Submission #1316154

#	Time	Username	Problem	Language	Result	Execution time	Memory
1316154		1ota	Feast (NOI19_feast)	C++20	22 / 100	29 ms	7380 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];

    vector<int> pref(n + 1, 0), suff(n + 1, 0);
    for (int i = 0; i < n; i++){
        pref[i+1] = max(pref[i] + a[i], 0ll);
    } for (int i = n-1; i > -1; i--){
        suff[i] = max(suff[i+1] + a[i], 0ll);
    }

    int ans = 0ll;
    for (int i = 0; i < n; i++) ans = max(ans, pref[i] + a[i] + suff[i+1]);

    cout << ans << endl;
    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