Compilare: main.cpp: In function 'bool check(long long unsigned int)': main.cpp:9:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long unsigned int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 9 | for(int i=0;i<divs.size() && divs[i]<=nr;i++) if(nr%divs[i]==0) return 0; | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 28 | for(int j=0,k=1;j<=p;) | ~^~~ main.cpp:30:13: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 30 | if(j==p) | ~^~~