This article is contributed by Utkarsh Trivedi. Don’t stop learning now. Next, Python is going to find the Last Digit of the user-entered value. Convert the number by repeatedly squaring until we get the unit digit as 1, and then applying the trick of finding the last two digits of number with unit digit 1 as explained above. add a comment. Expected Auxiliary Space: O(1). Attention reader! That's a compromise. Finding the last digit of a positive integer is the same as finding the remainder of that number when divided by 10 10 1 0. Alternating last digits 4 1 = 4 4 2 = 6 4 3 = 4. Input Format: The first line contains N. The second line contains N numbers separated by a space. Sum first digit of each cell with formula. 1. It depends on how you look at it. Given an interval, the task is to count numbers which have same first and last digits. Understanding this topic well is necessary to solve questions that are asked in various competitive exams in the Quant section – applicable to CAT, XAT, MAT, SNAP, IIFT, CLAT, AILET, DU LLB, any other entrance exam as well. The NDC, or National Drug Code, is a unique 10-digit or 11-digit, 3-segment number, and a universal … We know that a has to be a digit from 0 to 9. Then there are 9 options for the second number. C program to find first and last digit of any number, This program will give you the last digit of any number. I just received a call from a number where the first 6 digits were the same, but I thought I recognized that last 4... turned out it was not a sales call but it was someone who received a sales call using MY NUMBER. 1. In general, the last digit of a power in base n … Input Format: The first line contains N. The second line contains N numbers separated by a space. |. edit Enter a number:324 Sum of first & last digit:7. Writing code in comment? Or it might not. But in this program, we are creating two separate Java methods to find the First Digit and last Digit of the user-entered value. Given an interval, the task is to count numbers which have same first and last digits. The next four digits is a serial number, it is used so that men get the odd numbers, and women get the even numbers. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. Divide the three-digit number by the answer in Step 2. Remove least significant digit form number (number = number/10). Same Three-Digit Number . The patterns of the previous section can be expressed elegantly in the language of modular arithmetic. Please use ide.geeksforgeeks.org, generate link and share the link here. The first digit is 0, and the last digit is 4. How to check last digit of number, Python Last Digit in a Number program : In this section, we discuss how to write a Python Program to find Last Digit in a Number with a practical example. The program must print only the X numbers which have same first and last digit. 98884 The first digit is 9888, and the last digit is 4. Finding last digit of numbers in an interesting topic. To find first digit of a number we divide the given number by 10 until number is greater than 10. Sum of first and last digits of 2534 = 2 + 4 = 6 Algorithm to find first and last digits of a number Get least significant digit of number (number%10) and store it in lastDigit variable. -12%10 yields 8. Output Format: The first line contains the X numbers separated by a space. Posted July 23, 2017 By Presh Talwalkar. This program to find the first and last digit is the same as above, but this time we divided the code using the Functions concept. JavaScript Program to find quotient and remainder; JavaScript Program to print table of any number; JavaScript Program to find the largest of three characters; JavaScript Program to find the largest of three numbers using nested if; Then you can see all first numbers in referenced cells are removed immediately. Finding last two digits of odd numbers ending with 3, 7 or 9. first_digit = 5. last_digit = 2356 % 10 last_digit = 6. If we add the two numbers above, we will have double-counted the numbers in which the first two digits are the same, and the last three are the same. Read about me, or email me. def last_digit(n): """ Returns the last Python Program to find the Last Digit in a Number This python program allows the user to enter any integer value. first and last digits It is August 18, 2017 and I get about 10 to 14 calls a week where the first 6 digits are the same as mine. Think of any three-digit number in which each of the digits is the same. For example: run: Enter an Integer. The answer is 37. The first 6 are the BIN number, but each bank has many, so they're not as easy to guess. We have already explained the Analysis part in the previous articles. Let us first consider below examples to understand the approach. N numbers A(1) to A(N) are passed as input. Their submission is an even number 3. Experience. Program to count digits in an integer (4 Different Methods), Print all possible combinations of r elements in a given array of size n, Program to find whether a no is power of two, Write Interview Therefore we can observe from the above cases that, n^5 and n will always have the same last digit. number % 10. Remainder when dividing by 10, as in. For some people, in order to mean something it must be about an imminent surprising or impressive event or circumstance. First let us find an answer and then we will prove why the answer the smallest value. A well explained program to find sum of first & last digit of a number. As an Amazon Associate I earn from qualifying purchases. From above examples, we can observe that in each ten number span we have only one number which has the given property except 1 to 10 which has 9 numbers (all one digit number) having same starting and ending digit. The first 5 digits represent birthday as the number of days since 01/01/1900 (more numbers can be assigned to the same day, this additional or alternative numbers have greate first digit, typically 8). 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 through Disqus. Lets say the number is written as ABCD (1000a+100b+10c+d). Logic to find first digit of a number. Last two digit of numbers ending with 5. Program to find sum of first and last digit using loop When modulo divided by 10 returns its last digit. 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