Question

Please, write code in c++. Using iostream and cstring library.

You given a text.Your task is to write a function that will find the longest sequence of digits inside.
Note that the output have to be presened just like in sample.

Note. The program have to use pointer.

Input:
First line contains one line that is not longer than 1000.

Output:
The longest sequence of numbers.All numbers are positive and integers.

example:

input: 101 fdvnjfkv njfkvn fjkvn jffdvfdvfd2010

output: 2010

Answer 1

Code:

temp.cpp

#include<iostream>
#include<cstring>
using namespace std;

int longest_sequence(char* s)
{
    int max_digit=0, max_res=0,i=0;
 
    for(i=0;s[i]!='\0';i++)
    {
        if(s[i]>='0' && s[i]<='9')
        max_digit = max_digit*10 + (s[i]-'0');

        else
        {
            max_res = max(max_res,max_digit);
            max_digit=0;
        }
        
    }

    return max(max_digit, max_res);
}
int main()
{
    char s[100];
    cout<<"Enter the text: ";
    cin.getline(s,100);
    cout<<"Input :\n"<<s;
    cout<<"Output: "<<longest_sequence(s)<<endl;
    return 0;
}

Output:

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