57 lines
6.2 KiB
XML
57 lines
6.2 KiB
XML
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<title id="title">阶乘函数的递归调用和返回</title>
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<desc id="desc">根据教材扫描图人工重绘的矢量教学示意图。文字与线条可无损缩放。</desc>
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<text x="100.0" y="57.5" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">int main()</text>
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<text x="100.0" y="140.0" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32"></text>
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<text x="325.0" y="98.9" text-anchor="middle" dominant-baseline="central" font-size="23" fill="#193b32">f(n)</text>
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<text x="325.0" y="131.1" text-anchor="middle" dominant-baseline="central" font-size="23" fill="#193b32">3</text>
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<text x="590.0" y="57.5" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">int f()</text>
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<text x="590.0" y="125.3" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">[x]</text>
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<text x="590.0" y="154.7" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">[2]</text>
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<text x="815.0" y="98.9" text-anchor="middle" dominant-baseline="central" font-size="23" fill="#193b32">f(x−1)</text>
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<text x="815.0" y="131.1" text-anchor="middle" dominant-baseline="central" font-size="23" fill="#193b32">1</text>
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<rect x="190" y="350" width="160" height="55" rx="0" fill="#edf5ed" stroke="#417b63" stroke-width="2"/>
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<text x="270.0" y="377.5" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">int f()</text>
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<text x="270.0" y="445.3" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">[x]</text>
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<text x="270.0" y="474.7" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">[3]</text>
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<text x="495.0" y="418.9" text-anchor="middle" dominant-baseline="central" font-size="23" fill="#193b32">f(x−1)</text>
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<text x="495.0" y="451.1" text-anchor="middle" dominant-baseline="central" font-size="23" fill="#193b32">2</text>
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<text x="760.0" y="377.5" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">int f()</text>
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<text x="760.0" y="445.3" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">[x]</text>
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<text x="760.0" y="474.7" text-anchor="middle" dominant-baseline="central" font-size="21" fill="#193b32">[1]</text>
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<text x="897.5" y="435.0" text-anchor="middle" dominant-baseline="central" font-size="23" fill="#193b32">1</text>
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<text x="180" y="245.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">① 传参[3]</text>
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<text x="608" y="274.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">② 传参[2]</text>
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<text x="846" y="243.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">③ 传参[1]</text>
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<text x="940" y="297.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">④ 返回1</text>
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<text x="720" y="316.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">⑤ 返回2</text>
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<text x="440" y="215.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">⑥ 返回6</text>
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<text x="170" y="550.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">传参路径</text>
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<line x1="295" y1="550" x2="375" y2="550" stroke="#417b63" stroke-width="2" marker-end="url(#arrow)"/>
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<text x="435" y="550.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">返回路径</text>
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<text x="608" y="274.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">② 传参[2]</text>
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<text x="846" y="243.0" text-anchor="middle" dominant-baseline="central" font-size="20" fill="#193b32">③ 传参[1]</text>
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