Compilare: main.cpp: In function 'void comp(std::vector<int>&)': main.cpp:31:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for (int i = 1; i < copie.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:38:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int i = 0; i < v.size(); ++i) { | ~~^~~~~~~~~~ main.cpp: In function 'long long int calc(const std::vector<int>&, int, int)': main.cpp:51:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int dreapta = 0; dreapta < v.size(); ++dreapta) { | ~~~~~~~~^~~~~~~~~~