日志

173-2

已有 411 次阅读2009-11-20 16:57 |个人分类:C语言

#include <stdio.h>
main()
{
int a[10],x,c,i,j;
int search(int list[],int n,int x);
printf("Enter a[10]:");
for(i=0;i<10;i++)
  scanf("%d",&a[i]);
printf("Enter X:");
scanf("%d",&x);
for(j=0;j<10;j++){
  c=search(a,j,x);
  if(c==-1)
   printf("Not found \n");
  else
   printf("%d \n",c);
}
}
int search(int list[],int n,int x)
{
int m;

  if(x==list[n])
   m=n;
  else
   m=-1;

return m;
}

-----------------------------------------------------------------------------------------------

#include "stdio.h"
int search(int *p,int n,int x)
{
	int *q,f=0;
	for(q=p;q<p+n;q++)
		if(*q==x){f=1;break;}
	if(f) return (q-p);
	else  return -1;
}

int  main()
{
	int a[10],n,m,i,s;
	int search(int *p,int n,int x);
	printf("input n:");
	scanf("%d",&n);
	printf("input digit to a[]:");
	for(i=0;i<n;i++)
		scanf("%d",a+i);
	printf("input m:");
	scanf("%d",&m);
    s=search(a,n,m);
    if(s==-1) printf("not found\n");
	else printf("%d\n",s);
	return 0;
}