View Compilation Error

541225_0_0_6885\Main.java:1: 非法字符： \35
#include "iostream"
^
541225_0_0_6885\Main.java:2: 非法字符： \35
#include "cmath"
^
541225_0_0_6885\Main.java:21: 需要 "class" 或 "interface"
}
 ^
3 错误