ordonare.cpp: In function `int cmp(char*, char*)': ordonare.cpp:7: warning: unused variable `int j' ordonare.cpp: In function `int main()': ordonare.cpp:30: warning: char format, different type arg (arg 2) /tmp/ccmUXlZn.o(.text+0xe3): In function `main': : the `gets' function is dangerous and should not be used.