CS
cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string input = Console.ReadLine();
int length = input.Length;
int count = 0;
for(int j = 0; j<length; j++){
for(int i = j+1;i<length;i++){
if(input[j]==input[i]){
Console.WriteLine("Deja Vu");
count++;
break;
}
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OUTPUT
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