Compilare: main.cpp: In function 'int read_int()': main.cpp:59:21: warning: array subscript has type 'char' [-Wchar-subscripts] 59 | while(isDigit[c = read_char()]) | ~~^~~~~~~~~~~~~ main.cpp: In function 'void update(ll)': main.cpp:70:44: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] 70 | for(ll i = val; true; i += i ^ (i - 1) & i) | ~~~~~~~~^~~ main.cpp:73:25: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] 73 | if((i ^ (i - 1) & i) > INF - i) | ~~~~~~~~^~~