0
Recursion
#include <iostream> using namespace std; int factorial(int n) { if (n==1) { return 0; } else { return n - factorial(n-1); } } int main() { cout << factorial(5); } --------------------------------------------- //output 2 ????????????????????????????
2 Respuestas
+ 1
Use multiplication symbol instead of minus to get result.
0
5- factorial(4)
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(4 - factorial(3))
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3 - factorial(2)
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2 - factorial(1) :
5 - (4 - (3 - (2 - 0)))
5 - (4 - (3 - 2))
5 - (4 - 1)
5 - 3
2
SO it return 2.
Edit :
[It won't call, factorial(0)]
Edit :
دانیال رضایی نژاد
whats your question actually? Pls give clarity..