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View Compilation Error

0_0_32860459_20062.cpp:1:12: error: 'x' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
            ^
0_0_32860459_20062.cpp:1:17: error: 'MAX' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
                 ^
0_0_32860459_20062.cpp:1:21: error: 'rt' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
                     ^
0_0_32860459_20062.cpp:1:38: error: 'x' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
                                      ^
0_0_32860459_20062.cpp:1:42: error: 'lson' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
                                          ^
0_0_32860459_20062.cpp:1:46: error: 'query' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
                                              ^
0_0_32860459_20062.cpp:1:56: error: 'x' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
                                                        ^
0_0_32860459_20062.cpp:1:60: error: 'rson' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
                                                            ^
0_0_32860459_20062.cpp:1:64: error: 'query' was not declared in this scope
 int ret = (x <= MAX[rt << 1] ? query(x , lson) : query(x , rson));//https://blog.csdn.net/synapse7/article/details/19415879
                                                                ^


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