Compilare: user.cpp: In function ‘bool OkCPP(uint64_t, int, int)’: user.cpp:28:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Fr.size()<P) return false; ^ user.cpp: In function ‘int main()’: user.cpp:99:22: warning: unused variable ‘found’ [-Wunused-variable] bool found=0,l=L-1,pr; ^ user.cpp:99:30: warning: unused variable ‘l’ [-Wunused-variable] bool found=0,l=L-1,pr; ^ user.cpp:99:36: warning: unused variable ‘pr’ [-Wunused-variable] bool found=0,l=L-1,pr; ^