輸入一個年齡，刪除連結串列中所有相同年齡的節點，譚浩強書中錯誤程式碼糾正
阿新 • • 發佈：2018-12-21
#include<stdio.h> #define N 5 struct student{ int num; char name[10]; int age; double score; struct student *next; }; int main(){ struct student *p1,*p2,*head; struct student cla1[N] = {{201,"Tom",18,89.4},{202,"Bob",19,90.4},{203,"Dog",19,98.4},{204,"Cat",20,78.3},{205,"Jarry",18,76.2}}; int i,del_age; head = cla1; printf("原列表為:\n"); for(i = 1,p1 = head;i <= N;i++){ if(i == N) p1->next = NULL; else p1->next = cla1+i; printf("%-4d%-7s%-3d%-5.2f\n",p1->num,p1->name,p1->age,p1->score); p1 = p1->next; } printf("輸入需要刪除的年齡：\n"); scanf("%d",&del_age); p1 = head; while(p1 != NULL){ if(p1->age == del_age){ if(head == p1) head = head->next; else p2->next = p1->next; p1 = p1->next; } else{ p2 = p1; p1 = p1->next; } } printf("刪除結果為：\n"); p1 = head; while(p1 != NULL){ printf("%-4d%-7s%-3d%-5.2f\n",p1->num,p1->name,p1->age,p1->score); p1 = p1->next; } return 0; }