Submission #1316512

#	Time	Username	Problem	Language	Result	Execution time	Memory
1316512		Lakshya108	Feast (NOI19_feast)	C++20	4 / 100	39 ms	5428 KiB

feast

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    int N, K;
    cin >> N >> K;
    vector<long long> A(N);
    for (int i = 0; i < N; i++) cin >> A[i];

    vector<long long> v;
    for (int i = 0; i < N; ) {
        long long s = 0;
        int j = i;
        if (A[i] >= 0) {
            while (j < N && A[j] >= 0) s += A[j++];
        } else {
            while (j < N && A[j] < 0) s += A[j++];
        }
        v.push_back(s);
        i = j;
    }

    priority_queue<long long> pq;
    long long ans = 0;
    int cnt = 0;

    for (long long x : v) {
        if (x > 0) {
            ans += x;
            pq.push(x);
            cnt++;
        } else if (!pq.empty()) {
            long long t = pq.top();
            pq.pop();
            pq.push(t + x);
        }
    }

    while (cnt > K) {
        ans -= pq.top();
        pq.pop();
        cnt--;
    }

    cout << ans << "\n";
    return 0;
}

• Subtask 1: 4 / 4
• Subtask 2: 0 / 8
• Subtask 3: 0 / 18
• Subtask 4: 0 / 10
• Subtask 5: 0 / 11
• Subtask 6: 0 / 20
• Subtask 7: 0 / 29