View Compilation Error

0_0_9633396_1034.cpp: In function `char norm(char*)':
0_0_9633396_1034.cpp:13: error: invalid conversion from `char*' to `char'
0_0_9633396_1034.cpp: In function `int main()':
0_0_9633396_1034.cpp:20: error: invalid conversion from `char' to `const char*'
0_0_9633396_1034.cpp:20: error:   initializing argument 1 of `int strcmp(const char*, const char*)'
0_0_9633396_1034.cpp:20: error: invalid conversion from `char' to `const char*'
0_0_9633396_1034.cpp:20: error:   initializing argument 2 of `int strcmp(const char*, const char*)'