Problem list

Problem search

Point range
Go Random

Hot problems

ID Problem Category Points % AC # AC
geo_n Hai đường thẳng song song với đường thẳng cho trước Educational 0.25 27.2% 74
geo_o Kiểm tra điểm thuộc đường thẳng Educational 0.10 79.5% 211
geo_p Kiểm tra điểm thuộc tia Educational 0.15 17.8% 86
geo_q Kiểm tra điểm thuộc đoạn thẳng Educational 0.15 28.8% 119
geo_r Kiểm tra hai điểm khác phía với đường thẳng Educational 0.15 54.1% 124
geo_s Khoảng cách giữa hai tia Educational 0.30 5.3% 36
fct054_bquery Free Contest Testing Round 54 - BQUERY Free Contest 0.70 43.7% 86
fct054_incequal Free Contest Testing Round 54 - INCEQUAL Free Contest 0.70 62.0% 152
fct054_haiqua Free Contest Testing Round 54 - HAIQUA Free Contest 0.70 16.0% 12
fct053_seq3n Free Contest Testing Round 53 - SEQ3N Free Contest 0.70 30.9% 130
fct053_repalind Free Contest Testing Round 53 - REPALIND Free Contest 0.70 46.5% 228
fct053_seqop Free Contest Testing Round 53 - SEQOP Free Contest 0.70 39.0% 14
bedao_r16_a Bedao Regular Contest 16 - Present Continuous Bedao Contest 0.10 59.7% 687
bedao_r16_b Bedao Regular Contest 16 - MAXPROD Bedao Contest 0.20 17.0% 322
bedao_r16_c Bedao Regular Contest 16 - Đá thủ Bedao Contest 0.30 58.5% 576
bedao_r16_d Bedao Regular Contest 16 - DOMINO Bedao Contest 0.50 13.2% 151
bedao_r16_e Bedao Regular Contest 16 - Too Spicy... Bedao Contest 0.80 5.9% 58
bedao_r16_f Bedao Regular Contest 16 - FINDSEQ Bedao Contest 1.50 6.7% 16
fc_ioipc2023_oddlike Free Contest IOI Practice Contest 2023 - ODDLIKE Free Contest 0.70 11.2% 8
fc_ioipc2023_bitseq Free Contest IOI Practice Contest 2023 - BITSEQ Free Contest 0.70 20.0% 13
fc_ioipc2023_target Free Contest IOI Practice Contest 2023 - TARGET Free Contest 0.70 20.7% 4
vpc23_a Xếp chỗ ngồi Viettel Programming Challenge 0.01 61.2% 270
vpc23_b Vận chuyển gạo Viettel Programming Challenge 0.02 35.6% 136
vpc23_c Khảo sát dân cư Viettel Programming Challenge 0.05 36.6% 94
vpc23_d Kết nối Viettel Programming Challenge 0.20 17.6% 30
vpc23_e Nối vòng tay lớn Viettel Programming Challenge 0.20 18.7% 23
vpc23_f Tách từ Viettel Programming Challenge 0.20 27.3% 34
vpc23_g Trạm phát sóng Viettel Programming Challenge 0.20 31.6% 24
vpc23_h STORGE Viettel Programming Challenge 0.50 42.5% 43
vpc23_i Hỗ trợ khách hàng 2 Viettel Programming Challenge 0.50 32.3% 16
vpc23_j Robot thông minh Viettel Programming Challenge 0.50 10.3% 2
vnoicup23_final_a xuanquang1999 and the Problem Selection Process VNOI Cup 0.20 43.4% 234
vnoicup23_final_b TrungNotChung and the Competition Preparation VNOI Cup 0.20 35.2% 117
vnoicup23_final_c ngfam the Navigator VNOI Cup 0.70 13.8% 73
vnoicup23_final_d darkkcyan and Contestant Positions Planning VNOI Cup 0.70 16.9% 36
vnoicup23_final_e lanhf and the VNOI Cup T-Shirt Distribution Process VNOI Cup 0.90 36.5% 18
vnoicup23_final_f1 FireGhost and Perfect Slice 1 VNOI Cup 1.20 15.8% 5
vnoicup23_final_f2 Tahp and Perfect Slice 2 VNOI Cup 1.80 25.9% 4
vnoicup23_final_g MofK and Equipment Installation VNOI Cup 1.80 15.7% 7
vnoicup23_final_h Kuroni and the Sharing of the VNOI CUP Problem Setting Process VNOI Cup 1.80 8.5% 5
fct052_garden Free Contest Testing Round 52 - GARDEN Free Contest 0.70 22.7% 134
fct052_262144 Free Contest Testing Round 52 - 262144 Free Contest 0.70 22.8% 74
fct052_read Free Contest Testing Round 52 - READ Free Contest 0.70 44.4% 122
fcb053_potm Beginner Free Contest 53 - POTM Free Contest 0.20 27.7% 264
fcb053_numrect Beginner Free Contest 53 - NUMRECT Free Contest 0.20 42.3% 440
fcb053_delivery Beginner Free Contest 53 - DELIVERY Free Contest 0.20 34.0% 132
fcb053_abc Beginner Free Contest 53 - ABC Free Contest 0.20 38.5% 343
fcb053_div7 Beginner Free Contest 53 - DIV7 Free Contest 0.20 44.6% 78
bedao_g13_a Bedao Grand Contest 13 - SHOPPING Bedao Contest 0.20 26.2% 430
bedao_g13_b Bedao Grand Contest 13 - MAXSUM Bedao Contest 0.40 8.1% 192