0_0_19122823_24774.cpp: In function 'void PushUp(int)':
0_0_19122823_24774.cpp:31:38: error: expected ';' at end of input
tree[rt].rs+=tree[rt<<1].r
^
0_0_19122823_24774.cpp:31:38: error: expected '}' at end of input
0_0_19122823_24774.cpp:31:38: error: expected '}' at end of input
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