Submission #1315941

#	Time	Username	Problem	Language	Result	Execution time	Memory
1315941		samarthkulkarni	Feast (NOI19_feast)	C++20	4 / 100	24 ms	2680 KiB

feast

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

using ll = long long;
#define vi vector<long long>
#define all(x) x.begin(), x.end()
#define endl "\n"

void solution();
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    solution();
    return 0;
}

const int N = 3e5+10;
ll a[N];


void solution() {
	ll n, k; cin >> n >> k;

	for (int i = 1; i <= n; i++) cin >> a[i];

	ll sum = accumulate(a+1, a+1+n, 0ll);

	int id = 0;	
	ll s1 = 0;
	for (int i = 1; i <= n; i++) {
		s1 += a[i];
		if (a[i] < 0) {id = i; break;}
	}

	if (k > 1) {
		cout << sum << endl;
	} else {
		cout << max({sum, s1, sum-a[id]-s1}) << endl;
	}
}

• 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