Submission #1086275

#	Time	Username	Problem	Language	Result	Execution time	Memory
1086275		dwuy	Cloud Computing (CEOI18_clo)	C++14	100 / 100	544 ms	2384 KiB

clo

/**         - dwuy -

　　　　　 ／＞　   フ
　　　　　 | 　_　 _|
　 　　　 ／`ミ _x ノ
　　 　 /　　　 　 |
　　　 /　  ヽ　　 ?
　／￣|　　 |　|　|
　| (￣ヽ＿_ヽ_)_)
　＼二つ

**/
#include <bits/stdc++.h>

#define fastIO ios_base::sync_with_stdio(false); cin.tie(NULL)
#define file(a) freopen(a".inp","r",stdin); freopen(a".out", "w",stdout)
#define fi first
#define se second
#define endl "\n"
#define len(s) (int)((s).size())
#define MASK(k)(1LL<<(k))
#define TASK "test"
#define int long long

using namespace std;

typedef tuple<int, int, int> tpiii;
typedef pair<double, double> pdd;
typedef pair<int, int> pii;
typedef long long ll;

const long long OO = 1e18;
const int MOD = 1e9 + 7;
const int INF = 1e9;
const int MX = 4005;

struct Deptrai{
    int quant, rate, cost;
    Deptrai(): quant(0), rate(0), cost(0) {}

    void read(){
        cin >> quant >> rate >> cost;
    }

    void get(int &a, int &b, int &c){
        a = quant;
        b = rate;
        c = cost;
    }

    bool operator < (const Deptrai &other){
        return rate != other.rate? rate > other.rate : quant > other.quant;
    }
};

int n, m;
Deptrai dwuy[MX];
int f[MX*50];

void nhap(){
    cin >> n;
    for(int i=1; i<=n; i++){
        dwuy[i].read();
        dwuy[i].cost = -dwuy[i].cost;
    }
    cin >> m;
    for(int i=n+1; i<=n+m; i++){
        dwuy[i].read();
        dwuy[i].quant = -dwuy[i].quant;
    }
    n += m;
}

void solve(){
    sort(dwuy + 1, dwuy + 1 + n);
    memset(f, -0x3f, sizeof f);
    f[0] = 0;
    for(int i=1; i<=n; i++){
        int quant, rate, cost;
        dwuy[i].get(quant, rate, cost);
        if(quant < 0) for(int i=0; i-quant<MX*50; i++){
            f[i] = max(f[i], f[i - quant] + cost);
        }
        if(quant > 0) for(int i=MX*50-1; i>=quant; i--){
            f[i] = max(f[i], f[i - quant] + cost);
        }
    }
    int ans = 0;
    for(int i=0; i<MX*50; i++) ans = max(ans, f[i]);
    cout << ans;
}

int32_t main(){
    fastIO;
    //file(TASK);

    nhap();
    solve();

    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