计算循环的次数

#include<random>
#include<time.h>
#include<assert.h>
#include<iostream>
using namespace std;
int main()
{
	srand(time(0));
	while(1)
	{
		int start = rand()%10;// the start of the loop (included)
		int end = rand()%10 + 100;//the end of the loop (not included)
		int step = rand()%5 + 1;//step length
		int loop_count = 0;
		if((end - start)%step ==0)
		{
			loop_count = (end - start)/step;
		}
		else
		{
			loop_count = (end - start)/step + 1;
		}
		int count = 0;
		for(int i =start; i< end;i+=step)
		{
			count++;
		}
		cout<<"start "<<start<<endl;
		cout<<"end "<<end<<endl;
		cout<<"step "<<step<<endl;
		cout<<"loop_count "<<loop_count<<endl;
		cout<<"count "<<count<<endl;
		assert(count == loop_count);
	}
	return 0;
}