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Q2493.java
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Q2493.java
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package olympiad;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.Stack;
import java.util.StringTokenizer;
public class Q2493 {
private static class Pair{
int height;
int index;
public Pair(int height, int index){
this.height = height;
this.index = index;
}
}
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int N = Integer.parseInt(br.readLine());
StringTokenizer st = new StringTokenizer(br.readLine());
Stack<Pair> stack = new Stack<Pair>();
for (int i = 1; i <= N; i++) {
int cur = Integer.parseInt(st.nextToken());
boolean isFound = false;
while(!stack.isEmpty()){
Pair curPair = stack.pop();
if(curPair.height >= cur){
stack.push(curPair);
bw.write(curPair.index + " ");
isFound = true;
break;
}
}
stack.push(new Pair(cur, i));
if(!isFound)
bw.write("0 ");
}
bw.write("\n");
br.close();
bw.close();
}
}