D:\新建文件夹 (2)\1.c(54) : warning C4554: '<<' : check operator precedence for possible error; use parentheses to clarify precedence
D:\新建文件夹 (2)\1.c(54) : error C2297: '<<' : illegal, right operand has type 'char [2]'
D:\新建文件夹 (2)\1.c(54) : error C2065: 'endl' : undeclared identifier
D:\新建文件夹 (2)\1.c(64) : error C2297: '<<' : illegal, right operand has type 'char [5]'