Compilare: main.cpp: In function 'int main()': main.cpp:105:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | if (i == a.size() - 1 && j == b.size() - 1) | ~~^~~~~~~~~~~~~~~ main.cpp:105:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | if (i == a.size() - 1 && j == b.size() - 1) | ~~^~~~~~~~~~~~~~~ main.cpp:107:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | if (i < a.size() - 1) ++i; | ~~^~~~~~~~~~~~~~ main.cpp:108:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | if (j < b.size() - 1) ++j; | ~~^~~~~~~~~~~~~~