A program to determine the sum of digits of a given non-negative integer number using a while loop is presented in Program. The program segment given below does the same thing using a do...while loop.
Write a program in C to find the sum of digits of a number using recursion. Pictorial Presentation:Sample Solution:C Code:#include <stdio.h> int DigitSum(int num); int main() { int n1, sum; printf("\n\n Recursion : Find the sum of digits of a number :\n"); printf("---\n"...
we determined the sum of digits of a non-negative integer number by determining the least significant digit and then removing it from given number. In this example, we generalize this technique to determine the sum of digits of any non-negative integer number. To separate the digits of given ...
// C program to find the sum of all digits// in alphanumeric string#include <stdio.h>intmain() {charstr[64];inti=0;intsum=0; printf("Enter alphanumeric string: "); scanf("%[^\n]s", str);while(str[i]!=0) {if((str[i]>='0')&&(str[i]<='9')) sum+=(str[i]-0x30...
C. Given Length and Sum of Digits... 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) {3...
CF489C Given Length and Sum of Digits...原题链接 题目:给了数字位数和数字位数之和,要构造出最大的数字和最小的数字。 题解:就是想着让 99 往后并且让 11 往前,然后中间用 00,注意无效的时候是 s=0s=0 并且m≠1m≠1 代码: #include <iostream> #include <cstring> #include <algorithm> using ...
Primes with an average sum of digits, Compos. Math., 145 (2009), pp. 271-292.Drmota M, Mauduit C and Rivat J, Primes with an average sum of digits, Compositio Mathematica 145 (2009) 271-292M. Drmota, C. Mauduit and J. Rivat, Primes with an average sum of digits, Comp...
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
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#include <climits> #include <cstdlib> #include <cmath> #include #define maxn 1005 #define maxm 200005 #define eps 1e-10 #define mod 1000000007 #define INF 0x3f3f3f3f #define PI (acos(-1.0)) #define lowbit(x) (x&(-x)) #define mp...