• [BOJ] 9015번: Square2019.04.12
• [BOJ] 13124번: 순열 그래프의 전갈성 판별2019.04.12
• [BOJ] 3830번: Never Wait for Weights2019.04.12
• [BOJ] 15501번: 부당한 퍼즐2019.04.12
• [Cryptanalysis] Service - Timing attack2019.04.10
• [Cryptanalysis] RSA - Decipher Oracle2019.04.10
• [Cryptanalysis] RSA - Factorisation2019.04.10
• [Cryptanalysis] LFSR - Known plaintext2019.04.10
• [Cryptanalysis] AES - ECB2019.04.04
• [Wargame.kr] dmbs3552019.04.03
• [Wargame.kr] QnA2019.04.03
• [Wargame.kr] ip log table2019.04.02
• [Wargame.kr] SimpleBoard2019.04.02
• [BOJ] 3116번: MIKRO2019.04.02
• [BOJ] 10510번: Bricks2019.04.02
• [BOJ] 7982번: Inversions2019.04.02
• [BOJ] 11895번: 속이기2019.04.02
• .2019.04.02
• 서비스 잠깐 닫습니다42019.03.31
• [BOJ] 11012번: Egg2019.03.30