結果

問題 No.2042 RGB Caps
ユーザー tamatotamato
提出日時 2022-08-19 21:40:32
言語 PyPy3
(7.3.15)
結果
WA  
実行時間 -
コード長 2,784 bytes
コンパイル時間 188 ms
コンパイル使用メモリ 82,036 KB
実行使用メモリ 81,456 KB
最終ジャッジ日時 2024-10-08 07:56:44
合計ジャッジ時間 4,870 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1 WA * 1
other AC * 3 WA * 13
権限があれば一括ダウンロードができます

ソースコード

diff #

mod = 998244353


def main():
    import sys
    input = sys.stdin.readline

    T = {"R": 0, "G": 1, "B": 2}

    N, K = map(int, input().split())
    ans = [""] * (N + 10)
    for _ in range(K):
        a, c = input().split()
        a = int(a)
        ans[a-1] = c
    for i in range((N // 3) + 1):
        cnt = [0] * 3
        for j in range(3):
            s = ans[i * 3 + j]
            if s == "R":
                cnt[0] += 1
            elif s == "G":
                cnt[1] += 1
            elif s == "B":
                cnt[2] += 1
        # j = 0
        if ans[i * 3] == "":
            if cnt[0] == 0:
                ans[i * 3] = "R"
                cnt[0] += 1
            elif cnt[1] == 0:
                ans[i * 3] = "G"
                cnt[1] += 1
            else:
                ans[i * 3] = "B"
                cnt[2] += 1
        else:
            s = ans[i * 3]
            if cnt[T[s]] > 1:
                cnt[T[s]] -= 1

                if cnt[0] == 0:
                    ans[i * 3] = "R"
                    cnt[0] += 1
                elif cnt[1] == 0:
                    ans[i * 3] = "G"
                    cnt[1] += 1
                else:
                    ans[i * 3] = "B"
                    cnt[2] += 1
        # j = 1
        if ans[i * 3 + 1] == "":
            if cnt[0] == 0:
                ans[i * 3 + 1] = "R"
                cnt[0] += 1
            elif cnt[1] == 0:
                ans[i * 3 + 1] = "G"
                cnt[1] += 1
            else:
                ans[i * 3 + 1] = "B"
                cnt[2] += 1
        else:
            s = ans[i * 3 + 1]
            if cnt[T[s]] > 1:
                cnt[T[s]] -= 1

                if cnt[0] == 0:
                    ans[i * 3 + 1] = "R"
                    cnt[0] += 1
                elif cnt[1] == 0:
                    ans[i * 3 + 1] = "G"
                    cnt[1] += 1
                else:
                    ans[i * 3 + 1] = "B"
                    cnt[2] += 1
        # j = 2
        if ans[i * 3 + 2] == "":
            if cnt[0] == 0:
                ans[i * 3 + 2] = "R"
                cnt[0] += 1
            elif cnt[1] == 0:
                ans[i * 3 + 2] = "G"
                cnt[1] += 1
            else:
                ans[i * 3 + 2] = "B"
                cnt[2] += 1
        else:
            s = ans[i * 3 + 2]
            if cnt[T[s]] > 1:
                cnt[T[s]] -= 1

                if cnt[0] == 0:
                    ans[i * 3 + 2] = "R"
                    cnt[0] += 1
                elif cnt[1] == 0:
                    ans[i * 3 + 2] = "G"
                    cnt[1] += 1
                else:
                    ans[i * 3 + 2] = "B"
                    cnt[2] += 1

    print("".join(ans[:N]))


if __name__ == '__main__':
    main()
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