	ID	题目显示标签隐藏标签	AC / 尝试	难度
	1585	P1263C Everyone is a Winner! binary search math meet-in-the-middle number theory *1400	0 / 0	(无)
	1573	P1265B Beautiful Numbers data structures implementation math two pointers *1300	0 / 0	(无)
	1572	P1265E Beautiful Mirrors data structures dp math probabilities *2100	0 / 0	(无)
	1571	P1266A Competitive Programmer chinese remainder theorem math *1000	0 / 0	(无)
	1570	P1266B Dice Tower constructive algorithms math *1000	0 / 0	(无)
	1569	P1266C Diverse Matrix constructive algorithms greedy math number theory *1400	0 / 0	(无)
	1568	P1266D Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers *2000	0 / 0	(无)
	1564	P1266H Red-Blue Graph dp graphs math matrices meet-in-the-middle *3400	0 / 0	(无)
	1557	P1267G Game Relics math probabilities *3000	0 / 0	(无)
	1554	P1267J Just Arrange the Icons greedy implementation math *1800	0 / 0	(无)
	1553	P1267K Key Storage combinatorics math *2100	0 / 0	(无)
	1550	P1268B Domino for Young dp greedy math *2000	0 / 0	(无)
	1548	P1268D Invertation in Tournament brute force divide and conquer graphs math *3200	0 / 0	(无)
	1546	P1269A Equation brute force math *800	0 / 0	(无)
	1544	P1270A Card Game games greedy math *800	0 / 0	(无)
	1543	P1270B Interesting Subarray constructive algorithms greedy math *1200	0 / 0	(无)
	1542	P1270C Make Good bitmasks constructive algorithms math *1400	0 / 0	(无)
	1541	P1270D Strange Device constructive algorithms interactive math sortings *1900	0 / 0	(无)
	1540	P1270E Divide Points constructive algorithms geometry math *2300	0 / 0	(无)
	1539	P1270F Awesome Substrings math strings *2600	0 / 0	(无)
	1538	P1270G Subset with Zero Sum constructive algorithms dfs and similar graphs math *2700	0 / 0	(无)
	1536	P1270I Xor on Figures constructive algorithms fft math *3500	0 / 0	(无)
	1535	P1271A Suits brute force greedy math *800	0 / 0	(无)
	1534	P1271B Blocks greedy math *1300	0 / 0	(无)
	1531	P1271E Common Number binary search combinatorics dp math *2100	0 / 0	(无)
	1529	P1272A Three Friends brute force greedy math sortings *900	0 / 0	(无)
	1513	P1276C Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math *2300	0 / 0	(无)
	1507	P1277D Let's Play the Words? data structures hashing implementation math *1900	0 / 0	(无)
	1505	P1278B A and B greedy math *1500	0 / 0	(无)
	1501	P1278F Cards combinatorics dp math number theory probabilities *2600	0 / 0	(无)
	1500	P1279A New Year Garland math *900	0 / 0	(无)
	1497	P1279D Santa's Bot combinatorics math probabilities *1700	0 / 0	(无)
	1494	P1280A Cut and Paste implementation math *1700	0 / 0	(无)
	1493	P1280B Beingawesomeism implementation math *1800	0 / 0	(无)
	1490	P1280E Kirchhoff's Current Loss math *2900	0 / 0	(无)
	1489	P1280F Intergalactic Sliding Puzzle combinatorics constructive algorithms math *3400	0 / 0	(无)
	1486	P1282A Temporarily unavailable implementation math *900	0 / 0	(无)
	1480	P1283A Minutes Before the New Year math *800	0 / 0	(无)
	1479	P1283B Candies Division math *900	0 / 0	(无)
	1478	P1283C Friends and Gifts constructive algorithms data structures math *1500	0 / 0	(无)
	1472	P1284C New Year and Permutation combinatorics math *1600	0 / 0	(无)
	1470	P1284E New Year and Castle Construction combinatorics geometry math sortings *2500	0 / 0	(无)
	1469	P1284F New Year and Social Network data structures graph matchings graphs math trees *3200	0 / 0	(无)
	1467	P1285A Mezo Playing Zoma math *800	0 / 0	(无)
	1465	P1285C Fadi and LCM brute force math number theory *1400	0 / 0	(无)
	1459	P1286C1 Madhouse (Easy version) brute force constructive algorithms interactive math *2400	0 / 0	(无)
	1458	P1286C2 Madhouse (Hard version) brute force constructive algorithms hashing interactive math *2800	0 / 0	(无)
	1457	P1286D LCC data structures math matrices probabilities *3100	0 / 0	(无)
	1455	P1286F Harry The Potter brute force constructive algorithms dp fft implementation math *3100	0 / 0	(无)
	1452	P1288A Deadline binary search brute force math ternary search *1100	0 / 0	(无)
	1451	P1288B Yet Another Meme Problem math *1100	0 / 0	(无)
	1440	P1291A Even But Not Even greedy math strings *900	0 / 0	(无)
	1434	P1292D Chaotic V. dp graphs greedy math number theory trees *2700	0 / 0	(无)
	1433	P1292E Rin and The Unknown Flower constructive algorithms greedy interactive math *3500	0 / 0	(无)
	1430	P1293B JOE is on TV! combinatorics greedy math *1000	0 / 0	(无)
	1429	P1294A Collecting Coins math *800	0 / 0	(无)
	1427	P1294C Product of Three Numbers greedy math number theory *1300	0 / 0	(无)
	1426	P1294D MEX maximizing data structures greedy implementation math *1600	0 / 0	(无)
	1425	P1294E Obtain a Permutation greedy implementation math *1900	0 / 0	(无)
	1422	P1295B Infinite Prefixes math strings *1700	0 / 0	(无)
	1420	P1295D Same GCDs math number theory *1800	0 / 0	(无)
	1417	P1296A Array with Odd Sum math *800	0 / 0	(无)
	1416	P1296B Food Buying math *900	0 / 0	(无)
	1404	P1297G M-numbers *special problem dp math	0 / 0	(无)
	1401	P1299A Anu Has a Function brute force greedy math *1500	0 / 0	(无)
	1398	P1299D Around the World bitmasks combinatorics dfs and similar dp graphs graphs math trees *3000	0 / 0	(无)
	1397	P1299E So Mean interactive math *3400	0 / 0	(无)
	1396	P1300A Non-zero implementation math *800	0 / 0	(无)
	1392	P1301C Ayoub's function binary search combinatorics greedy math strings *1700	0 / 0	(无)
	1377	P1303B National Project math *1400	0 / 0	(无)
	1371	P1304A Two Rabbits math *800	0 / 0	(无)
	1362	P1305C Kuroni and Impossible Calculation brute force combinatorics math number theory *1600	0 / 0	(无)
	1360	P1305E Kuroni and the Score Distribution constructive algorithms greedy implementation math *2200	0 / 0	(无)
	1359	P1305F Kuroni and the Punishment math number theory probabilities *2500	0 / 0	(无)
	1355	P1307B Cow and Friend geometry greedy math *1300	0 / 0	(无)
	1354	P1307C Cow and Message brute force dp math strings *1500	0 / 0	(无)
	1352	P1307E Cow and Treats binary search combinatorics dp greedy implementation math *2500	0 / 0	(无)
	1344	P1310F Bad Cryptography math number theory *3400	0 / 0	(无)
	1343	P1311A Add Odd or Subtract Even greedy implementation math *800	0 / 0	(无)
	1340	P1311D Three Integers brute force math *2000	0 / 0	(无)
	1337	P1312A Two Regular Polygons geometry greedy math number theory *800	0 / 0	(无)
	1335	P1312C Adding Powers bitmasks greedy implementation math number theory ternary search *1400	0 / 0	(无)
	1334	P1312D Count the Arrays combinatorics math *1700	0 / 0	(无)
	1329	P1313B Different Rules constructive algorithms greedy implementation math *1700	0 / 0	(无)
	1319	P1316C Primitive Primes constructive algorithms math ternary search *1800	0 / 0	(无)
	1315	P1320A Journey Planning data structures dp greedy math sortings *1400	0 / 0	(无)
	1306	P1322B Present binary search bitmasks constructive algorithms data structures math sortings *2100	0 / 0	(无)
	1305	P1322C Instant Noodles graphs hashing math number theory *2300	0 / 0	(无)
	1286	P1326B Maximums implementation math *900	0 / 0	(无)
	1285	P1326C Permutation Partitions combinatorics greedy math *1300	0 / 0	(无)
	1280	P1326F2 Wise Men (Hard Version) bitmasks dp math *3200	0 / 0	(无)
	1278	P1327A Sum of Odd Integers math *1100	0 / 0	(无)
	1275	P1327D Infinite Path brute force dfs and similar graphs math number theory *2200	0 / 0	(无)
	1274	P1327E Count The Blocks combinatorics dp math *1800	0 / 0	(无)
	1271	P1328A Divisibility Problem math *800	0 / 0	(无)
	1270	P1328B K-th Beautiful String binary search brute force combinatorics implementation math *1300	0 / 0	(无)
	1268	P1328D Carousel constructive algorithms dp graphs greedy math *1800	0 / 0	(无)
	1265	P1329A Dreamoon Likes Coloring constructive algorithms greedy implementation math *1800	0 / 0	(无)
	1264	P1329B Dreamoon Likes Sequences bitmasks combinatorics math *1700	0 / 0	(无)
	1259	P1330B Dreamoon Likes Permutations implementation math *1400	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

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开发与维护

杨旭龙、王树淳、王国斌、宋文宇、朱天伦

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肖飞、关玉蓉、魏银珍、周芬

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