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Sub_Array_Division.java
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67 lines (48 loc) · 1.83 KB
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//Problem Link: https://www.hackerrank.com/challenges/the-birthday-bar/problem?isFullScreen=true
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 Solution {
// Complete the birthday function below.
static int birthday(List<Integer> s, int d, int m) {
int count = 0;
5C2A
if(s.size()==1 && s.get(0)==d){
return 1;
}
for(int i = 0; i <= s.size()-m ; i++){
int sum = 0;
for(int j = i; j<m+i ; j++){
sum += s.get(j);
}
if(sum == d){
count++;
}
System.out.println(sum);
}
return count;
}
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();
}
}