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Java BitSet.java

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import java.util.Scanner;

import java.util.BitSet;

public class Solution {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

int N = scan.nextInt();

int M = scan.nextInt();

BitSet B1 = new BitSet(N);

BitSet B2 = new BitSet(N);

while (M-- > 0) {

String str = scan.next();

int a = scan.nextInt();

int b = scan.nextInt();

switch (str) {

case "AND":

if (a == 1) {

B1.and(B2);

} else {

B2.and(B1);

}

break;

case "OR":

if (a == 1) {

B1.or(B2);

} else {

B2.or(B1);

}

break;

case "XOR":

if (a == 1) {

B1.xor(B2);

} else {

B2.xor(B1);

}

break;

case "FLIP":

if (a == 1) {

B1.flip(b);

} else {

B2.flip(b);

}

break;

case "SET":

if (a == 1) {

B1.set(b);

} else {

B2.set(b);

}

break;

default:

break;

}

System.out.println(B1.cardinality() + " " + B2.cardinality());

}

scan.close();

}

}