comp.cpp: In function 'int formare_numar(char&)': comp.cpp:15: warning: array subscript has type 'char' comp.cpp:13: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result comp.cpp:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result comp.cpp: In function 'int main()': comp.cpp:54: warning: suggest parentheses around '&&' within '||' comp.cpp:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result comp.cpp:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result comp.cpp:52: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result comp.cpp:31: warning: 'semn' may be used uninitialized in this function