Compilare: main.cpp: In function 'int cer_0(int)': main.cpp:24:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 24 | return ans; | ^~~ main.cpp:13:29: note: 'ans' was declared here 13 | int st = 0, dr = N - 1, ans; | ^~~ main.cpp: In function 'int cer_1(int)': main.cpp:38:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 38 | return ans; | ^~~ main.cpp:29:29: note: 'ans' was declared here 29 | int st = 0, dr = N - 1, ans; | ^~~ main.cpp: In function 'int cer_2(int)': main.cpp:51:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 51 | return ans; | ^~~ main.cpp:42:29: note: 'ans' was declared here 42 | int st = 0, dr = N - 1, ans; | ^~~ main.cpp: In function 'int main()': main.cpp:68:33: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 68 | fout << cer_0(x) << "\n"; | ^~~~ main.cpp:13:29: note: 'ans' was declared here 13 | int st = 0, dr = N - 1, ans; | ^~~