判断一个数是否能分解为某个连续正整数序列之和

#include   <stdio.h>
void fun( int  n )
{  int  j, b, c, m, flag=0;
   for (b=1; b<=n/2; b++) { 
      m = n;
      c = b;
      while (m !=0 && m>=c) {
        m = m - c;    c++;
      }
      if ( m==0)
      {  printf("%d="</