Compilare: main.cpp: In function 'int main()': main.cpp:80:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<puncte>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(int i = ult; i < st.size(); i++) | ~~^~~~~~~~~~~ main.cpp:99:18: warning: variable 'prev2' set but not used [-Wunused-but-set-variable] 99 | auto prev2 = spate(prev); ///prev2, prev, a | ^~~~~ main.cpp:100:18: warning: variable 'urm2' set but not used [-Wunused-but-set-variable] 100 | auto urm2 = fata(urm); ///a, urm, urm2 | ^~~~