Submission #1587316


Source Code Expand

#include "bits/stdc++.h"
using namespace std;
#ifdef _DEBUG
#include "dump.hpp"
#else
#define dump(...)
#endif

#define int long long
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(c) begin(c),end(c)
const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;
const int MOD = (int)(1e9) + 7;
const double PI = acos(-1);
const double EPS = 1e-9;
template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template<class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; }

signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int N, K; cin >> N >> K;
	vector<int> a(N + 1); rep(i, 1, N + 1) { cin >> a[i]; }
	int m(0);
	rep(i, 1, N + 1)if (a[i] > 0)m += a[i];

	int l = 0, over0 = 0, sum = 0;
	rep(i, 0, K) {
		if (a[i] > 0)
			over0 += a[i];

		sum += a[i];

	}
	dump(m, l, over0, sum);
	int ans(0);
	rep(i, K, N + 1) {
		if (a[i] > 0)over0 += a[i];
		if (a[l] > 0)over0 -= a[l];
		sum = sum + a[i] - a[l++];

		int x = m - over0;

		chmax(ans, max(x, x + sum));
	}

	cout << ans << endl;
	return 0;
}

Submission Info

Submission Time
Task B - Contiguous Repainting
User norma
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1214 Byte
Status AC
Exec Time 12 ms
Memory 1024 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 4
AC × 26
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 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
0_03.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt AC 1 ms 256 KB
1_03.txt AC 8 ms 1024 KB
1_04.txt AC 12 ms 1024 KB
1_05.txt AC 12 ms 1024 KB
1_06.txt AC 12 ms 1024 KB
1_07.txt AC 12 ms 1024 KB
1_08.txt AC 12 ms 1024 KB
1_09.txt AC 12 ms 1024 KB
1_10.txt AC 12 ms 1024 KB
1_11.txt AC 12 ms 1024 KB
1_12.txt AC 12 ms 1024 KB
1_13.txt AC 12 ms 1024 KB
1_14.txt AC 11 ms 1024 KB
1_15.txt AC 12 ms 1024 KB
1_16.txt AC 12 ms 1024 KB
1_17.txt AC 11 ms 1024 KB
1_18.txt AC 12 ms 1024 KB
1_19.txt AC 11 ms 1024 KB
1_20.txt AC 12 ms 1024 KB
1_21.txt AC 12 ms 1024 KB