Compilare: main.cpp: In function 'bool cmp(ob, ob)': main.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type] 18 | } | ^ main.cpp: In function 'int main()': main.cpp:73:21: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] 73 | cout << vec[dr].val - vec[st].val << "\n"; | ~~~~~~~~^~~ main.cpp:73:35: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized] 73 | cout << vec[dr].val - vec[st].val << "\n"; | ~~~~~~~~^~~