View Compilation Error

919760_0_0_10764.cpp
919760_0_0_10764.cpp(3) : error C2146: 语法错误 : 缺少“;”(在标识符“namesapce”的前面)
919760_0_0_10764.cpp(3) : error C2501: “uisng” : 缺少存储类或类型说明符
919760_0_0_10764.cpp(3) : error C2146: 语法错误 : 缺少“;”(在标识符“std”的前面)
919760_0_0_10764.cpp(3) : error C2501: “namesapce” : 缺少存储类或类型说明符
919760_0_0_10764.cpp(3) : error C2501: “std” : 缺少存储类或类型说明符
919760_0_0_10764.cpp(3) : error C2086: “std” : 重定义
919760_0_0_10764.cpp(32) : error C2065: “cin” : 未声明的标识符
919760_0_0_10764.cpp(32) : fatal error C1903: 无法从以前的错误中恢复；正在停止编译