Compilare: main.cpp:5:15: warning: built-in function 'exp' declared as non-function [-Wbuiltin-declaration-mismatch] 5 | vector<int>nr,exp; | ^~~ main.cpp: In function 'int solve(int)': main.cpp:31:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(j=0;j<nr.size();j++){ | ~^~~~~~~~~~