insule.cpp: In function `int main()': insule.cpp:34: warning: unused variable `int cntr' insule.cpp:35: warning: unused variable `int k' insule.cpp: In function `void lee_1()': insule.cpp:150: warning: unused variable `int v' insule.cpp: In function `void lee_2()': insule.cpp:185: warning: unused variable `int v' insule.cpp: In function `void lee_3()': insule.cpp:220: warning: unused variable `int v'