题目链接http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=1287

规律题，通过计算可知道总烟数n=a1+a1/a2和n=a1+a1/a2-1

#include"stdio.h"

int main()

{

int apple,pea,orange;

while(scanf("%d%d",&apple,&pea)!=EOF)

{

if(apple%(pea-1)==0)

{

orange=apple+apple/pea-1;

}

if(apple%(pea-1)!=0)

{

orange=apple+apple/pea;

}

printf("%d\n",orange);

}

renturn 0;

}