40 lines
3.9 KiB
XML
40 lines
3.9 KiB
XML
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 670 345" width="670" height="345"><title>树上点差分与子树累加</title><defs><marker id="a" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0 0L10 5L0 10Z" fill="#416687"/></marker></defs><rect width="100%" height="100%" fill="white"/><g font-family="Microsoft YaHei,Arial,sans-serif" fill="#263c52" stroke-linecap="round">
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<path d="M135.0 58.0L135.0 102.0" fill="none" stroke="#416687" stroke-width="2"/>
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<path d="M148.64357787514655 143.51628425912747L191.35642212485345 201.48371574087253" fill="none" stroke="#416687" stroke-width="2"/>
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<path d="M65.0 243.0L65.0 287.0" fill="none" stroke="#416687" stroke-width="2"/>
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<circle cx="135" cy="125" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="135" y="125" text-anchor="middle" dominant-baseline="central" font-size="19">LCA</text>
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<circle cx="65" cy="220" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<circle cx="205" cy="220" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<circle cx="65" cy="310" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="65" y="310" text-anchor="middle" dominant-baseline="central" font-size="19">u</text>
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<circle cx="205" cy="310" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="205" y="310" text-anchor="middle" dominant-baseline="central" font-size="19">v</text>
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<path d="M510.0 58.0L510.0 102.0" fill="none" stroke="#416687" stroke-width="2"/>
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<path d="M496.35642212485345 143.51628425912747L453.64357787514655 201.48371574087253" fill="none" stroke="#416687" stroke-width="2"/>
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<path d="M523.6435778751465 143.51628425912747L566.3564221248535 201.48371574087253" fill="none" stroke="#416687" stroke-width="2"/>
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<path d="M580.0 243.0L580.0 287.0" fill="none" stroke="#416687" stroke-width="2"/>
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<circle cx="510" cy="35" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="510" y="35" text-anchor="middle" dominant-baseline="central" font-size="19">0</text>
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<circle cx="510" cy="125" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="510" y="125" text-anchor="middle" dominant-baseline="central" font-size="19">1</text>
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<circle cx="440" cy="220" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="440" y="220" text-anchor="middle" dominant-baseline="central" font-size="19">1</text>
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<circle cx="580" cy="220" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="580" y="220" text-anchor="middle" dominant-baseline="central" font-size="19">1</text>
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<circle cx="440" cy="310" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="440" y="310" text-anchor="middle" dominant-baseline="central" font-size="19">1</text>
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<circle cx="580" cy="310" r="23" fill="white" stroke="#416687" stroke-width="2"/>
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<text x="580" y="310" text-anchor="middle" dominant-baseline="central" font-size="19">1</text>
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<text x="177" y="35" text-anchor="middle" dominant-baseline="central" font-size="18">−1</text>
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<text x="177" y="125" text-anchor="middle" dominant-baseline="central" font-size="18">−1</text>
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<text x="107" y="310" text-anchor="middle" dominant-baseline="central" font-size="18">+1</text>
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<text x="247" y="310" text-anchor="middle" dominant-baseline="central" font-size="18">+1</text>
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<path d="M290 175L350 175" fill="none" stroke="#416687" stroke-width="2" marker-end="url(#a)"/>
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<text x="598" y="35" text-anchor="middle" dominant-baseline="central" font-size="17">1 − 1 = 0</text>
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<text x="598" y="125" text-anchor="middle" dominant-baseline="central" font-size="17">1 + 1 − 1 = 1</text>
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</g></svg> |
