Compilare: main.cpp: In function 'int main()': main.cpp:59:34: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 59 | if (positions.size() == t) { | ~~~~~~~~~~~~~~~~~^~~~ main.cpp:49:9: warning: variable 'start' set but not used [-Wunused-but-set-variable] 49 | int start = 0; | ^~~~~ main.cpp:50:9: warning: variable 'end' set but not used [-Wunused-but-set-variable] 50 | int end = 0; | ^~~