kpal.cpp: In function `int main()': kpal.cpp:24: warning: unused variable `int st' kpal.cpp:24: warning: unused variable `int dr' kpal.cpp:33:1: warning: no newline at end of file /tmp/ccaHXh1f.o(.text+0xb6): In function `main': : the `gets' function is dangerous and should not be used.