Problem Problem code Category Points AC % AC #
Đoạn Con 3 bc_doancon3 Bài cho contest 0,2 10% 3
Ngày nguyên tố olp6etio OLP MT&TN 800p 20% 2
Robot olp6robot OLP MT&TN 1700p 0% 0
Tiến hóa olp6evolution OLP MT&TN 1700p 0% 0
Phân định phóng xạ olp6pointcoloring OLP MT&TN 1700p 0% 0
Trò chơi thực tế olp6game OLP MT&TN 1700p 0% 0
Tách cây olp6splittree OLP MT&TN 1700p 0% 0
Dò mìn olp6minesweeper OLP MT&TN 1 0% 0
Truy vấn trên cây olp6treeorder OLP MT&TN 1 0% 0
A + B (số thực) aaddbrealnumber Khác 1 11% 2
Thiết kế vi mạch olp6lineconnect OLP MT&TN 2700p 0% 0
CANH GÁC BẢO TÀNG - DP +SEG canhgacbt ABC 100p 0% 0
Phát quà (Bài 2 HSG9 Tỉnh Bà Rịa - Vũng Tàu 2025) brvthsg92025gifts HSG THCS 1p 38% 5
Cắt hoa (Bài 4 HSG9 Tỉnh Bà Rịa - Vũng Tàu 2025) brvthsg92025fcut HSG THCS 1p 13% 1
Số đẹp (Bài 1 HSG9 Tỉnh Bà Rịa - Vũng Tàu 2025) brvthsg92025bnum HSG THCS 1p 26% 5
Tổng liên tiếp (Bài 3 HSG9 Tỉnh Bà Rịa - Vũng Tàu 2025) brvthsg92025maxs HSG THCS 1p 20% 4
KẾ HOẠCH THI ĐẤU b4qhd HSG THPT 100p 0% 0
ĐOÀN XE QUA CẦU cau2e12 HSG THPT 100p 0% 0
CON ĐƯỜNG HOA b4d4 HSG THPT 100p 0% 0
Ô TÔ BAY otbay23 ABC 100p 0% 0
TẶNG QUÀ tangquabg2023 ABC 100p 0% 0
CHUYỀN TIN bt2022 ABC 100p 0% 0
CHỌN QUÀ hsg111516 ABC 100p 0% 0
Hinh chữ nhật (11_15_16) 11hsg1516 ABC 100p 0% 0
Cây dễ eztree Khác 2400p 13% 1
USACO 2022 US Open Contest, Bronze, Alchemy 2022usopenbronze3 USACO 1000p 0% 0
USACO 2022 US Open Contest, Bronze, Counting Liars 2022usopenbronze2 USACO 1000p 0% 0
USACO 2022 US Open Contest, Bronze, Photoshoot 2022usopenbronze1 USACO 1000p 0% 0
USACO 2022 US Open Contest, Silver, COW Operations 2022usopensilver3 USACO 1000p 0% 0
USACO 2022 US Open Contest, Silver, Subset Equality 2022usopensilver2 USACO 1000p 0% 0
USACO 2022 US Open Contest, Silver, Visits 2022usopensilver1 USACO 1000p 0% 0
USACO 2022 US Open Contest, Gold, Balancing a Tree 2022usopengold3 USACO 1000p 0% 0
USACO 2022 US Open Contest, Gold, Pair Programming 2022usopengold2 USACO 1000p 0% 0
USACO 2022 US Open Contest, Gold, Apple Catching 2022usopengold1 USACO 1000p 0% 0
USACO 2022 US Open Contest, Platinum, Up Down Subsequence 2022usopenplatinum3 USACO 1000p 0% 0
USACO 2022 US Open Contest, Platinum, Hoof and Brain 2022usopenplatinum2 USACO 1000p 0% 0
USACO 2022 US Open Contest, Platinum, 262144 Revisited 2022usopenplatinum1 USACO 1000p 0% 0
USACO 2022 December Contest, Bronze, Reverse Engineering 2022decbronze3 USACO 1000p 0% 0
USACO 2022 December Contest, Bronze, Feeding the Cows 2022decbronze2 USACO 1000p 0% 0
USACO 2022 December Contest, Bronze, Cow College 2022decbronze1 USACO 1000p 0% 0
USACO 2022 December Contest, Silver, Range Reconstruction 2022decsilver3 USACO 1000p 0% 0
USACO 2022 December Contest, Silver, Circular Barn 2022decsilver2 USACO 1000p 0% 0
USACO 2022 December Contest, Silver, Barn Tree 2022decsilver1 USACO 1000p 0% 0
USACO 2022 December Contest, Gold, Strongest Friendship Group 2022decgold3 USACO 1000p 0% 0
USACO 2022 December Contest, Gold, Mountains 2022decgold2 USACO 1000p 0% 0
USACO 2022 December Contest, Gold, Bribing Friends 2022decgold1 USACO 1000p 0% 0
USACO 2022 December Contest, Platinum, Palindromes 2022decplatinum3 USACO 1000p 33% 1
USACO 2022 December Contest, Platinum, Making Friends 2022decplatinum2 USACO 1000p 0% 0
USACO 2022 December Contest, Platinum, Breakdown 2022decplatinum1 USACO 1000p 0% 0
USACO 2023 January Contest, Bronze, Moo Operations 2023janbronze3 USACO 1000p 0% 0