Borderou de evaluare (job #703324)

Compilare: main.cpp: In function 'int main()': main.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 32 | for (int i = 0; i < prime.size() - 1 && prime[i] * prime[i] * prime[i] * prime[i] <= n; i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:35:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 35 | for (int j = i + 1; j < prime.size() && prime[i] * prime[j]* prime[i] * prime[j]<=n; j++) | ~~^~~~~~~~~~~~~~ main.cpp:30:9: warning: variable 'val' set but not used [-Wunused-but-set-variable] 30 | int val=0; | ^~~