Compilare: main.cpp: In function 'int main()': main.cpp:30:18: warning: iteration 1000000 invokes undefined behavior [-Waggressive-loop-optimizations] 30 | if(ciur[i] == 0){ | ~~~~~~^ main.cpp:29:18: note: within this loop 29 | for(i = 2; i <= N; i++){ | ~~^~~~ main.cpp:39:22: warning: iteration 1000001 invokes undefined behavior [-Waggressive-loop-optimizations] 39 | if(ciur[j] == i){ | ~~~~~~^ main.cpp:38:22: note: within this loop 38 | for(j = 1; j <= N; j++){ | ~~^~~~