	ID	题目显示标签隐藏标签	AC / 尝试	难度
	15	P1561C Deep Down Below binary search greedy sortings *1300	0 / 0	(无)
	104	P1569D Inconvenient Pairs binary search data structures implementation sortings two pointers	0 / 0	(无)
	7300	P1571I Physical Examination *special problem binary search data structures	0 / 0	(无)
	7230	P1572E Polygon binary search dp *3000	0 / 0	(无)
	7238	P1574C Slay the Dragon binary search greedy sortings	0 / 0	(无)
	7237	P1574D The Strongest Build binary search data structures dfs and similar graphs greedy hashing implementation shortest paths	0 / 0	(无)
	7281	P1575B Building an Amusement Park binary search geometry	0 / 0	(无)
	7258	P1578L Labyrinth binary search dsu greedy *2400	0 / 0	(无)
	7241	P1579G Minimal Coverage binary search bitmasks dp *2200	0 / 0	(无)
	7365	P1582E Pchelyonok and Segments binary search data structures dp greedy math *2000	0 / 0	(无)
	7363	P1582F2 Korney Korneevich and XOR (hard version) binary search brute force dp greedy two pointers *2400	0 / 0	(无)
	7286	P1592D Hemose in ICPC ? binary search dfs and similar divide and conquer interactive math number theory trees	0 / 0	(无)
	7356	P1601F Two Sorts binary search dfs and similar math meet-in-the-middle *3400	0 / 0	(无)
	7455	P1679D Toss a Coin to Your Graph... binary search dfs and similar dp graphs *1900	0 / 0	(无)
	7450	P1680C Binary String binary search greedy strings two pointers *1600	0 / 0	(无)
	7430	P1684E MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers *2100	0 / 0	(无)
	7416	P1687C Sanae and Giant Robot binary search brute force data structures dsu greedy sortings *2500	0 / 0	(无)
	7415	P1687D Cute number binary search brute force data structures dsu implementation math *2900	0 / 0	(无)
	7400	P1690E Price Maximization binary search greedy math two pointers *1500	0 / 0	(无)
	7398	P1690G Count the Trains binary search data structures greedy sortings *2000	0 / 0	(无)
	7394	P1691D Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers *1800	0 / 0	(无)
	7387	P1692E Binary Deque binary search implementation two pointers *1200	0 / 0	(无)
	7373	P1697C awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers *1400	0 / 0	(无)
	7372	P1697D Guess The String binary search constructive algorithms interactive *1900	0 / 0	(无)
	7558	P1876F Indefinite Clownfish binary search graphs *3500	0 / 0	10
	7557	P1876G Clubstep binary search brute force data structures greedy trees *3500	0 / 0	10
	7550	P1878E Iva & Pav binary search bitmasks data structures greedy *1400	0 / 0	4
	7548	P1878G wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees *2300	0 / 0	8
	7535	P1881G Anya and the Mysterious String binary search data structures *2000	0 / 0	7
	7522	P1883G1 Dances (Easy version) binary search greedy two pointers *1400	0 / 0	4
	7521	P1883G2 Dances (Hard Version) binary search greedy sortings two pointers *1900	0 / 0	6
	7519	P1884B Haunted House binary search greedy math two pointers *1100	0 / 0	3
	7514	P1886B Fear of the Dark binary search geometry math *1200	0 / 0	4
	7509	P1887B Time Travel binary search graphs shortest paths *1900	0 / 0	6
	7508	P1887C Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers *2400	0 / 0	9
	7507	P1887D Split binary search data structures divide and conquer dsu math trees two pointers *2700	0 / 0	10
	7506	P1887E Good Colorings binary search constructive algorithms graphs interactive *3100	0 / 0	10
	7493	P1891C Smilo and Monsters binary search constructive algorithms greedy sortings two pointers *1500	0 / 0	5
	7492	P1891D Suspicious logarithms binary search brute force math *1900	0 / 0	6
	7478	P1895E Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers *2300	0 / 0	8
	7476	P1895G Two Characters, Two Colors binary search data structures dp flows greedy *3100	0 / 0	10
	7944	P1985F Final Boss binary search data structures *1500	0 / 0	5
	7934	P1986G1 Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory *2200	0 / 0	8
	7918	P1988E Range Minimum Sum binary search brute force data structures divide and conquer implementation *2300	0 / 0	8
	7906	P1990E1 Catch the Mole(Easy Version) binary search data structures dfs and similar interactive trees *2500	0 / 0	9
	7905	P1990E2 Catch the Mole(Hard Version) binary search data structures dfs and similar divide and conquer interactive trees *2600	0 / 0	10
	8097	P1993D Med-imize binary search dp greedy	0 / 0	(无)
	7885	P1994C Hungry Games binary search dp two pointers *1600	0 / 0	5
	7878	P1995B1 Bouquet (Easy Version) binary search brute force greedy sortings two pointers *1100	0 / 0	3
	7877	P1995B2 Bouquet (Hard Version) binary search data structures greedy math sortings two pointers *1700	0 / 0	5
	7872	P1996A Legs binary search math ternary search	0 / 0	(无)
	7869	P1996D Fun binary search brute force combinatorics math number theory	0 / 0	(无)
	7867	P1996F Bomb binary search greedy math	0 / 0	(无)
	7862	P1997D Maximize the Root binary search dfs and similar dp greedy trees	0 / 0	(无)
	7861	P1997E Level Up binary search brute force data structures divide and conquer implementation	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

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杨旭龙、王树淳、王国斌、宋文宇、朱天伦

特别鸣谢

肖飞、关玉蓉、魏银珍、周芬

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