Compilare: user.cpp: In function 'int caut1(int, int)': user.cpp:27: warning: comparison between signed and unsigned integer expressions user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp:31: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int caut2(int, 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:53: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void sort2(int)': user.cpp:66: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:130: warning: comparison between signed and unsigned integer expressions