Compilare: user.cpp:82:14: warning: "/*" within comment user.cpp: In function ‘int main()’: user.cpp:27: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp: In function ‘int prod(int)’: user.cpp:64: warning: comparison between signed and unsigned integer expressions user.cpp:54: warning: unused variable ‘numar’ user.cpp: In function ‘void comp()’: user.cpp:100: warning: NULL used in arithmetic user.cpp:100: warning: NULL used in arithmetic user.cpp:113: warning: NULL used in arithmetic