Here is the link on github: https:/
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Hey gusy here is my WSQ10
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Posted in Blogs, Syndicated, TC1014 Blogs
Mastery 10
Basic output (printing) and inpur (text based) in C++
The standard library defines a handful of stream objects that can be used to access what are considered the standard sources and destinations of characters by the environment where the program runs:
| stream | description |
|---|---|
cin |
standard input stream |
cout |
standard output stream |
cerr |
standard error (output) stream |
clog |
standard logging (output) stream |
Standard output (cout)
On most program environments, the standard output by default is the screen, and the C++ stream object defined to access it is cout.
For formatted output operations, cout is used together with the insertion operator, which is written as << (i.e., two “less than” signs).
cout << "Output sentence"; // prints Output sentence on screen
cout << 120; // prints number 120 on screen
cout << x; // prints the value of x on screen
Standard input (cin)
In most program environments, the standard input by default is the keyboard, and the C++ stream object defined to access it is cin.
For formatted input operations, cin is used together with the extraction operator, which is written as >> (i.e., two "greater than" signs). This operator is then followed by the variable where the extracted data is stored. For example:
int age;
cin >> age;Comments Off on Mastery 10
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Tagged #000000, #0000b0, #007000, #600030, #f0f0f0, #Mastery10, #TC1017
#TC1017 #WSQ13 Babylonian Method
#TC1017 #WSQ13 Babylonian Method
For this work I take reference the following link..
http:/
This link helped me to understand the procedure :D!!!
Here is to Github:
https:/
It’s not as complicated as it seems
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Tagged #000000, #222222, #Algoritmo, #TC1017, #WSQ13
#TC1017 #Mastery22 – When to use what type of repetition in a program
There are two approaches to writing repetitive algorithms.
1. Loops (Iteration)
2. Recursion.
Iteration: Use for loops, do..while, while loops.
Example: Factorial of a number
int factorial(int num)
{
int k=num;
while(num != 0)
{
k=k*(num-1);
num–;
}
return num;
}
—————————————————————————————————–
Recursion: Recursion is a repetitive process in which a function calls itself.
Limitations of Recursive Approach:
1. Recursive solutions may involve extensive overhead because they use function calls. Each function call requires push of return memory address, parameters, returned result,etc. and every function return requires that many pops.
2. Each time you call a function you use up some of your memory allocation may be in stack or heap. If there are large number of recursive calls – then you may run out of memory.
Example:
int factorial(int num)
{
if(num != 0)
{
num=num*factorial(num-1);
}
return num;
}
When to Use:
For large number of iterations, use loops(iterative approach).
For small number of iterations, use recursion.
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