Nguyen Quang Truong jalsol

## cses_decompiled.cpp
/*  compiled for x86‑64 (glibc)  */
/*  addresses shown are for the public binary on chall.blackpinker.com   */

#include <bits/stdc++.h>
using namespace std;

static const int NMAX = 100;          // the task fixes n = 100

/* ------------------------------------------------------------------ */
/*  global objects live in .bss                                        */

## cses.py
#!/usr/bin/env python3
from pwn import *

# ——— Binary & context setup ———
exe = ELF('./chall', checksec=False)      # keep symbols for convenience
context.binary = exe
context.log_level = 'info'

HOST, PORT = 'chall.blackpinker.com', 33430

## thienly.py

#!/usr/bin/env python3
import wave, sys, pathlib

def lsb_stream(byte_seq):
    """Yield bytes rebuilt from the MS‑bit‑first LSBs of *byte_seq*."""
    cur = 0
    bit = 7
    for b in byte_seq:
        cur |= (b & 1) << bit          # original big‑endian bit order

## vibed_map.py
import random
from typing import Dict, List, Set, Tuple, Optional
from dataclasses import dataclass

@dataclass
class Cell:
    type: str  # "danger", "shield", or "gold"
    count: int = 0  # Only used for gold cells

@dataclass

## hi.ml
let () = print_endline "hi"

## Boston.csv

          
            crim
            zn
            indus
            chas
            nox
            rm
            age
            dis
            rad
            tax
            ptratio
            b
            lstat
            medv

            
              0.00632
              18
              2.31
              0
              0.538
              6.575
              65.2
              4.09
              1
              296
              15.3
              396.9
              4.98
              24

            
              0.02731
              0
              7.07
              0
              0.469
              6.421
              78.9
              4.9671
              2
              242
              17.8
              396.9
              9.14
              21.6

            
              0.02729
              0
              7.07
              0
              0.469
              7.185
              61.1
              4.9671
              2
              242
              17.8
              392.83
              4.03
              34.7

            
              0.03237
              0
              2.18
              0
              0.458
              6.998
              45.8
              6.0622
              3
              222
              18.7
              394.63
              2.94
              33.4

            
              0.06905
              0
              2.18
              0
              0.458
              7.147
              54.2
              6.0622
              3
              222
              18.7
              396.9
              5.33
              36.2

            
              0.02985
              0
              2.18
              0
              0.458
              6.43
              58.7
              6.0622
              3
              222
              18.7
              394.12
              5.21
              28.7

            
              0.08829
              12.5
              7.87
              0
              0.524
              6.012
              66.6
              5.5605
              5
              311
              15.2
              395.6
              12.43
              22.9

            
              0.14455
              12.5
              7.87
              0
              0.524
              6.172
              96.1
              5.9505
              5
              311
              15.2
              396.9
              19.15
              27.1

            
              0.21124
              12.5
              7.87
              0
              0.524
              5.631
              100
              6.0821
              5
              311
              15.2
              386.63
              29.93
              16.5

## cpu_usage.cpp
#include <fstream>
#include <optional>
#include <string>
#include <thread>
#include <atomic>
#include <limits>
#include <chrono>
#include <stop_token>

struct Jiffies {

## rules.txt
# Rules

## Quy ước

Item = vàng, vật cản, khiên, kho báu

## Init pos

- Team quyết định init pos (phải là ô trống)
- 1 thuyền không hợp lệ -> random ô trống không trùng đội hợp lệ còn lại

## truyentin.py
import random
import hashlib
import sys

MESSAGE_LEN = 35
ENCODED_SLICE = 12
MESSAGE_SLICE = 10
BLOCK_SLICE = 8

random.seed(int(hashlib.sha256(sys.argv[1].encode('utf-8')).hexdigest(), 16))

## hcmus_crawl.py
from bs4 import BeautifulSoup
import requests

url = "https://tsdh.hcmus.edu.vn/ketqua"

headers = {
    "Accept": "*/*",
    "Content-Type": "application/x-www-form-urlencoded"
}
	/* compiled for x86‑64 (glibc) */
	/* addresses shown are for the public binary on chall.blackpinker.com */

	#include <bits/stdc++.h>
	using namespace std;

	static const int NMAX = 100; // the task fixes n = 100

	/* ------------------------------------------------------------------ */
	/* global objects live in .bss */
	#!/usr/bin/env python3
	from pwn import *

	# ——— Binary & context setup ———
	exe = ELF('./chall', checksec=False) # keep symbols for convenience
	context.binary = exe
	context.log_level = 'info'

	HOST, PORT = 'chall.blackpinker.com', 33430

	#!/usr/bin/env python3
	import wave, sys, pathlib

	def lsb_stream(byte_seq):
	"""Yield bytes rebuilt from the MS‑bit‑first LSBs of byte_seq."""
	cur = 0
	bit = 7
	for b in byte_seq:
	cur \|= (b & 1) << bit # original big‑endian bit order
	import random
	from typing import Dict, List, Set, Tuple, Optional
	from dataclasses import dataclass

	@dataclass
	class Cell:
	type: str # "danger", "shield", or "gold"
	count: int = 0 # Only used for gold cells

	@dataclass
crim	zn	indus	chas	nox	rm	age	dis	rad	tax	ptratio	b	lstat	medv
0.00632	18	2.31	0	0.538	6.575	65.2	4.09	1	296	15.3	396.9	4.98	24
0.02731	0	7.07	0	0.469	6.421	78.9	4.9671	2	242	17.8	396.9	9.14	21.6
0.02729	0	7.07	0	0.469	7.185	61.1	4.9671	2	242	17.8	392.83	4.03	34.7
0.03237	0	2.18	0	0.458	6.998	45.8	6.0622	3	222	18.7	394.63	2.94	33.4
0.06905	0	2.18	0	0.458	7.147	54.2	6.0622	3	222	18.7	396.9	5.33	36.2
0.02985	0	2.18	0	0.458	6.43	58.7	6.0622	3	222	18.7	394.12	5.21	28.7
0.08829	12.5	7.87	0	0.524	6.012	66.6	5.5605	5	311	15.2	395.6	12.43	22.9
0.14455	12.5	7.87	0	0.524	6.172	96.1	5.9505	5	311	15.2	396.9	19.15	27.1
0.21124	12.5	7.87	0	0.524	5.631	100	6.0821	5	311	15.2	386.63	29.93	16.5
	#include <fstream>
	#include <optional>
	#include <string>
	#include <thread>
	#include <atomic>
	#include <limits>
	#include <chrono>
	#include <stop_token>

	struct Jiffies {
	# Rules

	## Quy ước

	Item = vàng, vật cản, khiên, kho báu

	## Init pos

	- Team quyết định init pos (phải là ô trống)
	- 1 thuyền không hợp lệ -> random ô trống không trùng đội hợp lệ còn lại
	import random
	import hashlib
	import sys

	MESSAGE_LEN = 35
	ENCODED_SLICE = 12
	MESSAGE_SLICE = 10
	BLOCK_SLICE = 8

	random.seed(int(hashlib.sha256(sys.argv[1].encode('utf-8')).hexdigest(), 16))
	from bs4 import BeautifulSoup
	import requests

	url = "https://tsdh.hcmus.edu.vn/ketqua"

	headers = {
	"Accept": "/",
	"Content-Type": "application/x-www-form-urlencoded"
	}