Submission #1677164


Source Code Expand

#include <iostream>
#include <queue>
#include <cstring>
using namespace std;

using int64 = long long;

int main() {
    int N, M, K;
    cin >> N >> M >> K;

    const int MAXN = 200005;

    static int64 A[MAXN];
    for (int i = 0; i < N; i++) {
        cin >> A[i];
    }

    static int64 dp[2][MAXN];
    memset(dp, -1, sizeof(dp));
    dp[0][0] = 0;
    for (int i = 0; i < N; i++) dp[1][i] = A[i];

    int64 ans = 0;
    // スライド最大値
    for (int i = 1; i < K; i++) {
        deque<int> dq;
        for (int j = 0; j < N; j++) {
            if (dq.empty() or dp[i & 1][dq.front()] < 0) dp[(i + 1) & 1][j] = -1;
            else {
                dp[(i + 1) & 1][j] = dp[i & 1][dq.front()] + int64(i + 1) * A[j];
            }
            while (!dq.empty() and dp[i & 1][dq.back()] <= dp[i & 1][j]) dq.pop_back();
            dq.push_back(j);

            if (dq.front() == j - M) dq.pop_front();

            if (i == K - 1) ans = max(ans, dp[K & 1][j]);
        }
    }
    cout << ans << endl;

    return 0;
}

Submission Info

Submission Time
Task A - Struck Out
User myusa
Language C++14 (GCC 5.4.1)
Score 700
Code Size 1077 Byte
Status AC
Exec Time 444 ms
Memory 4352 KB

Judge Result

Set Name Sample subtask1 subtask2 subtask3 All
Score / Max Score 0 / 0 100 / 100 200 / 200 300 / 300 100 / 100
Status
AC × 3
AC × 10
AC × 12
AC × 21
AC × 46
Set Name Test Cases
Sample sample_1.txt, sample_2.txt, sample_3.txt
subtask1 sample_2.txt, subtask_1_1.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt
subtask2 sample_1.txt, sample_2.txt, sample_3.txt, subtask_2_1.txt, subtask_2_2.txt, subtask_2_3.txt, subtask_2_4.txt, subtask_2_5.txt, subtask_2_6.txt, subtask_2_7.txt, subtask_2_8.txt, subtask_2_9.txt
subtask3 sample_1.txt, sample_2.txt, sample_3.txt, subtask_2_1.txt, subtask_2_2.txt, subtask_2_3.txt, subtask_2_4.txt, subtask_2_5.txt, subtask_2_6.txt, subtask_2_7.txt, subtask_2_8.txt, subtask_2_9.txt, subtask_3_1.txt, subtask_3_2.txt, subtask_3_3.txt, subtask_3_4.txt, subtask_3_5.txt, subtask_3_6.txt, subtask_3_7.txt, subtask_3_8.txt, subtask_3_9.txt
All sample_1.txt, sample_2.txt, sample_3.txt, sample_1.txt, sample_2.txt, sample_3.txt, subtask_1_1.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt, subtask_2_1.txt, subtask_2_2.txt, subtask_2_3.txt, subtask_2_4.txt, subtask_2_5.txt, subtask_2_6.txt, subtask_2_7.txt, subtask_2_8.txt, subtask_2_9.txt, subtask_3_1.txt, subtask_3_2.txt, subtask_3_3.txt, subtask_3_4.txt, subtask_3_5.txt, subtask_3_6.txt, subtask_3_7.txt, subtask_3_8.txt, subtask_3_9.txt, subtask_4_1.txt, subtask_4_10.txt, subtask_4_11.txt, subtask_4_12.txt, subtask_4_13.txt, subtask_4_2.txt, subtask_4_3.txt, subtask_4_4.txt, subtask_4_5.txt, subtask_4_6.txt, subtask_4_7.txt, subtask_4_8.txt, subtask_4_9.txt
Case Name Status Exec Time Memory
sample_1.txt AC 2 ms 4352 KB
sample_2.txt AC 2 ms 4352 KB
sample_3.txt AC 2 ms 4352 KB
subtask_1_1.txt AC 2 ms 4352 KB
subtask_1_2.txt AC 42 ms 4352 KB
subtask_1_3.txt AC 412 ms 4352 KB
subtask_1_4.txt AC 6 ms 4352 KB
subtask_1_5.txt AC 46 ms 4352 KB
subtask_1_6.txt AC 3 ms 4352 KB
subtask_1_7.txt AC 164 ms 4352 KB
subtask_1_8.txt AC 412 ms 4352 KB
subtask_1_9.txt AC 4 ms 4352 KB
subtask_2_1.txt AC 2 ms 4352 KB
subtask_2_2.txt AC 2 ms 4352 KB
subtask_2_3.txt AC 2 ms 4352 KB
subtask_2_4.txt AC 3 ms 4352 KB
subtask_2_5.txt AC 2 ms 4352 KB
subtask_2_6.txt AC 2 ms 4352 KB
subtask_2_7.txt AC 2 ms 4352 KB
subtask_2_8.txt AC 2 ms 4352 KB
subtask_2_9.txt AC 2 ms 4352 KB
subtask_3_1.txt AC 77 ms 4352 KB
subtask_3_2.txt AC 77 ms 4352 KB
subtask_3_3.txt AC 76 ms 4352 KB
subtask_3_4.txt AC 62 ms 4352 KB
subtask_3_5.txt AC 6 ms 4352 KB
subtask_3_6.txt AC 59 ms 4352 KB
subtask_3_7.txt AC 77 ms 4352 KB
subtask_3_8.txt AC 10 ms 4352 KB
subtask_3_9.txt AC 79 ms 4352 KB
subtask_4_1.txt AC 415 ms 4352 KB
subtask_4_10.txt AC 342 ms 4352 KB
subtask_4_11.txt AC 444 ms 4352 KB
subtask_4_12.txt AC 441 ms 4352 KB
subtask_4_13.txt AC 433 ms 4352 KB
subtask_4_2.txt AC 427 ms 4352 KB
subtask_4_3.txt AC 410 ms 4352 KB
subtask_4_4.txt AC 412 ms 4352 KB
subtask_4_5.txt AC 354 ms 4352 KB
subtask_4_6.txt AC 68 ms 4352 KB
subtask_4_7.txt AC 243 ms 4352 KB
subtask_4_8.txt AC 406 ms 4352 KB
subtask_4_9.txt AC 204 ms 4352 KB