Problem list

Problem search

Point range
Go Random

Hot problems

ID Problem ▴ Category Points % AC # AC
m00pair 0 0 Pairs ICPC 0.17 44.6% 55
lqdxeui 2 xe ủi ICPC 0.45 66.4% 84
coin34 34 đồng xu ICPC 0.18 40.6% 206
xoinc A Coin Game ICPC 0.57 65.3% 26
post A cộng B ICPC 0.01 70.7% 2508
post2 A cộng B version 2 ICPC 1.33 33.5% 81
nka1 A1 OI Style 0.76 40.0% 15
acmnb ACM OI Style 0.40 40.1% 694
vnoicup22_final_e Advanced nickname suggestion system VNOI Cup 1.20 16.7% 3
atourism Adventure Tourism ICPC 1.43 41.7% 5
boss Ai là sếp ICPC 0.57 29.8% 35
aladdin Aladdin ICPC 0.34 50.7% 60
allow Allowance OI Style 0.92 39.3% 9
potato Ăn khoai ICPC 0.19 50.0% 70
lis2vn Another Longest Increasing Subsequence Problem ICPC 1.20 23.0% 69
mse08g Another Lucky Numbers ICPC 0.86 75.0% 5
mtree Another Tree Problem ICPC 0.31 41.6% 179
vnoicup22_r3_c Apple harvesting VNOI Cup 0.60 10.6% 87
lem5 ARITHMETIC PROGRESSION OI Style 0.38 18.9% 60
kl11b Arnook Defensive Line ICPC 1.78 85.7% 2
arrays Arrays Chưa phân loại 1.50 9.3% 25
ap Art Plagiarism ICPC 1.36 6.8% 2
assassin Assassin Creed OI Style 1.51 13.2% 4
atcoder_dp_a Atcoder Educational DP Contest A - Frog 1 Atcoder 0.10 50.4% 1588
atcoder_dp_b Atcoder Educational DP Contest B - Frog 2 Atcoder 0.20 46.4% 1354
atcoder_dp_c Atcoder Educational DP Contest C - Vacation Atcoder 0.25 58.1% 1316
atcoder_dp_d Atcoder Educational DP Contest D - Knapsack 1 Atcoder 0.30 41.0% 1166
atcoder_dp_e Atcoder Educational DP Contest E - Knapsack 2 Atcoder 0.30 40.9% 741
atcoder_dp_f Atcoder Educational DP Contest F - LCS Atcoder 0.30 41.6% 848
atcoder_dp_g Atcoder Educational DP Contest G - Longest Path Atcoder 0.20 44.7% 684
atcoder_dp_h Atcoder Educational DP Contest H - Grid 1 Atcoder 0.20 56.8% 811
atcoder_dp_i Atcoder Educational DP Contest I - Coins Atcoder 0.30 53.5% 539
atcoder_dp_j Atcoder Educational DP Contest J - Sushi Atcoder 0.50 61.6% 116
atcoder_dp_k Atcoder Educational DP Contest K - Stones Atcoder 0.50 50.6% 491
atcoder_dp_l Atcoder Educational DP Contest L - Deque Atcoder 0.30 55.0% 421
atcoder_dp_m Atcoder Educational DP Contest M - Candies Atcoder 0.40 38.6% 348
atcoder_dp_n Atcoder Educational DP Contest N - Slimes Atcoder 0.40 52.5% 364
atcoder_dp_o Atcoder Educational DP Contest O - Matching Atcoder 0.30 66.5% 300
atcoder_dp_p Atcoder Educational DP Contest P - Independent Set Atcoder 0.30 54.2% 302
atcoder_dp_q Atcoder Educational DP Contest Q - Flowers Atcoder 0.20 47.5% 464
atcoder_dp_r Atcoder Educational DP Contest R - Walk Atcoder 0.30 62.8% 198
atcoder_dp_s Atcoder Educational DP Contest S - Digit Sum Atcoder 0.30 37.2% 285
atcoder_dp_t Atcoder Educational DP Contest T - Permutation Atcoder 0.50 69.3% 126
atcoder_dp_u Atcoder Educational DP Contest U - Grouping Atcoder 0.35 58.5% 155
atcoder_dp_v Atcoder Educational DP Contest V - Subtree Atcoder 0.60 46.9% 84
atcoder_dp_w Atcoder Educational DP Contest W - Intervals Atcoder 1.00 50.0% 83
atcoder_dp_x Atcoder Educational DP Contest X - Tower Atcoder 1.25 49.7% 141
atcoder_dp_y Atcoder Educational DP Contest Y - Grid 2 Atcoder 1.45 42.6% 137
atcoder_dp_z Atcoder Educational DP Contest Z - Frog 3 Atcoder 1.45 39.9% 130
icpc21_regional_a Awesome MST Problem ICPC 1.90 5.1% 2