Compilare: main.cpp: In function 'void gen_ciur()': main.cpp:20:28: warning: comparison of integer expressions of different signedness: 'int' and 'const long long unsigned int' [-Wsign-compare] 20 | for(int j=2;i*j<=MAX;++j) | ~~~^~~~~ main.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'const long long unsigned int' [-Wsign-compare] 22 | for(int i=2;i<=MAX;++i) | ~^~~~~