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cplusplus:repetition_examples

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cplusplus:repetition_examples [2019/02/12 02:17] – [increment operator] mithatcplusplus:repetition_examples [2019/02/14 21:28] (current) – [Running total] mithat
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 ====== Control Structures: Repetition examples ====== ====== Control Structures: Repetition examples ======
  
-===== while =====+===== The while statement =====
  
 <file c++ simple_while.cpp>// This program counts to an upper limit <file c++ simple_while.cpp>// This program counts to an upper limit
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     cout << num << endl;     cout << num << endl;
     num++;     num++;
-    cout << num << endl; 
  
     return 0;     return 0;
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 </file> </file>
  
-===== Counter-controlled repetition =====+ 
 +===== Repetition code patterns ===== 
 + 
 +==== Counter-controlled repetition ====
 <file c++ counter-controlled-repetition.cpp>// This program counts to an upper limit <file c++ counter-controlled-repetition.cpp>// This program counts to an upper limit
 #include <iostream> #include <iostream>
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 { {
     const int UPPER_LIMIT = 5;     const int UPPER_LIMIT = 5;
-    int num = 1;+    int num = 1;                 // initialize the counter
  
-    while (num <= UPPER_LIMIT)+    while (num <= UPPER_LIMIT)   // test the count
     {     {
         cout << num << endl;         cout << num << endl;
-        num++;+        num++;                   // increment the counter
     }     }
  
     return 0;     return 0;
 }</file> }</file>
-===== Sentinel-controlled repetition =====+ 
 +==== Sentinel-controlled repetition ====
  
 <file c++ simple-sentinel.cpp>    // This program determines whether test scores are passing marks. <file c++ simple-sentinel.cpp>    // This program determines whether test scores are passing marks.
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 </file> </file>
  
-===== Input validation =====+==== Input validation ====
 <file c++ simple-input-validation.cpp>// Simple example of input validation. <file c++ simple-input-validation.cpp>// Simple example of input validation.
 #include <iostream> #include <iostream>
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 </file> </file>
  
-===== Running total =====+==== Running total ====
 <file c++ simple-running-total.cpp>// Simple running total example. <file c++ simple-running-total.cpp>// Simple running total example.
 // Total all the integers between a lower and an upper bound. // Total all the integers between a lower and an upper bound.
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     while (num <= UPPER_BOUND)     while (num <= UPPER_BOUND)
     {     {
-        sum += num;         // add the new value to the sum+        sum += num;         // add the new value to the accumulator
         num++;         num++;
     }     }
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 </file> </file>
-===== for =====+ 
 +===== The for statement =====
 <file c++ simple-for.cpp>// This program counts to an upper limit using a for structure. <file c++ simple-for.cpp>// This program counts to an upper limit using a for structure.
 #include <iostream> #include <iostream>
cplusplus/repetition_examples.1549937845.txt.gz · Last modified: 2019/02/12 02:17 by mithat
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