Anton likes to play chess, and so does his friend Danik.
Once they have played n games in a row. For each game it’s known who was the winner — Anton or Danik. None of the games ended with a tie.
Now Anton wonders, who won more games, he or Danik? Help him determine this.
Input
The first line of the input contains a single integer n (1 ≤ n ≤ 100 000) — the number of games played.
The second line contains a string s, consisting of n uppercase English letters ‘A’ and ‘D’ — the outcome of each of the games. The i-th character of the string is equal to ‘A’ if the Anton won the i-th game and ‘D’ if Danik won the i-th game.
Output
If Anton won more games than Danik, print “Anton” (without quotes) in the only line of the output.
If Danik won more games than Anton, print “Danik” (without quotes) in the only line of the output.
If Anton and Danik won the same number of games, print “Friendship” (without quotes).
Eamples
Input
6 ADAAAA
Output
Anton
Input
7 DDDAADA
Output
Danik
Input
6 DADADA
Output
Friendship
Solution
C# Solution
Solution1
int n = int.Parse(Console.ReadLine());
string text = Console.ReadLine();
int aCnt = 0;
int dCnt = 0;
foreach(var c in text){
if(c=='A')
{
aCnt+=1;
}
else
{
dCnt+=1;
}
}
string res = "Friendship";
if(aCnt>dCnt){
res = "Anton";
}
else if(dCnt>aCnt)
{
res = "Danik";
}
Console.WriteLine(res);
This code takes input for the number of games n and a string text representing the outcomes of each game (either ‘A’ for Anton or ‘D’ for Danik). It then iterates through each character in the string, counting the occurrences of ‘A’ and ‘D’ in variables aCnt and dCnt.
Solution2 – use one variable
int n = int.Parse(Console.ReadLine());
string text = Console.ReadLine();
int ans = 0;
foreach(var c in text){
if(c=='A')
{
ans-=1;
}
else
{
ans+=1;
}
}
string res = "Friendship";
if(ans<0){
res = "Anton";
}
else if(ans>0)
{
res = "Danik";
}
Console.WriteLine(res);
This approach is more concise as it utilizes a single variable (ans) to track the difference, eliminating the need for two separate counters.
Java Solution
Solution1
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String n = scanner.nextLine(); //no use
String text = scanner.nextLine();
int ans = 0;
for (char c : text.toCharArray()) {
if(c=='A')
{
ans-=1;
}
else
{
ans+=1;
}
}
String res = "Friendship";
if(ans<0){
res = "Anton";
}
else if(ans>0)
{
res = "Danik";
}
System.out.print(res);
}
}
Python3 Solution
Solution1
n = int(input())
text = input()
ans = 0
for c in text:
if(c=='A'):
ans-=1
else:
ans+=1
res = "Friendship"
if(ans<0):
res = "Anton"
elif(ans>0):
res = "Danik"
print(res)
JavaScript Solution
Solution1
var n = parseInt(readline());
var text = readline();
var ans = 0
for(var c of text) {
if(c=='A'){
ans-=1;
}
else{
ans+=1;
}
}
res = "Friendship";
if(ans<0){
res = "Anton";
}
else if(ans>0){
res = "Danik";
}
print(res);
Conclusion
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✅If you got any problem about the explanation or you need other programming language solution, please feel free to let me know !!
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