Submission #73588346

Source Code Expand

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

#define R register
#define Il inline
#define int long long

//#define DEBUG
#ifdef DEBUG
void debug() { cerr << '\n'; }
template <typename T1, typename ...T2> void debug(T1 var1, T2 ...var2) { cerr << var1 << ' '; debug(var2...); }
#else
void debug() {}
template <typename T1, typename ...T2> void debug(T1 var1, T2 ...var2) {}
#endif

int n, k;
int dp[200005], a[200005];

int q[200005], head = 1, tail = 0;

signed main()
{
    cin.tie(0)->sync_with_stdio(0), cout.tie(0);
    cin >> n >> k;

    for (int i = 1; i <= n; ++i)
    {
        int x;
        cin >> x;
        dp[i] = -1e18;
        if (i == 1)
        {
            dp[i] = x;
            q[++tail] = i;
            continue ;
        }

        while (head <= tail && i - q[head] > k) ++head;
        dp[i] = max(dp[i], dp[q[head]] + x);
        while (head <= tail && dp[q[tail]] <= dp[i]) --tail;
        q[++tail] = i;
    }
    cout << dp[n];
    return 0;
}
/**/

Submission Info

Submission Time
Task E - Stone Crossing Game
User cynqwq
Language C++23 (GCC 15.2.0)
Score 466
Code Size 1027 Byte
Status AC
Exec Time 13 ms
Memory 6692 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 466 / 466
Status AC
AC × 67
Set Name Test Cases
Sample
All in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in50.txt, in51.txt, in52.txt, in53.txt, in54.txt, in55.txt, in56.txt, in57.txt, in58.txt, in59.txt, in60.txt, in61.txt, in62.txt, in63.txt, in64.txt, in65.txt, in66.txt, in67.txt
Case Name Status Exec Time Memory
in01.txt AC 1 ms 3496 KiB
in02.txt AC 1 ms 3564 KiB
in03.txt AC 1 ms 3552 KiB
in04.txt AC 1 ms 3720 KiB
in05.txt AC 1 ms 3568 KiB
in06.txt AC 11 ms 5280 KiB
in07.txt AC 11 ms 5272 KiB
in08.txt AC 12 ms 5284 KiB
in09.txt AC 12 ms 5268 KiB
in10.txt AC 13 ms 5156 KiB
in11.txt AC 11 ms 5224 KiB
in12.txt AC 12 ms 5992 KiB
in13.txt AC 10 ms 5164 KiB
in14.txt AC 12 ms 6692 KiB
in15.txt AC 8 ms 5288 KiB
in16.txt AC 13 ms 6256 KiB
in17.txt AC 11 ms 5232 KiB
in18.txt AC 12 ms 5228 KiB
in19.txt AC 10 ms 5268 KiB
in20.txt AC 7 ms 5244 KiB
in21.txt AC 9 ms 5236 KiB
in22.txt AC 10 ms 5268 KiB
in23.txt AC 8 ms 5236 KiB
in24.txt AC 10 ms 5224 KiB
in25.txt AC 1 ms 3580 KiB
in26.txt AC 1 ms 3688 KiB
in27.txt AC 11 ms 5232 KiB
in28.txt AC 1 ms 3604 KiB
in29.txt AC 1 ms 3732 KiB
in30.txt AC 1 ms 3604 KiB
in31.txt AC 1 ms 3608 KiB
in32.txt AC 1 ms 3504 KiB
in33.txt AC 11 ms 5268 KiB
in34.txt AC 1 ms 3628 KiB
in35.txt AC 1 ms 3572 KiB
in36.txt AC 1 ms 3848 KiB
in37.txt AC 5 ms 4848 KiB
in38.txt AC 1 ms 3492 KiB
in39.txt AC 1 ms 3680 KiB
in40.txt AC 1 ms 3492 KiB
in41.txt AC 1 ms 3500 KiB
in42.txt AC 13 ms 6012 KiB
in43.txt AC 13 ms 5484 KiB
in44.txt AC 9 ms 6504 KiB
in45.txt AC 10 ms 6296 KiB
in46.txt AC 1 ms 3484 KiB
in47.txt AC 1 ms 3720 KiB
in48.txt AC 12 ms 5268 KiB
in49.txt AC 12 ms 5224 KiB
in50.txt AC 1 ms 3604 KiB
in51.txt AC 1 ms 3500 KiB
in52.txt AC 1 ms 3492 KiB
in53.txt AC 1 ms 3604 KiB
in54.txt AC 1 ms 3564 KiB
in55.txt AC 1 ms 3564 KiB
in56.txt AC 1 ms 3504 KiB
in57.txt AC 1 ms 3572 KiB
in58.txt AC 1 ms 3552 KiB
in59.txt AC 1 ms 3500 KiB
in60.txt AC 1 ms 3572 KiB
in61.txt AC 1 ms 3568 KiB
in62.txt AC 1 ms 3536 KiB
in63.txt AC 1 ms 3568 KiB
in64.txt AC 1 ms 3492 KiB
in65.txt AC 1 ms 3624 KiB
in66.txt AC 1 ms 3604 KiB
in67.txt AC 1 ms 3568 KiB