char.cpp: In function 'int main()': char.cpp:33: warning: array subscript has type 'char' char.cpp:34: warning: array subscript has type 'char' char.cpp:50: warning: array subscript has type 'char' char.cpp:52: warning: array subscript has type 'char' char.cpp:55: warning: array subscript has type 'char' char.cpp:56: warning: array subscript has type 'char' char.cpp:26: warning: unused variable 'h2' char.cpp:26: warning: unused variable 'c' char.cpp:26: warning: unused variable 'cmax' char.cpp:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result char.cpp:25: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result char.cpp:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result char.cpp:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result char.cpp:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result char.cpp:44: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result char.cpp:27: warning: 'rett' may be used uninitialized in this function