제출 #1207622

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1207622		Amadoo	Feast (NOI19_feast)	C++20	30 / 100	23 ms	5028 KiB

feast

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

#ifdef LOCAL
#include "local_debug.cpp"
#else
#define debug(...)
#define debugArr(...)
#endif

#define int         long long
#define nl          '\n'
#define sp          ' '
#define F           first
#define S           second
#define SZ(s)       (int)((s).size())

const int N = 3e5 + 5;

int a[N], dp[N];

void solve() {
    int n, k; cin >> n >> k;
    int sum = 0;
    for(int i = 0; i < n; ++i) cin >> a[i], sum += max(0LL, a[i]);
    for(int i = 1; i <= n; ++i) dp[i] = max(dp[i - 1] + a[i - 1], a[i - 1]);
    int ans = 0;
    for(int i = 1; i <= n; ++i) ans = max(ans, dp[i]);
    if(k == 1) cout << ans << nl;
    else cout << sum << nl;
}

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    int tc = 1;
    // cin >> tc;
    while(tc--) solve();
}

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