For Loop in C++

For loop have three parts;

for (i= 1; i <= n; ++i)

loop initialization: e.g i=1;

loop condition: e.g i<=n;

loop increment/decrement: e.g i++;

Example of For loop

#include <iostream>
using namespace std;
int main()
{
int i, n;
int factorial= 1;
cout << "Enter a number: ";
cin >> n;
for (i= 1; i <= n; ++i) {
factorial*= i;
}
cout<< "Factorial of "<<n<<" = "<<factorial;
return 0;
}

#include <iostream>

using namespace std;

int main()

{

int i, n;

int factorial= 1;

cout << "Enter a number: ";

cin >> n;

for (i= 1; i <= n; ++i) {

factorial*= i;

}

cout<< "Factorial of "<<n<<" = "<<factorial;

return 0;

}

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For Loop in C++

For Loop in C++

Example of For loop

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