Compilare: main.cpp: In function 'int main()': main.cpp:89:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | if(i + 1 > I.size()) | ~~~~~~^~~~~~~~~~ main.cpp:93:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | if(i + 1 > O.size()) | ~~~~~~^~~~~~~~~~