0_0_35530941_9693.cpp:29:24: error: 'in' has not been declared
void build(int l,int r,in
^
0_0_35530941_9693.cpp:29:24: error: expected ',' or '...' at end of input
0_0_35530941_9693.cpp:29:24: error: expected ')' at end of input
0_0_35530941_9693.cpp:29:24: error: expected initializer at end of input
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