Eroare de compilare: user.cpp:14:1: error: ‘unordered_map’ does not name a type unordered_map < long long, int > v; ^ user.cpp: In function ‘int calc(long long int)’: user.cpp:24:5: error: ‘v’ was not declared in this scope if(v[n]) ^ user.cpp:33:3: error: ‘v’ was not declared in this scope v[n]=sol; ^ user.cpp:39:2: error: ‘v’ was not declared in this scope v[n]=sol; ^ user.cpp: In function ‘int main()’: user.cpp:70:3: error: ‘v’ was not declared in this scope v.clear(); ^ user.cpp: In function ‘void citeste(long long int&)’: user.cpp:47:27: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin); ^ user.cpp:54:27: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin); ^ user.cpp: In function ‘int main()’: user.cpp:64:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ciuperci.in","r",stdin); ^ user.cpp:65:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ciuperci.out","w",stdout); ^