Compilare: main.cpp: In function 'int solve(int)': main.cpp:29:5: warning: 'last_ans' may be used uninitialized in this function [-Wmaybe-uninitialized] 29 | if(last_ans != P) { | ^~ main.cpp:16:32: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] 16 | int st = 1, dr = 1e9, mid, last, last_ans; | ^~~~