Compilare: main.cpp: In function 'i128 exp(i128, ull)': main.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'ull' {aka 'long long unsigned int'} [-Wsign-compare] 40 | for(int i = 0; i < e; i++){ | ~~^~~ main.cpp: In function 'int main()': main.cpp:118:20: warning: comparison of integer expressions of different signedness: 'std::stack<__int128>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 118 | while(s.size() > n) s.pop(); | ~~~~~~~~~^~~