Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question

C++

Write a recursive function called DigitCount() that takes a non-negative integer as a parameter and returns the number of digits in the integer. Hint: The digit count increases by 1 whenever the input number is divided by 10. Ex: If the input is: 345 the function DigitCount() returns and the program outputs: 3
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Transcribed Image Text:Write a recursive function called DigitCount() that takes a non-negative integer as a parameter and returns the number of digits in the integer. Hint: The digit count increases by 1 whenever the input number is divided by 10. Ex: If the input is: 345 the function DigitCount() returns and the program outputs: 3
1 #include <iostream> 2 using namespace std; 3 4 /* TODO: Write recursive DigitCount() function here. */ 5 6 7 int main() { 8 9 10 11 12 13 14 15 } 16 int num; int digits; main.cpp cin >> num; digits DigitCount (num); cout << digits << endl; return 0;
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Transcribed Image Text:1 #include <iostream> 2 using namespace std; 3 4 /* TODO: Write recursive DigitCount() function here. */ 5 6 7 int main() { 8 9 10 11 12 13 14 15 } 16 int num; int digits; main.cpp cin >> num; digits DigitCount (num); cout << digits << endl; return 0;
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