Compilare: user.cpp: In function ‘void sterge(int)’: user.cpp:13:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] FOR(i, 0, v[x % mod].size() - 1) ^ user.cpp:5:42: note: in definition of macro ‘FOR’ #define FOR(i, x, y) for(int i = x; i <= y; ++i) ^ user.cpp: In function ‘int gaseste(int)’: user.cpp:23:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] FOR(i, 0, v[x % mod].size() - 1) ^ user.cpp:5:42: note: in definition of macro ‘FOR’ #define FOR(i, x, y) for(int i = x; i <= y; ++i) ^