Compilare: main.cpp: In function 'int main()': main.cpp:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(int i = 0; i < euler.size() - 1; i ++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:74:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int j = 0; j < answer[i].size(); j ++) | ~~^~~~~~~~~~~~~~~~~~