cartoane.cpp: In function 'int taie(int, int)': cartoane.cpp:11: warning: unused variable 'aux' cartoane.cpp: In function 'int main()': cartoane.cpp:30: warning: unused variable 'n' cartoane.cpp:30: warning: unused variable 'k' cartoane.cpp:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cartoane.cpp:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result