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GuessingGameI.java
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GuessingGameI.java
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import java.util.Scanner;
public class GuessingGameI {
private static void solveGuessingGameI(int secret, int guess) {
int numCircles = 0, numSquares = 0;
/* ------------------- INSERT CODE HERE ---------------------
*
* Your code should set the values of numCircles and numSquares appropriately.
*
*/
char[] secretCharArray = Integer.toString(secret).toCharArray();
String guessStr = Integer.toString(guess);
for (int i = 0; i < 4; i++) {
if (secretCharArray[i] == guessStr.charAt(i)) {
numCircles++;
secretCharArray[i] = 'x';
}
}
for (int i = 0; i < 4; i++) {
char gc = guessStr.charAt(i);
for (int j = 0; j < 4; j++) {
if (i != j) {
char sc = secretCharArray[j];
if (gc == sc) {
numSquares++;
secretCharArray[j] = 'x'; // prevent double counting
}
}
}
}
/* -------------------- END OF INSERTION --------------------*/
System.out.println("For secret = " + secret + " and guess = " + guess + ", " + numCircles + " circles and " + numSquares + " squares will light up.");
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int numCases = sc.nextInt();
for(int i = 0; i < numCases; i++)
{
int secret = sc.nextInt();
int guess = sc.nextInt();
solveGuessingGameI(secret, guess);
}
}
}