View Compilation Error

0_0_32875249_7438.cpp: In function 'int main()':
0_0_32875249_7438.cpp:17:20: error: 'std::string' has no member named '_Equal'
   if (n && !albert._Equal("END")) {
                    ^
0_0_32875249_7438.cpp:23:35: error: 'size' was not declared in this scope
    for (int i = 0; i < size(albert); i++) {
                                   ^
0_0_32875249_7438.cpp:27:35: error: 'size' was not declared in this scope
    for (int j = 0; j < size(number); j++) {
                                   ^