Compilare: main.cpp: In function 'int main()': main.cpp:70:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(int i=1; i<needB.size(); i++) | ~^~~~~~~~~~~~~ main.cpp:72:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | while(idx<putA.size() && needB[i]>=putA[idx]) | ~~~^~~~~~~~~~~~ main.cpp:142:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 142 | for(int i=1; i<needA.size(); i++) | ~^~~~~~~~~~~~~ main.cpp:144:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 144 | while(idx<putB.size() && needA[i]>putB[idx]) | ~~~^~~~~~~~~~~~