Compilare: main.cpp: In function 'void gen_ciur()': main.cpp:19:28: warning: comparison of integer expressions of different signedness: 'int' and 'const long long unsigned int' [-Wsign-compare] 19 | for(int j=2;i*j<=MAX;++j) | ~~~^~~~~ main.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'const long long unsigned int' [-Wsign-compare] 21 | for(int i=2;i<=MAX;++i) | ~^~~~~ main.cpp:22:18: warning: iteration 999998 invokes undefined behavior [-Waggressive-loop-optimizations] 22 | if(ciur[i]==0)prime[ind++]=i; | ~~~~~~^ main.cpp:21:18: note: within this loop 21 | for(int i=2;i<=MAX;++i) | ~^~~~~