Problems

101–130 of 130 problems

Problem	Contest / label	Online judges
Tree Reflection	Cfzcpc Round 6 K	QOJ #24247
Trink	Cfzcpc Round 2 G	QOJ #16492
Umiyuri Kaiteitan	Cfz Round 6 B	QOJ #16495
Unreachable Land	The 2026 ICPC China Shaanxi National Invitational Programming Contest H	QOJ #17349
Update Problem	Cfz Round 8 B	QOJ #17316
VIP Coupon	The 2026 ICPC China Shaanxi National Invitational Programming Contest I	QOJ #17350
vivi	Cfz Round 7 F	QOJ #17313
Weighted Mean	Cfz Round 2 F	QOJ #16534
Would You Make a Convex?	The 2026 ICPC China Shaanxi National Invitational Programming Contest J	QOJ #17351
Wqs Game	Cfz Round 1 D	QOJ #16522
Xor-Forces	Cfz Round 4 E	QOJ #16539
XOR and LCA	The 2026 ICPC China Shaanxi National Invitational Programming Contest K	QOJ #17352
Xor Counting	Cfz Round 4 B	QOJ #16536
XOR Team	Cfzcpc Round 6 L	QOJ #24248
Xor with Gcd	Cfz Round 3 C	QOJ #16525
Yesterday Once More (Easy Version)	The 2026 ICPC China Shaanxi National Invitational Programming Contest L	QOJ #17353
Yesterday Once More (Hard Version)	The 2026 ICPC China Shaanxi National Invitational Programming Contest M	QOJ #17354
Yet Another Bounded Path	Cfzcpc Round 2 E	QOJ #16490
Yougou Cleansing	Cfzcpc Round 5 E	QOJ #18975
Yumemi	Cfz Round 6 A	QOJ #16494
Yummy	Cfzcpc Round 2 C	QOJ #16488
Zebra Crossing	The 2026 ICPC China Shaanxi National Invitational Programming Contest N	QOJ #17355
Zhòng shù	Cfz Round 5 D	QOJ #16546
圆环	Cfz NOIP Round 1 C	QOJ #16464
宇宙	Cfz NOIP Round 1 A	QOJ #16462
棽荠郁	Cfz NOI Round 1 C	QOJ #16514
琥峪枫	Cfz NOI Round 1 A	QOJ #16512
篱莘龙	Cfz NOI Round 1 B	QOJ #16513
翻转	Cfz NOIP Round 1 D	QOJ #16465
跳跃	Cfz NOIP Round 1 B	QOJ #16463