0_0_21532604_12185.cpp 0_0_21532604_12185.cpp(14) : error C3861: “max”: 找不到标识符 0_0_21532604_12185.cpp(32) : error C2065: “cout”: 未声明的标识符 0_0_21532604_12185.cpp(32) : error C2065: “endl”: 未声明的标识符