0_0_20966083_12716.cpp:1:1: error: 'import' does not name a type
import java.io.*;
^
0_0_20966083_12716.cpp:2:1: error: 'import' does not name a type
import java.util.*;
^
0_0_20966083_12716.cpp:3:1: error: 'import' does not name a type
import java.math.BigInteger;//声明BigInteger大数类
^
0_0_20966083_12716.cpp:4:1: error: 'import' does not name a type
import java.lang.*;
^
0_0_20966083_12716.cpp:5:1: error: expected unqualified-id before 'public'
public class Main
^
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