#include<stdio.h>
#include<stdlib.h>
#define N 20
int fun(int a[],int n,int x)
{
    int i,p=0;
    a[n]=x;
    while(x!=a[p])
    p++;
    if(n==p)
    return -1;
    else
     {for(i=p;i<n;i++)
      a[i]=a[i+1];
      return n-1;}
}
main()
{
      int w[N]={-3,0,1,5,7,99,10,15,30,90},x,n,i;
      n=10;
      printf("the original data:\n");
      for(i=0;i<n;i++)printf("%5d",w[i]);
      printf("\n input x(to delete):");
      scanf("%d",&x);
      n=fun(w,n,x);
      if(n==-1)
      printf("*****no be found!***\n\n");
      else
      {
          printf("the data after deleted:\n");
          for(i=0;i<n;i++)
          printf("%5d",w[i]);
          }
          system("pause");
          return 0;
          }