func_code_string: #include <bits/stdc++.h>   using namespace std;   long long volume[100001][2];   vector<long long> sell, buy;   int main() {     long long n, s;     cin >> n >> s;     for (long long i = 0; i < n; i++) {       char a;       long long b, c, d;       cin >> a >> b >> c;       if (a ==  B )         d = 1;       else         d = 0;       if (volume[b][d] == 0) {         if (d == 0)           sell.push_back(b);         else           buy.push_back(b);       }       volume[b][d] += c;     }     sort(buy.begin(), buy.end());     sort(sell.begin(), sell.end());     for (long long i = 0; i < s; i++) {       if (s - i - 1 < sell.size() && s - i - 1 >= 0)         cout <<  S   << sell[s - i - 1] <<     << volume[sell[s - i - 1]][0]              << endl;     }     for (long long i = 0; i < s; i++) {       if (buy.size() - i - 1 >= 0)         cout <<  B   << buy[buy.size() - i - 1] <<                  << volume[buy[buy.size() - i - 1]][1] << endl;     }   }   