Compilare: main.cpp: In function 'int cb(int)': main.cpp:13:27: warning: unused variable 'pos' [-Wunused-variable] 13 | int l = 1, r = max_l, pos = 0; | ^~~ main.cpp: In function 'int main()': main.cpp:34:14: warning: iteration 200004 invokes undefined behavior [-Waggressive-loop-optimizations] 34 | f[i] = 0; | ~~~~~^~~ main.cpp:33:23: note: within this loop 33 | for (int i = 1; i <= N_MAX; i++) | ~~^~~~~~~~ main.cpp:34:14: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [800020, 800023] is out of the bounds [0, 800020] of object 'f' with type 'int [200005]' [-Warray-bounds] 34 | f[i] = 0; | ~~~~~^~~ main.cpp:10:47: note: 'f' declared here 10 | int n, a[N_MAX], max_l, st[N_MAX], dr[N_MAX], f[N_MAX]; | ^ main.cpp:34:14: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [800020, 800023] is out of the bounds [0, 800020] of object 'f' with type 'int [200005]' [-Warray-bounds] 34 | f[i] = 0; | ~~~~~^~~ main.cpp:10:47: note: 'f' declared here 10 | int n, a[N_MAX], max_l, st[N_MAX], dr[N_MAX], f[N_MAX]; | ^ main.cpp:34:14: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [800020, 800023] is out of the bounds [0, 800020] of object 'f' with type 'int [200005]' [-Warray-bounds] 34 | f[i] = 0; | ~~~~~^~~ main.cpp:10:47: note: 'f' declared here 10 | int n, a[N_MAX], max_l, st[N_MAX], dr[N_MAX], f[N_MAX]; | ^