Compilare: main.cpp: In function 'int main()': main.cpp:96:15: warning: variable 'a' set but not used [-Wunused-but-set-variable] 96 | punct a = sol[ sol.size() - 1 ]; | ^ main.cpp:97:15: warning: variable 'b' set but not used [-Wunused-but-set-variable] 97 | punct b = sol[ 0 ]; | ^ main.cpp:105:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for(int i = 0; i < sol.size(); i++){ | ~~^~~~~~~~~~~~