Submission #1382396


Source Code Expand

#include <bits/stdc++.h>

using namespace std;

#define forn(i, x, n) for (int i = int(x); i <= int(n); ++i)
#define for1(i, n, x) for (int i = int(n); i >= int(x); --i)
#define F first
#define S second
#define pb push_back

typedef long long ll;
typedef pair <int, int> pii;
typedef long double ld;
typedef vector <ll> vi;

const int N = 2e6 + 1;
const int INF = 1e9 + 9;
const int B = 1e9 + 7;

int n, k, a[N];
ll p[N];

int main() {
    #ifdef black
    freopen("in", "r", stdin);
    #endif // black
    ios_base :: sync_with_stdio(0);
    cin.tie(0);

    cin >> n >> k;
    forn(i, 1, n)
        cin >> a[i];
    ll ans = 0;
    forn(i, 1, n - k) {
        p[i] = p[i - 1];
        if (a[i] > 0) p[i] += a[i];
    }
    ans = p[n - k];
    ll mx = 0, s = 0;
    for1(i, n, n - k + 1) {
        s += a[i];
        if (i == n - k + 1)
            mx = max(mx, s + p[n - k]);
        else
            if (i - k >= 1)
                mx = max(mx, s + p[i - k - 1]);
    }
    ans = max(ans, mx);
    cout << ans << "\n";

    return 0;
}

Submission Info

Submission Time
Task B - Contiguous Repainting
User sancho
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1094 Byte
Status WA
Exec Time 13 ms
Memory 3072 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 4
AC × 14
WA × 12
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt
Case Name Status Exec Time Memory
0_00.txt AC 2 ms 2304 KB
0_01.txt AC 2 ms 2304 KB
0_02.txt AC 2 ms 2304 KB
0_03.txt AC 2 ms 2304 KB
1_00.txt AC 2 ms 2304 KB
1_01.txt AC 2 ms 2304 KB
1_02.txt AC 2 ms 2304 KB
1_03.txt AC 8 ms 3072 KB
1_04.txt AC 12 ms 3072 KB
1_05.txt AC 13 ms 3072 KB
1_06.txt AC 12 ms 3072 KB
1_07.txt AC 12 ms 3072 KB
1_08.txt AC 12 ms 2304 KB
1_09.txt AC 12 ms 2304 KB
1_10.txt WA 12 ms 2304 KB
1_11.txt WA 12 ms 2560 KB
1_12.txt WA 12 ms 2560 KB
1_13.txt WA 12 ms 2560 KB
1_14.txt WA 12 ms 2304 KB
1_15.txt WA 12 ms 2688 KB
1_16.txt WA 12 ms 2816 KB
1_17.txt WA 12 ms 2816 KB
1_18.txt WA 12 ms 2560 KB
1_19.txt WA 11 ms 2432 KB
1_20.txt WA 12 ms 2560 KB
1_21.txt WA 12 ms 2432 KB