Compilare: main.cpp: In function 'int main()': main.cpp:23:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(j=0; j<v[a%prim].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:30:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(j=0; j<v[b%prim].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:41:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(j=0; j<v[r%prim].size(); j++) | ~^~~~~~~~~~~~~~~~~