Compilare: main.cpp: In function 'int main()': main.cpp:132:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | for (int i = 0; i < muchii.size(); ++i) { | ~~^~~~~~~~~~~~~~~ main.cpp:140:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 140 | for (int i = pozE; i < muchii.size() - 1; i++) { muchii[i] = muchii[i + 1]; } | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:145:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 145 | for(int i = 0;i<muchii.size();i++) | ~^~~~~~~~~~~~~~ main.cpp:140:32: warning: 'pozE' may be used uninitialized in this function [-Wmaybe-uninitialized] 140 | for (int i = pozE; i < muchii.size() - 1; i++) { muchii[i] = muchii[i + 1]; } | ^