Compilare: user.cpp: In function ‘void ciclu(int)’: user.cpp:32:32: warning: unused variable ‘cap’ [-Wunused-variable] int nrMuchie,nodCurent,fiu,cap; ^ user.cpp: In function ‘int main()’: user.cpp:65:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sol.size()==N+1) ^ user.cpp:68:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<sol.size()-1; i++) ^ user.cpp: In function ‘int citire()’: user.cpp:14:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&N); ^ user.cpp:17:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&aux1,&aux2); ^ user.cpp: In function ‘int main()’: user.cpp:59:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("domino.in","r",stdin); ^ user.cpp:60:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("domino.out","w",stdout); ^