Compilare: main.cpp: In function 'void init_RMQ_fast()': main.cpp:94:80: warning: suggest parentheses around '&&' within '||' [-Wparentheses] int r = (i == 0 || A[lin[i]] > A[lin[i-1]] || A[lin[i]] == A[lin[i-1]] && lin[i] > lin[i-1]); ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:92:9: warning: unused variable 'c' [-Wunused-variable] int c = 0, mn = 1e9, p, id = 0; ^ main.cpp:92:26: warning: unused variable 'p' [-Wunused-variable] int c = 0, mn = 1e9, p, id = 0; ^