cpp/C5/P5/c5-3-1.c

#include <stdio.h>
int main()
{
 int i,sum=0;
 printf("please enter i,i=?");
 scanf("%d",&i);
 while(i<=10) 
 {
  sum=sum+i;
  i++;
 };
 printf("sum=%d\n",sum);
 return 0;
}