#include<bits/stdc++.h> using namespace std; #define pi pair<int,int> #define ll long long #define pb push_back #define pf push_front void fileIO(string filename) { freopen((filename + ".in").c_str(), "r", stdin); freopen((filename + ".out").c_str(), "w", stdout); } struct Transaction { int cores; int rate; int price; bool operator<(const Transaction &other) { return rate > other.rate; } }; int main() { cin.tie(0)->sync_with_stdio(false); //fileIO(""); int total_cores = 0; vector<Transaction> Transactions; int n; cin >> n; for(int i = 0; i < n; i++) { Transaction x; cin >> x.cores >> x.rate >> x.price; x.price = -x.price; Transactions.pb(x); total_cores += x.cores; } int m; cin >> m; for(int i = 0; i < m; i++) { Transaction x; cin >> x.cores >> x.rate >> x.price; x.cores = -x.cores; Transactions.pb(x); total_cores += x.cores; } sort(Transactions.begin(), Transactions.end()); vector<ll> prev(total_cores + 1, LLONG_MIN / 2); prev[0] = 0; for(Transaction x : Transactions) { vector<ll> dp(prev); for(int i = 0; i <= total_cores; i++) { int j = i - x.cores; if(0 <= j && j <= total_cores) { dp[i] = max(dp[i], prev[j] + x.price); } } prev = dp; } cout << *max_element(prev.begin(), prev.end()) << '\n'; }

clo.cpp: In function 'void fileIO(std::string)':
clo.cpp:10:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         freopen((filename + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:11:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         freopen((filename + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~