0_0_17932589_14023.cpp: In function 'void update(int, int, int, int, int)': 0_0_17932589_14023.cpp:38:26: error: 'ls' was not declared in this scope if(p<=m)update(p,add,ls ^ 0_0_17932589_14023.cpp:38:26: error: expected '}' at end of input