Use std::to_string and std::string::size Functions to Count Number of Digits in a Number in C++ The most straightforward way to count the number of digits in a number is to convert it to the std::string object and then call a built-in function of the std::string to retrieve a cou...
This tutorial has the program in C for counting the number of digits in a given number with code and the program output.
/* C program to count digits in a number.*/#include <stdio.h>intmain() {intnum, tNum, cnt; printf("Enter a number: "); scanf("%d",&num); cnt=0; tNum=num;while(tNum>0) { cnt++; tNum/=10; } printf("Total numbers of digits are: %d in number: %d.", cnt, num);retu...
百度试题 结果1 题目The number of digits in 416525 (when written in the usual base 10 form) isD(A)31(B)30(C)29(D)28(E)27 相关知识点: 试题来源: 解析 D 反馈 收藏
案例题 方法int numberOfDigits(int n)的功能是计算十进制正整数n的位数。 int numberOfDigits(int n){ int c=0; do{ n/=10; ___; }while( ); return c; }参考答案: 查看答案 查看解析 APP刷题 相关知识点试题 下列关于类的方法定义的描述中,不正确的是() 下列关于类的方法定义的描述中,不...
【 2 】 根据第三段 The main reason for using 11 digits is that we have the largest population in the world. 使用 11 位数字作为号码主要是因为我们拥有世界上最多的人口,故答案为 Because we have the largest population in the world. 【 3 】 分析句子,可知本句动词不定式动作的发出者是 each pe...
What is the least number of digits (including repetitions) needed to express 10100 in decimal notation ?() A.4 B.100 C.101 D.1,000 E.1,001 相关知识点: 试题来源: 解析C [解析] 本题的的正确答案为(C)。该题中的decimal notation指十进制计数,它是与科学计数法以及指数计数法等相对应的一...
:number of digits :radix of base :coefficients Dicimal number: Binary number: Number systems and Conversion) 0x06 八进制和十六进制(Octal and Hexadecimal numbers) Octal number system: Hexadecimal number system: 0x07 Number system conversions example ...
(c >= '0' && c <= '9') x = x * 10 + c - '0', c = getchar(); return x * k; } int Qpow(int times) { int x = 10, base = 1; for(; times; times >>= 1, x = x * x % mod) if(times & 1) base = base * x % mod; return base; } void Up(int &x, ...
digits =countDigit(num); printf("\nNumber of digits : %u\n",digits); return0; } Method-5 Count number of digits using the recursive function: Using precision you can also calculate the number of digits of a given number. Below I am writing two C codes to find the length of an inte...