Find first and last digit of a number in c

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WebThis function is defined in the cmath header file. pow () function is a library function of cmath header, it is used to find the raise to the power, it accepts two arguments and returns the first argument to the power of the second argument. power = base exponent Syntax for Math pow () Function in C++ WebJan 27, 2024 · Prime number combinations: 29 The first and last digits are 2 and 9 respectively. The combinations are 29 and 92. Only 29 is prime. Input: arr[]={2, 6, 4, 3, 1, 7} Output: Minimum number: 123467 Prime number combinations: 17 71 The first and last digits are 1 and 7 respectively. The combinations are 17 and 71, and both are primes

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C++ swap first and last digits of any number. Code Example

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C Program to Find Sum of First and Last Digits of a Number

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WebTo find the last digit of a number, we use modulo operator %. When modulo divided by 10 returns last digit of the input number. lastDigit = num % 10 To find the first digit of a … WebIn this post, we will learn how to find the first and last digit of a number using C++ Programming language. Suppose the user enters a number 5468, then it’s first digit is … body cone physicsWebWithin this Program to Find the First and Last Digit Of a Number, Number = 1234. Count = log10(Number) – This will return the total number of digits in a number -1. Count = 3. FirstDigit = 1234 / pow(10, 3) = 1234 / 1000 = … bodycon evening dress

"WebSep 2, 2016 · Interchanging the first and last digits of a number in C. I cracked the question using most basic knowledge of c. I haven't used any strings or arrays or bit-wise operator, just simple logic. for clearer understanding take an example and see. " - Find first and last digit of a number in c

Find first and last digit of a number in c

Check if the first and last digit of the smallest number forms a …

Step by step descriptive logic to find first and last digit of a number without loop. 1. Input a number from user. Store it in some variable say num. 2. Find last digit using modulo division by 10 i.e. lastDigit = num % 10. 3. To find first digit we have simple formula firstDigit = n / pow(10, digits - 1). Where digits is total … See more Before I explain logic to find first digit, let us first learn to find last digit of a number. To find last digit of a number in programming we use … See more The above approaches to find first and last digit is easy to implement and learn. However, I use a different approach to find first or last digit. See more Finding first digit of any number is little expensive than last digit. To find first digit of a number we divide the given number by 10 until number is greater than 10. At the end we are left with the first digit. Step by step description to … See more Important note: log10() is a mathematical function present in math.h header file. It returns log base 10 value of the passed parameter to log10()function. Happy coding See more WebJan 27, 2024 · Prime number combinations: 29 The first and last digits are 2 and 9 respectively. The combinations are 29 and 92. Only 29 is prime. Input: arr[]={2, 6, 4, 3, 1, …

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WebJun 19, 2015 · To find last digit of given number we modulo divide the given number by 10. Which is lastDigit = num % 10. To find first digit we divide the given number by 10 till … WebApr 14, 2024 · First double-digit number; First double-digit number. While searching our database we found 1 possible solution for the: First double-digit number Daily Themed Crossword. This crossword clue was last seen on April 14 2024 Daily Themed Crossword puzzle. The solution we have for First double-digit number has a total of 3 letters.

WebAlgorithm to find the sum of first and last digit using the loop: Ask the user to enter an integer number. Suppose n = 12345, where n is an integer variable. int n = 1234; To … WebApr 9, 2024 · The program prompts the user to enter an integer, counts the total number of digits in that integer and prints the total count on the screen. Sample Input: Enter an integer: 92134. Sample Output: Number of digits: 5. Here is the C program that counts the total number of digits in an integer:

WebC program to find sum of first and last digits of a number #include int main () { int num, temp, firstDigit, lastDigit, sum; printf("Enter a Number\n"); scanf("%d", &num); temp = num; /* get last digit of num */ lastDigit = num %10; while(num > 10) { num = num/10; } firstDigit = num; sum = firstDigit + lastDigit; WebNov 27, 2024 · If a number is given then starting digit of the number is called as first and end digit of the number is called as last digit of number. For example: If the number is 89453 then first digit is 8 and last digit is 3. So the sum of first and last digit = 8+3 =11 Let’s see different ways

WebNov 18, 2024 · How to Get the First and Last Digit of a Number in C #include #include int main() { int nbr, first, last, l; printf("\nEnter a number: "); …

WebJul 13, 2024 · First Calculate a^b, then take last k digits by taking modulo with 10^k. Above solution fails when a^b is too large, as we can hold at most 2^64 -1 in C/C++. Efficient Solution The efficient way is to keep only k digits after every multiplication. bodycon evening dress ukWebMar 18, 2024 · Find the first and last digit of a number: ----- Input any number: 5679 The first digit of 5679 is: 5 The last digit of 5679 is: 9 Flowchart: C++ Code Editor: Contribute your code and comments … glastonbury orthopedic doctorsWebStep 1 - Declare the variables Num, First_Digit, Digits_Count, Last_Digit, x, y, Swap_Num. Step 2 - Input a number and store it in Num. Step 3 - Perform log10 on Num and store it in Digits_Count. Step 4 - Set First_Digit = Num/pow(10, Digits_Count). Step 5 - Set Last_Digit = Num % 10. Step 6 - Set x = First_Digit * (pow(10, Digits_Count)). glastonbury originsWebSep 29, 2024 · In the C++ program to find the first digit of a number, there are two ways to calculate the first digit using : Loop. Without Loop. To get the number's last digit, … glastonbury orthopedicsWebIntroduction : In this C++ tutorial, we will learn how to find the first and the last digits of a user-given number. For example, if the number is 12459, it will print 9 as the last digit and 1 as the first digit. Our program will take … glastonbury osteopathicWebMar 15, 2024 · START Step 1: Declare no, sum variables of type int Step 2: Read a number at runtime Step 3: Compute sum=no%10 Step 4: While loop no>9 No=no/10 Step 5: Compute sum=sum+no; Step 6: Print sum STOP Example Following is the C program to find the sum of first and last digit for a number − Live Demo glastonbury orchardsWebC Program to find Sum of First and Last Digit of a Number C Programs Studytonight C program to find Sum of First and Last Digits of a Number Note: % or the mod operator is used to find the remainder of … glastonbury orthopedic walk in clinic