HackerEarth Rain sound problem solution

In this HackerEarth Rain sound problem solution, you like the sound of rain only if the sound ranges from l to r units. Every cloud makes a unit of sound. Determine the minimum and the maximum number of clouds that can produce the sound in the provided range.

HackerEarth Rain sound problem solution.

#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back

const int maxn = 1e5 + 20;

int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);

  int t;
  cin >> t;

  while(t--)
  {
    int l , r , s;
    cin >> l >> r >> s;
    l = (l - 1) / s + 1;
    r = r / s;
    if(l > r)
      cout << "-1 -1" << endl;
    else
      cout << l << " " << r << endl;
  }
}