View Compilation Error

0_0_30331940_9085.cpp: In function 'void Write(long long int)':
0_0_30331940_9085.cpp:55:16: error: 'write' was not declared in this scope
   write (x / 10);
                ^
0_0_30331940_9085.cpp: At global scope:
0_0_30331940_9085.cpp:58:10: error: '::main' must return 'int'
 int main()
          ^