-
Notifications
You must be signed in to change notification settings - Fork 2
/
BirthdayChocolate.java
55 lines (44 loc) · 1.67 KB
/
BirthdayChocolate.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;
public class BirthdayChocolate {
// https://www.hackerrank.com/challenges/the-birthday-bar/problem
// Complete the birthday function below.
static int birthday(List<Integer> s, int d, int m) {
int results = 0;
int localSum = 0;
for(int i = 0 ; i<s.size()-m+1 ;i++) {
localSum = 0;
for(int a =i; a<i+m ; a++) {
localSum += s.get(a);
}
if(localSum == d)
results++;
}
return results;
}
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
int n = Integer.parseInt(bufferedReader.readLine().trim());
List<Integer> s = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))
.map(Integer::parseInt)
.collect(toList());
String[] dm = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");
int d = Integer.parseInt(dm[0]);
int m = Integer.parseInt(dm[1]);
int result = birthday(s, d, m);
bufferedWriter.write(String.valueOf(result));
bufferedWriter.newLine();
bufferedReader.close();
bufferedWriter.close();
}
}