El bucle do-while de C++ s'utilitza per repetir una part del programa diverses vegades. Si el nombre d'iteracions no està fixat i heu d'executar el bucle almenys una vegada, es recomana utilitzar el bucle do-while.

El bucle do-while de C++ s'executa almenys una vegada perquè la condició es comprova després del cos del bucle.

 do{ //code to be executed }while(condition); 

Diagrama de flux:

Exemple de bucle do-while C++

Vegem un exemple senzill de bucle do-while en C++ per imprimir la taula de 1.

 #include using namespace std; int main() { int i = 1; do{ cout&lt; <i<<'
'; i++; } while (i <="10)" ; pre> <p>Output:</p> <pre> 1 2 3 4 5 6 7 8 9 10 </pre> <hr> <h2>C++ Nested do-while Loop</h2> <p>In C++, if you use do-while loop inside another do-while loop, it is known as nested do-while loop. The nested do-while loop is executed fully for each outer do-while loop.</p> <p>Let&apos;s see a simple example of nested do-while loop in C++.</p> <pre> #include using namespace std; int main() { int i = 1; do{ int j = 1; do{ cout&lt; <i<<'
'; j++; } while (j <="3)" ; i++; (i pre> <p>Output:</p> <pre> 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3 </pre> <hr> <h2>C++ Infinitive do-while Loop</h2> <p>In C++, if you pass <strong>true</strong> in the do-while loop, it will be infinitive do-while loop.</p> <pre> do{ //code to be executed }while(true); </pre> <hr> <h2>C++ Infinitive do-while Loop Example</h2> <pre> #include using namespace std; int main() { do{ cout&lt;<'infinitive do-while loop'; } while(true); < pre> <p>Output:</p> <pre> Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop ctrl+c </pre></'infinitive></pre></i<<'
';></pre></i<<'
';>

Bucle do-while anidat de C++

En C++, si feu servir el bucle do-while dins d'un altre bucle do-while, es coneix com a bucle do-while imbricat. El bucle do-while imbricat s'executa completament per a cada bucle do-while exterior.

Vegem un exemple senzill de bucle do-while imbricat en C++.

 #include using namespace std; int main() { int i = 1; do{ int j = 1; do{ cout&lt; <i<<\'
\'; j++; } while (j <="3)" ; i++; (i pre> <p>Output:</p> <pre> 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3 </pre> <hr> <h2>C++ Infinitive do-while Loop</h2> <p>In C++, if you pass <strong>true</strong> in the do-while loop, it will be infinitive do-while loop.</p> <pre> do{ //code to be executed }while(true); </pre> <hr> <h2>C++ Infinitive do-while Loop Example</h2> <pre> #include using namespace std; int main() { do{ cout&lt;<\'infinitive do-while loop\'; } while(true); < pre> <p>Output:</p> <pre> Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop ctrl+c </pre></\'infinitive></pre></i<<\'
\';>

C++ Infinitiu do-while Loop

En C++, si aproveu veritat en el bucle do-while, serà infinitiu do-while bucle.

 do{ //code to be executed }while(true); 

Exemple de bucle do-while infinitiu C++

 #include using namespace std; int main() { do{ cout&lt;<\'infinitive do-while loop\'; } while(true); < pre> <p>Output:</p> <pre> Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop Infinitive do-while Loop ctrl+c </pre></\'infinitive>