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 13:33:49 | 
| 言語 | PyPy3  (7.3.15)  | 
                    
| 結果 | 
                             
                                TLE
                                 
                             
                            
                         | 
                    
| 実行時間 | - | 
| コード長 | 2,293 bytes | 
| コンパイル時間 | 369 ms | 
| コンパイル使用メモリ | 82,512 KB | 
| 実行使用メモリ | 82,408 KB | 
| 最終ジャッジ日時 | 2025-06-12 13:39:58 | 
| 合計ジャッジ時間 | 5,249 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge5 / 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())
    total = R + G + B
    if total > N:
        print(0)
        return
    
    # Initialize DP with (prev_color, streak, r_remain, g_remain, b_remain)
    # prev_color: 0=R, 1=G, 2=B, 3=blank
    dp = defaultdict(int)
    initial_state = (3, 0, R, G, B)
    dp[initial_state] = 1
    
    for _ in range(N):
        next_dp = defaultdict(int)
        for (prev_color, streak, r, g, b), cnt in dp.items():
            # Option 1: Place blank
            new_streak = 0
            new_pc = 3
            key = (new_pc, new_streak, r, g, b)
            next_dp[key] = (next_dp[key] + cnt) % MOD
            
            # Option 2: Place Red
            if r > 0 and prev_color != 0:
                if streak < 2:
                    new_r = r - 1
                    new_streak = streak + 1 if prev_color != 3 else 1
                    new_pc = 0
                    if new_streak <= 2 and new_r >= 0:
                        key = (new_pc, new_streak, new_r, g, b)
                        next_dp[key] = (next_dp[key] + cnt) % MOD
            
            # Option 3: Place Green
            if g > 0 and prev_color != 1:
                if streak < 2:
                    new_g = g - 1
                    new_streak = streak + 1 if prev_color != 3 else 1
                    new_pc = 1
                    if new_streak <= 2 and new_g >= 0:
                        key = (new_pc, new_streak, r, new_g, b)
                        next_dp[key] = (next_dp[key] + cnt) % MOD
            
            # Option 4: Place Blue
            if b > 0 and prev_color != 2:
                if streak < 2:
                    new_b = b - 1
                    new_streak = streak + 1 if prev_color != 3 else 1
                    new_pc = 2
                    if new_streak <= 2 and new_b >= 0:
                        key = (new_pc, new_streak, r, g, new_b)
                        next_dp[key] = (next_dp[key] + cnt) % MOD
        
        dp = next_dp
    
    result = 0
    for (pc, s, r, g, b), cnt in dp.items():
        if r == 0 and g == 0 and b == 0:
            result = (result + cnt) % MOD
    print(result)
if __name__ == "__main__":
    main()
            
            
            
        
            
gew1fw