SOLUTION INFO
Java · Main.java
import java.util.*;
import java.io.*;
public class Main {
static int dp[] = new int[12];
public static void main(String[] args) {
FastReader rd = new FastReader();
dp[1] = 1;
dp[2] = 2;
dp[3] = 4;
for(int i = 4;i <= 11;i++)
dp[i] = dp[i - 1] + dp[i - 2] + dp[i - 3];
int T = rd.nextInt();
while(T --> 0) {
int n = rd.nextInt();
System.out.println(dp[n]);
}
}
static class FastReader {
BufferedReader br;
StringTokenizer st;
public FastReader() {
br = new BufferedReader(new InputStreamReader(System.in));
}
String next() {
while(st == null || !st.hasMoreElements()) {
try {
st = new StringTokenizer(br.readLine());
}
catch (IOException e) {
e.printStackTrace();
}
}
return st.nextToken();
}
int nextInt() { return Integer.parseInt(next()); }
long nextLong() { return Long.parseLong(next()); }
String nextLine() {
String str = "";
try {
str = br.readLine();
}
catch (IOException e) {
e.printStackTrace();
}
return str;
}
}
}
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