Submission #791476

#	Time	Username	Problem	Language	Result	Execution time	Memory
791476		adaawf	Feast (NOI19_feast)	C++14	12 / 100	97 ms	4996 KiB

feast

#include <iostream>
using namespace std;
long long int a[500005], c[500005], f[305][305];
int main() {
    int n, k, flag = 0, h = 0;
    cin >> n >> k;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        if (a[i] < 0) {
            flag++;
            h = i;
        }
        c[i] = c[i - 1] + a[i];
    }
    if (flag == 0) {
        cout << c[n];
        return 0;
    }
    if (flag == 1) {
        if (k >= 2) {
            cout << c[n] - a[h];
        }
        else {
            cout << max(c[h - 1], max(c[n] - c[h], c[n]));
        }
        return 0;
    }
}

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