Compilare: main.cpp: In function 'std::vector<int> query(int, int, int, int)': main.cpp:65:14: warning: variable 'ok' set but not used [-Wunused-but-set-variable] 65 | bool ok=0; | ^~ main.cpp: In function 'int main()': main.cpp:97:19: warning: iteration 5 invokes undefined behavior [-Waggressive-loop-optimizations] 97 | val[i]=0; | ~~~~~~^~ main.cpp:96:22: note: within this loop 96 | for(int i=0;i<=5;i++) | ~^~~ main.cpp:97:18: warning: array subscript 5 is above array bounds of 'int [5]' [-Warray-bounds] 97 | val[i]=0; | ~~~~~^ main.cpp:95:13: note: while referencing 'val' 95 | int val[5]; | ^~~