Compilare: user.cpp: In function ‘bool solve_priority_3(char*, int&, int)’: user.cpp:50:22: warning: unused variable ‘cnt’ [-Wunused-variable] bool answer; int cnt = 0; ^ user.cpp: In function ‘int main()’: user.cpp:85:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( input_file, "%d", &T ); ^ user.cpp:89:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( input_file, "%s", A + 1 ); ^ user.cpp:90:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( input_file, "%s", B + 1 ); ^