[20250811] BOJ / G3 / 합 / 이종환

0224LJH/202508/11 BOJ 합.md

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+```java
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.*;
+
+
+public class Main {
+
+    static String[] words;
+    static long[] alphabetCnt;
+    static long ans;
+    static int numCnt;
+    static HashSet<Integer> firstLetter  = new HashSet<>();
+
+    public static void main(String[] args) throws IOException {
+        init();
+        process();
+        print();
+    }
+
+    private static void init() throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        numCnt = Integer.parseInt(br.readLine());
+        words = new String[numCnt];
+        for (int i = 0; i < numCnt; i++) {
+            words[i] = br.readLine();
+        }
+
+        alphabetCnt = new long[10];
+        ans = 0;
+    }
+
+    private static void process() throws IOException {
+        for (int i = 0; i < numCnt; i++){
+            String t = words[i];
+            firstLetter.add(t.charAt(0)-'A');
+            for (int j = 0; j < t.length(); j++) {
+                alphabetCnt[t.charAt(j)-'A'] += (long) Math.pow(10,t.length() -1 -j);
+            }
+        }
+
+        long minCnt = Long.MAX_VALUE;
+        int minCntAlphabet = -1;
+        for (int i = 0; i <= 9; i++){
+            if (firstLetter.contains(i))continue;
+
+            if (alphabetCnt[i] < minCnt) {
+                minCnt = alphabetCnt[i];
+                minCntAlphabet = i;
+            }
+        }
+
+        alphabetCnt[minCntAlphabet] = 0;
+
+        Arrays.sort(alphabetCnt);
+
+        for (int i = 9; i >= 0; i--){
+            ans += alphabetCnt[i] * i;
+        }
+
+
+    }
+
+
+    private static void print() {
+        System.out.println(ans);
+    }
+}
+```