DailyDose/ConvertFive-GFGQ.cpp at main · Shrivishnu22/DailyDose · GitHub

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/*
Replace all 0's with 5

Stand out from the crowd. Prepare with Complete Interview Preparation

Given a number N. The task is to complete the function convertFive() which replaces all zeros in the number with 5 and returns the number.

Example:

Input
2
1004
121

Output
1554
121

Explanation:
Testcase 1:  At index 1 and 2 there is 0 so we replace it with 5.
Testcase 2: There is no,0 so output will remain the same.

Input:
The first line of input contains an integer T, denoting the number of test cases. Then T test cases follow.
Each test case contains a single integer N denoting the number.

Output:
The function will return an integer where all zero's are converted to 5.

Your Task:
Since this is a functional problem you don't have to worry about input, you just have to complete the function convertFive().

Constraints:
1 <= T <= 103
1 <= N <= 104
*/

//{ Driver Code Starts
#include<bits/stdc++.h>
using namespace std;

// Driver program to test above function

// } Driver Code Ends
class Solution{
  public:
    /*you are required to complete this method*/
    int convertFive(int n)
    {
    //Your code here
    string str=to_string(n);
    int res=0;
    for(int i=0;i<str.size();i++){
        if(str[i]=='0') res=res*10+5;
        else    res=res*10+(str[i]-'0');
    }
    return res;
    }
};

//{ Driver Code Starts.
int main()
{
    int T;
    cin>>T;
    while(T--)
    {
    	int n;
    	cin>>n;
    	Solution obj;
    	cout<<obj.convertFive(n)<<endl;
    }
}
// } Driver Code Ends