Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:24:33: error: ‘std::string’ has no member named ‘len’ for(long int j=0;j<temp.len;j++)if(temp[j]=='1') ^ user.cpp:27:37: error: ‘std::string’ has no member named ‘len’ long int pow=abs(j-temp.len+1); ^ user.cpp:26:27: warning: unused variable ‘ad’ [-Wunused-variable] long long int ad=1; ^ user.cpp:19:9: warning: unused variable ‘len’ [-Wunused-variable] int len=temp.length(); ^ user.cpp:14:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("kbiti.in","r",stdin); ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("kbiti.out","w",stdout); ^