Compilare: user.cpp: In function ‘int main()’: user.cpp:25:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (cauta(x)!=V[x%MOD].size()){ ^ user.cpp: In function ‘void add(int)’: user.cpp:37:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (cauta(x)==V[lista].size()){ ^ user.cpp: In function ‘void sterge(int)’: user.cpp:44:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (V[lista].size()!=cauta(x)){ ^ user.cpp: In function ‘int cauta(int)’: user.cpp:51:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<V[lista].size();i++){ ^ user.cpp: In function ‘int main()’: user.cpp:13:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hashuri.in","r",stdin); ^ user.cpp:14:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hashuri.out","w",stdout); ^ user.cpp:15:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:17:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&op,&x); ^