0_0_33072074_31246.cpp:71:43: error: 'in' has not been declared
void update(int rt, int l, int r, int qx, in
^
0_0_33072074_31246.cpp:71:43: error: expected ',' or '...' at end of input
0_0_33072074_31246.cpp:71:43: error: expected ')' at end of input
0_0_33072074_31246.cpp:71:43: error: expected initializer at end of input
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