Compilare: user.cpp: In function ‘int main()’: user.cpp:46:55: warning: left shift count >= width of type [-Wshift-count-overflow] rez[c[i].y]=query(c[i].y)-query(b[c[i].y]-1)<<' '; ^~~ user.cpp:46:34: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] rez[c[i].y]=query(c[i].y)-query(b[c[i].y]-1)<<' '; ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~