Compilare: user.cpp:8:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define VMAX 1<<20 ^ user.cpp:15:7: note: in expansion of macro ‘VMAX’ int S[VMAX + 3]; ^ user.cpp:8:15: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define VMAX 1<<20 ^ user.cpp:16:9: note: in expansion of macro ‘VMAX’ int cnt[VMAX + 3]; ^ user.cpp: In function ‘int Binary_Search()’: user.cpp:41:1: warning: control reaches end of non-void function [-Wreturn-type] } ^