View Compilation Error

0_0_39393054_19853.cpp
0_0_39393054_19853.cpp(33) : error C2065: “index”: 未声明的标识符
0_0_39393054_19853.cpp(36) : error C2065: “currentNode”: 未声明的标识符
0_0_39393054_19853.cpp(40) : error C2065: “currentNode”: 未声明的标识符
0_0_39393054_19853.cpp(43) : error C2065: “currentNode”: 未声明的标识符
0_0_39393054_19853.cpp(43) : error C2228: “.size”的左边必须有类/结构/联合
0_0_39393054_19853.cpp(44) : error C2065: “currentNode”: 未声明的标识符
0_0_39393054_19853.cpp(53) : error C2059: 语法错误:“return”
0_0_39393054_19853.cpp(54) : error C2059: 语法错误:“}”
0_0_39393054_19853.cpp(54) : error C2143: 语法错误 : 缺少“;”(在“}”的前面)