Submission #883805

#	Time	Username	Problem	Language	Result	Execution time	Memory
883805		phoenix0423	Cloud Computing (CEOI18_clo)	C++17	100 / 100	313 ms	1380 KiB

clo

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
#define f first
#define s second
#define pb push_back
#define eb emplace_back
#define ckmin(a, b) a = min(a, b)
#define ckmax(a, b) a = max(a, b)
#define int long long
const int maxn = 1e5 + 5;
const ll INF = 1e18;
struct info{
    int c, f, v, t;
    info(){}
    info(int _c, int _f, int _v, int _t) : c(_c), f(_f), v(_v), t(_t){}
    bool operator < (const info& other) const{
        return f < other.f || (f == other.f && t < other.t);
    }
    bool operator > (const info& other) const{
        return f > other.f || (f == other.f && t > other.t);
    }
};

signed main(void){
	fastio;
	int n;
	cin>>n;
	vector<info> a;
	for(int i = 0; i < n; i++){
		int c, f, v;
		cin>>c>>f>>v;
		a.pb(info(c, f, v, 1));
	}
	int m;
	cin>>m;
	for(int i = 0; i < m; i++){
		int c, f, v;
		cin>>c>>f>>v;
		a.pb(info(c, f, v, -1));
	}
	sort(a.begin(), a.end(), greater<info>());
	vector<int> dp(maxn + 1, -INF);
	dp[0] = 0;
	for(auto [c, f, v, t] : a){
		if(t == 1){
			for(int i = maxn - 1; i >= c; i--) dp[i] = max(dp[i], dp[i - c] - v);
		}
		else{
			for(int i = 0; i < maxn - c; i++) dp[i] = max(dp[i], dp[i + c] + v);
		}
	}
	int ans = 0;
	for(int i = 0; i < maxn; i++) ans = max(ans, dp[i]);
	cout<<ans<<"\n";

}

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