bila.cpp: In function 'int main()': bila.cpp:35: warning: array subscript has type 'char' bila.cpp:35: warning: array subscript has type 'char' bila.cpp:55: warning: comparison between signed and unsigned integer expressions bila.cpp:68: warning: comparison between signed and unsigned integer expressions bila.cpp:19: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result bila.cpp:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result