View Compilation Error

0_0_13336680_14274.cpp
0_0_13336680_14274.cpp(5) : error C2065: “cin”: 未声明的标识符
0_0_13336680_14274.cpp(7) : error C2143: 语法错误 : 缺少“}”(在“for”的前面)
0_0_13336680_14274.cpp(5) : error C3861: “scanf”:  找不到标识符
0_0_13336680_14274.cpp(7) : error C2143: 语法错误 : 缺少“)”(在“for”的前面)
0_0_13336680_14274.cpp(28) : error C2065: “cout”: 未声明的标识符
0_0_13336680_14274.cpp(31) : error C2059: 语法错误:“return”
0_0_13336680_14274.cpp(32) : error C2059: 语法错误:“}”
0_0_13336680_14274.cpp(32) : error C2143: 语法错误 : 缺少“;”(在“}”的前面)