\u9898\u76ee\u8be6\u60c5：<\/p>\n
\u5c0f\u7ea2\u5b9a\u4e49 k \u5f20\u724c\u4e3a\u300c\u987a\u5b50\u300d：\u5f53\u8fd9\u4e9b\u724c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u540e，\u5bf9\u4e8e 1～k-1 \u7684\u6bcf\u4e2a i，\u90fd\u6ee1\u8db3 ai\u200b+1=ai+1\u200b（\u5373\u8fde\u7eed\u7684 k \u4e2a\u6574\u6570）\u3002\u4f8b\u5982，{4,3,6,7,5} \u662f\u987a\u5b50（\u6392\u5e8f\u540e\u4e3a 3,4,5,6,7）\u3002<\/p>\n
\u8bf7\u6784\u9020\u4e00\u4e2a\u7531 5 \u5f20\u724c\u7ec4\u6210\u7684\u3001\u5305\u542b\u6570\u5b57 x \u7684\u987a\u5b50，\u8f93\u51fa\u8fd9 5 \u5f20\u724c（\u4efb\u610f\u987a\u5e8f）\u3002<\/p>\n
\u8f93\u5165\u63cf\u8ff0：<\/p>\n
\u7b2c\u4e00\u884c\u8f93\u5165\u4e00\u4e2a\u6574\u6570 x\u00a0(1\u2264x\u226410)\u3002<\/p>\n
\u8f93\u51fa\u63cf\u8ff0：<\/p>\n
\u5728\u4e00\u884c\u4e0a\u4ee5\u4efb\u610f\u987a\u5e8f\u8f93\u51fa\u4e94\u4e2a\u6574\u6570，\u4ee3\u8868\u5305\u542b x \u7684 5 \u5f20\u724c\u7684\u987a\u5b50\u3002<\/p>\n
\u4ee3\u7801：<\/p>\n
x=int(input())
\nfor i in range(x,x+5):
\n print(i,end=" ")<\/p>\n
\u9898\u76ee\u8be6\u60c5：<\/p>\n
\u672c\u9898\u4e3a\u7b80\u5355\u7248\u672c，\u4fdd\u8bc1\u7ed9\u5b9a\u6570\u7ec4\u4e2d\u7684\u300c01 \u4e32\u300d\u4e24\u4e24\u6709\u524d\u7f00\u5173\u7cfb\u3002<\/p>\n
\u9700\u6784\u9020\u5b57\u7b26\u4e32 s\u2032，\u4f7f\u5f97 s \u4e2d\u6070\u597d\u6709 k \u4e2a 01 \u4e32（\u53ef\u4ee5\u76f8\u540c）\u662f s\u2032 \u7684\u524d\u7f00\u3002<\/p>\n<\/li>\n<\/ul>\n
\u3010\u540d\u8bcd\u89e3\u91ca\u3011<\/p>\n
\u524d\u7f00：\u4ece\u5b57\u7b26\u4e32\u5f00\u5934\u5230\u4efb\u610f\u4f4d\u7f6e\u7684\u5b50\u4e32（\u4f8b\u5982 \u201c1234\u201d \u7684\u524d\u7f00\u6709 \u201c1\u201d\u201c12\u201d\u201c123\u201d\u201c1234\u201d \u548c\u7a7a\u4e32）\u3002<\/p>\n
\u8f93\u5165\u63cf\u8ff0：<\/p>\n
\u7b2c\u4e00\u884c\u8f93\u5165\u4e24\u4e2a\u6574\u6570 n,k\u00a0(1\u2264k\u2264n\u22642\u00d710^5)；<\/p>\n<\/li>\n
\u4e4b\u540e n \u884c，\u6bcf\u884c\u8f93\u5165\u4e00\u4e2a\u975e\u7a7a 01 \u4e32 si\u200b\u00a0(1\u2264\u2223si\u200b\u2223\u22642\u00d710^5)；<\/p>\n<\/li>\n
\u5355\u4e2a\u6d4b\u8bd5\u6587\u4ef6\u4e2d\u6240\u6709 si\u200b \u7684\u957f\u5ea6\u4e4b\u548c\u4e0d\u8d85\u8fc7 2\u00d710^5\u3002<\/p>\n<\/li>\n
\u8f93\u51fa\u63cf\u8ff0：<\/p>\n
\u82e5\u4e0d\u5b58\u5728\u5408\u6cd5\u5b57\u7b26\u4e32，\u8f93\u51fa -1；<\/p>\n<\/li>\n
\u4ee3\u7801：<\/p>\n
import sys
\ndef demo():
\n data = sys.stdin.read().split()
\n n, k = map(int,data[:2])
\n aList = data[2:]
\n aDict = {}
\n for i in aList:
\n aDict[i] = aDict.get(i, 0) + 1
\n bList = sorted(aDict.keys())
\n num = 0
\n for x in bList:
\n num += aDict[x]
\n if num == k:
\n return x
\n elif num > k:
\n return -1
\nprint(demo())<\/p>\n
\u9898\u76ee\u8be6\u60c5：<\/p>\n
\u5c0f\u7ea2\u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4\u662f\u597d\u6570\u7ec4，\u5f53\u4e14\u4ec5\u5f53\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u6570\u90fd\u51fa\u73b0\u4e86\u5076\u6570\u6b21，\u4e14\u6240\u6709\u5143\u7d20\u5747\u4e3a\u6b63\u6574\u6570\u3002\u7279\u6b8a\u7684，{}（\u7a7a\u6570\u7ec4）\u4e5f\u662f\u4e00\u4e2a\u597d\u6570\u7ec4\u3002<\/p>\n
\u73b0\u5728\u5c0f\u7ea2\u60f3\u8981\u627e\u5230\u4e00\u4e2a\u957f\u4e3a n \u7684\u6570\u7ec4，\u4f7f\u5f97：<\/p>\n
\u5bf9\u4e8e\u4efb\u610f\u6574\u6570 d (0\u2264d<k)，\u5220\u9664\u6570\u7ec4\u4e2d\u4efb\u610f d \u4e2a\u4e0b\u6807\u540e，\u5f97\u5230\u7684\u6570\u7ec4\u90fd\u4e0d\u662f\u597d\u6570\u7ec4；<\/p>\n<\/li>\n
\u5b58\u5728\u4e00\u79cd\u5220\u9664 k \u4e2a\u4e0b\u6807\u7684\u65b9\u5f0f，\u4f7f\u5f97\u5f97\u5230\u7684\u6570\u7ec4\u662f\u597d\u6570\u7ec4\u3002<\/p>\n<\/li>\n<\/ul>\n
\u8bf7\u4f60\u5e2e\u5e2e\u5979\u3002<\/p>\n
\u8f93\u5165\u63cf\u8ff0：<\/p>\n
\u7b2c\u4e00\u884c\u8f93\u5165\u4e24\u4e2a\u6574\u6570 n,k (1\u2264n\u22642\u00d710^5,0\u2264k\u2264n)\u3002<\/p>\n
\u8f93\u51fa\u63cf\u8ff0：<\/p>\n
\u5982\u679c\u4e0d\u5b58\u5728\u8fd9\u6837\u7684\u6570\u7ec4，\u8bf7\u8f93\u51fa \u22121；\u5426\u5219\u8bf7\u8f93\u51fa n \u4e2a\u6574\u6570 a1\u200b,a2\u200b,\u2026,an\u200b (1\u2264ai\u200b\u226410^9)，\u4ee3\u8868\u6240\u6c42\u7684\u6570\u7ec4\u3002<\/p>\n
\u5982\u679c\u5b58\u5728\u591a\u4e2a\u89e3\u51b3\u65b9\u6848，\u60a8\u53ef\u4ee5\u8f93\u51fa\u4efb\u610f\u4e00\u4e2a，\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5224\u5b9a\u662f\u5426\u6b63\u786e\u3002\u6ce8\u610f，\u81ea\u6d4b\u8fd0\u884c\u529f\u80fd\u53ef\u80fd\u56e0\u6b64\u8fd4\u56de\u9519\u8bef\u7ed3\u679c，\u8bf7\u81ea\u884c\u68c0\u67e5\u7b54\u6848\u6b63\u786e\u6027\u3002<\/p>\n
\u4ee3\u7801：<\/p>\n
n,k=map(int,input().split())
\nif (n-k)%2==1:
\n print(-1)
\nelse:
\n aList=[int(x) for x in range(1,k+1)]
\n for i in range(k+1,k+1+(n-k)\/\/2):
\n aList+=[i,i]
\n print(' '.join(map(str,aList)))<\/p>\n
\u9898\u76ee\u8be6\u60c5：<\/p>\n
\u5728\u6b64\u9898\u4e2d，\u6211\u4eec\u8ba4\u4e3a\u6570\u7ec4\u4ee5\u4ece\u5de6\u5230\u53f3\u7684\u987a\u5e8f\u6392\u5217\u3002\u5bf9\u4e8e\u4e00\u4e2a\u6570\u7ec4 a，\u5c0f\u7ea2\u5b9a\u4e49\u300c\u5de6\u770b\u300d\u4e0e\u300c\u53f3\u770b\u300d\u4e3a：<\/p>\n
\u5982，\u8bbe\u4e00\u4e2a\u6570\u7ec4 b={2,3,4,3,5,1}，\u5219\u300c\u5de6\u770b\u300d\u4e3a {2,3,4,5}，\u300c\u53f3\u770b\u300d\u4e3a {1,5}\u3002<\/p>\n
\u5c0f\u7ea2\u7ed9\u51fa\u4e86\u4e00\u4e2a\u957f\u4e3a x \u7684\u6570\u7ec4 c \u4e0e\u4e00\u4e2a\u957f\u4e3a y \u7684\u6570\u7ec4 d，\u4ed6\u5e0c\u671b\u5c0f\u82ef\u80fd\u6784\u9020\u4e00\u4e2a\u957f\u4e3a n \u7684\u6570\u7ec4，\u4f7f\u5f97 c \u662f\u5176\u300c\u5de6\u770b\u300d，d \u662f\u5176\u300c\u53f3\u770b\u300d\u3002\u8bf7\u4f60\u5e2e\u5e2e\u5c0f\u82ef\u3002\u7279\u6b8a\u7684，\u4fdd\u8bc1\u6570\u7ec4 c，d \u4e25\u683c\u5355\u8c03\u9012\u589e\u3002<\/p>\n
\u8f93\u5165\u63cf\u8ff0：<\/p>\n
\u7b2c\u4e00\u884c\u8f93\u5165\u4e09\u4e2a\u6574\u6570 x,y,n (1\u2264x,y,n\u22642\u00d710^5)\u3002\u7b2c\u4e8c\u884c\u8f93\u5165 x \u4e2a\u6574\u6570 ci\u200b (1\u2264ci\u200b\u22642\u00d710^5)\u3002\u7b2c\u4e09\u884c\u8f93\u5165 y \u4e2a\u6574\u6570 di\u200b (1\u2264di\u200b\u22642\u00d710^5)\u3002<\/p>\n
\u8f93\u51fa\u63cf\u8ff0：<\/p>\n
\u5982\u679c\u4e0d\u5b58\u5728\u5408\u6cd5\u7684\u6784\u9020，\u8bf7\u8f93\u51fa \u22121，\u5426\u5219\u8f93\u51fa n \u4e2a\u6b63\u6574\u6570，\u4ee3\u8868\u6240\u6784\u9020\u7684\u6570\u7ec4\u3002<\/p>\n
\u5982\u679c\u5b58\u5728\u591a\u4e2a\u89e3\u51b3\u65b9\u6848，\u60a8\u53ef\u4ee5\u8f93\u51fa\u4efb\u610f\u4e00\u4e2a，\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5224\u5b9a\u662f\u5426\u6b63\u786e\u3002\u6ce8\u610f，\u81ea\u6d4b\u8fd0\u884c\u529f\u80fd\u53ef\u80fd\u56e0\u6b64\u8fd4\u56de\u9519\u8bef\u7ed3\u679c，\u8bf7\u81ea\u884c\u68c0\u67e5\u7b54\u6848\u6b63\u786e\u6027\u3002<\/p>\n
\u4ee3\u7801：<\/p>\n
x,y,n=map(int,input().split())
\naList=[int(x) for x in input().split()]
\nbList=[int(x) for x in input().split()]
\nif aList[-1]!=bList[-1] or x+y-1>n:
\n print(-1)
\nelse:
\n cList=aList[:-1]+[aList[-1]]*(n-x-y+2)+bList[:-1][::-1]
\n print(' '.join(map(str,cList)))<\/p>\n
\u9898\u76ee\u8be6\u60c5：<\/p>\n
\u5c0f\u7ea2\u62ff\u5230\u4e86\u4e00\u4e2a\u6574\u6570 n，\u5979\u60f3\u8981\u5728\u8fd9\u4e2a\u6574\u6570\u7684\u5341\u8fdb\u5236\u8868\u793a\u672b\u5c3e\u62fc\u63a5\u4e00\u4e2a\u975e\u7a7a\u7684\u6570\u5b57\u4e32（\u5982\u5c06 123 \u4fee\u6539\u4e3a 1230987654），\u4f7f\u5f97\u4fee\u6539\u8fc7\u540e\u7684\u65b0\u6570 n\u2032 \u662f\u4e00\u4e2a\u5b8c\u5168\u5e73\u65b9\u6570，\u8bf7\u4f60\u5e2e\u5e2e\u5979\u3002<\/p>\n
\u3010\u540d\u8bcd\u89e3\u91ca\u3011<\/p>\n
\u5b8c\u5168\u5e73\u65b9\u6570：\u4e00\u4e2a\u6570\u5982\u679c\u53ef\u4ee5\u8868\u793a\u4e3a\u67d0\u4e2a\u6574\u6570\u7684\u5e73\u65b9，\u90a3\u4e48\u8fd9\u4e2a\u6570\u5c31\u662f\u5b8c\u5168\u5e73\u65b9\u6570\u3002\u524d\u5341\u4e2a\u5b8c\u5168\u5e73\u65b9\u6570\u662f 0, 1, 4, 9, 16, 25, 36, 49, 64, 81\u3002<\/p>\n
\u8f93\u5165\u63cf\u8ff0：<\/p>\n
\u6bcf\u4e2a\u6d4b\u8bd5\u6587\u4ef6\u5747\u5305\u542b\u591a\u7ec4\u6d4b\u8bd5\u6570\u636e\u3002\u7b2c\u4e00\u884c\u8f93\u5165\u4e00\u4e2a\u6574\u6570 T (1\u2264T\u226410^5) \u4ee3\u8868\u6570\u636e\u7ec4\u6570，\u6bcf\u7ec4\u6d4b\u8bd5\u6570\u636e\u63cf\u8ff0\u5982\u4e0b：<\/p>\n
\u7b2c\u4e00\u884c\u8f93\u5165\u4e00\u4e2a\u6574\u6570 n (1\u2264n\u226410^8)\u3002<\/p>\n
\u8f93\u51fa\u63cf\u8ff0：<\/p>\n
\u5bf9\u4e8e\u6bcf\u7ec4\u6d4b\u8bd5\u6570\u636e，\u65b0\u8d77\u4e00\u884c\u8f93\u51fa\u4e00\u4e2a\u6574\u6570 n\u2032 (1\u2264n\u2032\u226410^18)，\u4ee3\u8868\u4fee\u6539\u540e\u7684\u6574\u6570\u3002\u53ef\u4ee5\u8bc1\u660e，\u5728\u6240\u7ed9\u7684\u6570\u636e\u8303\u56f4\u5185\u4e00\u5b9a\u5b58\u5728\u5408\u6cd5\u7684\u7b54\u6848\u3002<\/p>\n
\u5982\u679c\u5b58\u5728\u591a\u4e2a\u89e3\u51b3\u65b9\u6848，\u60a8\u53ef\u4ee5\u8f93\u51fa\u4efb\u610f\u4e00\u4e2a，\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5224\u5b9a\u662f\u5426\u6b63\u786e\u3002\u6ce8\u610f，\u81ea\u6d4b\u8fd0\u884c\u529f\u80fd\u53ef\u80fd\u56e0\u6b64\u8fd4\u56de\u9519\u8bef\u7ed3\u679c，\u8bf7\u81ea\u884c\u68c0\u67e5\u7b54\u6848\u6b63\u786e\u6027\u3002<\/p>\n
\u4ee3\u7801：<\/p>\n
def demo():
\n n=int(input())
\n ans=0
\n a=10
\n for i in range(18):
\n l, r = 0, 10 ** 9 + 7
\n while l<=r:
\n mid=(r-l)\/\/2+l
\n if mid*mid>=n*a:
\n r=mid-1
\n ans=mid
\n else:
\n l=mid+1
\n if ans*ans<(n+1)*a:
\n break
\n a*=10
\n print(ans*ans)<\/p>\n
t=int(input())
\nwhile t:
\n t-=1
\n demo()<\/p>\n","protected":false},"excerpt":{"rendered":"
A.\u5c0f\u7ea2\u7684\u987a\u5b50\u6784\u9020\u9898\u76ee\u8be6\u60c5：\u5c0f\u7ea2\u5b9a\u4e49 k \u5f20\u724c\u4e3a\u300c\u987a\u5b50\u300d：\u5f53\u8fd9\u4e9b\u724c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u540e，\u5bf9\u4e8e 1～k-1 \u7684\u6bcf\u4e2a i，\u90fd\u6ee1\u8db3 ai\u200b1ai1\u200b（\u5373\u8fde\u7eed\u7684 k \u4e2a\u6574\u6570）\u3002\u4f8b\u5982，{4,3,6,7,5} \u662f\u987a\u5b50（\u6392\u5e8f\u540e\u4e3a 3,4,5,6,7）\u3002\u8bf7\u6784\u9020\u4e00\u4e2a\u7531 5 \u5f20\u724c\u7ec4\u6210\u7684\u3001\u5305\u542b\u6570\u5b57 x \u7684\u987a\u5b50，\u8f93\u51fa\u8fd9 5 \u5f20\u724c（\u4efb\u610f\u987a\u5e8f&<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,1813,427,4405],"topic":[],"class_list":["post-73908","post","type-post","status-publish","format-standard","hentry","category-server","tag-python","tag-1813","tag-427","tag-4405"],"yoast_head":"\n