Compilare: main.cpp: In function 'void euler(int)': main.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | while(ultim[x] < v[x].size()){ | ~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 63 | if(ciclu.size() != m + 1){ | ~~~~~~~~~~~~~^~~~~~~~ main.cpp:70:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(int i = 0; i < ciclu.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~~