0_0_13279252_30032.cpp: In function 'int find(int)':
0_0_13279252_30032.cpp:12:5: error: 'father' was not declared in this scope
if(father[x]==-1) return x;
^
0_0_13279252_30032.cpp:13:10: error: 'father' was not declared in this scope
return (father[x] = find(father[x]));
^
0_0_13279252_30032.cpp: At global scope:
0_0_13279252_30032.cpp:49:1: error: expected unqualified-id before '--' token
----------------------------------------------------------------------------------
^
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