Compilare: main.cpp: In function 'int main()': main.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(int i=0 ; i<strlen(caracter) ; i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:55:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 55 | if(i!=strlen(caracter)-1) | ~^~~~~~~~~~~~~~~~~~~~