Submission #821858

#	Time	Username	Problem	Language	Result	Execution time	Memory
821858		NK_	Cloud Computing (CEOI18_clo)	C++17	100 / 100	448 ms	1236 KiB

clo

// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>
 
using namespace std;
 
#define nl '\n'
#define pb push_back
 
using ll = long long;
 
template<class T> using V = vector<T>;
using vi = V<int>;
using vl = V<ll>;
 
const ll INF = ll(1e15) + 10;
int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	int N; cin >> N;
	V<array<int, 4>> A;
 
	for(int i = 0; i < N; i++) {
		int c, f, v; cin >> c >> f >> v;
		A.pb({f, 1, c, v});
	}
 
	int M; cin >> M;
	for(int i = 0; i < M; i++) {
		int c, f, v; cin >> c >> f >> v;
		A.pb({f, -1, c, v});
	}
 
	sort(begin(A), end(A));
 
	const int nax = N * 50 + 5;
 
	vl dp(nax, -INF); dp[0] = 0;
	for(int i = 0; i < N + M; i++) {
		if (A[i][1] == -1) {
			int c = A[i][2], v = A[i][3];

			for(int x = nax - 1; x >= 0; x--) if (dp[x] != -INF) {
				int y = x + c;
				if (y < nax) dp[y] = max(dp[x] + v, dp[y]);
			}
		} else {
			int c = A[i][2], v = A[i][3];

			for(int x = 0; x < nax; x++) if (dp[x] != -INF) {
				int y = max(x - int(c), 0);
				dp[y] = max(dp[x] - v, dp[y]);
			}
		}
	}
 
	cout << dp[0] << nl;
 
    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