Chef and Rainbow Array Solution Codechef RAINBOWA solution in C, C++, Java, Python and C#

Chef and Rainbow Array Solution Codechef RAINBOWA solution in C, C++, Java, Python and C#

CodeChef Problem Link Main Link- https://www.codechef.com/problems/RAINBOWA

Problem Name: Chef and Rainbow Array solution Codechef
Problem Number : CodeChef- Chef and Rainbow Array RGAME
Online Judge : CodeChef Online Judge Solution
Category: Beginner
Solution Language : C,C plus plus, java, python, c#(c sharp)

CodeChef Solution Chef and Rainbow Array Code in C / Codechef RAINBOWA solution in c language:

#include<stdio.h>
int main()
{
    int t,i,arr[100],n,p;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%d",&n);
        p=0;
        for(i=0;i<n;i++)
        {
            scanf("%d",&arr[i]);
        }
        if(arr[n/2]==7)
        {
           
            for(i=0;i<n/2;i++)
            {
                if(arr[i]!=arr[n-1-i])
                {
                    p=-1;
                    break;
                }
            }
        }
        else
            p=-1;
        if(p==-1)
            printf("non");
        else
            printf("yesn");
    }
    return 0;
}

CodeChef Solution Chef and Rainbow Array Code / CodeChef RAINBOWA solution in CPP:

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    int tc;
    scanf("%d",&tc);
    while(tc--)
    {
        int n;
        scanf("%d",&n);
        int a[n];
        for(int i=0;i<n;i++)
            scanf("%d",&a[i]);
        int ind=0,  c=1,rain=1;
        int b[13];
        for(int i=0;i<(n/2);i++)
        {
            if(a[i]!=a[n-1-i])
            {
                rain=0;
                break;
            }
            if(a[i]!=c)
                c++;
            if(a[i]!=c || c>7)
            {
                rain=0;
                break;
            }
        }
        
        if(rain==0 || a[n/2]!=7)
            printf("non");
        else
            printf("yesn");
    }
    return 0;
}  

CodeChef Solution Chef and Rainbow Array Code / CodeChef RAINBOWA solution in Perl:

use strict;
use warnings;

chomp(my $number_of_tests = <>);
my @results;


for my $i (1..$number_of_tests) {
    chomp(my $number_of_elements = <>);
    chomp(my @test_array = split (/ /, <>));
    push @results, rainbow_array($number_of_elements, @test_array);
}

sub rainbow_array{
    my ($elements, $array_ref) = @_;
    my @test_array = @{ $array_ref };
    my $i = 0;
    my $j = $elements - 1;
    my $result = "yes";
    while ($i < $elements / 2) {
        if (($test_array[$i] == $test_array[$j])
            && ($test_array[int($elements / 2)] == 7)
        ) {
            $i++;
        $j--;
    }
    else {
        $result = "no";
        last;
    }
}
return $result;
}

print "$_n" for @results;

CodeChef Solution Chef and Rainbow Array Code / CodeChef RAINBOWA solution in  Python:

for _ in range(int(raw_input())):
    n = int(raw_input())
    a = map(int,raw_input().split())
    x=[0]*7
    y=[0]*7  
    if set(a)^set(range(1,8))!=set([]):
        print "no"
        continue
        z=1
        f=False
    for i in range((n+1)//2):
        if a[i]<z:
            print a[i],z
            f=True
            break
            z=a[i]        
            x[a[i]-1]+=1
            if f:
                print "no"
                continue
                z=7
    for i in range(n//2,n):
        if a[i]>z:
            f=True
            break
            y[a[i]-1]+=1
            if f or x!= y or 0 in x:
                print "no"
            else:
                print "yes" 

CodeChef Solution Chef and Rainbow Array Problem Code: RAINBOWA Code / CodeChef RAINBOWA solution in  C# (C Sharp):

using System;

namespace nishu_01
{
    public class RainBow_Array
    {
        public static void Main(String[] args)
        {
            bool var = true;
            int t = int.Parse (Console.ReadLine ());
            for (int i = 0; i < t; i++) 
            {
                int k = 0, count = 0, j = 0;
                int n = int.Parse (Console.ReadLine ());
                string[] str = new string[n];
                str =Console.ReadLine ().Split ();
                int[] strtoint = new int[str.Length];
                //Console.WriteLine (strtoint.Length);
                for(j=0;j<strtoint.Length;j++)
                {
                    strtoint [j] = int.Parse (str [j]);
                }
                if(strtoint[strtoint.Length/2]==7)
                {
                    for(k=0;k<(strtoint.Length/2) && 7==strtoint[strtoint.Length/2];k++)
                    {
                        if (strtoint [0] == 0) 
                        {
                            Console.WriteLine ("no");
                            var = false;
                            break;
                        }
                        else if ((strtoint [k] == strtoint [k+1]) || (strtoint [k] ==strtoint [k+1]-1 )) 
                            continue;
                        else 
                        {
                            Console.WriteLine ("no");
                            var =false;
                            break;
                        }
                    }
                    if (var == true && k == (strtoint.Length / 2))  
                    {
                        for (k = ((n % 2 == 0) ? (strtoint.Length / 2) : (strtoint.Length / 2) + 1); k < strtoint.Length; k++) 
                            {
                                count = count + 1;
                                if (strtoint [k] == strtoint [(strtoint.Length / 2) - count]) 
                                {
                                    if (strtoint [k] == strtoint [(strtoint.Length / 2) - count] && k == strtoint.Length - 1)
                                        Console.WriteLine ("yes");
                                } 
                        //Console.WriteLine ("yes");
                                else
                                {
                                    Console.WriteLine ("no");
                                    break;
                                }
                            }
                        } 

                    }
                    else
                        Console.WriteLine("no");
                }
            }
        }
    }

Demonstration:
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