Mutated Minions: CHN15A

                     

Mutated Minions Codechef Solution

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Gru has not been in the limelight for a long time and is, therefore, planning something particularly nefarious. Frustrated by his minions’ incapability which has kept him away from the limelight, he has built a transmogrifier — a machine which mutates minions.

Each minion has an intrinsic characteristic value (similar to our DNA), which is an integer. The transmogrifier adds an integer K to each of the minions’ characteristic value.

Gru knows that if the new characteristic value of a minion is divisible by 7, then it will have Wolverine-like mutations.

Mutated Minions Codechef Solution

Given the initial characteristic integers of N minions, all of which are then transmogrified, find out how many of them become Wolverine-like.

Input Format:

The first line contains one integer, T, which is the number of test cases. Each test case is then described in two lines.

The first line contains two integers N and K, as described in the statement.

The next line contains N integers, which denote the initial characteristic values for the minions.

Output Format:

For each testcase, output one integer in a new line, which is the number of Wolverine-like minions after the transmogrification.

Constraints:

  • 1 ≤ T ≤ 100
  • 1 ≤ N ≤ 100
  • 1 ≤ K ≤ 100
  • All initial characteristic values lie between 1 and 105, both inclusive.

Example

Input:
1
5 10
2 4 1 35 1

Output:
1

Explanation:

After transmogrification, the characteristic values become {12,14,11,45,11}, out of which only 14 is divisible by 7. So only the second minion becomes Wolverine-like.

Mutated Minions Codechef Solution in JAVA

/* package codechef; // don't place package name! */

import java.util.Scanner;


/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
    static Scanner any = new Scanner(System.in);
    public static void findMinions (int numOfTest) {
        
        while (numOfTest > 0)   {
            int araSize = any.nextInt();
            int increment = any.nextInt();
            int[] ara = new int[araSize];
            
            for (int i=0; i< araSize; i++)   {
                ara[i] = any.nextInt();
                ara[i] += increment;
            }

            increment = 0;
            for (int temp : ara)    {
                if (temp % 7 == 0)
                    increment++;
            }
            System.out.println (increment);
            numOfTest--;
        }
    }
    
	public static void main (String[] args) throws java.lang.Exception
	{
		int numOfTest = any.nextInt();
        findMinions(numOfTest);
	}
}

Mutated Minions Codechef Solution in C++

void solve_test()
{
    int n, k, current;
    cin >> n >> k; 
    int arr[n];
    int i;
    for (i = 0; i < n; i++)    cin >> arr[i];
    int result = 0;
    for (i = 0; i < n; i++)
    {
        current = arr[i] + k;
        if (current % 7 == 0)
            result++;
    }
    cout << result << endl;
}

int main() {
    int t;
    cin >> t;
    while (t--)
        solve_test();
    return 0;
}

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