Compilare: main.cpp: In function 'int main()': main.cpp:29:15: warning: unused variable 'du1' [-Wunused-variable] long long du1 = d1; ^~~ main.cpp:30:15: warning: unused variable 'du2' [-Wunused-variable] long long du2 = d2; ^~~ main.cpp:31:15: warning: unused variable 'du3' [-Wunused-variable] long long du3 = d3; ^~~ main.cpp:32:15: warning: unused variable 'du4' [-Wunused-variable] long long du4 = d4; ^~~ main.cpp:34:15: warning: unused variable 'dinit1' [-Wunused-variable] long long dinit1 = (d1 + 1) / 2; ^~~~~~ main.cpp:35:15: warning: unused variable 'dinit2' [-Wunused-variable] long long dinit2 = (d2 + 1) / 2; ^~~~~~ main.cpp:36:15: warning: unused variable 'dinit3' [-Wunused-variable] long long dinit3 = (d3 + 1) / 2; ^~~~~~ main.cpp:37:15: warning: unused variable 'dinit4' [-Wunused-variable] long long dinit4 = (d4 + 1) / 2; ^~~~~~