SDUT - 3663 顺序表应用4-2:元素位置互换之逆置算法(数据改进)

#include <stdio.h>
#include <stdlib.h>
struct node
{
    int *h, len, size;
}list;
void creat()
{
    list.h = (int *)malloc(1000005 * sizeof(int));
}
void get(int n)
{
    for(int i = 1; i <= n; i++)
    {
        scanf("%d", &list.h[i]);
    }
}
void exchange(int l, int r)
{
    int len = (l + r) / 2;
    for(int i = l; i <= len; i++)
    {
        int t = list.h[i];
        int loc = r - (i - l);
        list.h[i] = list.h[loc];
        list.h[loc] = t;
    }
}
void change(int n, int m)
{
    exchange(1, n);
    exchange(1, n - m);
    exchange(n - m + 1, n);
}
void print(int n)
{
    for(int i = 1; i <= n; i++)
    {
        if(i != 1)printf(" ");
        printf("%d", list.h[i]);
    }
    printf("\n");
}
int main()
{
    int n, m, x, i;
    scanf("%d", &n);
    creat();
    get(n);
    scanf("%d", &m);
    for(i = 1; i <= m; i++)
    {
        scanf("%d", &x);
        change(n, x);
        print(n);
    }
    return 0;
}

猜你喜欢

转载自blog.csdn.net/Miracle_QSH/article/details/82391758