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.
// 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...
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 ...
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"...
You have a positive integermand 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. ...
{ cout<<"0 0"<<endl;return0; }if(s==0) { cout<<"-1 -1"<<endl;return0; }if(s>9*m) { cout<<"-1 -1"<<endl;return0; }intt=s-1;//精湛的-1 屌不屌?for(inti=0;i<m;i++) {intr=min(t,9); a[i]=r; t-=r; ...
#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...
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
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...
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