POJ-3619 Speed Reading

#include <iostream>
using namespace std;
typedef long long ll;
#define IOS ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
// #define ios ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
const int N = 1e6 + 10;
void solve()
{
	ll n, k, s, t, r;
	cin >> n >> k;
	while (k--)
	{
		cin >> s >> t >> r;
		ll ss = n; //ss==未读页数
		ll tt = 0; //tt==用时
		while (ss > s * t) //当未读页数>连续t秒读的总页数时循环
		{
			tt += t + r;
			ss -= s * t;
		}
		//处理不够连续t秒读的页数
		tt += ss / s;
		if (ss % s) tt++;
		cout << tt << endl;
	}

}
int main()
{
	IOS
	solve();
	return 0;
}