Compilare: main.cpp: In function 'int main()': main.cpp:63:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:71:55: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(int it = v[a[last]].poz + 1 ; it < b.size(); it++) | ~~~^~~~~~~~~~ main.cpp:85:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:100:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for(int i = 0; i < a1.size(); i++) | ~~^~~~~~~~~~~