๋ฌธ์
https://www.acmicpc.net/problem/1904
ํ์ด
# ๋ฐฑ์ค 1904๋ฒ ๋ฌธ์ - 01ํ์ผ
n = int(input())
d = [0]*1000001
d[1] = 1
d[2] = 2
for i in range(3, n+1):
d[i] = (d[i-1] + d[i-2])%15746
print(d[n])
์ด๋ฒ ๋ฌธ์ ๋ ๋์ ํ๋ก ๊ทธ๋๋ฐ ์๊ณ ๋ฆฌ์ฆ์ ์ฌ์ฉํ์๋ค.
๋จผ์
d[1] => 1 ํ์ผ => 1
d[2] => 00, 11 ํ์ผ => 2
d[3] => 100, 001, 111 => 3
d[4] => 1100, 0011, 1001, 0000, 1111 => 5
์ ํ์์ ๊ตฌํด๋ณด๋ฉด
d[n] = d[n-1] + d[n-2] (n>=3) ์ด๋ผ๋ ๊ฒฐ๊ณผ๊ฐ ๋์ถ๋๋ค.
์ธ๋ฑ์ค๋ ํท๊ฐ๋ฆฌ์ง ์๋๋ก 1๋ถํฐ ์์ํ์๋ค.
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