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View Compilation Error

0_0_20650599_9375.cpp:1:1: error: 'import' does not name a type
 import java.io.*;
 ^
0_0_20650599_9375.cpp:2:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_20650599_9375.cpp:3:1: error: 'import' does not name a type
 import java.math.*;
 ^
0_0_20650599_9375.cpp:5:12: error: expected ':' before 'static'
     public static void main(String[] args) {
            ^
0_0_20650599_9375.cpp:5:29: error: 'String' has not been declared
     public static void main(String[] args) {
                             ^
0_0_20650599_9375.cpp:5:38: error: expected ',' or '...' before 'args'
     public static void main(String[] args) {
                                      ^
0_0_20650599_9375.cpp:37:1: error: expected ';' after class definition
 }
 ^
0_0_20650599_9375.cpp: In static member function 'static void Main::main(int*)':
0_0_20650599_9375.cpp:6:9: error: 'Scanner' was not declared in this scope
         Scanner in = new Scanner(System.in);
         ^
0_0_20650599_9375.cpp:7:19: error: 'in' was not declared in this scope
         int cas = in.nextInt();
                   ^
0_0_20650599_9375.cpp:8:9: error: 'BigInteger' was not declared in this scope
         BigInteger one = BigInteger.ONE;
         ^
0_0_20650599_9375.cpp:9:20: error: expected ';' before 'a'
         BigInteger a, b, x, y;
                    ^
0_0_20650599_9375.cpp:13:13: error: 'a' was not declared in this scope
             a = in.nextBigInteger().subtract(one);
             ^
0_0_20650599_9375.cpp:13:46: error: 'one' was not declared in this scope
             a = in.nextBigInteger().subtract(one);
                                              ^
0_0_20650599_9375.cpp:14:13: error: 'x' was not declared in this scope
             x = in.nextBigInteger().subtract(one);
             ^
0_0_20650599_9375.cpp:15:13: error: 'b' was not declared in this scope
             b = in.nextBigInteger().subtract(one);
             ^
0_0_20650599_9375.cpp:16:13: error: 'y' was not declared in this scope
             y = in.nextBigInteger().subtract(one);
             ^
0_0_20650599_9375.cpp:17:13: error: 'boolean' was not declared in this scope
             boolean ok = false;
             ^
0_0_20650599_9375.cpp:18:24: error: expected ';' before 'bit'
             BigInteger bit = BigInteger.valueOf(1).shiftLeft(n-1);
                        ^
0_0_20650599_9375.cpp:19:19: error: expected unqualified-id before 'xor' token
             a = a.xor(b);
                   ^
0_0_20650599_9375.cpp:20:19: error: expected unqualified-id before 'xor' token
             x = x.xor(y);
                   ^
0_0_20650599_9375.cpp:23:21: error: 'ok' was not declared in this scope
                     ok = true;
                     ^
0_0_20650599_9375.cpp:26:25: error: expected ';' before 't'
                 boolean t = a.testBit(0);
                         ^
0_0_20650599_9375.cpp:28:20: error: 't' was not declared in this scope
                 if(t == true) a = a.xor(bit);
                    ^
0_0_20650599_9375.cpp:28:37: error: expected unqualified-id before 'xor' token
                 if(t == true) a = a.xor(bit);
                                     ^
0_0_20650599_9375.cpp:28:41: error: 'bit' was not declared in this scope
                 if(t == true) a = a.xor(bit);
                                         ^
0_0_20650599_9375.cpp:30:13: error: 'System' was not declared in this scope
             System.out.print("Case "+ca+": ");
             ^
0_0_20650599_9375.cpp:30:41: error: invalid operands of types 'const char*' and 'const char [3]' to binary 'operator+'
             System.out.print("Case "+ca+": ");
                                         ^
0_0_20650599_9375.cpp:31:16: error: 'ok' was not declared in this scope
             if(ok == true) 
                ^


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