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38 lines (34 loc) · 950 Bytes
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Main.java
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38 lines (34 loc) · 950 Bytes
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import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String s = sc.nextLine();
s = s.toLowerCase();
int num = Integer.MIN_VALUE;
int[] alpa = new int[26];
for (int i = 0; i < s.length(); i++) {
alpa[s.charAt(i) - 'a'] += 1;
}
int now = 0;
for (int i = 0; i < alpa.length; i++) {
if (num < alpa[i]) {
num = alpa[i];
now = i;
}
}
int count =0 ;
for (int i = 0; i < alpa.length; i++) {
if (alpa[i]==num){
count++;
}
}
char c = (char) (now + 65);
if (count>1) {
System.out.println("?");
} else {
System.out.println(Character.toUpperCase(c));
}
}
}