String with digit.   Set hasDigit to true if the 3-character passCode contains a digit. #include #include #include using namespace std; int main() {    bool hasDigit;    string passCode;    hasDigit = false;    cin >> passCode;        isdigit('0') == true;    if (hasDigit) {       cout << "Has a digit." << endl;    }    else {       cout << "Has no digit." << endl;    }    return 0; }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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String with digit.
 
Set hasDigit to true if the 3-character passCode contains a digit.

#include <iostream>
#include <string>
#include <cctype>
using namespace std;

int main() {
   bool hasDigit;
   string passCode;

   hasDigit = false;
   cin >> passCode;
   
   isdigit('0') == true;

   if (hasDigit) {
      cout << "Has a digit." << endl;
   }
   else {
      cout << "Has no digit." << endl;
   }

   return 0;
}

 

 

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