Compilare: main.cpp: In function 'int cb(int)': main.cpp:64:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 64 | return ans; | ^~~ main.cpp:55:9: note: 'ans' was declared here 55 | int ans; | ^~~ main.cpp: In function 'int main()': main.cpp:87:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 87 | upd(1, 1, m, poz, v[i].y); | ~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:55:9: note: 'ans' was declared here 55 | int ans; | ^~~