ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1421 P1415C   Bouncing Ball 0 / 0 (无)
1420 P1415D   XOR-gun 0 / 0 (无)
1401 P1419B   Stairs 0 / 0 (无)
1398 P1419D2   Sage's Birthday (hard version) 0 / 0 (无)
1386 P1421D   Hexagons 0 / 0 (无)
1385 P1421E   Swedish Heroes 0 / 0 (无)
1350 P1426E   Rock, Paper, Scissors 0 / 0 (无)
1338 P1428C   ABBB 0 / 0 (无)
1331 P1430A   Number of Apartments 0 / 0 (无)
1317 P1431H   Rogue-like Game 0 / 0 (无)
1308 P1433G   Reducing Delivery Cost 0 / 0 (无)
1300 P1437A   Marketing Scheme 0 / 0 (无)
1289 P1438E   Yurii Can Do Everything 0 / 0 (无)
1270 P1443E   Long Permutation 0 / 0 (无)
1269 P1444A   Division 0 / 0 (无)
1265 P1444E   Finding the Vertex 0 / 0 (无)
1252 P1450B   Balls of Steel 0 / 0 (无)
1232 P1452E   Two Editorials 0 / 0 (无)
1226 P1453D   Checkpoints 0 / 0 (无)
1213 P1455E   Four Points 0 / 0 (无)

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