chooselinklist.cpp

一个用于展示数据结构中插入

#include"chainbelth.h"
void Chooselinklist(linklist &l,char cmd)
{
	int n,i,e,i1,e1;
	do{
		switch(cmd)
		{
			case 'c':
				printf("Please input a element indicate the length of the chain belt which you want to create:\n");
				printf("Please input the number of the elements:\n");
				printf("number=");
				scanf("%d",&n);
				printf("please input the elements you want to create the chain belt:\n");
				Createlist(l,n);
				printf("The chain belt is:\n");
				printout(l);
				printf("\n");
				break;
			case 'C':
				printf("Please input a element indicate the length of the chain belt which you want to create:\n");
				printf("Please input the number of the elements:\n");
				printf("number=");
				scanf("%d",&n);
				printf("please input the elements you want to create the chain belt:\n");
				Createlist(l,n);
				printf("The chain belt is:\n");
				printout(l);
				printf("\n");
				break;
			case 'i':
				printf("Please input a element which you want to add to the chain belt and the position:");
				printf("element=");
				scanf("%d",&e);
				printf("position=");
				scanf("%d",&i);
				Insertlist(l,i,e);
				printf("The changed chain belt is:\n");
				printout(l);
				printf("\n");
				break;
			case 'I':
				printf("Please input a element which you want to add to the chain belt and the position:\n");
				printf("element=");
				scanf("%d",e);
				printf("position=");
				scanf("%d",i);
				Insertlist(l,i,e);
				printf("The changed chain belt is:\n");
				printout(l);
				printf("\n");
				break;
			case 'd':
				printf("Please input a position which you want to delete the element on it:\n");
				printf("position=");
				scanf("%d",&i1);
				Deletelist(l,i1,e1);
				printf("The deleted element is:");
				printf("%d\n",e1);
				printf("The changed chain belt is:\n");
				printout(l);
				printf("\n");
				break;
			case 'D':
				printf("Please input a position which you want to delete the element on it:\n");
				printf("position=");
				scanf("%d",&i1);
				Deletelist(l,i1,e1);
				printf("The deleted element is:");
				printf("%d\n",e1);
				printf("The changed chain belt is:\n");
				printout(l);
				printf("\n");
				break;
			case 'n':
				reversion(l);
				printf("Now the chain belt is:\n");
				printout(l);
				printf("\n");
				break;
			case 'N':
				reversion(l);
				printf("Now the chain belt is:\n");
				printout(l);
				printf("\n");
				break;
			case 'p':
				printf("The result is:\n");
				printout(l);
				printf("\n");
				break;
			case 'P':
				printf("The result is:\n");
				printout(l);
				printf("\n");
				break;
			case 'q':
				exit(0);
				break;
			case 'Q':
				exit(0);
				break;
			default:
				exit(0);
			}
		printf("Please choose again:\n");
		fflush(stdin);
		cmd=getchar();
	}while(cmd!='q'&&cmd!='Q');		
}