1_556_320_467.cpp:27: error: `MAXN' was not declared in this scope
1_556_320_467.cpp:27: error: `MAXN' was not declared in this scope
1_556_320_467.cpp: In function `void lowbit(int)':
1_556_320_467.cpp:31: error: return-statement with a value, in function returning 'void'
1_556_320_467.cpp: In function `int query(int)':
1_556_320_467.cpp:38: error: `bit' undeclared (first use this function)
1_556_320_467.cpp:38: error: (Each undeclared identifier is reported only once for each function it appears in.)
1_556_320_467.cpp:38: error: void value not ignored as it ought to be
1_556_320_467.cpp:38: error: in evaluation of `operator-=(int, void)'
1_556_320_467.cpp: In function `void add(int, int)':
1_556_320_467.cpp:46: error: `bit' undeclared (first use this function)
1_556_320_467.cpp:46: error: void value not ignored as it ought to be
1_556_320_467.cpp:46: error: in evaluation of `operator+=(int, void)'
1_556_320_467.cpp: In function `int main()':
1_556_320_467.cpp:52: error: `ios' has not been declared
1_556_320_467.cpp:52: error: `sync_with_stdio' undeclared (first use this function)
1_556_320_467.cpp:54: error: `cin' undeclared (first use this function)
1_556_320_467.cpp:57: error: `bit' undeclared (first use this function)
1_556_320_467.cpp:60: error: `a' undeclared (first use this function)
1_556_320_467.cpp:69: error: `cout' undeclared (first use this function)
1_556_320_467.cpp:69: error: `endl' undeclared (first use this function)
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