chibrituri.cpp: In function `int main()': chibrituri.cpp:12: warning: unused variable `int i' chibrituri.cpp:12: warning: `int hmin' might be used uninitialized in this function chibrituri.cpp:12: warning: `int mmin' might be used uninitialized in this function chibrituri.cpp:12: warning: `int hmax' might be used uninitialized in this function chibrituri.cpp:12: warning: `int mmax' might be used uninitialized in this function chibrituri.cpp: In function `int nrv(int)': chibrituri.cpp:50: warning: control reaches end of non-void function chibrituri.cpp: In function `int nro(int)': chibrituri.cpp:63: warning: control reaches end of non-void function