Submission #1316148

#	Time	Username	Problem	Language	Result	Execution time	Memory
1316148		1ota	Feast (NOI19_feast)	C++20	0 / 100	24 ms	2700 KiB

feast

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

#define endl "\n"
#define int long long
#define pii pair<int, int>
#define ff first
#define ss second
#define entire(x) (x).begin(), (x).end()

int32_t main(){
    ios::sync_with_stdio(false); cin.tie(nullptr);

    int n, k; cin >> n >> k;
    vector<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];

    int idx = -1;
    for (int i = 0; i < n; i++) if (a[i] < 0) idx = i;

    int sum = accumulate(entire(a), 0ll), bef = accumulate(a.begin(), a.begin() + idx, 0ll);

    if (k == 1){
        int ans = max(sum - a[idx], max(bef, sum - bef));
        cout << ans << endl;
    } else cout << sum - a[idx] << endl;

    return 0;
}

• Subtask 1: 0 / 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