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use tokio::io::{AsyncReadExt, AsyncWriteExt};
use tokio::net::TcpListener;
async fn async_main() {
let listener = TcpListener::bind("0.0.0.0:33733").await.unwrap();
loop {
let (mut socket, _) = listener.accept().await.unwrap();
tokio::spawn(async move {
let mut s: f64 = 20181218.333333;
loop {
let loopcnt = socket.read_u64_le().await;
if let Ok(loopcnt) = loopcnt {
for i in 1..=loopcnt {
let i = i as f64;
let i = i * i;
let s1 = s * i;
s = s1 / (s + 7.7);
}
} else {
break;
}
socket.write_u64_le(s as u64).await.unwrap();
}
});
}
}
fn main() {
tokio::runtime::Builder::new_multi_thread()
.enable_all()
.worker_threads(4)
.max_worker_threads(5)
.build()
.unwrap()
.block_on(async_main());
}