传送门: http://acm.zcmu.edu.cn/JudgeOnline/problem.php?id=2177 2177: Lucky Numbers (easy) 时间限制: 2 Sec 内存限制: 256 MB提交: 42 解决: 21[提交][状态][讨论版] 题目描述 time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard ou…
Problem description Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not. Lucky number…
ztr loves lucky numbers 题目链接: http://acm.hust.edu.cn/vjudge/contest/121332#problem/I Description ztr loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For…
C. Lucky Numbers time limit per test 0.5 seconds memory limit per test 64 megabytes input standard input output standard output The numbers of all offices in the new building of the Tax Office of IT City will have lucky numbers. Lucky number is a num…
Problem Description ztr loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not. Lucky number is…
Roma and Lucky Numbers time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Roma (a popular Russian name that means 'Roman') loves the Little Lvov Elephant's lucky numbers. Let us remind you tha…
更好的阅读体验 Portal Portal1: Codeforces Portal2: Luogu Description The numbers of all offices in the new building of the Tax Office of IT City will have lucky numbers. Lucky number is a number that consists of digits \(7\) and \(8\) only. Find the maximum…
题目链接:1327: Lucky Numbers Description A lucky number is made by the following rules: Given a positive integer sequence {x | 1 <= x <= n}. From the first number, delete the last one in every 2 numbers. Select the minimum that has not been unused from…
1276 - Very Lucky Numbers PDF (English) Statistics Forum Time Limit: 3 second(s) Memory Limit: 32 MB According to some theory 4 and 7 are lucky digits, and all the other digits are not lucky. A lucky number is a number that contains only lucky dig…
Great learning for me:https://www.hackerrank.com/rest/contests/master/challenges/lucky-numbers/hackers/turuthok/download_solution Basically it is memorized search application. And we follow a discrete strategy: split it into digits and go digit by di…
暴力打表. #include<cstdio> #include<cstring> #include<cmath> #include<string> #include<algorithm> using namespace std; ]; long long L, R; int tot; void dfs(long long num, int len) { ) return; &&num<=&&num % ==…
Lucky Number Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 294 Accepted Submission(s): 49 Problem Description “Ladies and Gentlemen, It’s show time! ” “A thief is a creative artist who ta…
E. Lucky Array time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Petya loves lucky numbers. Everybody knows that lucky numbers are positive integers whose decimal representation contains onl…
Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal representations contain only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not. One day Petya encountered a tre…
Lucky 题目链接: http://acm.hust.edu.cn/vjudge/contest/123316#problem/G Description Chaos August likes to study the lucky numbers. For a set of numbers S,we set the minimum non-negative integer,which can't be gotten by adding the number in S,as the lucky…
