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C program to calculate the power using recursion

In this example, you will learn to calculate the power of a number using recursion.

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To understand this example, you should have the knowledge of the following C programming topics:


Program to calculate power using recursion

#include int power(int n1, int n2); int main() { int base, a, result; printf("Enter base number: "); scanf("%d", &base); printf("Enter power number(positive integer): "); scanf("%d", &a); result = power(base, a); printf("%d^%d = %d", base, a, result); return 0; } int power(int base, int a) { if (a != 0) return (base * power(base, a - 1)); else return 1; }

Output

Enter base number: 3
Enter power number(positive integer): 4
3^4 = 81

You can also compute the power of a number using a loop.

If you need to calculate the power of a number raised to a decimal value, you can use the pow() library function.

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