Common Use Cases of The For Loop in C++
The primary purpose of a for loop is to iterate a predetermined number of times, it's important to note that these loops serve a broader range of applications and they are, in fact, the most frequently used type of loops in programming. Some of their use cases include:
Iterating through arrays and collections;
Generating sequences of numbers;
Implementing repetitive algorithms;
Calculations and simulations.
Let's look at the simple examples of these use cases:
iterating.cpp
generating.cpp
implementing.cpp
calculations.cpp
#include <iostream> int main() { int numbers[5] = {1, 2, 3, 4, 5}; // Static array // Using a for loop to iterate through the static array for (int i = 0; i < 5; i++) { std::cout << numbers[i] << " "; } }
As you can see they are used for a wide range of applications, from processing data and performing calculations to controlling program flow and handling complex algorithms. So it's important to get good with them. Let's practice!
Swipe to start coding
Write a program that calculates the sum of the products of all integers from 5 to 10 using a for loop.
- Use a
forloop to iterate through the numbers from 5 to 10. - Check in condition for
forloop ifiis less or equals (<=) to 10. - Calculate the cumulative product of the numbers as you loop through them.
Solución
solution.cpp
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