Compilare: main.cpp: In function 'std::vector<long long int> solve(std::vector<long long int>, std::vector<long long int>)': main.cpp:24:18: 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] 24 | for(int i=1;i<a.size();i++) | ~^~~~~~~~~ main.cpp:35:18: 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] 35 | for(int i=1;i<a.size();i++) | ~^~~~~~~~~ main.cpp:44:18: 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] 44 | for(int i=1;i<a.size();i++) | ~^~~~~~~~~ main.cpp:47:22: 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] 47 | for(int j=1;j<b.size();j++) | ~^~~~~~~~~ main.cpp:52:18: 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] 52 | for(int j=1;j<b.size();j++) | ~^~~~~~~~~ main.cpp:57:18: 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] 57 | for(int i=1;i<a.size();i++) | ~^~~~~~~~~