Compilare: main.cpp: In function 'void rmq()': main.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 1; i <= n; i++) ~~^~~~ main.cpp:26:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = 1; j <= n; j++) ~~^~~~ main.cpp:35:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 1; i + (1 << k) <= n + 1; i++) ~~~~~~~~~~~~~^~~~~~~~ main.cpp:37:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = 1; j + (1 << j) <= n + 1; j++) ~~~~~~~~~~~~~^~~~~~~~ main.cpp:21:9: warning: iteration 503 invokes undefined behavior [-Waggressive-loop-optimizations] lg[i] = lg[i / 2] + 1; ~~~~~~^~~~~~~~~~~~~~~ main.cpp:19:23: note: within this loop for (size_t i = 2; i <= 505; i++) ~~^~~~~~