Compilare: main.cpp: In function 'int main()': main.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(int i=0;i<strlen(s);i++) | ~^~~~~~~~~~ main.cpp: In function 'long long int pow(long long int, long long int)': main.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type] 14 | } | ^