結果
| 問題 |
No.584 赤、緑、青の色塗り
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 13:29:51 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 1,757 bytes |
| コンパイル時間 | 162 ms |
| コンパイル使用メモリ | 82,712 KB |
| 実行使用メモリ | 289,796 KB |
| 最終ジャッジ日時 | 2025-06-12 13:35:17 |
| 合計ジャッジ時間 | 4,986 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 6 |
| other | AC * 7 TLE * 1 -- * 6 |
ソースコード
MOD = 10**9 + 7
def main():
import sys
from collections import defaultdict
N, R, G, B = map(int, sys.stdin.readline().split())
current = defaultdict(int)
current[(0, 0, 0, 0, 0)] = 1 # (last_color, consecutive, r, g, b)
for i in range(N):
next_dp = defaultdict(int)
for (last_color, consecutive, r, g, b), cnt in current.items():
# Try painting a color
for color in [1, 2, 3]:
if color == last_color:
continue
new_consecutive = consecutive + 1 if last_color != 0 else 1
if new_consecutive > 2:
continue
new_r = r + (1 if color == 1 else 0)
new_g = g + (1 if color == 2 else 0)
new_b = b + (1 if color == 3 else 0)
if new_r > R or new_g > G or new_b > B:
continue
total_used = new_r + new_g + new_b
if total_used > i + 1:
continue
key = (color, new_consecutive, new_r, new_g, new_b)
next_dp[key] = (next_dp[key] + cnt) % MOD
# Try leaving blank
new_last_color = 0
new_consecutive = 0
new_r, new_g, new_b = r, g, b
total_used = new_r + new_g + new_b
if total_used > i + 1:
continue
key = (new_last_color, new_consecutive, new_r, new_g, new_b)
next_dp[key] = (next_dp[key] + cnt) % MOD
current = next_dp
ans = 0
for (last_color, consecutive, r, g, b), cnt in current.items():
if r == R and g == G and b == B:
ans = (ans + cnt) % MOD
print(ans)
if __name__ == "__main__":
main()
gew1fw