Compilare: main.cpp: In function 'std::vector<long long int> solve(std::vector<long long int>, std::vector<long long int>)': main.cpp:23:18: 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] 23 | for(int i=1;i<a.size();i++) | ~^~~~~~~~~ main.cpp:33:18: 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] 33 | for(int i=1;i<a.size();i++) | ~^~~~~~~~~ main.cpp:42:18: 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] 42 | for(int i=1;i<a.size();i++) | ~^~~~~~~~~ main.cpp:45:22: 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] 45 | for(int j=1;j<b.size();j++) | ~^~~~~~~~~ main.cpp:50:18: 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] 50 | for(int j=1;j<b.size();j++) | ~^~~~~~~~~ main.cpp:55:18: 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] 55 | for(int i=1;i<a.size();i++) | ~^~~~~~~~~