0_0_29489737_19836.cpp 0_0_29489737_19836.cpp(16) : error C2065: “minn”: 未声明的标识符 0_0_29489737_19836.cpp(18) : error C2065: “minn”: 未声明的标识符 0_0_29489737_19836.cpp(23) : error C2065: “minn”: 未声明的标识符