Submission #841820

#	Time	Username	Problem	Language	Result	Execution time	Memory
841820		WLZ	Cloud Computing (CEOI18_clo)	C++17	100 / 100	516 ms	2908 KiB

clo

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

using ll = long long;

const ll LINF = (ll) 1e18;
const int maxc = 10003;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n; cin >> n;
  vector< tuple<int, int, int> > a;
  int sum_c = 0;
  for (int i = 0; i < n; i++) {
    int c, f, v;
    cin >> c >> f >> v;
    sum_c += c;
    a.emplace_back(f, v, c);
  }
  int m; cin >> m;
  for (int i = 0; i < m; i++) {
    int c, f, v;
    cin >> c >> f >> v;
    a.emplace_back(f, -v, c);
  }
  sort(a.rbegin(), a.rend());
  vector< vector<ll> > dp(2, vector<ll>(sum_c + 1, -LINF));
  dp[0][0] = 0;
  for (int i = 0; i < n + m; i++) {
    int cur = i % 2;
    int f, v, c;
    tie(f, v, c) = a[i];
    for (int j = 0; j <= sum_c; j++) dp[!cur][j] = dp[cur][j];
    if (v > 0) for (int j = 0; j + c <= sum_c; j++) dp[!cur][j + c] = max(dp[!cur][j + c], dp[cur][j] - v);
    else for (int j = c; j <= sum_c; j++) dp[!cur][j - c] = max(dp[!cur][j - c], dp[cur][j] - v);
  }
  cout << *max_element(dp[(n + m) % 2].begin(), dp[(n + m) % 2].end()) << '\n';
  return 0;
}

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