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P1161 开灯(python3实现)

作者:互联网

开灯 - 洛谷

"""

P1161 开灯(python3实现)
https://www.luogu.com.cn/problem/P1161

"""

a=[0]*2000001

n=int(input())

for i in range(1,n+1):

            x,y=map( float,input().split() )

            for j in range(1,int(y+1) ):

                        if a[int(j*x)]==0:
                                    a[int(j*x)]=1

                        else:
                                    a[int(j*x)]=0


i=1

while 1:
            if a[i]==1:
                        print(i)
                        break
            i+=1



标签:int,开灯,range,P1161,input,python3
来源: https://blog.csdn.net/dllglvzhenfeng/article/details/122807487