View Compilation Error

0_0_38892803_27387.cpp: In function 'void init()':
0_0_38892803_27387.cpp:36:9: error: 'rt' was not declared in this scope; did you mean 'r'?
   36 |         rt=u=v=tot=ans=l=r=0;
      |         ^~
      |         r
0_0_38892803_27387.cpp:36:12: error: 'u' was not declared in this scope
   36 |         rt=u=v=tot=ans=l=r=0;
      |            ^
0_0_38892803_27387.cpp:36:14: error: 'v' was not declared in this scope
   36 |         rt=u=v=tot=ans=l=r=0;
      |              ^
0_0_38892803_27387.cpp:36:20: error: 'ans' was not declared in this scope; did you mean 'abs'?
   36 |         rt=u=v=tot=ans=l=r=0;
      |                    ^~~
      |                    abs
0_0_38892803_27387.cpp: In function 'int main()':
0_0_38892803_27387.cpp:51:54: error: 'w' was not declared in this scope
   51 |                         scanf("%s", str+len[i-1]+1); w[i]=read();
      |                                                      ^