first commit

J08022 - PHẦN TỬ BÊN PHẢI ĐẦU TIÊN LỚN HƠN.java

@@ -0,0 +1,30 @@
+import java.util.*;
+import java.io.*;
+
+public class Main {
+    public static void main(String[] args) throws IOException, ClassNotFoundException {
+        // Scanner sc = new Scanner(new File("ONLINE.in"));
+        Scanner sc = new Scanner(System.in);
+        int t = sc.nextInt();
+        while(t-->0){
+            int n = sc.nextInt();
+            int[] a = new int[n];
+            int[] ans = new int[n];
+            for(int i=0;i<n;i++) a[i]=sc.nextInt();
+            Stack<Integer> st = new Stack<>();
+            for(int i=n-1;i>=0;i--){
+                if(st.empty()){
+                    ans[i]=-1;
+                    st.push(a[i]);
+                }else{
+                    while(!st.empty() && st.lastElement()<=a[i]) st.pop();
+                    if(st.empty()) ans[i] = -1;
+                    else ans[i] = st.lastElement();
+                    st.push(a[i]);
+                }
+            }
+            for(int i=0;i<n;i++) System.out.printf("%d ",ans[i]);
+            System.out.println();
+        }
+    }
+}