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View Compilation Error

0_0_39561677_26299.cpp: In function 'void smiling::dfs(int)':
0_0_39561677_26299.cpp:125:17: error: 'calc' was not declared in this scope; did you mean 'calloc'?
  125 |                 calc(x);
      |                 ^~~~
      |                 calloc
0_0_39561677_26299.cpp:130:25: error: 'getrt' was not declared in this scope
  130 |                         getrt(y,0,sz[y]);
      |                         ^~~~~
0_0_39561677_26299.cpp: In function 'int smiling::main()':
0_0_39561677_26299.cpp:171:25: error: 'getrt' was not declared in this scope
  171 |                         getrt(1,0,n);
      |                         ^~~~~


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