Compilare: user.cpp: In function 'void read_gut(FILE*, gutuie*, long unsigned int)': user.cpp:30: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void set_prioritate(gutuie*, long unsigned int, long unsigned int, long unsigned int, long unsigned int*, long unsigned int*)': user.cpp:40: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void print_gutui(gutuie*, long unsigned int)': user.cpp:55: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void truncate(gutuie*, gutuie*, long unsigned int)': user.cpp:72: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void sum(gutuie*, long unsigned int)': user.cpp:79: warning: comparison between signed and unsigned integer expressions