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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4.  
  5. bool cmd(pair<ll, ll> a, pair<ll, ll> b) {
  6.     if (a.first != b.first)
  7.         return a.first < b.first;
  8.     return a.second > b.second;  
  9. }
  10. int main() {
  11.     ios::sync_with_stdio(0);
  12.     cin.tie(NULL), cout.tie(NULL);
  13.     //freopen("mex.in", "r", stdin);
  14.  
  15.     ll t = 1;cin >> t;
  16.     while (t--) {
  17.         ll l, r,div=3,count=1,ans=0;
  18.         cin >> l >> r;
  19.         while (l >= div) {
  20.             div *= 3;
  21.             count++;
  22.         }
  23.         ans += count;
  24.         for (ll i = l; i <= r; i++) {
  25.             if (i >= div) {
  26.                 div *= 3;
  27.                 count++;
  28.             }
  29.             ans += count;
  30.             //cout << count << "\n";
  31.         }
  32.         cout << ans << '\n';
  33.     }
  34.     return 0;
  35. }
  36. /*a
  37. 3 3
  38. 5 3 2
  39. 1 2
  40. 2 3
  41. 1 3
  42. 8
  43. 8
  44. 10
  45.  
  46. */
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin 
4
1 3
2 4
199999 200000
19 84
stdout 
5
6
36
263
https://ideone.com/4elI3p
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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