View Compilation Error

0_0_39285058_28682.cpp: In function 'int main(int, char**)':
0_0_39285058_28682.cpp:25:22: error: expected ';' before numeric constant
   25 |                 i++;3
      |                      ^
      |                      ;
   26 | 0.(4)
      | ~~                    
0_0_39285058_28682.cpp:32:25: error: 'b' was not declared in this scope
   32 |                         b=b*10+c[i]-'0';
      |                         ^
0_0_39285058_28682.cpp:33:25: error: 'bcf' was not declared in this scope; did you mean 'acf'?
   33 |                         bcf*=10;
      |                         ^~~
      |                         acf
0_0_39285058_28682.cpp:36:26: error: 'b' was not declared in this scope
   36 |                 if(a!=0&&b!=0){
      |                          ^
0_0_39285058_28682.cpp:37:30: error: 'bcf' was not declared in this scope; did you mean 'acf'?
   37 |                         z=a*(bcf-1)+b;
      |                              ^~~
      |                              acf
0_0_39285058_28682.cpp:43:35: error: 'bcf' was not declared in this scope; did you mean 'acf'?
   43 |                                 m=bcf-1;
      |                                   ^~~
      |                                   acf