Compilare: main.cpp: In function 'int cautbin(int)': main.cpp:34:32: warning: variable 'ans' set but not used [-Wunused-but-set-variable] 34 | int st = 0, dr = n+1, mid, ans = -1; | ^~~ main.cpp:47:12: warning: 'mid' may be used uninitialized [-Wmaybe-uninitialized] 47 | return mid; | ^~~ main.cpp:34:27: note: 'mid' was declared here 34 | int st = 0, dr = n+1, mid, ans = -1; | ^~~