Compilare: main.cpp: In function 'int main()': main.cpp:38:17: warning: unused variable 'epsilon' [-Wunused-variable] long double epsilon=0.000001; ^~~~~~~ main.cpp:48:14: warning: 'tl' may be used uninitialized in this function [-Wmaybe-uninitialized] tl=tl-v[i].k+v[i].q; ~~^~~~~~~ main.cpp:47:14: warning: 'cx' may be used uninitialized in this function [-Wmaybe-uninitialized] cx=cx-v[i].a+v[i].b; ~~^~~~~~~