Compilare: main.cpp: In function 'int main()': main.cpp:18:63: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] gcd = __gcd (rmq [k - 1][i][j], rmq [k - 1][i + 1 << (k - 1)][j]); ~~^~~ main.cpp:19:52: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] gcd = __gcd (gcd, rmq [k - 1][i][j + 1 << (k - 1)]); ~~^~~ main.cpp:20:49: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] gcd = __gcd (gcd, rmq [k - 1][i + 1 << (k - 1)][j + 1 << (k - 1)]); ~~^~~ main.cpp:20:67: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] gcd = __gcd (gcd, rmq [k - 1][i + 1 << (k - 1)][j + 1 << (k - 1)]); ~~^~~