C++ code to calculate the sum of the digits of a number until the number is a single digit #include <iostream>usingnamespacestd;intmain() {intnumber=147;//Any number.intres;if(number) res=number%9==0?9:number%9;elseres=0;//print the resultcout<<res;retur...
提示: In the first sample the number already is one-digit — Herald can’t cast a spell. The second test contains number 10. After one casting of a spell it bec...
// I need sum of square digits from give numbers until single digitls //Example 125 // 1*1+2*2+5*5 // 30 //3*3+0 //9 1+4+25 Public static Void Main() { int number; int result=0; number =int32.Pars...
2 A three-digit number is14times the sum of its digits. Find this number.一个三位数是其各个数位数
What is the sum of the digits of the least digit integer whose square is a digit integer? A: B: C: D: 相关知识点: 试题来源: 解析 D 平方为六位数整数的最小三位数整数的位数之和是多少? 可以先进行尝试,确定这个三位数的大小范围,的平方为,的平方为,的平方为,的平方为, 所以这个数位于与之间...
If the first digit is , the other two digits add to . There are four such numbers: , , , and . The total number of counting numbers for which the digit sum is is . 数字的各位数之和是.问包含在内,有多少个三位数的各位数之和是? 以分组的方式计数. 若首位数字是,那么剩下的两个数字...
How many two-digit numbers have this property? ( A.4B.6C.8D.10E.14 2【题目】T he sum of the digits of a two-digit number is subtracted from the number. T he units digit of the result is 6. How many two-digit numbers have this property?(A.5B.7C.9D.10E.19 ...
6.The sum of the digits of a3-digit number is 18.The tens digit is1 more than the ones digit(个位数字).If the hundreds digit and the ones digits are swapped(调换),the difference between the new num-ber and the original number is 396.What is the difference between the hundreds digit ...
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 value has more than one digit, continue reducing in this way until a single-digit number is produced. This is only applicable to the natural numbers. Here's how ...
题目 the sum of the digits of two number is 12.the tens digits is twice the unit digit.find the number 相关知识点: 试题来源: 解析 一个两位数的个位与十位数字的和为12且十为数是个位的2倍.求这个两位数.设十位数为a,个位数为b显然 a+b=12a=2b所以a=8 b=4所以为84 反馈 收藏 ...