Compilare: main.cpp: In function 'int BinarySearch(int, int)': main.cpp:29:9: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] return pos; ^~~ main.cpp: In function 'int main()': main.cpp:50:33: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] update[j].push_back(make_pair(val, p)); ~~~~~~~~~^~~~~~~~