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 |
|
|
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 |