Compilare: main.cpp: In function 'int main()': main.cpp:187:7: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] 187 | dfs(mid, x, y, a, b); | ~~~^~~~~~~~~~~~~~~~~ main.cpp:187:7: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:178:14: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] 178 | s+=d[i].c-y; | ~~~~~~^~ main.cpp:174:14: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] 174 | s+=d[i].l-x; | ~~~~~~^~