连续整数相加

include[HTML_REMOVED]

int main()
{
int A,N,sum=0,i;
scanf(“%d %d”,&A,&N);
while(N<=0)
{
scanf(“%d”,&N);
}
for(i=A;i<=A+N-1;i++)
{
sum+=i;
}
printf(“%d”,sum);
return 0;
}