Compilare: main.cpp: In function 'int lungime(std::vector<int>&, int)': main.cpp:10:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for (int i = 0; i < lung.size(); i++) { | ~~^~~~~~~~~~~~~ main.cpp:16:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for (int i = 0; i < lung.size(); i++) { | ~~^~~~~~~~~~~~~ main.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for (int i = 0; i < lung.size(); i++) { | ~~^~~~~~~~~~~~~