oj.uz

답안 #636978

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
636978 2022-08-30T23:19:00 Z abeker Homework (CEOI22_homework) C
100 / 100
 214 ms 143088 KB 
#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);
      |   ^~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 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

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 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

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 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

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 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

Subtask #5
34.0 / 34.0

# 결과 실행 시간 메모리 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