cplusplus:control_structures_repetition_in_algorithms
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| cplusplus:control_structures_repetition_in_algorithms [2013/03/01 00:53] – mithat | cplusplus:control_structures_repetition_in_algorithms [2017/02/06 17:32] – mithat | ||
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| Line 2: | Line 2: | ||
| ~~NOTOC~~ | ~~NOTOC~~ | ||
| - | ====== Control Structures: Repetition in algorithms | + | ====== Control Structures: Repetition in Algorithms |
| Mithat Konar\\ | Mithat Konar\\ | ||
| - | 2013-02-03 | + | 2017-02-06 |
| ===== Introduction ===== | ===== Introduction ===== | ||
| + | * Counter control | ||
| + | * Sentinel/ | ||
| * Input validation | * Input validation | ||
| - | | + | * Menus |
| - | | + | |
| - | * Counter control | + | |
| * Iterators | * Iterators | ||
| - | ===== Input validation | + | ===== Counter-controlled repetition |
| - | * "Do not continue with program until user has entered valid data." | + | * "Repeat something a known number of times." |
| - | * Pseudo code:< | + | * Uses a counter variable. |
| - | While input value is not valid | + | |
| - | | + | While counter has not yet exceeded the STOP_VALUE |
| + | | ||
| + | Increment counter</ | ||
| - | ===== Sentinel/flag control ===== | + | ===== Sentinel control ===== |
| * **Sentinel**: | * **Sentinel**: | ||
| - | * Value(s) that indicate(s) a special condition; " | + | * Value(s) that indicate(s) a special condition---a " |
| - | * **Flag**: | + | |
| - | * Sometimes used as a synonym for sentinel | + | |
| - | * Sometimes means a sentinel that is a Boolean value | + | |
| ===== Sentinel-controlled repetition ===== | ===== Sentinel-controlled repetition ===== | ||
| Line 36: | Line 35: | ||
| Get input value</ | Get input value</ | ||
| * Input validation might be considered a special case of sentinel controlled repetition. | * Input validation might be considered a special case of sentinel controlled repetition. | ||
| + | * **Flag**: | ||
| + | * Sometimes used as a synonym for sentinel | ||
| + | * Sometimes means a sentinel that is a Boolean value | ||
| + | |||
| + | ===== Input validation ===== | ||
| + | * " | ||
| + | * Pseudo code:< | ||
| + | While input value is not valid | ||
| + | Get input value from user</ | ||
| ===== Menus ===== | ===== Menus ===== | ||
| Line 46: | Line 54: | ||
| Get menu choice from user</ | Get menu choice from user</ | ||
| - | ===== Counter-controlled repetition | + | ===== Iterators |
| - | * " | + | * Do something |
| - | * Uses a counter variable | + | * Pseudo code:< |
| - | * Pseudo code:< | + | Do something |
| - | While counter has not yet exceeded the STOP_VALUE | + | |
| - | Do something | + | |
| - | Increment counter</ | + | |
| - | |||
| - | ===== Iterators ===== | ||
| - | * Later | ||
cplusplus/control_structures_repetition_in_algorithms.txt · Last modified: 2020/02/10 21:45 by mithat