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View Compilation Error

0_0_39523791_15821.cpp: In function 'void dfs(int, int, int)':
0_0_39523791_15821.cpp:23:8: error: 'xx' was not declared in this scope; did you mean 'x'?
   23 |     if(xx==n+1)
      |        ^~
      |        x


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