Compilare: main.cpp: In function 'int main()': main.cpp:23:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 23 | if (poz[nr].size ()<=m) | ~~~~~~~~~~~~~~~^~~ main.cpp:25:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for (i=0; i<poz[nr].size (); i++) | ~^~~~~~~~~~~~~~~~ main.cpp:27:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for (j=i; j<poz[nr].size (); j++) | ~^~~~~~~~~~~~~~~~ main.cpp:38:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | if (j==poz[nr].size ()-1) | ~^~~~~~~~~~~~~~~~~~~