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ID Problem Category Points % AC ▴ # AC
fcb049_points Beginner Free Contest 49 - POINTS Free Contest 0.20 56.9% 635
nkmobile IOI01 Mobiles OI Style 0.23 56.9% 187
fcb023_ruou Beginner Free Contest 23 - RUOU Free Contest 0.10 56.9% 118
fc080_absmax Free Contest 80 - ABSMAX Free Contest 0.80 57.0% 1089
fc144_maxsum Free Contest 144 - MAXSUM Free Contest 0.70 57.0% 409
icpc21_mb_b ICPC 2021 miền Bắc - B: Shoes Game ICPC 0.05 57.1% 639
vpc23_a Xếp chỗ ngồi Viettel Programming Challenge 0.01 57.1% 455
nknumfre Số thân thiện OI Style 0.05 57.1% 2473
ads Quảng cáo ICPC 0.14 57.1% 1452
f2 Đua xe công thức 2 ICPC 1.78 57.1% 8
tandv Treasures and Vikings ICPC 0.82 57.1% 8
fc092_bquery Free Contest 92 - BQUERY Free Contest 0.46 57.1% 75
icpc19_national_i ICPC 2019 vòng Quốc gia - I: IMO Harder Problem ICPC 1.50 57.1% 8
fcb038_hacknet Beginner Free Contest 38 - HACKNET Free Contest 0.20 57.2% 777
bedao_g02_litpath Bedao Grand Contest 02 - LITPATH Bedao Contest 0.90 57.3% 108
dsu_l Đổ xăng Educational 0.01 57.3% 149
fcb042_ott Beginner Free Contest 42 - OTT Free Contest 0.20 57.3% 795
fcb029_difnple Beginner Free Contest 29 - DIFNPLE Free Contest 0.06 57.4% 1704
fcb011_hcn Beginner Free Contest 11 - HCN Free Contest 0.11 57.4% 59
fct055_lamp Free Contest Testing Round 55 - LAMP Free Contest 0.70 57.4% 800
fct041_ribgame Free Contest Testing Round 41 - RIBGAME Free Contest 0.70 57.4% 125
icpc21_mt_f ICPC 2021 miền Trung - F: Number of Unique Characters ICPC 0.20 57.5% 167
bedao_m09_bracket Bedao Mini Contest 09 - BRACKET Bedao Contest 0.40 57.5% 337
backtrack_k Educational Backtracking: Đổi dấu Educational 0.20 57.5% 206
usaco21os_maze USACO 2021 - Open - Silver - Maze Tic Tac Toe USACO 0.10 57.5% 16
fct027_5_perlis Free Contest Testing Round 27.5 - PERLIS Free Contest 0.70 57.5% 106
fct032_bquery2 Free Contest Testing Round 32 - BQUERY2 Free Contest 0.70 57.5% 61
majstor Majstor ICPC 0.24 57.6% 32
fcb010_travelab Beginner Free Contest 10 - TRAVELAB Free Contest 0.11 57.6% 19
bedao_m02_delgcd Bedao Mini Contest 02 - DELGCD Bedao Contest 0.15 57.6% 167
ivana Trò chơi vòng số ICPC 0.39 57.7% 61
dsu_a Disjoint Sets Union Educational 0.01 57.7% 529
scratch_t01_parity Chẵn lẻ Chưa phân loại 0.01 57.7% 142
fcb014_evensum Beginner Free Contest 14 - EVENSUM Free Contest 0.05 57.8% 1609
kcoin VO 12 Bài 3 - Trò chơi với đồng xu VNOI Online 0.41 57.9% 80
atcoder_dp_c Atcoder Educational DP Contest C - Vacation Atcoder 0.25 57.9% 4718
ioi21_registers IOI 2021 - Day 2 - Task 3 - Bit Shift Registers International Olympiad in Informatics 1.00 57.9% 10
fcb015_binhluan Beginner Free Contest 15 - BINHLUAN Free Contest 0.75 57.9% 10
fcb021_coupon Beginner Free Contest 21 - COUPON Free Contest 0.10 57.9% 9
fct035_ranking Free Contest Testing Round 35 - RANKING Free Contest 0.70 57.9% 639
fc140_strongpasswd Free Contest 140 - STRONGPASSWD Free Contest 0.70 57.9% 863
fc114_lcmpair Free Contest 114 - LCMPAIR Free Contest 0.50 58.0% 217
ttrip Tham quan Thành Cổ OI Style 0.34 58.1% 519
fct010_fish Free Contest Testing Round 10 - FISH Free Contest 0.94 58.1% 56
bonus VOI 11 Bài 1 - Phần thưởng HSG Quốc gia 0.07 58.2% 2329
olp304_16_taitrong Olympic 30/4 2016 - Khối 10 - Bài 2 - Tải trọng tuyến đường Olympic 30/4 0.40 58.2% 724
centroid_d Giám sát vương quốc Educational 0.01 58.3% 128
fc124_binarystring Free Contest 124 - BINARYSTRING Free Contest 0.13 58.3% 320
egg2 Thả trứng 2 ICPC 1.82 58.3% 8
pool Bi-a OI Style 1.95 58.3% 6