Compilare: main.cpp: In function 'std::vector<long long int> z(std::string)': main.cpp:22:15: warning: unused variable 'curr' [-Wunused-variable] 22 | int n,i,j,curr,len; | ^~~~ main.cpp: In function 'int main()': main.cpp:69:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | if (r+pas<vals[i].size() && vals[i][r+pas]<st) | ~~~~~^~~~~~~~~~~~~~~ main.cpp:75:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | if (r<vals[i].size() && st<=vals[i][r] && vals[i][r]<=dr) { | ~^~~~~~~~~~~~~~~