pointeur.svg
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---
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# Les pointeurs
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title: Les pointeurs
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---
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Les pointeurs avec une fonction.
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Les pointeurs avec une fonction.
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Solution plus efficace : on passe en paramètre deux pointeurs.
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Solution plus efficace : on passe en paramètre deux pointeurs.
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117
pointeur.svg
Normal file
117
pointeur.svg
Normal file
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<svg viewbox="0 0 300 330" width="300">
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<defs
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id="defs84">
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<marker
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style="overflow:visible;"
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id="Arrow1Send"
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refX="0.0"
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refY="0.0"
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orient="auto">
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<path
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transform="scale(0.2) rotate(180) translate(6,0)"
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style="fill-rule:evenodd;fill:context-stroke;stroke:context-stroke;stroke-width:1.0pt;"
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d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
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id="path4681" />
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</marker>
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<marker
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||||||
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style="overflow:visible"
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id="Arrow1Sstart"
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refX="0.0"
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refY="0.0"
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orient="auto">
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<path
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transform="scale(0.2) translate(6,0)"
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style="fill-rule:evenodd;fill:context-stroke;stroke:context-stroke;stroke-width:1.0pt"
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d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
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id="path4678" />
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</marker>
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<marker
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style="overflow:visible;"
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id="Arrow1Lend"
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refX="0.0"
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refY="0.0"
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orient="auto">
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<path
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transform="scale(0.8) rotate(180) translate(12.5,0)"
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style="fill-rule:evenodd;fill:context-stroke;stroke:context-stroke;stroke-width:1.0pt;"
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||||||
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d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
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id="path4669" />
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</marker>
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||||||
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<marker
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style="overflow:visible;"
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id="Arrow2Lend"
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refX="0.0"
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refY="0.0"
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orient="auto">
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<path
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transform="scale(1.1) rotate(180) translate(1,0)"
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d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.9730900,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
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style="fill-rule:evenodd;fill:context-stroke;stroke-width:0.62500000;stroke-linejoin:round;"
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id="path4687" />
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</marker>
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<style>
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.rect {
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fill: none;
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stroke: black;
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stroke-width: 1px;
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}
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.ligne {
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stroke: black;
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stroke-width: 0.5px;
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}
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text.address { font-size:11px; }
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.variable { fill: #ffcc44; }
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</style>
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</defs>
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<text x="0" y="0" class="address">
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<tspan x="0" y="14">10000</tspan>
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<tspan x="0" y="34">10001</tspan>
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<tspan x="0" y="54">10002</tspan>
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<tspan x="0" y="74">10003</tspan>
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<tspan x="0" y="94">10004</tspan>
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<tspan x="0" y="114">10005</tspan>
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<tspan x="0" y="134">10006</tspan>
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<tspan x="0" y="154">10007</tspan>
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<tspan x="0" y="174">10008</tspan>
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<tspan x="0" y="194">10009</tspan>
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<tspan x="0" y="214">10010</tspan>
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<tspan x="0" y="234">10011</tspan>
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<tspan x="0" y="254">10012</tspan>
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<tspan x="0" y="274">10013</tspan>
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<tspan x="0" y="294">10014</tspan>
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<tspan x="0" y="314">10015</tspan>
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</text>
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<rect x="40" y="60" width="90" height="80" class="variable"/>
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<text x="0" y="0">
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<tspan x="45" y="15">0000 1100</tspan>
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<tspan x="45" y="35">0100 0000</tspan>
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<tspan x="45" y="55">0000 0100</tspan>
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<tspan x="45" y="75">1100 1001</tspan>
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<tspan x="45" y="95">0110 1110</tspan>
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<tspan x="45" y="115">1110 0000</tspan>
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<tspan x="45" y="135">0000 0011</tspan>
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<tspan x="45" y="155">1100 0000</tspan>
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<tspan x="45" y="175">0010 0000</tspan>
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<tspan x="45" y="195">0000 0000</tspan>
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<tspan x="45" y="215">0000 1111</tspan>
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<tspan x="45" y="235">1001 0000</tspan>
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<tspan x="45" y="255">0000 0000</tspan>
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<tspan x="45" y="275">0000 0000</tspan>
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<tspan x="45" y="295">0110 0000</tspan>
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<tspan x="45" y="315">0000 0000</tspan>
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</text>
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<rect x="40" y="1" width="90" height="320" class="rect"/>
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<path d="M40,20h75 M40,40h75 M40,60h75 M40,80h75 M40,100h75 M40,120h75 M40,140h75 M40,160h75 M40,180h75 M40,200h75 M40,220h75 M40,240h75 M40,260h75 M40,280h75 M40,300h75" class="ligne"/>
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<path
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style="fill:none;stroke:#000;stroke-width:1.5px;stroke-opacity:1"
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d="M 118,60 c 8,0 8,4 8,20
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0,8 0,20 8,20
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-8,0 -8,10 -8,20
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0,16 0,20 -8,20" />
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<path
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style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#Arrow2Lend)"
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d="M 134.3373,22.772575 35.934705,64.97496"
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/>
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<text x="140" y="105">score</text>
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<text x="140" y="25">*pointeur</text>
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</svg>
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After Width: | Height: | Size: 4.1 KiB |
118
pointeurs.md
118
pointeurs.md
@@ -10,123 +10,7 @@ int score = 65040073;
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int *pointeur = &score;
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int *pointeur = &score;
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```
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```
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||||||
|
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||||||
<svg viewbox="0 0 300 330" width="300">
|
|
||||||
<defs
|
|
||||||
id="defs84">
|
|
||||||
<marker
|
|
||||||
style="overflow:visible;"
|
|
||||||
id="Arrow1Send"
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||||||
refX="0.0"
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refY="0.0"
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orient="auto">
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<path
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transform="scale(0.2) rotate(180) translate(6,0)"
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style="fill-rule:evenodd;fill:context-stroke;stroke:context-stroke;stroke-width:1.0pt;"
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||||||
d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
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||||||
id="path4681" />
|
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||||||
</marker>
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||||||
<marker
|
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||||||
style="overflow:visible"
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||||||
id="Arrow1Sstart"
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||||||
refX="0.0"
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refY="0.0"
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orient="auto">
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<path
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transform="scale(0.2) translate(6,0)"
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style="fill-rule:evenodd;fill:context-stroke;stroke:context-stroke;stroke-width:1.0pt"
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||||||
d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
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||||||
id="path4678" />
|
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||||||
</marker>
|
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||||||
<marker
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style="overflow:visible;"
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||||||
id="Arrow1Lend"
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refX="0.0"
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refY="0.0"
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orient="auto">
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<path
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transform="scale(0.8) rotate(180) translate(12.5,0)"
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style="fill-rule:evenodd;fill:context-stroke;stroke:context-stroke;stroke-width:1.0pt;"
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d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
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id="path4669" />
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</marker>
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<marker
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style="overflow:visible;"
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||||||
id="Arrow2Lend"
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refX="0.0"
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refY="0.0"
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orient="auto">
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<path
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transform="scale(1.1) rotate(180) translate(1,0)"
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d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.9730900,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
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style="fill-rule:evenodd;fill:context-stroke;stroke-width:0.62500000;stroke-linejoin:round;"
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id="path4687" />
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</marker>
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<style>
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.rect {
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||||||
fill: none;
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stroke: black;
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stroke-width: 1px;
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}
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.ligne {
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stroke: black;
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||||||
stroke-width: 0.5px;
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}
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text.address { font-size:11px; }
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.variable { fill: #ffcc44; }
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</style>
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</defs>
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<text x="0" y="0" class="address">
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<tspan x="0" y="14">10000</tspan>
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<tspan x="0" y="34">10001</tspan>
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<tspan x="0" y="54">10002</tspan>
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<tspan x="0" y="74">10003</tspan>
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<tspan x="0" y="94">10004</tspan>
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<tspan x="0" y="114">10005</tspan>
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<tspan x="0" y="134">10006</tspan>
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<tspan x="0" y="154">10007</tspan>
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<tspan x="0" y="174">10008</tspan>
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<tspan x="0" y="194">10009</tspan>
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<tspan x="0" y="214">10010</tspan>
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<tspan x="0" y="234">10011</tspan>
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<tspan x="0" y="254">10012</tspan>
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<tspan x="0" y="274">10013</tspan>
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<tspan x="0" y="294">10014</tspan>
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<tspan x="0" y="314">10015</tspan>
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</text>
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|
||||||
<rect x="40" y="60" width="90" height="80" class="variable"/>
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<text x="0" y="0">
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<tspan x="45" y="15">0000 1100</tspan>
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<tspan x="45" y="35">0100 0000</tspan>
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<tspan x="45" y="55">0000 0100</tspan>
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<tspan x="45" y="75">1100 1001</tspan>
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<tspan x="45" y="95">0110 1110</tspan>
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<tspan x="45" y="115">1110 0000</tspan>
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<tspan x="45" y="135">0000 0011</tspan>
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|
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<tspan x="45" y="155">1100 0000</tspan>
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|
||||||
<tspan x="45" y="175">0010 0000</tspan>
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|
||||||
<tspan x="45" y="195">0000 0000</tspan>
|
|
||||||
<tspan x="45" y="215">0000 1111</tspan>
|
|
||||||
<tspan x="45" y="235">1001 0000</tspan>
|
|
||||||
<tspan x="45" y="255">0000 0000</tspan>
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|
||||||
<tspan x="45" y="275">0000 0000</tspan>
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|
||||||
<tspan x="45" y="295">0110 0000</tspan>
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|
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<tspan x="45" y="315">0000 0000</tspan>
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|
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</text>
|
|
||||||
<rect x="40" y="1" width="90" height="320" class="rect"/>
|
|
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<path d="M40,20h75 M40,40h75 M40,60h75 M40,80h75 M40,100h75 M40,120h75 M40,140h75 M40,160h75 M40,180h75 M40,200h75 M40,220h75 M40,240h75 M40,260h75 M40,280h75 M40,300h75" class="ligne"/>
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|
||||||
<path
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|
||||||
style="fill:none;stroke:#000;stroke-width:1.5px;stroke-opacity:1"
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|
||||||
d="M 118,60 c 8,0 8,4 8,20
|
|
||||||
0,8 0,20 8,20
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||||||
-8,0 -8,10 -8,20
|
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||||||
0,16 0,20 -8,20" />
|
|
||||||
<path
|
|
||||||
style="fill:none;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;marker-end:url(#Arrow2Lend)"
|
|
||||||
d="M 134.3373,22.772575 35.934705,64.97496"
|
|
||||||
/>
|
|
||||||
<text x="140" y="105">score</text>
|
|
||||||
<text x="140" y="25">*pointeur</text>
|
|
||||||
</svg>
|
|
||||||
|
|
||||||
La déclaration d'un pointeur s'effectue en utilisant le symbole `*` appelé indirection.
|
La déclaration d'un pointeur s'effectue en utilisant le symbole `*` appelé indirection.
|
||||||
|
|
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|
|||||||
Reference in New Issue
Block a user