Compilare: main.cpp: In function 'int main()': main.cpp:43:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<d.size(); i++) ~^~~~~~~~~ main.cpp:45:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1; i<d.size(); i++){ ~^~~~~~~~~ main.cpp:72:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<d.size(); i++) ~^~~~~~~~~ main.cpp: In function 'int binarySearch(int*, int, int, int)': main.cpp:19:12: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^~~