Compilare: main.cpp: In constructor 'Segtree::Segtree(int*, int)': main.cpp:24:41: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 24 | Segtree(int* v, int _n) : n(1 << 32 - __builtin_clz(_n)) { | ~~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void Solve()': main.cpp:64:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 64 | auto [pos, val, sum] = S.query(k + 1); | ^