0_0_13980629_18494.cpp 0_0_13980629_18494.cpp(33) : error C2065: “k”: 未声明的标识符 0_0_13980629_18494.cpp(35) : error C2065: “k”: 未声明的标识符 0_0_13980629_18494.cpp(35) : error C2660: “max”: 函数不接受 1 个参数