Submission #1041804
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long double ld; typedef long long ll; const int M = 100100; int n, k; ll f[M], g[M]; ll a[M], s[M]; ll l[M], r[M]; void read() { cin >> n >> k; for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < n; ++i) { s[i + 1] = s[i] + a[i]; } } void kill() { ll ans = 0; for (int i = 0; i < n; ++i) { l[i + 1] = l[i] + max<ll>(0, a[i]); } for (int i = n - 1; i >= 0; --i) { r[i] = r[i + 1] + max<ll>(0, a[i]); } for (int i = 0; i + k <= n; ++i) { ll sum = max<ll>(0, s[i + k] - s[i]); ans = max(ans, sum + l[i] + r[i + k]); } cout << ans << endl; } int main() { #ifdef LOCAL assert(freopen("b.in", "r", stdin)); #endif ios_base::sync_with_stdio(false); read(); kill(); }
Submission Info
Submission Time | |
---|---|
Task | B - Contiguous Repainting |
User | Arterm |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 851 Byte |
Status | AC |
Exec Time | 18 ms |
Memory | 3328 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 | 3 ms | 256 KB |
0_01.txt | AC | 3 ms | 256 KB |
0_02.txt | AC | 3 ms | 256 KB |
0_03.txt | AC | 3 ms | 256 KB |
1_00.txt | AC | 3 ms | 256 KB |
1_01.txt | AC | 3 ms | 256 KB |
1_02.txt | AC | 3 ms | 256 KB |
1_03.txt | AC | 12 ms | 3328 KB |
1_04.txt | AC | 17 ms | 3328 KB |
1_05.txt | AC | 18 ms | 3328 KB |
1_06.txt | AC | 17 ms | 3328 KB |
1_07.txt | AC | 17 ms | 3328 KB |
1_08.txt | AC | 18 ms | 3328 KB |
1_09.txt | AC | 17 ms | 3328 KB |
1_10.txt | AC | 17 ms | 3328 KB |
1_11.txt | AC | 18 ms | 3328 KB |
1_12.txt | AC | 17 ms | 3328 KB |
1_13.txt | AC | 17 ms | 3328 KB |
1_14.txt | AC | 17 ms | 3328 KB |
1_15.txt | AC | 17 ms | 3328 KB |
1_16.txt | AC | 17 ms | 3328 KB |
1_17.txt | AC | 17 ms | 3328 KB |
1_18.txt | AC | 18 ms | 3328 KB |
1_19.txt | AC | 17 ms | 3328 KB |
1_20.txt | AC | 17 ms | 3328 KB |
1_21.txt | AC | 17 ms | 3328 KB |