Armstrong Number in C++Before going to write the C++ program to check whether the number is Armstrong or not, let's understand what is Armstrong number. Armstrong number is a number that is equal to the sum of cubes of its digits. For example 0, 1, 153, 370, 371 and 407 are the Armstrong numbers. Let's try to understand why 371 is an Armstrong number. Let's see the C++ program to check Armstrong Number. Output: Enter the Number= 371 Armstrong Number. Enter the Number= 342 Not Armstrong Number. Next TopicSum of digits program in C++
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