Compilare: main.cpp: In function 'int main()': main.cpp:127:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<newhelp>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for(int i = 1; i<newa.size(); i++){ | ~^~~~~~~~~~~~ main.cpp:128:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<newhelp>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 128 | for(int j = 1; j < newb.size(); j++){ | ~~^~~~~~~~~~~~~ main.cpp:130:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<newhelp>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 130 | if(i + 1 < newa.size()){ | ~~~~~~^~~~~~~~~~~~~ main.cpp:136:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<newhelp>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 136 | if(j + 1 < newb.size()){ | ~~~~~~^~~~~~~~~~~~~