Eroare de compilare: user.cpp: In function ‘void PreProcess()’: user.cpp:50:31: error: ‘b’ was not declared in this scope int p = v[i].fi - b - A[j]; ^ user.cpp:47:13: warning: unused variable ‘ind’ [-Wunused-variable] int ind = B[v[i].ind]; ^ user.cpp: In function ‘int main()’: user.cpp:59:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("spectacole.in","r",stdin); ^ user.cpp:60:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("spectacole.out","w",stdout); ^