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View Compilation Error

0_0_34087371_8499.cpp: In member function 'void Splay::rotate(int)':
0_0_34087371_8499.cpp:57:9: error: expected ';' before 'int'
         int k = (tree[fa].ch[1] == x);
         ^
0_0_34087371_8499.cpp:61:21: error: 'k' was not declared in this scope
         tree[fa].ch[k]  = tree[x].ch[k^1];
                     ^


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