Compilare: main.cpp: In function 'int main()': main.cpp:18:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i=0; i<strlen(s); i++) ///vedem frecventa caracterelor din s | ~^~~~~~~~~~ main.cpp:29:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int i=0; i<strlen(t); i++)///vedem frecventa caracterelor din t | ~^~~~~~~~~~