View Compilation Error

0_0_23954670_4107.cpp
0_0_23954670_4107.cpp(32) : error C2065: “vector”: 未声明的标识符
0_0_23954670_4107.cpp(32) : error C2062: 意外的类型“int” 
0_0_23954670_4107.cpp(36) : error C2065: “v1”: 未声明的标识符
0_0_23954670_4107.cpp(36) : error C2228: “.push_back”的左边必须有类/结构/联合
        类型是“unknown-type”
0_0_23954670_4107.cpp(39) : error C2065: “v1”: 未声明的标识符
0_0_23954670_4107.cpp(39) : error C2228: “.size”的左边必须有类/结构/联合
        类型是“unknown-type”
0_0_23954670_4107.cpp(41) : error C2065: “v1”: 未声明的标识符
0_0_23954670_4107.cpp(41) : error C2228: “.size”的左边必须有类/结构/联合
        类型是“unknown-type”
0_0_23954670_4107.cpp(42) : error C2065: “v1”: 未声明的标识符