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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4.  
  5. void solve()
  6. {
  7.     int n, m; cin >> n >> m;
  8.     vector<pair<int, int>> v(n);
  9.     for (auto&i:v)
  10.         cin >> i.first >> i.second;
  11.     sort(v.begin(), v.end(), [&](pair<int, int> i, pair<int, int> j)->bool
  12.     {
  13.         if (i.second > j.second)
  14.             return true;
  15.         else if (i.second < j.second)
  16.             return false;
  17.         else
  18.             return i.first > j.first;
  19.     });
  20.     ll time = 0, ans = 0;
  21.     for (auto&i:v)
  22.         if (time+i.first <= m)
  23.             ans+=i.second, time++;
  24.     cout << ans;
  25. }
  26.  
  27. int main()
  28. {
  29. #ifndef ONLINE_JUDGE
  30.     freopen("input.txt", "r", stdin);
  31.     freopen("output.txt", "w", stdout);
  32.     freopen("Errors.txt", "w", stderr);
  33. #endif
  34.     ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
  35.     int t = 1;
  36.     // cin >> t;
  37.     while (t--)
  38.     {
  39.         solve();
  40.         if (t) cout << '\n';
  41.     }
  42.     cout << '\n';
  43.     return 0;
  44. }
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin 
Standard input is empty
stdout 
0
https://ideone.com/2MY0Iu
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

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