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 clocking 30Sep2007 14:10

Hashtable

Hi! guys
Can you tell me about hashtable in C++. And Show me interupter in C. Thanks so much. :)

 clocking 30Sep2007 14:25

Re: Hashtable

So, I have a code :
Code:

```int B(int m,int i){   if (m/2 ==0)&&(m>2) {     if (i < m-1) B = i;     else B = m-2;   else B = m-1; } void swap (int *i, int *j){   int k;   k = *i;   *i = * j;   *j = k; } void changepos(int m){   if (m == 1)   for (int k = 1;k <= n ;k++){     printf("%4d",P[k]);   }   else   for (int i = 1;i <= m; i++){     changepos(m-1);     if (i< m) swap(P[B(m,i)], P[m]);     } } main(){  int n, i, P[];  printf(" input n: "); scanf("%d", &n);  printf(" input P array: );  for (i= 1;i<= n;i++)  { printf("a[%d]= "<i);   printf("%d",&P[i]);  }   for (i = 1;i <= n; i++)   changepos(n); }```
I perform creating permutbility of P array.
Show me the wrong code.
thanks.

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