Compilare: user.cpp: In function ‘int bune(int, int)’: user.cpp:9: warning: comparison between signed and unsigned integer expressions user.cpp:9: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void costuri(int, int, int)’: user.cpp:15: warning: comparison between signed and unsigned integer expressions user.cpp:22: warning: comparison between signed and unsigned integer expressions user.cpp:31: warning: comparison between signed and unsigned integer expressions user.cpp:14: warning: unused variable ‘d’ user.cpp: In function ‘void costu(int, int, int)’: user.cpp:50: warning: comparison between signed and unsigned integer expressions user.cpp:58: warning: comparison between signed and unsigned integer expressions user.cpp:42: warning: unused variable ‘d’ user.cpp: In function ‘int main()’: user.cpp:72: warning: comparison between signed and unsigned integer expressions user.cpp:73: warning: comparison between signed and unsigned integer expressions user.cpp:76: warning: comparison between signed and unsigned integer expressions