Eroare de compilare: user.cpp: In function ‘int Search_In_Hash(int&, int&)’: user.cpp:24:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<H[val%MOD].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:49:28: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ X=1+Search_In_Hash(v[I]-(v[J]-v[I]),v[J]-v[I]); ^ user.cpp:21:5: error: in passing argument 1 of ‘int Search_In_Hash(int&, int&)’ int Search_In_Hash(int &val,int &ratio) ^ user.cpp:50:26: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ Add_To_Hash(v[I],v[J]-v[I],X); ^ user.cpp:28:6: error: in passing argument 2 of ‘void Add_To_Hash(int&, int&, int&)’ void Add_To_Hash(int &val,int &ratio,int &app) ^ user.cpp:35:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("progr2.in","r",stdin); ^ user.cpp:36:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("progr2.out","w",stdout); ^ user.cpp:38:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&T); ^ user.cpp:43:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&N); ^ user.cpp:45:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^