Compilare: main.cpp: In function 'int max_xor(int)': main.cpp:48:41: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 48 | } else if(curr->f[(ok == 1 ? ok = 0 : ok = 1)] != NULL) { | ~~~^~~ main.cpp:48:50: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 48 | } else if(curr->f[(ok == 1 ? ok = 0 : ok = 1)] != NULL) { | ~~~^~~ main.cpp: In function 'int main()': main.cpp:92:39: warning: 'r' may be used uninitialized [-Wmaybe-uninitialized] 92 | cout << ans << " " << l << " " << r; | ^ main.cpp:70:21: note: 'r' was declared here 70 | int ans = 0, l, r; | ^ main.cpp:92:32: warning: 'l' may be used uninitialized [-Wmaybe-uninitialized] 92 | cout << ans << " " << l << " " << r; | ^~~ main.cpp:70:18: note: 'l' was declared here 70 | int ans = 0, l, r; | ^