Compilare: main.cpp: In function 'int main()': main.cpp:15:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(long long i=0; i<strlen(t); i++) | ~^~~~~~~~~~ main.cpp:18:9: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 18 | if(l==strlen(t)) | ~^~~~~~~~~~~