meituan-004. 小团的复制粘贴

src/main/java/study/plan/meituan/Solution.java

@@ -1,7 +1,7 @@
 package study.plan.meituan;
 
 import java.io.*;
-import java.util.*;
+import java.util.StringTokenizer;
 
 public class Solution {
 
@@ -15,39 +15,7 @@ public class Solution {
     }
 
     public static void solve() throws IOException {
-        int T = sc.nextInt();
-        while(T-- > 0){
-            String s = sc.next();
-            if(s.length() == 0){
-                pw.println("Wrong");
-                continue;
-            }
-            if(!Character.isLetter(s.charAt(0))){
-                pw.println("Wrong");
-                continue;
-            }
 
-            boolean flag = true;
-            boolean hasLetter = false;
-            boolean hasDigit = false;
-            for (int i = 0; i < s.length(); i++) {
-                if(!(Character.isLetter(s.charAt(i)) || Character.isDigit(s.charAt(i)))){
-                    flag = false;
-                    break;
-                }
-                if(Character.isLetter(s.charAt(i))){
-                    hasLetter = true;
-                }
-                if(Character.isDigit(s.charAt(i))){
-                    hasDigit = true;
-                }
-            }
-            if(flag && hasLetter && hasDigit){
-                pw.println("Accept");
-            }else{
-                pw.println("Wrong");
-            }
-        }
     }
 
 

src/main/java/study/plan/meituan/meituan004/Solution.java

@@ -0,0 +1,92 @@
+package study.plan.meituan.meituan004;
+
+import java.io.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.StringTokenizer;
+
+public class Solution {
+
+    static Scanner sc;
+    static PrintWriter pw;
+
+    public static void main(String[] args) throws IOException {
+        sc = new Scanner(System.in);
+        pw = new PrintWriter(System.out);
+        solve();
+        pw.close();
+    }
+
+    public static void solve() throws IOException {
+        int length = sc.nextInt();
+        int[] bArr = new int[length];
+        Arrays.fill(bArr, -1);
+        int[] aArr = sc.nextIntArr(length);
+        int num = sc.nextInt();
+        List<Integer> list = new ArrayList<>();
+        for (int i = 0; i < num; i++) {
+            int op = Integer.parseInt(sc.next());
+            if (op == 2) {
+                list.add(bArr[Integer.parseInt(sc.next()) - 1]);
+            } else {
+                int k = Integer.parseInt(sc.next());
+                int x = Integer.parseInt(sc.next()) - 1;
+                int y = Integer.parseInt(sc.next()) - 1;
+//                System.arraycopy(aArr, x, bArr, y, k);
+                for (int j = 0; j < k; j++) {
+                    if (y >= bArr.length || x >= aArr.length) {
+                        break;
+                    }
+                    bArr[y] = aArr[x];
+                    x++;
+                    y++;
+                }
+            }
+        }
+        for (Integer integer : list) {
+            pw.println(integer);
+        }
+    }
+
+
+    static class Scanner {
+        BufferedReader br;
+        StringTokenizer st;
+
+        public Scanner(InputStream s) {
+            br = new BufferedReader(new InputStreamReader(s));
+        }
+
+        public Scanner(FileReader f) {
+            br = new BufferedReader(f);
+        }
+
+        public String next() throws IOException {
+            while (st == null || !st.hasMoreTokens())
+                st = new StringTokenizer(br.readLine());
+            return st.nextToken();
+        }
+
+        public int nextInt() throws IOException {
+            return Integer.parseInt(next());
+        }
+
+        public long nextLong() throws IOException {
+            return Long.parseLong(next());
+        }
+
+        public double nextDouble() throws IOException {
+            return Double.parseDouble(next());
+        }
+
+        public int[] nextIntArr(int n) throws IOException {
+            int[] arr = new int[n];
+            for (int i = 0; i < n; i++) {
+                arr[i] = Integer.parseInt(next());
+            }
+            return arr;
+        }
+
+    }
+}