public static void main(String[] args) throws PatternSyntaxException {
Scanner in = new Scanner(System.in);
System.out.println("Enter pattern: ");
String patternString = in.nextLine();
Pattern pattern = Pattern.compile(patternString);
while (true) {
System.out.println("Enter string to match: ");
String input = in.nextLine();
if (input == null || input.equals("")) return;
Matcher matcher = pattern.matcher(input);
if (matcher.matches()) {
System.out.println("Match");
int g = matcher.groupCount();
if (g > 0) {
for (int i = 0; i < input.length(); i++) {
// Print any empty groups
for (int j = 1; j <= g; j++)
if (i == matcher.start(j) && i == matcher.end(j)) System.out.print("()");
// Print ( for non-empty groups starting here
for (int j = 1; j <= g; j++)
if (i == matcher.start(j) && i != matcher.end(j)) System.out.print('(');
System.out.print(input.charAt(i));
// Print ) for non-empty groups ending here
for (int j = 1; j <= g; j++)
if (i + 1 != matcher.start(j) && i + 1 == matcher.end(j)) System.out.print(')');
}
System.out.println();
}
} else System.out.println("No match");
}
}
public static void main(String[] args) {
int i = 4;
double d = 4.0;
String s = "HackerRank ";
Scanner scan = new Scanner(System.in);
/* Declare second integer, double, and String variables. */
int j;
double e;
String t;
/* Read and save an integer, double, and String to your variables.*/
j = scan.nextInt();
e = scan.nextDouble();
scan.nextLine();
t = scan.nextLine();
/* Print the sum of both integer variables on a new line. */
System.out.println(i + j);
/* Print the sum of the double variables on a new line. */
System.out.println(d + e);
/* Concatenate and print the String variables on a new line;
the 's' variable above should be printed first. */
System.out.println(s + t);
scan.close();
}
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner sc = new Scanner(System.in);
int mapSize = Integer.parseInt(sc.nextLine());
char[][] map = new char[mapSize][];
for (int i = 0; i < mapSize; i++) {
String numbersString = sc.nextLine();
map[i] = numbersString.toCharArray();
}
printMapWithCavities(map, mapSize);
}
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int T = Integer.parseInt(in.nextLine());
for (int a = 0; a < T; a++) {
String PAN = in.nextLine();
System.out.println(isValidPAN(PAN));
}
in.close();
}
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner sc = new Scanner(System.in);
String[][] numArray = new String[6][];
int largestSum = 0;
for (int i = 0; i < 6; i++) {
numArray[i] = sc.nextLine().split(" ");
}
for (int i = 0; i <= 3; i++) {
for (int j = 0; j <= 3; j++) {
int sum =
Integer.parseInt(numArray[i][j])
+ Integer.parseInt(numArray[i][j + 1])
+ Integer.parseInt(numArray[i][j + 2])
+ Integer.parseInt(numArray[i + 1][j + 1])
+ Integer.parseInt(numArray[i + 2][j])
+ Integer.parseInt(numArray[i + 2][j + 1])
+ Integer.parseInt(numArray[i + 2][j + 2]);
// System.out.println(sum);
if (i == 0 && j == 0) {
largestSum = sum;
} else {
if (sum > largestSum) {
largestSum = sum;
}
}
}
}
System.out.println(largestSum);
}
private InstanceList readFile() throws IOException {
String NL = System.getProperty("line.separator");
Scanner scanner = new Scanner(new FileInputStream(fileName), encoding);
ArrayList<Pipe> pipeList = new ArrayList<Pipe>();
pipeList.add(new CharSequence2TokenSequence(Pattern.compile("\\p{L}\\p{L}+")));
pipeList.add(new TokenSequence2FeatureSequence());
InstanceList testing = new InstanceList(new SerialPipes(pipeList));
try {
while (scanner.hasNextLine()) {
String text = scanner.nextLine();
text = text.replaceAll("\\x0d", "");
Pattern patten = Pattern.compile("^(.*?),(.*?),(.*)$");
Matcher matcher = patten.matcher(text);
if (matcher.find()) {
docIds.add(matcher.group(1));
testing.addThruPipe(new Instance(matcher.group(3), null, "test instance", null));
}
}
} finally {
scanner.close();
}
return testing;
}
/** @param args the command line arguments */
public static void main(String[] args) {
// Takes user input and converts into a character array
Scanner sc = new Scanner(System.in);
int n = Integer.parseInt(sc.nextLine());
String input = sc.nextLine();
String[] a = input.split(" ");
BigInteger[] storage = new BigInteger[n];
BigInteger sum = new BigInteger("0");
// Converts and Stores Big Integers
for (int i = 0; i < n; i++) storage[i] = new BigInteger(a[i]);
// Sums the BigIntegers in storage
for (int j = 0; j < n; j++) sum = sum.add(storage[j]);
// Outputs the sum of values in storage as a string
System.out.println(sum);
}
public static void main(String[] args) throws IOException {
Scanner in = new Scanner(System.in);
// final String fileName = System.getenv("OUTPUT_PATH");
// BufferedWriter bw = new BufferedWriter(new FileWriter(fileName));
int res;
int _arr_size = Integer.parseInt(in.nextLine());
int[] _arr = new int[_arr_size];
int _arr_item;
for (int _arr_i = 0; _arr_i < _arr_size; _arr_i++) {
_arr_item = Integer.parseInt(in.nextLine());
_arr[_arr_i] = _arr_item;
}
res = lonelyInteger(_arr);
System.out.println(res);
// bw.write(String.valueOf(res));
// bw.newLine();
// bw.close();
}
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner in = new Scanner(System.in);
String input = "";
int n = 1;
String output = "";
while (in.hasNextLine()) {
if (in.hasNext()) {
output += n + " " + in.nextLine() + "\n";
n++;
}
}
System.out.println(output);
}
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
Matcher m =
Pattern.compile(
"(?<countryCode>\\d{1,3})"
+ "([ -])"
+ "(?<localAreaCode>\\d{1,3})"
+ "\\2"
+ "(?<number>\\d{4,10})")
.matcher("");
int N = Integer.parseInt(in.nextLine());
while (N-- > 0) {
String line = in.nextLine();
if (m.reset(line).matches()) {
String countryCode = m.group("countryCode");
String localAreaCode = m.group("localAreaCode");
String number = m.group("number");
String output =
"CountryCode=" + countryCode + ",LocalAreaCode=" + localAreaCode + ",Number=" + number;
System.out.println(output);
}
}
}