#include"stdio.h"
doubleTravel_distance(int_times){
doubledistance = 0.0;
inttimes = 0;
while(times < _times) {
times++;
distance += 1.0 / times;
}
returndistance;
}

intTravel_time(double_distance){
doubledistance = 0.0;
int times = 0;
while(distance < _distance){
times++;
distance += 1.0 / times;
}
returntimes;
}

voidmain( ){
printf("该乌龟一小时能爬 %d 米\n", Travel_distance(3600));
printf("该乌龟爬出20米远所需要时间为 %d 秒\n", Travel_time(20));
}