Compilare: main.cpp: In function 'std::pair<int, int> a(int, std::vector<int>)': main.cpp:18:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | while (start != v.size()) | ~~~~~~^~~~~~~~~~~ main.cpp:20:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | while (suma <= c && sfarsit != v.size()) | ~~~~~~~~^~~~~~~~~~~ main.cpp:26:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | while (suma > c && start != v.size()) | ~~~~~~^~~~~~~~~~~ main.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | if (sfarsit == v.size()) | ~~~~~~~~^~~~~~~~~~~