# CodeChef Online Judge Solution Subsequence Equality Problem Code: LIKECS01 – Solution

### CodeChef Online Judge Solution Subsequence Equality Problem Code: LIKECS01 – Solution

CodeChef Online Judge Solution Subsequence Equality | Beginner

Problem Name: Subsequence Equality solution Codechef
Problem Number : CodeChef- Subsequence Equality LIKECS01
Online Judge : CodeChef Online Judge Solution
Category: Beginner
Solution Language : C,C plus plus, java, python, c#(c sharp)

### CodeChef Solution Subsequence Equality Code in C:

``#include <stdio.h> int main(void) {   char s[101];  int hash[30]; int t,i; int j; int tog1=0; scanf("%d",&t); for(i=0;i<t;i++) {     tog1=0;     scanf("%s",s);     for(j=0;j<26;j++)     hash[j]=0;     j=0;     while(s[j]!='')     {         hash[(int)s[j]-'a']++;         if(hash[(int)s[j]-'a']>1&&tog1==0)         tog1=1;                  j++;     }     if(tog1==1)     printf("yesn");     else     printf("non"); }  return 0;}  ``

### CodeChef Solution Subsequence Equality Code / CodeChef LIKECS01 solution in CPP:

``#include <bits/stdc++.h>using namespace std; int main(){  int tt; scanf("%d", &tt); while(tt--){  char c[250];  set s;  scanf("%s", c);  int x = 0;  for(int i=0; c[i]; ++i){   s.insert(c[i]);   ++x;  }    puts(s.size()==x ? "no" : "yes"); } return 0;}``

### CodeChef Solution Subsequence Equality Code / CodeChef LIKECS01 solution in Java:

``import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.io.PrintWriter;class LIKECS01 { public static void main(String[] args) throws Exception {  BufferedReader br = new BufferedReader(new InputStreamReader(System.in));  PrintWriter pw = new PrintWriter(new OutputStreamWriter(System.out));   int t = Integer.parseInt(br.readLine().trim());  while (t-- > 0) {   String str = br.readLine().trim();   int chars[]=new int[27];   for(char ch:str.toCharArray()) {    chars[ch-'a']++;   }   boolean flag=false;   for(int i=0;i1)     flag=true;   if(!flag)   pw.println("no");   else   pw.println("yes");  }  pw.flush();  pw.close(); }}``

### CodeChef Solution Subsequence Equality Code / CodeChef LIKECS01 solution in  Python:

``n=input()for _ in range(n):    x=raw_input()    f=0    for i in x:        if x.count(i) > 1:            print "yes"            f=1            break    if f==0:        print "no"``

### CodeChef Solution Subsequence Equality Problem Code: LIKECS01 Code / CodeChef LIKECS01 solution in  C# (C Sharp):

``using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication2{    class Program    {        static void Main(string[] args)        {            int cases;            Int32.TryParse(Console.ReadLine().ToString(),out cases);            string [] arrString=new string[cases];            for (int i = 0; i < cases; i++)            {                arrString[i] = Console.ReadLine();            }                       for (int k = 0; k < arrString.Length; k++)            {                int[] arr = new int[26];                bool hasSubseq = false;                for (int j = 0; j < arrString[k].Length; j++)                {                    int pos = arrString[k][j] - 'a';                    if(pos>=0&&pos 1)                    {                        hasSubseq = true;                    }                }                if (hasSubseq)                {                    Console.WriteLine("yes");                }                else                {                    Console.WriteLine("no");                }            }            Console.ReadKey();        }    }}``

Demonstration:

Just implement this in coding. Since having any problem just put a comment below. Thanks

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#### By Maniruzzaman Akash

Maniruzzaman Akash is a freelance web developer with most popular Laravel PHP frameork and Vue JS