0_0_8480490_13691.cpp:5: error: `iny' does not name a type
0_0_8480490_13691.cpp: In function `void build(int, int, int)':
0_0_8480490_13691.cpp:8: error: `node' undeclared (first use this function)
0_0_8480490_13691.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8480490_13691.cpp: In function `void update(int, int, int, int, int)':
0_0_8480490_13691.cpp:18: error: `node' undeclared (first use this function)
0_0_8480490_13691.cpp: In function `int query(int, int, int, int, int)':
0_0_8480490_13691.cpp:30: error: `node' undeclared (first use this function)
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