13. Large sum.md

13. Large sum

Question

Work out the first ten digits of the sum of the following one-hundred 50-digit numbers.

Solution

Brute force

def p13():
    ans = 0
    with open("p13.txt", 'r') as f:
        for l in f.readlines():
            ans += int(l.strip())
    return str(ans)[:10]

Answer

5537376230