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View Compilation Error

0_0_37305010_10363\Main.java:1: 错误: 非法字符: '#'
#include <stdio.h>        //可直接计算两个16进制数之和 
^
0_0_37305010_10363\Main.java:1: 错误: 需要class, interface或enum
#include <stdio.h>        //可直接计算两个16进制数之和 
         ^
0_0_37305010_10363\Main.java:4: 错误: 需要class, interface或enum
    while (scanf("%I64X %I64X", &a,&b)!=EOF) {
    ^
0_0_37305010_10363\Main.java:6: 错误: 需要class, interface或enum
    	if(sum>=0)              //用%I64X就可以对数据读入输出进行操作。  
    	^
0_0_37305010_10363\Main.java:8: 错误: 需要class, interface或enum
    	else                    //问题在于直接用%I64X,是不能输出负数的,所以我们碰到负数要自己转成正数,在前面加‘-’。 
    	^
0_0_37305010_10363\Main.java:10: 错误: 需要class, interface或enum
    }
    ^
0_0_37305010_10363\Main.java:12: 错误: 需要class, interface或enum
}
^
7 个错误


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