Wednesday, 5 April 2017

Geeksforgeeks Solution For " Largest Number formed from an Array "

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Problem :- Largest Number formed from an Array .

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Solution :- 

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;

int myCompare(string X, string Y)
{
string XY = X.append(Y);
string YX = Y.append(X);
return XY.compare(YX) > 0 ? 1: 0;
}

void printLargest(vector<string> arr)
{
sort(arr.begin(), arr.end(), myCompare);

for (int i=0; i < arr.size() ; i++ )
cout << arr[i];
}

int main()
{
int t;
cin>>t;
while(t--)
{
   int n,i;
   cin>>n;
   vector<string> arr(n);
   for(i=0;i<n;i++)
   cin>>arr[i];
   printLargest(arr);
   cout<<endl;
}
return 0;
}

Output:-



Geeksforgeeks Solution For " Largest Number formed from an Array "

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