ms |
296 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 |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
288 KB |
Output is correct |
26 |
Correct |
0 ms |
288 KB |
Output is correct |
27 |
Correct |
1 ms |
292 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
288 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 |
224 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 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 |
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 |
216 KB |
Output is correct |
44 |
Correct |
0 ms |
216 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 |
0 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
292 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
0 ms |
212 KB |
Output is correct |
53 |
Correct |
0 ms |
288 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 |
1 ms |
300 KB |
Output is correct |
58 |
Correct |
0 ms |
340 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 |
0 ms |
340 KB |
Output is correct |
64 |
Correct |
0 ms |
340 KB |
Output is correct |
65 |
Correct |
1 ms |
424 KB |
Output is correct |
66 |
Correct |
1 ms |
340 KB |
Output is correct |
67 |
Correct |
0 ms |
340 KB |
Output is correct |
68 |
Correct |
0 ms |
296 KB |
Output is correct |
69 |
Correct |
1 ms |
340 KB |
Output is correct |
70 |
Correct |
0 ms |
284 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 |
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 |
0 ms |
340 KB |
Output is correct |
82 |
Correct |
0 ms |
340 KB |
Output is correct |
83 |
Correct |
0 ms |
288 KB |
Output is correct |
84 |
Correct |
1 ms |
340 KB |
Output is correct |
85 |
Correct |
1 ms |
288 KB |
Output is correct |
86 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
296 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 |
292 KB |
Output is correct |
8 |
Correct |
0 ms |
288 KB |
Output is correct |
9 |
Correct |
0 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 |
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 |
0 ms |
288 KB |
Output is correct |
18 |
Correct |
0 ms |
296 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 |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
288 KB |
Output is correct |
26 |
Correct |
0 ms |
288 KB |
Output is correct |
27 |
Correct |
1 ms |
292 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
288 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 |
224 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 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 |
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 |
216 KB |
Output is correct |
44 |
Correct |
0 ms |
216 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 |
0 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
292 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
0 ms |
212 KB |
Output is correct |
53 |
Correct |
0 ms |
288 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 |
191 ms |
141056 KB |
Output is correct |
58 |
Correct |
189 ms |
141576 KB |
Output is correct |
59 |
Correct |
186 ms |
141260 KB |
Output is correct |
60 |
Correct |
183 ms |
142888 KB |
Output is correct |
61 |
Correct |
179 ms |
142516 KB |
Output is correct |
62 |
Correct |
181 ms |
142892 KB |
Output is correct |
63 |
Correct |
182 ms |
142072 KB |
Output is correct |
64 |
Correct |
183 ms |
142320 KB |
Output is correct |
65 |
Correct |
181 ms |
141516 KB |
Output is correct |
66 |
Correct |
188 ms |
141088 KB |
Output is correct |
67 |
Correct |
180 ms |
143088 KB |
Output is correct |
68 |
Correct |
184 ms |
141512 KB |
Output is correct |
69 |
Correct |
0 ms |
216 KB |
Output is correct |
70 |
Correct |
1 ms |
300 KB |
Output is correct |
71 |
Correct |
0 ms |
340 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 |
0 ms |
340 KB |
Output is correct |
77 |
Correct |
0 ms |
340 KB |
Output is correct |
78 |
Correct |
1 ms |
424 KB |
Output is correct |
79 |
Correct |
1 ms |
340 KB |
Output is correct |
80 |
Correct |
0 ms |
340 KB |
Output is correct |
81 |
Correct |
0 ms |
296 KB |
Output is correct |
82 |
Correct |
1 ms |
340 KB |
Output is correct |
83 |
Correct |
0 ms |
284 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 |
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 |
0 ms |
340 KB |
Output is correct |
95 |
Correct |
0 ms |
340 KB |
Output is correct |
96 |
Correct |
0 ms |
288 KB |
Output is correct |
97 |
Correct |
1 ms |
340 KB |
Output is correct |
98 |
Correct |
1 ms |
288 KB |
Output is correct |
99 |
Correct |
0 ms |
212 KB |
Output is correct |
100 |
Correct |
152 ms |
111468 KB |
Output is correct |
101 |
Correct |
152 ms |
110652 KB |
Output is correct |
102 |
Correct |
175 ms |
110580 KB |
Output is correct |
103 |
Correct |
144 ms |
110708 KB |
Output is correct |
104 |
Correct |
145 ms |
109900 KB |
Output is correct |
105 |
Correct |
202 ms |
120704 KB |
Output is correct |
106 |
Correct |
175 ms |
120296 KB |
Output is correct |
107 |
Correct |
178 ms |
120536 KB |
Output is correct |
108 |
Correct |
178 ms |
121472 KB |
Output is correct |
109 |
Correct |
177 ms |
121760 KB |
Output is correct |
110 |
Correct |
173 ms |
111664 KB |
Output is correct |
111 |
Correct |
164 ms |
110704 KB |
Output is correct |
112 |
Correct |
154 ms |
111128 KB |
Output is correct |
113 |
Correct |
163 ms |
110456 KB |
Output is correct |
114 |
Correct |
170 ms |
111180 KB |
Output is correct |
115 |
Correct |
186 ms |
142764 KB |
Output is correct |
116 |
Correct |
214 ms |
141840 KB |
Output is correct |
117 |
Correct |
193 ms |
142700 KB |
Output is correct |
118 |
Correct |
186 ms |
141900 KB |
Output is correct |
119 |
Correct |
191 ms |
141612 KB |
Output is correct |
120 |
Correct |
155 ms |
111260 KB |
Output is correct |
121 |
Correct |
151 ms |
111400 KB |
Output is correct |
122 |
Correct |
188 ms |
111052 KB |
Output is correct |
123 |
Correct |
164 ms |
111344 KB |
Output is correct |
124 |
Correct |
156 ms |
127268 KB |
Output is correct |
125 |
Correct |
154 ms |
127104 KB |
Output is correct |
126 |
Correct |
162 ms |
126588 KB |
Output is correct |
127 |
Correct |
155 ms |
127336 KB |
Output is correct |
128 |
Correct |
81 ms |
58592 KB |
Output is correct |
129 |
Correct |
79 ms |
58252 KB |
Output is correct |
130 |
Correct |
78 ms |
58544 KB |
Output is correct |
131 |
Correct |
1 ms |
212 KB |
Output is correct |