medii.cpp: In function `void back(int)': medii.cpp:29: warning: unused variable `int e' medii.cpp:30: warning: unused variable `int suma2' medii.cpp: In function `int main()': medii.cpp:52: warning: assignment to `int' from `float' medii.cpp:52: warning: argument to `int' from `float' medii.cpp:56:2: warning: no newline at end of file