View Compilation Error

0_0_39117947_11296.cpp: In function 'int in()':
0_0_39117947_11296.cpp:32:5: error: 'G' was not declared in this scope
   32 |     G;while(*ip<'-')G;
      |     ^
0_0_39117947_11296.cpp:33:5: error: 'ri' was not declared in this scope; did you mean 'fi'?
   33 |     ri x=*ip&15;G;
      |     ^~
      |     fi
0_0_39117947_11296.cpp:34:20: error: 'x' was not declared in this scope
   34 |     while(*ip>'-'){x*=10;x+=*ip&15;G;}
      |                    ^
0_0_39117947_11296.cpp:35:12: error: 'x' was not declared in this scope
   35 |     return x;
      |            ^