［AtCoder］ABC-397｜B - Ticket Gate Log

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• 🔗ABC-397 B - Ticket Gate Log

提出結果

def getString():
    return input()


def main():
    S = getString()

    ss = len(S)

    if S[0] != "i":
        S = "i" + S
    if S[-1] != "o":
        S += "o"

    while True:
        if S.find("ii") < 0:
            break
        S = S.replace("ii", "ioi")

    while True:
        if S.find("oo") < 0:
            break
        S = S.replace("oo", "oio")

    print(len(S) - ss)


if __name__ == "__main__":
    main()