Submission #917302

#	Time	Username	Problem	Language	Result	Execution time	Memory
917302		406	Feast (NOI19_feast)	C++17	22 / 100	39 ms	5564 KiB

feast

#include <bits/stdc++.h>
#define int long long
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)

using namespace std;
using ar = array<int, 2>;

const int64_t INF = 1ll << 60;
const int N = 3e5 + 5;
int n, k, mx[N];

signed main() {
        ios::sync_with_stdio(false);
        cin.tie(nullptr); 
        cin >> n >> k;
        int s = 0, id = 0;
        FOR(i, 0, n) {
                int a; cin >> a;
                s += a;
                if (s < 0) {
                        id = i + 1;
                        s = 0;
                }
                mx[id] = max(mx[id], s);
        }
        sort(mx, mx + N, greater<>());
        int ans = 0;
        FOR(i, 0, k) ans += max(mx[i], 0ll);
        cout << ans << '\n';
        return 0;
}

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