Submission #752845

#	Time	Username	Problem	Language	Result	Execution time	Memory
752845		nguyennehehe	Cloud Computing (CEOI18_clo)	C++14	100 / 100	703 ms	2116 KiB

clo

#include<bits/stdc++.h>
using namespace std;

signed main() {
  cin.tie(nullptr)->sync_with_stdio(false);

  int n; cin >> n;
  vector<array<int, 4>> a;
  int sumc = 0;
  for (int i = 0; i < n; ++i) {
    int c, f, v; cin >> c >> f >> v;
    a.push_back({c, f, -v, 0});

    sumc += c;
  }
  int m; cin >> m;
  for (int i = 0; i < m; ++i) {
    int c, f, v; cin >> c >> f >> v;
    a.push_back({-c, f, v, 1});
  }

  sort(a.begin(), a.end(), [](array<int, 4> x, array<int, 4> y) {
    if (x[1] != y[1]) return x[1] > y[1];
    return x[2] < y[2];
  });

  const long long INF = 2e18;
  vector<long long> dp(sumc + 1, -INF);
  dp[0] = 0;
  for (auto [c, f, v, ignored]: a) {
    vector<long long> cur = dp;
    for (int w = 0; w <= sumc; ++w) {
      int req = w - c;
      if (req < 0 || req > sumc) continue;
      if (dp[req] == -INF) continue;
      cur[w] = max(cur[w], dp[req] + v);
    }

    swap(dp, cur);
  }

  cout << *max_element(dp.begin(), dp.end());
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:30:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   30 |   for (auto [c, f, v, ignored]: a) {
      |             ^

• Subtask 1: 18 / 18
• Subtask 2: 18 / 18
• Subtask 3: 18 / 18
• Subtask 4: 18 / 18
• Subtask 5: 18 / 18
• Subtask 6: 10 / 10