Submission #1092409

#	Time	Username	Problem	Language	Result	Execution time	Memory
1092409		orcslop	Cloud Computing (CEOI18_clo)	C++17	100 / 100	434 ms	2392 KiB

clo

#include <bits/stdc++.h>
using namespace std;
using ll = long long; 
#define pb push_back
#define all(x) begin(x), end(x)
#define sz(x) (int) (x).size()
#define f first
#define s second
#define mkp make_pair
#define pii pair<int, int>
bool ckmin(ll& a, ll b){ return b < a ? a = b, true : false; }
bool ckmax(ll& a, ll b){ return b > a ? a = b, true : false; }

struct C{
    int c, r; 
    ll p; 
}; 

const int N = 4000; 

int n, m, sc; 
C v[N]; 
ll dp[2][N * 50]; 

int32_t main() {
    cin.tie(0)->sync_with_stdio(0);
    cin >> n; 
    for(int i = 0; i < n; i++){
        cin >> v[i].c >> v[i].r >> v[i].p; 
        v[i].p = -v[i].p; 
        sc += v[i].c; 
    }
    cin >> m; 
    for(int i = n; i < n + m; i++){
        cin >> v[i].c >> v[i].r >> v[i].p; 
        v[i].c = -v[i].c; 
    }
    sort(v, v + n + m, [](C &c1, C &c2){
        if(c1.r != c2.r) return c1.r > c2.r; 
        return c1.c > c2.c; 
    }); 
    fill(dp[0] + 1, dp[0] + sc + 1, -1e18); 
    fill(dp[1] + 1, dp[1] + sc + 1, -1e18); 
    for(int i = 0; i < n + m; i++){
        for(int j = 0; j <= sc; j++){ 
            if(0 <= j + v[i].c && j + v[i].c <= sc){
                ckmax(dp[1][j + v[i].c], dp[0][j] + v[i].p); 
            }
        }
        for(int j = 0; j <= sc; j++){
            dp[0][j] = dp[1][j]; 
        }
    }
    cout << *max_element(dp[0], dp[0] + sc + 1) << '\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