Monday, April 19, 2010

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Print numbers and the squares

When we look at CYCLES programming in C, it is important to know how to use their structure to achieve what we want.

The wording of the exercise would the following:
Print a list of numbers from 1 to 100 each with its own square.
You know, working with loops can achieve the same result using different structures FOR, WHILE or DO WHILE + , one would have to be careful when writing the algorithm and various instructions to be used.

  # include \u0026lt;iostream.h>  

int a, b, c;

int main (void ) {

for (a = 1, at \u0026lt;= 100 , a + +) {

c = a * a;
court \u0026lt;\u0026lt; a \u0026lt;\u0026lt;"and its square is" \u0026lt;\u0026lt;c \u0026lt;\u0026lt;endl;}


system ("pause");
return 0;}
Personally I prefer to work using the command CYCLES FOR , but it's good to think about doing the same exercises through different directions and structures.

Sunday, April 18, 2010

Quo Reviews Cosmetics

Calculate Factorial of a Number Posted in C + +

Another common exercise in programming courses is to design a program that will calculate the factorial a number entered.

The statement is as follows:
Create a program that reads a number n and to calculate the factorial.
Well, here we go.

  # include \u0026lt;iostream.h>  

int a, b, factorial;

int main (void )

{court \u0026lt;\u0026lt;"This program will calculate the factorial of integer number type \\ nPlease enter number "\u0026lt;\u0026lt;endl;
cin>> a;
factorial = 1;
for (b = 1, b \u0026lt;= a, b + +) {
factorial
= b * factor;}


court \u0026lt;\u0026lt;"The factorial the number entered is "\u0026lt;\u0026lt;factorial \u0026lt;\u0026lt;endl;

system (" pause ");
return 0;}
As in our previous example of C program to perform power calculations is very important before the cycle to initialize the value of the cumulative multiplication with multiplication module, which is the one.
Without this small detail, the program would give you load with errors.

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Empowerment in C + +

If you are in school, college, or taking a course in programming in C + +, this year, if that is typical, although not required many instructions, it works perfect.

The statement would be this:
Read a data and store it in variable n , read other data and store it in variable x .
Calculate the value of x raised to the power n .
In other words, will the well-known program for the powers.
then develop it used a CYCLE FOR , but remember that these exercises cycles can be rewritten to conform to instructions and while and do while .

  # include \u0026lt;iostream.h>  

int base,potencia,ans,i;

int main ( void )
{
cout << "Por favor ingrese la base" <<endl;
cin >> base;
cout << "Por favor ingrese la potencia" <<endl;
cin >> potencia;
ans=1;
for (i=1 ; i<=potencia; i++)
{
ans=ans*base;
}
cout << "El resultado es " <<ans<<endl;
system("pause");
return 0;}
will notice that the key task is to assign a value for the variable ANS before the cycle, and as this is a multiplication exercise, we should build on the property modulated product, so the initial value is 1.