給定數字 n,任務是計算數字的階乘。數字的階乘是透過將該數字與其最小或相等的整數值相乘來計算的。
階乘的計算方式為-
0! = 1 1! = 1 2! = 2X1 = 2 3! = 3X2X1 = 6 4! = 4X3X2X1= 24 5! = 5X4X3X2X1 = 120 . . . N! = n * (n-1) * (n-2) * . . . . . . . . . .*1
Input 1 -: n=5 Output : 120 Input 2 -: n=6 Output : 720
#有多種方法可以使用 -
Start Step 1 -> Declare function to calculate factorial int factorial(int n) IF n = 0 return 1 End return n * factorial(n - 1) step 2 -> In main() Declare variable as int num = 10 Print factorial(num)) Stop
#include<stdio.h> // function to find factorial int factorial(int n){ if (n == 0) return 1; return n * factorial(n - 1); } int main(){ int num = 10; printf("Factorial of %d is %d", num, factorial(num)); return 0; }
Factorial of 10 is 3628800
#include<iostream> using namespace std; // function to find factorial int factorial(int n){ if (n == 0) return 1; return n * factorial(n - 1); } int main(){ int num = 7; cout << "Factorial of " << num << " is " << factorial(num) << endl; return 0; }
Factorial of 7 is 5040
以上是C程序中的階乘程序的詳細內容。更多資訊請關注PHP中文網其他相關文章!