博客

#include <stdio.h>
#include <stdlib.h>

typedef struct ListNode
{
    int ratio;
    int expton;
    struct ListNode *next;
}List;

List *CreatList ()
{
    List *e1, *e2, *L;
    L = NULL;
    int expton;
    printf("Enter expton:");
    scanf("%d", &expton);
    while(expton != -1)        //-1表示输入的结束
    {
        e1 = (List *)malloc(sizeof(struct ListNode));
        e1->expton = expton;
        e1->next = NULL;
        printf("Enter ratio:");
        scanf("%d", &(e1->ratio));
        if(!L)
        {
            L = e1;
        }
        else
        {
            e2->next = e1;
        }
        e2 = e1;
        printf("Enter expton:");
        scanf("%d", &expton);
    }
    return L;
}

void PrintList (List *L)
{
    List *e;
    e = L;
    for(e; e != NULL; e = e->next)
    {
        printf("%d %d\n", e->ratio, e->expton);
    }
}

List *AddList (List *L1, List *L2)
{
    List *L3, *e1, *e2;
    L3 = NULL;
    while(L1 && L2)
    {
        e1 = (List *)malloc(sizeof(struct ListNode));
        e1->next = NULL;
        if(L1->expton == L2->expton)
        {
            e1->expton = L1->expton;
            e1->ratio = L1->ratio + L2->ratio;
            L1 = L1->next;
            L2 = L2->next;
        }
        else if(L1->expton > L2->expton)
        {
            e1->expton = L1->expton;
            e1->ratio = L1->ratio;
            L1 = L1->next;
        }
        else
        {
            e1->expton = L2->expton;
            e1->ratio = L2->ratio;
            L2 = L2->next;
        }
        if(!L3)
        {
            L3 = e1;
        }
        else
        {
            e2->next = e1;
        }
        e2 = e1;
    }
    while(L1)
    {
        e1 = (List *)malloc(sizeof(struct ListNode));
        e1->next = NULL;
        e1->expton = L1->expton;
        e1->ratio = L1->ratio;
        L1 = L1->next;
        e2->next = e1;
        e2 = e1;
    }
    while(L2)
    {
        e1 = (List *)malloc(sizeof(struct ListNode));
        e1->next = NULL;
        e1->expton = L2->expton;
        e1->ratio = L2->ratio;
        L2 = L2->next;
        e2->next = e1;
        e2 = e1;
    }
    return L3;
}

int main ()
{
    List *L1, *L2, *L3;
    L1 = CreatList();
    L2 = CreatList();
    L3 = AddList(L1, L2);
    PrintList(L3);
    return 0;
}