Submission #971627

#	Time	Username	Problem	Language	Result	Execution time	Memory
971627		Arteezy	Divide and conquer (IZhO14_divide)	C++17	48 / 100	1022 ms	2648 KiB

divide

#include <bits/stdc++.h>

using namespace std;
#define int long long
typedef long long ll;
typedef vector<int> vi;
typedef vector<vector<int>> vii;
typedef vector<vector<long long >> vll;
typedef vector<long long> vl;

//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//
//using namespace __gnu_pbds;

//template<class T> using ordered_set =
//        tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//template<class T> using ordered_multiset =
//        tree<T, null_type, greater_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
struct Rudnik {
    int coordinate, gold, energy;
};

signed main() {
//        cout.setf(ios::fixed);
//        cout.precision(0);
    ios_base::sync_with_stdio(false);
    cout.tie(NULL);
    cin.tie(NULL);

    int n;
    cin >> n;
    vector<Rudnik> arr(n);
    for (int i = 0; i < n; ++i) {
        cin >> arr[i].coordinate >> arr[i].gold >> arr[i].energy;
    }

    int ans = 0;
    for (int i = 0; i < n; ++i) {
        int tmp = arr[i].gold;
        int energy = arr[i].energy;
        int size = 0;
        for (int j = i+1; j < n; ++j) {
            if (size <= energy){
                ans = max(ans, tmp);
            }
            tmp += arr[j].gold;
            energy += arr[j].energy;
            size += arr[j].coordinate - arr[j-1].coordinate;
        }
        if (size <= energy){
            ans = max(ans, tmp);
        }
    }
    cout << ans;


}

• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 0 / 52