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algorithmique
cours
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0a96a074
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0a96a074
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3 years ago
by
orestis.malaspin
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tri piles ajouté manque calculatrice
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@@ -513,11 +513,74 @@ stack_pop();
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*
Oui-oui cela est une introduction au développement collaboratif (et
*
Oui-oui cela est une introduction au développement collaboratif (et
hippie).
hippie).
# Le tri à deux piles
# Le tri à deux piles
(1/N)
TODO
## Cas pratique

{width=70%}
# Le tri à deux piles (2/N)
## Exercice: formaliser l'algorithme
. . .
## Algorithme de tri nécessitant 2 piles (G, D)
Soit
`tab`
le tableau à trier:
```
C
Pour tous les i = 0 à N-1
Si tab[i] est plus petit que le sommet de G
empiler tab[i] sur G
sinon
dépiler G dans D
empiler tab[i] sur G
tab est trié dans G
```
# Le tri à deux piles (2/N)
## Exercice: trier le tableau `[2, 10, 5, 20, 15]`
```
C
```
# La calculatrice
# La calculatrice
TODO
## La notation infixe
```
C
2 * (3 + 2) - 4 = 6.
```
## La notation postfixe
```
C
2 3 2 + * 4 - = 6.
```
## Exercice: écrire `2 * 3 * 4 + 2` en notation `postfixe`
```
C
2 3 4 * * 2 + = (2 * (3 * 4)) + 2.
```
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