Compilare: main.cpp: In function 'int main()': main.cpp:30:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (int i = 0; i < nums.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:37:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | if (num != next_num || i == nums.size() - 1) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:72:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for (int i = 0; i < nums.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:79:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | if (num != next_num || i == nums.size() - 1) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:82:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | if (i == nums.size() - 1) | ~~^~~~~~~~~~~~~~~~~~