0_0_27908315_10256.cpp: In function 'int getseg(int, int)':
0_0_27908315_10256.cpp:90:12: error: 'splay' was not declared in this scope
splay(r);
^
0_0_27908315_10256.cpp: In function 'int main()':
0_0_27908315_10256.cpp:114:30: error: 'cut' was not declared in this scope
cut(L, R, idx);
^
0_0_27908315_10256.cpp:119:17: error: 'dfs' was not declared in this scope
dfs(root);
^
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