Power digit sum | Project Euler | Problem #16
URL to the problem page: https://projecteuler.net/problem=16 2¹⁵ = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 2¹⁰⁰⁰? #include <iostream> using namespace std ; int main () { const int k = 504 ; int number [k] = { 0 }, result [k] = { 0 }, carry, sum = 0 , i, a; number [k - 1 ] = 2 ; for (a = 1 ; a < 1000 ; a++) { carry = 0 ; for (i = k - 1 ; i >= 0 ; i--) { result [i] =...