Seven Wonders Kattis Problem Solution In Java

//Nayeem Shahriar Joy,Applied Physics & Electronic Engineering, University of Rajshahi.

import java.util.HashSet;

import java.util.Scanner;

import java.util.Set;

public class Joy{

public static void main(String[] args) {

Scanner io = new Scanner(System.in);

String s=io.nextLine();

long ans=0;

int C=0,T=0,G=0;

for(int i=0;i<s.length();i++)

{

char c=s.charAt(i);

if(c=='T')

{

T++;

}

else if(c=='G')

{

G++;

}

else if(c=='C')

{

C++;

}

}

int seven=Math.min(T, Math.min(C,G));

ans=(T*T)+(C*C)+(G*G)+(seven*7);

System.out.println(ans);

}

}