0_0_29858484_5920.cpp 0_0_29858484_5920.cpp(7) : error C2059: 语法错误:“数字上的错误后缀” 0_0_29858484_5920.cpp(7) : error C2146: 语法错误: 缺少“;”(在标识符“n”的前面) 0_0_29858484_5920.cpp(7) : error C2297: “%”: 非法,右操作数包含“double”类型