Compilare: main.cpp: In function 'bool checker(std::vector<long long int>&, std::vector<long long int>&, long long int, int)': main.cpp:6:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i + length - 1 < v.size(); ++i) { ~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:9:27: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] int middle = left + right >> 1; ~~~~~^~~~~~~