Compilare: user.cpp: In function ‘void process(int)’: user.cpp:24: warning: comparison between signed and unsigned integer expressions user.cpp:41: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void process2(int)’: user.cpp:49: warning: comparison between signed and unsigned integer expressions user.cpp:51: warning: comparison between signed and unsigned integer expressions user.cpp:57: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:84: warning: comparison between signed and unsigned integer expressions user.cpp:110: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void process(int)’: user.cpp:21: warning: ‘mn’ may be used uninitialized in this function