Compilare: main.cpp: In function 'void build_rmq(int)': main.cpp:137:23: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 137 | for (int i = 0; i < length; i++) { | ~~^~~~~~~~ main.cpp:141:30: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 141 | for (int i = 1; (1 << i) <= length; i++) { | ~~~~~~~~~^~~~~~~~~ main.cpp:143:34: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 143 | for (int k = 0; k + size <= length; k++) { | ~~~~~~~~~^~~~~~~~~