Compilare: user.cpp: In function ‘void Check(int, int)’: user.cpp:25:11: warning: variable ‘sol’ set but not used [-Wunused-but-set-variable] short sol[11]; ^ user.cpp: In function ‘int main()’: user.cpp:45:15: warning: unused variable ‘j’ [-Wunused-variable] int x,y,i,j,aux; ^ user.cpp:46:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(in); ^ user.cpp:47:17: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(out); ^ user.cpp:48:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:51:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^