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:76: warning: comparison between signed and unsigned integer expressions user.cpp:82: warning: comparison between signed and unsigned integer expressions user.cpp:88: warning: comparison between signed and unsigned integer expressions user.cpp:91: warning: comparison between signed and unsigned integer expressions user.cpp:94: warning: comparison between signed and unsigned integer expressions user.cpp:97: warning: comparison between signed and unsigned integer expressions user.cpp:103: warning: comparison between signed and unsigned integer expressions user.cpp:106: warning: comparison between signed and unsigned integer expressions user.cpp:109: 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