Compilare: user.cpp: In function ‘void BuildFactors()’: user.cpp:25:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define SZ size() ^ user.cpp:66:25: note: in expansion of macro ‘SZ’ while (iPrime < primes.SZ && aux > 1) ^ user.cpp:19:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define FORN(i, n) for(int i = 0; i < (n); ++i) ^ user.cpp:80:2: note: in expansion of macro ‘FORN’ FORN(i, factors.SZ) ^ user.cpp: In function ‘std::pair<long long int, long long int> Solve()’: user.cpp:19:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define FORN(i, n) for(int i = 0; i < (n); ++i) ^ user.cpp:91:2: note: in expansion of macro ‘FORN’ FORN(i, factors.SZ) nSol *= (2*factors[i].Y + 1); ^ user.cpp:19:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define FORN(i, n) for(int i = 0; i < (n); ++i) ^ user.cpp:98:3: note: in expansion of macro ‘FORN’ FORN(j, factors.SZ) ^