cartite.cpp: In function `int bule()': cartite.cpp:20: warning: unused variable `int j' cartite.cpp:32: warning: no return statement in function returning non-void cartite.cpp: In function `void gen(int)': cartite.cpp:108: warning: unused variable `bool ok' cartite.cpp: In function `int main()': cartite.cpp:143: warning: unused variable `int i' cartite.cpp: In function `int bule()': cartite.cpp:32: warning: control reaches end of non-void function