CodeChef/HolesInTheText.java at master · mchowning/CodeChef · GitHub

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importjava.util.*;
importjava.io.*;


classHolesInTheText {

publicstaticvoidmain(String[] args) {
try {
BufferedReaderbr = newBufferedReader(newInputStreamReader(System.in));
intnumLines = Integer.parseInt(br.readLine());
for (inti = 0; i < numLines; i++) {
Stringline = br.readLine();
intholes = numHoles(line);
System.out.println(holes);
 }
 } catch (IOExceptione) {}
	}

publicstaticintnumHoles (Stringstr) {
intholes = 0;
for (charch : str.toCharArray()) {
/*for (int i = 0; i < str.length(); i++) {
 char ch = str.charAt(i);*/

finalHashSet<Character> hs = getSet();

if (ch == 'B') {
holes += 2;
 } elseif (hs.contains(ch)) {

/* //Alternatively
 } else if (ch == 'A' ||
 ch == 'D' ||
 ch == 'O' ||
 ch == 'P' ||
 ch == 'Q' ||
 ch == 'R')
 {
*/
holes ++;
 }

 }
returnholes;
	}

privatestaticHashSet<Character> getSet() {
HashSet<Character> hs = newHashSet<Character>();
hs.add('A');
hs.add('D');
hs.add('O');
hs.add('P');
hs.add('Q');
hs.add('R');
returnhs;
	}
}