Submission #2527580
Source Code Expand
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { int n, k; int[] as; public static void main(String args[]) { new Main().run(); } void run() { FastReader sc = new FastReader(); n = sc.nextInt(); k = sc.nextInt(); as = new int[n]; for (int i = 0; i < n; i++) { as[i] = sc.nextInt(); } solve(); } void solve() { long sum = 0; long kSum = 0; for (int i = 0; i < k; i++) { kSum += as[i]; } sum += kSum; for (int i = k; i < n; i++) { kSum -= as[i - k]; kSum += as[i]; sum += kSum; } System.out.println(sum); } static class FastReader { BufferedReader br; StringTokenizer st; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() { while (st == null || !st.hasMoreElements()) { try { st = new StringTokenizer(br.readLine()); } catch (IOException e) { e.printStackTrace(); } } return st.nextToken(); } int nextInt() { return Integer.parseInt(next()); } long nextLong() { return Long.parseLong(next()); } double nextDouble() { return Double.parseDouble(next()); } String nextLine() { String str = ""; try { str = br.readLine(); } catch (IOException e) { e.printStackTrace(); } return str; } } }
Submission Info
Submission Time | |
---|---|
Task | C - 総和 |
User | ynish |
Language | Java8 (OpenJDK 1.8.0) |
Score | 100 |
Code Size | 2075 Byte |
Status | AC |
Exec Time | 190 ms |
Memory | 36380 KB |
Judge Result
Set Name | sample | subtask1 | subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 50 / 50 | 50 / 50 | ||||||
Status |
|
|
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Set Name | Test Cases |
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sample | sample01.txt, sample02.txt |
subtask1 | 00.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, sample01.txt, sample02.txt |
subtask2 | 00.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, sample01.txt, sample02.txt, sample01.txt, sample02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00.txt | AC | 71 ms | 21076 KB |
01.txt | AC | 70 ms | 20564 KB |
02.txt | AC | 71 ms | 18900 KB |
03.txt | AC | 79 ms | 23508 KB |
04.txt | AC | 90 ms | 20944 KB |
05.txt | AC | 79 ms | 21460 KB |
06.txt | AC | 80 ms | 21844 KB |
07.txt | AC | 85 ms | 19540 KB |
08.txt | AC | 76 ms | 20308 KB |
09.txt | AC | 81 ms | 19796 KB |
10.txt | AC | 86 ms | 20436 KB |
11.txt | AC | 171 ms | 33292 KB |
12.txt | AC | 172 ms | 34496 KB |
13.txt | AC | 190 ms | 36380 KB |
14.txt | AC | 169 ms | 33364 KB |
15.txt | AC | 172 ms | 34572 KB |
16.txt | AC | 173 ms | 35624 KB |
17.txt | AC | 165 ms | 32012 KB |
18.txt | AC | 139 ms | 27792 KB |
19.txt | AC | 184 ms | 32344 KB |
sample01.txt | AC | 71 ms | 20564 KB |
sample02.txt | AC | 70 ms | 19156 KB |