aranjare.cpp: In function `int main()': aranjare.cpp:7: warning: unused variable `int loc' aranjare.cpp:7: warning: unused variable `int r' aranjare.cpp:7: warning: `int j' might be used uninitialized in this function /tmp/ccUEGEL3.o(.text+0x58): In function `main': : the `gets' function is dangerous and should not be used.