View Compilation Error

0_0_28682163_8169.cpp:12:1: error: 'chae' does not name a type
 chae s[maxn];
 ^
0_0_28682163_8169.cpp: In function 'void get_next()':
0_0_28682163_8169.cpp:17:32: error: 's' was not declared in this scope
     for (int i = 0; i < strlen(s);)
                                ^
0_0_28682163_8169.cpp: In function 'int main()':
0_0_28682163_8169.cpp:31:21: error: 's' was not declared in this scope
         scanf("%s",&s);
                     ^