Compilare: main.cpp: In function 'long long int sums(long long int, const std::vector<int>&)': main.cpp:37:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int i = 0, j = 0; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:78:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (int i = 0, j = 0; i < v.size(); i++) { | ~~^~~~~~~~~~