Problems

51–100 of 130 problems

Problem	Contest / label	Online judges
Imagined Holly	The 2025 ICPC Asia Xi'an Regional Contest I	QOJ #14689
Imaichi	Cfz Round 6 D	QOJ #16497
Imperfect Permutation	Cfzcpc Round 5 I	QOJ #18979
Infinity	Cfzcpc Round 3 I	QOJ #16509
January's Color	The 2025 ICPC Asia Xi'an Regional Contest J	QOJ #14690
Jetton	Cfzcpc Round 3 J	QOJ #16510
Juice Problem	Cfz Round 8 C	QOJ #17317
Kaleidoscope	Cfzcpc Round 3 K	QOJ #16511
Key Point	Cfzcpc Round 2 B	QOJ #16487
Killing Bits	The 2025 ICPC Asia Xi'an Regional Contest K	QOJ #14691
Kyu-kurarin	Cfz Round 6 C	QOJ #16496
Left and Right	Cfzcpc Round 1 D	QOJ #16481
Let's Make a Convex!	The 2025 ICPC Asia Xi'an Regional Contest L	QOJ #14692
Light the Lamp	Cfzcpc Round 6 F	QOJ #24242
Lone	Cfz Round 9 A	QOJ #16515
Mata rainen	Cfz Round 5 B	QOJ #16544
Max of Distance	Cfz Round 2 D	QOJ #16532
Mex of Sequence	Cfz Round 3 D	QOJ #16526
Minpopcount	Cfzcpc Round 2 F	QOJ #16491
Multicon	Cfzcpc Round 5 G	QOJ #18977
Mystique as Iris	The 2025 ICPC Asia Xi'an Regional Contest M	QOJ #14693
Ninelie	Cfz Round 4 C	QOJ #16537
Non-breath Oblige	Cfz Round 5 A	QOJ #16543
North and South	The 2026 ICPC China Shaanxi National Invitational Programming Contest A	QOJ #17342
Odd Occurrence	Cfzcpc Round 1 E	QOJ #16482
Operating Robot	The 2026 ICPC China Shaanxi National Invitational Programming Contest B	QOJ #17343
Operation	Cfzcpc Round 1 F	QOJ #16483
Osmanthus	Cfz Round 2 C	QOJ #16531
P2P	Cfzcpc Round 5 L	QOJ #18982
Pair Counting	Cfzcpc Round 2 A	QOJ #16486
Palindromic and Balanced	The 2026 ICPC China Shaanxi National Invitational Programming Contest C	QOJ #17344
Passing Game	Cfzcpc Round 6 G	QOJ #24243
Permutation	Cfz Round 1 B	QOJ #16520
Phi Master	Cfzcpc Round 5 C	QOJ #18973
Plants vs Zombies	Cfzcpc Round 1 B	QOJ #16479
Push Box	Cfzcpc Round 5 K	QOJ #18981
Qenerals	The 2026 ICPC China Shaanxi National Invitational Programming Contest D	QOJ #17345
Registration	The 2026 ICPC China Shaanxi National Invitational Programming Contest E	QOJ #17346
Rose	Cfz Round 9 D	QOJ #16518
Set	Cfzcpc Round 6 H	QOJ #24244
Slay the Spire	Cfzcpc Round 6 I	QOJ #24245
SoupO	Cfzcpc Round 1 H	QOJ #16485
Split Sticks	The 2026 ICPC China Shaanxi National Invitational Programming Contest F	QOJ #17347
Sqrt Problem	Cfz Round 8 A	QOJ #17315
Start to the End	Cfzcpc Round 6 J	QOJ #24246
String Split	Cfzcpc Round 5 H	QOJ #18978
Sum of Permutation	Cfz Round 3 E	QOJ #16527
Tap Tap Dance	Cfz Round 7 B	QOJ #17309
Three Colors	Cfzcpc Round 5 D	QOJ #18974
Transform	The 2026 ICPC China Shaanxi National Invitational Programming Contest G	QOJ #17348