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Rope (data structure)
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=== Report === : ''Definition:'' <code>Report(i, j)</code>: output the string {{math|''C<sub>i</sub>'', β¦, ''C''<sub>''i'' + ''j'' β 1</sub>}}. : ''Time complexity:'' {{tmath|O(j + \log N)}} To report the string {{math|''C<sub>i</sub>'', β¦, ''C''<sub>''i'' + ''j'' β 1</sub>}}, find the node ''u'' that contains ''C<sub>i</sub>'' and {{code|1=weight(u) >= j}}, and then traverse ''T'' starting at node ''u''. Output {{math|''C<sub>i</sub>'', β¦, ''C''<sub>''i'' + ''j'' β 1</sub>}} by doing an [[in-order traversal]] of ''T'' starting at node ''u''.
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