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  1. #include <iostream>
  2. #include <map>
  3. #include <vector>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8.     map <int , int > mp_s , mp_b;
  9.     int n , len ;
  10.     cin >> n >> len ;
  11.     vector<pair <int , int > > s , b;
  12.     for (int i = 1 ; i <= n ; i++) {
  13.         char type;
  14.         int price , v;
  15.         cin >> type >> price >> v ;
  16.         if (type == 'S') {
  17.             mp_s[price]+=v;
  18.         }
  19.         else {
  20.             mp_b[price]+=v;
  21.         }
  22.     }
  23.     for (auto i : mp_s) {
  24.         s.push_back(i);
  25.     }
  26.     for (auto i : mp_b) {
  27.         b.push_back(i);
  28.     }
  29.     int st = min((int)s.size()-1 , (int)len-1);
  30.     for (int i =  st; i >= 0 ; i--) {
  31.         cout << "S " << s[i].first << " " << s[i].second << endl;
  32.     }
  33.     for (int i = b.size()-1 ; i >= max((int) b.size() - len , 0) ; i--) {
  34.         cout << "B " << b[i].first << " " << b[i].second << endl;
  35.     }
  36.  
  37.  
  38. }
  39.  
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/z4LL00
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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