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View Compilation Error

0_0_32870039_30783.cpp:12:9: error: expected unqualified-id before 'xor' token
     int xor;
         ^
0_0_32870039_30783.cpp: In function 'void push_down(int, int)':
0_0_32870039_30783.cpp:72:21: error: expected unqualified-id before 'xor' token
         tree[rt<<1].xor=tree[rt<<1|1].xor=0;
                     ^
0_0_32870039_30783.cpp:72:24: error: expected primary-expression before '=' token
         tree[rt<<1].xor=tree[rt<<1|1].xor=0;
                        ^
0_0_32870039_30783.cpp:72:39: error: expected unqualified-id before 'xor' token
         tree[rt<<1].xor=tree[rt<<1|1].xor=0;
                                       ^
0_0_32870039_30783.cpp:72:42: error: expected primary-expression before '=' token
         tree[rt<<1].xor=tree[rt<<1|1].xor=0;
                                          ^
0_0_32870039_30783.cpp:74:17: error: expected unqualified-id before 'xor' token
     if(tree[rt].xor)
                 ^
0_0_32870039_30783.cpp:74:20: error: expected primary-expression before ')' token
     if(tree[rt].xor)
                    ^
0_0_32870039_30783.cpp:76:22: error: expected unqualified-id before 'xor' token
             tree[rt].xor=0;
                      ^
0_0_32870039_30783.cpp:76:25: error: expected primary-expression before '=' token
             tree[rt].xor=0;
                         ^
0_0_32870039_30783.cpp:77:25: error: expected unqualified-id before 'xor' token
             tree[rt<<1].xor^=1;
                         ^
0_0_32870039_30783.cpp:77:28: error: expected primary-expression before '^=' token
             tree[rt<<1].xor^=1;
                            ^
0_0_32870039_30783.cpp:78:27: error: expected unqualified-id before 'xor' token
             tree[rt<<1|1].xor^=1;
                           ^
0_0_32870039_30783.cpp:78:30: error: expected primary-expression before '^=' token
             tree[rt<<1|1].xor^=1;
                              ^
0_0_32870039_30783.cpp: In function 'void build(int, int, int)':
0_0_32870039_30783.cpp:108:14: error: expected unqualified-id before 'xor' token
     tree[rt].xor=0;
              ^
0_0_32870039_30783.cpp:108:17: error: expected primary-expression before '=' token
     tree[rt].xor=0;
                 ^
0_0_32870039_30783.cpp: In function 'void update(int, int, int, int, int, int)':
0_0_32870039_30783.cpp:156:22: error: expected unqualified-id before 'xor' token
             tree[rt].xor=1;
                      ^
0_0_32870039_30783.cpp:156:25: error: expected primary-expression before '=' token
             tree[rt].xor=1;
                         ^


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