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
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#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; } |