1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#include <stdio.h>
#include <stdlib.h>
struct listnode {
struct listnode *next;
char val;
};
typedef struct {
struct listnode *head;
} Stack;
void stack_push(Stack *s, char val) {
struct listnode *n = malloc(sizeof(struct listnode));
n->next = s->head;
n->val = val;
s->head = n;
}
char* stack_top(Stack *s) {
if (s->head == NULL) return NULL;
return &(s->head->val);
}
void stack_pop(Stack *s) {
if (s->head == NULL) return;
struct listnode *next = s->head->next;
free(s->head);
s->head = next;
}
char buf[4096];
int main() {
Stack s[9];
FILE *fp = fopen("input", "r");
fread(buf, 1, 36 * 8, fp);
for (int i = 0; i < 9; i++) {
for (int j = 0; j < 8; j++) {
char c = buf[(7 - j) * 36 + i * 4 + 1];
if (c != ' ') {
stack_push(&s[i], c);
}
}
}
fgets(buf, 4096, fp);
fgets(buf, 4096, fp);
int amount, from, to;
while (fscanf(fp, "move %d from %d to %d\n", &amount, &from, &to) > 0) {
for (int i = 0; i < amount; i++) {
char c = *stack_top(&s[from - 1]);
stack_pop(&s[from - 1]);
stack_push(&s[to - 1], c);
}
}
for (int i = 0; i < 9; i++) {
printf("%c", *stack_top(&s[i]));
}
printf("\n");
return 0;
}
|
