Compilare: main.cpp: In function 'void getPos(int, int)': main.cpp:19:9: warning: unused variable 'aux' [-Wunused-variable] int aux=v; ^~~ main.cpp: In function 'int main()': main.cpp:77:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("z.in","r",stdin); ^ main.cpp:78:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("z.out","w",stdout); ^ main.cpp: In function 'void getValue(int, int, int)': main.cpp:47:13: warning: 'qed' may be used uninitialized in this function [-Wmaybe-uninitialized] int qed; ^~~