Submission #530336

#	Time	Username	Problem	Language	Result	Execution time	Memory
530336		abc864197532	Cloud Computing (CEOI18_clo)	C++17	100 / 100	414 ms	1312 KiB

clo

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define X first
#define Y second
#define pii pair<int,int>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
void abc() {cout << endl;}
template <typename T, typename ...U> void abc(T i, U ...j) {
	cout << i << ' ', abc(j...);
}
template <typename T> void printv(T l, T r) {
	for (; l != r; ++l)
		cout << *l << " \n"[l + 1 == r];
}
#ifdef Doludu
#define test(x...) abc("[" + string(#x) + "]", x);
#define owo freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#else
#define test(x...) void(0);
#define owo ios::sync_with_stdio(false), cin.tie(0)
#endif
const int N = 200000;

struct item {
	int c, f, v, ty;
	bool operator < (const item &o) {
		if (f == o.f)
			return ty < o.ty;
		return f > o.f;
	}
};

int main () {
	owo;
	int n, m;
	vector <item> a;
	cin >> n;
	for (int i = 0, c, f, v; i < n; ++i)
		cin >> c >> f >> v, a.pb({c, f, v, 0});
	cin >> m;
	for (int i = 0, c, f, v; i < m; ++i)
		cin >> c >> f >> v, a.pb({c, f, v, 1});
	sort(all(a));
	int S = n * 50 + 1;
	vector <lli> dp(S, -1ll << 60);
	dp[0] = 0;
	for (int i = 0; i < n + m; ++i) {
		if (a[i].ty) {
			for (int j = 0; j < S - a[i].c; ++j) {
				dp[j] = max(dp[j], dp[j + a[i].c] + a[i].v);
			}
		} else {
			for (int j = S - a[i].c - 1; ~j; --j) {
				dp[j + a[i].c] = max(dp[j + a[i].c], dp[j] - a[i].v);
			}
		}
	}
	cout << *max_element(all(dp)) << endl;
}

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