Compilare: main.cpp: In function 'long long int cnt(int, int, std::vector<int>, int*, int)': main.cpp:10:16: warning: unused variable 'left' [-Wunused-variable] 10 | long long int left {0}, right {0}, middle {0}, last {0}, ans {0}; | ^~~~ main.cpp:10:26: warning: unused variable 'right' [-Wunused-variable] 10 | long long int left {0}, right {0}, middle {0}, last {0}, ans {0}; | ^~~~~ main.cpp:10:37: warning: unused variable 'middle' [-Wunused-variable] 10 | long long int left {0}, right {0}, middle {0}, last {0}, ans {0}; | ^~~~~~ main.cpp:10:49: warning: unused variable 'last' [-Wunused-variable] 10 | long long int left {0}, right {0}, middle {0}, last {0}, ans {0}; | ^~~~