Compilare: main.cpp: In function 'int main()': main.cpp:17:9: warning: unused variable 'left' [-Wunused-variable] 17 | int left,right,mid,sol; | ^~~~ main.cpp:17:14: warning: unused variable 'right' [-Wunused-variable] 17 | int left,right,mid,sol; | ^~~~~ main.cpp:17:20: warning: unused variable 'mid' [-Wunused-variable] 17 | int left,right,mid,sol; | ^~~ main.cpp:17:24: warning: unused variable 'sol' [-Wunused-variable] 17 | int left,right,mid,sol; | ^~~ main.cpp:18:9: warning: unused variable 'n' [-Wunused-variable] 18 | int n,t,k; | ^ main.cpp:18:13: warning: variable 'k' set but not used [-Wunused-but-set-variable] 18 | int n,t,k; | ^