Submission #1042115
Source Code Expand
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <algorithm>
typedef long long ll;
#define rep(i, a, b) for (int i = a; i <= b; ++ i)
#define per(i, a, b) for (int i = a; i >= b; -- i)
const int maxn = 100010;
using namespace std;
int n, k, a[maxn]; ll L[maxn], R[maxn];
int main() {
scanf("%d%d", &n, &k);
rep(i, 1, n) scanf("%d", &a[i]);
rep(i, 1, n) L[i] = L[i - 1] + max(a[i], 0);
per(i, n, 1) R[i] = R[i + 1] + max(a[i], 0); ll ans = 0, now = 0;
rep(i, 1, k) now += a[i];
rep(i, 1, n - k + 1) ans = max(ans, L[i - 1] + max(now, 0LL) + R[i + k]), now += a[i + k] - a[i];
printf("%lld", ans);
return 0;
}
Submission Info
Submission Time |
|
Task |
B - Contiguous Repainting |
User |
mjy0724 |
Language |
C++14 (GCC 5.4.1) |
Score |
400 |
Code Size |
671 Byte |
Status |
AC |
Exec Time |
17 ms |
Memory |
2176 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:13:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &k);
^
./Main.cpp:14:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
rep(i, 1, n) scanf("%d", &a[i]);
^
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 |
2 ms |
256 KB |
0_01.txt |
AC |
2 ms |
256 KB |
0_02.txt |
AC |
2 ms |
256 KB |
0_03.txt |
AC |
2 ms |
256 KB |
1_00.txt |
AC |
3 ms |
256 KB |
1_01.txt |
AC |
2 ms |
256 KB |
1_02.txt |
AC |
2 ms |
256 KB |
1_03.txt |
AC |
12 ms |
2176 KB |
1_04.txt |
AC |
16 ms |
2176 KB |
1_05.txt |
AC |
17 ms |
2176 KB |
1_06.txt |
AC |
17 ms |
2176 KB |
1_07.txt |
AC |
16 ms |
2176 KB |
1_08.txt |
AC |
16 ms |
2176 KB |
1_09.txt |
AC |
16 ms |
2176 KB |
1_10.txt |
AC |
16 ms |
2176 KB |
1_11.txt |
AC |
16 ms |
2176 KB |
1_12.txt |
AC |
16 ms |
2176 KB |
1_13.txt |
AC |
16 ms |
2176 KB |
1_14.txt |
AC |
16 ms |
2176 KB |
1_15.txt |
AC |
16 ms |
2176 KB |
1_16.txt |
AC |
17 ms |
2176 KB |
1_17.txt |
AC |
16 ms |
2176 KB |
1_18.txt |
AC |
16 ms |
2176 KB |
1_19.txt |
AC |
16 ms |
2176 KB |
1_20.txt |
AC |
16 ms |
2176 KB |
1_21.txt |
AC |
16 ms |
2176 KB |