用c语言解决约瑟夫环问题处理
时间: 2024-01-05 12:02:20 浏览: 37
好的,约瑟夫环问题可以使用循环链表来解决,以下是使用C语言实现的示例代码:
```c
#include <stdio.h>
#include <stdlib.h>
struct Node {
int data;
struct Node* next;
};
void createList(struct Node** head, int n) {
struct Node *prev, *cur;
*head = (struct Node*)malloc(sizeof(struct Node));
(*head)->data = 1;
prev = *head;
for (int i = 2; i <= n; i++) {
cur = (struct Node*)malloc(sizeof(struct Node));
cur->data = i;
prev->next = cur;
prev = cur;
}
prev->next = *head;
}
void josephus(struct Node** head, int k) {
struct Node *prev, *cur;
prev = *head;
cur = (*head)->next;
while (prev->next != prev) {
for (int i = 1; i < k; i++) {
prev = prev->next;
cur = cur->next;
}
prev->next = cur->next;
printf("%d ", cur->data);
free(cur);
cur = prev->next;
}
*head = prev;
}
int main() {
int n, k;
struct Node* head = NULL;
printf("Enter the number of people: ");
scanf("%d", &n);
printf("Enter the elimination number: ");
scanf("%d", &k);
createList(&head, n);
josephus(&head, k);
printf("\nThe winner is: %d", head->data);
return 0;
}
```
这段代码首先使用 `createList` 函数创建一个包含 `n` 个人的循环链表,然后使用 `josephus` 函数依次出列每第 `k` 个人,最后输出胜利者的编号。