Compilare: main.cpp: In function 'void add(std::vector<int>&, std::vector<int>)': main.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i = 0; i < a.size() || t != 0; i++) { | ~~^~~~~~~~~~ main.cpp:18:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | if(i >= a.size()) { | ~~^~~~~~~~~~~ main.cpp:23:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | if(i < b.size()) { | ~~^~~~~~~~~~