http://codeforces.com/contest/489/problem/C 大数就是从最高位,能大就大;小数就是从最低位,能小就小,再处理下最高位为0的情况。 无结果无非一个sum太小,min全为0,一个sum太大,全为9还有剩 1publicclassMain {2publicstaticvoidmain(String[] args) {3Scanner io =newScanner(System.in);4intlen =...
printf("-1 -1\n");continue; }strings1,s2;for(inti=0;i<m;i++){intx=min(9,s); s-=x; s2+=char(x+'0'); } s1=s2; reverse(s1.begin(),s1.end());boolok=true;for(inti=0;i<m&&ok;i++){if(s1[i]=='0'){for(intj=i+1;j<m&&ok;j++){if(s1[j]!='0'){ s1[j]...
CodeForces 489C (贪心) Given Length and Sum of Digits...,题意:找出m位且各个数位数字之和为s的最大和最小整数,不包括前导0(比如说003是非法的),但0是可以的。分析:这题是用贪心来做的,同样是m位数,前面的数字越大这个数就越大。所以写一个can(intm,ints)函数,来
codewars——Sum of Digits / Digital Root In this kata, you must create a digital root function.A digital root is the recursive sum of all the digits in a number. Given n, take the sum of the digits of n. If that...CodeForces 102B Sum of Digits http://codeforces.com/problemset...
mand a non-negative integers. Your task is to find the smallest and the largest of the numbers that have lengthmand sum of digitss. The required numbers should be non-negative integers written in the decimal base without leading zeroes. ...
You have a positive integer m and a non-negative integer s. Your task is to find the smallest and the largest of the numbers that have length m and sum of digits s. The required numbers should be non-negative integers written in the decimal base without leading zeroes. ...
Rivat, Primes with an average sum of digits, Compositio Math. 145 (2009), 271-292.Michael Drmota, Christian Mauduit, and Joel Rivat. Primes with an average sum of digits. Compos. Math., 145(2):271-292, 2009.M. Drmota, C. Mauduit and J. Rivat, Primes with an average sum...
1926C-VladAndASumOfSumOfDigits.cpp 1926D-VladAndDivision.cpp 1927A-MakeItWhite.cpp 1927B-FollowingTheString.cpp 1927C-ChooseTheDifferentOnes.cpp 1927D-FindTheDifferentOnes.cpp 1927E-KleverPermutation.cpp 1928A-RectangleCutting.cpp 1928B-Equalize.cpp 1929A-SashaAndTheBeautifulArray.cpp 1929B-Sasha...
Having watched the last Harry Potter film, little Gerald also decided to practice magic. He found in his father's magical book a spell that turns any number in the sum of its digits. At the moment Gerald learned that, he came across a numbern. How many times can Gerald put a spell ...
B is the sum of the digits of A. C is the sum of the digits of B. What is the largest possible value of C? 相关知识点: 试题来源: 解析 解:最大的六位数999999的数字和为54,所以B≤54。49的数字和是13,所以C≤13,所以C 的最大值是13 。 反馈 收藏 ...