Compilare: main.cpp: In function 'int main()': main.cpp:22:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int j = 0; j< v[cheie].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:35:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(int j = 0; j< v[cheie].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:48:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(j = 0; j<v[cheie].size(); j++) | ~^~~~~~~~~~~~~~~~ main.cpp:13:15: warning: unused variable 'k' [-Wunused-variable] 13 | int n,i,j,k,tip,nr,ok,cheie; | ^