Compilare: user.cpp: In function ‘void Solve()’: user.cpp:61:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2;i<=n;i++) ^ user.cpp:78:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2;i<=n;i++) ^ user.cpp:53:9: warning: unused variable ‘prvVal’ [-Wunused-variable] LLU prvVal; ^ user.cpp: In function ‘void Read()’: user.cpp:28:66: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%llu %llu %llu %llu %llu", &n, &a1, &b1, &p, &q); ^