学帮网求C语言大神帮忙看看哪错了DescriptionACMer the Programmer loves romance,so this year he decided to illuminate his room with candles.ACMer has a candles.When Vasily lights up a new candle,it first burns for an hour and then it goes out.ACMe
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/30 03:30:51
求C语言大神帮忙看看哪错了
DescriptionACMer the Programmer loves romance,so this year he decided to illuminate his room with candles.ACMer has a candles.When Vasily lights up a new candle,it first burns for an hour and then it goes out.ACMer is smart,so he can make b went out candles into a new candle.As a result,this new candle can be used like any other new candle.Now ACMer wonders:for how many hours can his candles light up the room if he acts optimally well?Help him find this number.
Input
There are more test cases.The single line contains two integers,a and b (1≤a≤1000; 2≤b≤1000).
Output
Print a single integer — the number of hours Vasily can light up the room for.
Sample Input4 2Sample Output7HINT
OJ系统说我答案错误50%
int a,b,c,d;
int sum;
scanf("%d %d",&a,&b);
if(a1000 || b1000)
\x09return -1;
sum=a;
while(a > 0)
{
c = a/b;
if(c < 1)
\x09break;
d = a%b;
sum = sum +c;
a = c+d;
}
printf("%d\n",sum);