View Compilation Error

0_0_33355981_9086.cpp
0_0_33355981_9086.cpp(21) : error C3861: “swap”:  找不到标识符
0_0_33355981_9086.cpp(23) : error C3861: “swap”:  找不到标识符
0_0_33355981_9086.cpp(25) : error C3861: “swap”:  找不到标识符
0_0_33355981_9086.cpp(27) : error C3861: “swap”:  找不到标识符
0_0_33355981_9086.cpp(42) : error C2059: 语法错误:“return”
0_0_33355981_9086.cpp(44) : error C2059: 语法错误:“}”
0_0_33355981_9086.cpp(44) : error C2143: 语法错误 : 缺少“;”(在“}”的前面)