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View Compilation Error

0_0_32863520_14382.cpp:5:10: error: stray '\342' in program
          dfs(i,S∩A[i],sym*-1);
          ^
0_0_32863520_14382.cpp:5:10: error: stray '\210' in program
0_0_32863520_14382.cpp:5:10: error: stray '\251' in program
0_0_32863520_14382.cpp:1:13: error: 'set' has not been declared
 dfs(int beg,set S,int sym)
             ^
0_0_32863520_14382.cpp: In function 'int dfs(int, int, int)':
0_0_32863520_14382.cpp:3:6: error: 'ans' was not declared in this scope
      ans+=num(S)*sym;
      ^
0_0_32863520_14382.cpp:3:16: error: 'num' was not declared in this scope
      ans+=num(S)*sym;
                ^
0_0_32863520_14382.cpp:4:23: error: 'n' was not declared in this scope
      for(int i=beg;i<=n;i++)
                       ^
0_0_32863520_14382.cpp:5:20: error: expected ')' before 'A'
          dfs(i,S∩A[i],sym*-1);
                    ^
0_0_32863520_14382.cpp: At global scope:
0_0_32863520_14382.cpp:8:1: error: expected unqualified-id before 'for'
 for(int i=1;i<=n;i++)
 ^
0_0_32863520_14382.cpp:8:13: error: 'i' does not name a type
 for(int i=1;i<=n;i++)
             ^
0_0_32863520_14382.cpp:8:18: error: 'i' does not name a type
 for(int i=1;i<=n;i++)
                  ^


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