Submission #1476364


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;
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 (b < a) { a = b; return true; } return false; }

vector<int> cumsum(const vector<int> &v) {
	int n = v.size();
	vector<int> sum(n + 1);
	for (int i = 0; i < n; i++)
		sum[i + 1] = sum[i] + v[i];
	return sum;
}

signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int N; cin >> N;
	int K; cin >> K;
	vector<int> a(N); rep(i, 0, N) {
		cin >> a[i];
	}
	vector<int> sum = cumsum(a);
	vector<int> b(N);
	rep(i, 0, N)chmax(b[i], a[i]);
	vector<int> sumb = cumsum(b);
	int ans = 0;
	dump(sum);
	dump(sumb);
	rep(i, 0, N - K + 1) {
		chmax(ans, sum[i + K] - sum[i] + sumb[i] + sumb[N] - sumb[i + K]);
		chmax(ans, sumb[i] + sumb[N] - sumb[i + K]);
	}
	cout << ans << endl;
	return 0;
}

Submission Info

Submission Time
Task B - Contiguous Repainting
User minaminao
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1259 Byte
Status AC
Exec Time 14 ms
Memory 3456 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 9 ms 3456 KB
1_04.txt AC 13 ms 3456 KB
1_05.txt AC 14 ms 3456 KB
1_06.txt AC 13 ms 3456 KB
1_07.txt AC 14 ms 3328 KB
1_08.txt AC 13 ms 3328 KB
1_09.txt AC 13 ms 3328 KB
1_10.txt AC 13 ms 3328 KB
1_11.txt AC 14 ms 3328 KB
1_12.txt AC 13 ms 3328 KB
1_13.txt AC 13 ms 3328 KB
1_14.txt AC 13 ms 3328 KB
1_15.txt AC 13 ms 3328 KB
1_16.txt AC 13 ms 3328 KB
1_17.txt AC 13 ms 3456 KB
1_18.txt AC 13 ms 3328 KB
1_19.txt AC 12 ms 3328 KB
1_20.txt AC 13 ms 3328 KB
1_21.txt AC 13 ms 3456 KB