[Python] - Coding Test / 6079 문제

✍ CodeUp 문제  / 출처 : Codeup

👉 Input

→ 55

 

👉 Output

→ 10

 

👉 Source Code

n = int(input())

sum = 0;

for i in range(1, 1001):
    sum += i
    if sum >= n:
        break

print(i)