Compilare: main.cpp: In function 'int main()': main.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=0; i<strlen(s); i++) | ~^~~~~~~~~~ main.cpp:14:25: warning: unused variable 'ok' [-Wunused-variable] 14 | int ctLit=0,ctcuv=0,ok=1,pozi; | ^~ main.cpp:14:30: warning: unused variable 'pozi' [-Wunused-variable] 14 | int ctLit=0,ctcuv=0,ok=1,pozi; | ^~~~