[백준 2798] 블랙잭
2798번 : 블랙잭
방법 1
import sys
input = sys.stdin.readline
n, m = map(int, input().split())
cards = tuple(map(int, input().split()))
result = 0
for i in range(n-2):
for j in range(i+1, n-1):
for k in range(j+1, n):
cnt = cards[i] + cards[j] + cards[k]
if m - cnt < m - result and m - cnt >= 0:
result = cnt
print(result)