Compilare: user.cpp: In function ‘int NON(int)’: user.cpp:19:9: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false [-Wstrict-overflow] for(i=3; i<a; i+=2) ^ user.cpp:31:9: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false [-Wstrict-overflow] for(i=3; i<=a; i+=2) ^