Compilare: user.cpp: In function 'void parc(int, int)': user.cpp:20: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int doit(int)': user.cpp:32: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:62: warning: comparison between signed and unsigned integer expressions user.cpp:75: warning: comparison between signed and unsigned integer expressions user.cpp:81: warning: comparison between signed and unsigned integer expressions user.cpp:87: warning: comparison between signed and unsigned integer expressions user.cpp:90: warning: comparison between signed and unsigned integer expressions user.cpp:93: warning: comparison between signed and unsigned integer expressions user.cpp:96: warning: comparison between signed and unsigned integer expressions user.cpp:102: warning: comparison between signed and unsigned integer expressions user.cpp:105: warning: comparison between signed and unsigned integer expressions user.cpp:108: warning: comparison between signed and unsigned integer expressions user.cpp:40: warning: 'a' may be used uninitialized in this function user.cpp:40: warning: 'b' may be used uninitialized in this function