题解 | 参议院投票

#感觉还是挺绕的，不会用队列的方法来坐着道题
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 求出最终获胜帮派的名称
# @param s string字符串 
# @return string字符串
#
class Solution:
    def predictVictory(self , s: str) -> str:
        # write code here
        st = s
        while(st.count("D")>=1 and st.count("R")>=1):
            for i in range(len(st)):
                if st[i] =="D":
                    index = st.find("R")
                    # print(index)
                    if index == -1:
                        break
                    else:
                        s = st[i+1:index] +st[index+1:] +st[i]
                        break
                        print(s)

                else:
                    index = st.find("D")
                    if index == -1:
                        break
                    else:
                        s = st[i+1:index] +st[index+1:] +st[i]
                        break
            st = s
            # print(st)
        return "Red" if st.count("D") == 0 else "Dark"