686 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2744 P1039C  Network Safety 0 / 0 (无)
2728 P1042F  Leaf Sets 0 / 0 (无)
2719 P1044B  Intersecting Subtrees 0 / 0 (无)
2712 P1045C  Hyperspace Highways 0 / 0 (无)
2673 P1056D  Decorate Apple Tree 0 / 0 (无)
2668 P1057A  Bmail Computer Network 0 / 0 (无)
2656 P1060E  Sergey and Subway 0 / 0 (无)
2643 P1062D  Fun with Integers 0 / 0 (无)
2642 P1062E  Company 0 / 0 (无)
2641 P1062F  Upgrading Cities 0 / 0 (无)
2629 P1065D  Three Pieces 0 / 0 (无)
2627 P1065F  Up and Down the Tree 0 / 0 (无)
2618 P1067B  Multihedgehog 0 / 0 (无)
2592 P1073F  Choosing Two Paths 0 / 0 (无)
2490 P1092E  Minimal Diameter Forest 0 / 0 (无)
2489 P1092F  Tree with Maximum Cost 0 / 0 (无)
2485 P1093D  Beautiful Graph 0 / 0 (无)
2460 P1098A  Sum in the tree 0 / 0 (无)
2458 P1098C  Construct a tree 0 / 0 (无)
2451 P1099F  Cookies 0 / 0 (无)
2446 P1100E  Andrew and Taxi 0 / 0 (无)
2441 P1101D  GCD Counting 0 / 0 (无)
2429 P1103C  Johnny Solving 0 / 0 (无)
2421 P1105D  Kilani and the Game 0 / 0 (无)
2416 P1106D  Lunar New Year and a Wander 0 / 0 (无)
2381 P1111E  Tree 0 / 0 (无)
2340 P1118F1  Tree Cutting (Easy Version) 0 / 0 (无)
2339 P1118F2  Tree Cutting (Hard Version) 0 / 0 (无)
2327 P1120D  Power Tree 0 / 0 (无)
2313 P1130C  Connect 0 / 0 (无)
2309 P1131D  Gourmet choice 0 / 0 (无)
2301 P1132E  Knapsack 0 / 0 (无)
2292 P1133F2  Spanning Tree with One Fixed Degree 0 / 0 (无)
2276 P1139C  Edgy Trees 0 / 0 (无)
2258 P1141G  Privatization of Roads in Treeland 0 / 0 (无)
2256 P1142B  Lynyrd Skynyrd 0 / 0 (无)
2250 P1143C  Queen 0 / 0 (无)
2244 P1144F  Graph Without Long Directed Paths 0 / 0 (无)
2232 P1146D  Frog Jumping 0 / 0 (无)
2224 P1147D  Palindrome XOR 0 / 0 (无)
2199 P1152B  Neko Performs Cat Furrier Transform 0 / 0 (无)
2196 P1152E  Neko and Flashback 0 / 0 (无)
2190 P1153D  Serval and Rooted Tree 0 / 0 (无)
2173 P1156B  Ugly Pairs 0 / 0 (无)
2171 P1156D  0-1-Tree 0 / 0 (无)
2157 P1158C  Permutation recovery 0 / 0 (无)
2125 P1167C  News Distribution 0 / 0 (无)
2103 P1172B  Nauuo and Circle 0 / 0 (无)
2085 P1175E  Minimal Segment Cover 0 / 0 (无)
2079 P1176D  Recover it! 0 / 0 (无)
2078 P1176E  Cover it! 0 / 0 (无)
2069 P1178F1  Short Colorful Strip 0 / 0 (无)
2067 P1178G  The Awesomest Vertex 0 / 0 (无)
2051 P1182B  Plus from Picture 0 / 0 (无)
2049 P1182D  Complete Mirror 0 / 0 (无)
2026 P1184E2  Daleks' Invasion (medium) 0 / 0 (无)
2011 P1186F  Vus the Cossack and a Graph 0 / 0 (无)
2006 P1187E  Tree Painting 0 / 0 (无)
2002 P1188A2  Add on a Tree: Revolution 0 / 0 (无)
1985 P1192B  Dynamic Diameter 0 / 0 (无)
1914 P1200F  Graph Traveler 0 / 0 (无)
1915 P1200F  Graph Traveler 0 / 0 (无)
1855 P1207G  Indie Album 0 / 0 (无)
1849 P1208F  Bits And Pieces 0 / 0 (无)
1843 P1209D  Cow and Snacks 0 / 0 (无)
1840 P1209F  Koala and Notebook 0 / 0 (无)
1813 P1213F  Unstable String Sort 0 / 0 (无)
1808 P1214D  Treasure Island 0 / 0 (无)
1804 P1214H  Tiles Placement 0 / 0 (无)
1787 P1217D  Coloring Edges 0 / 0 (无)
1777 P1218H  Function Composition 0 / 0 (无)
1776 P1218I  The Light Square 0 / 0 (无)
1769 P1220E  Tourism 0 / 0 (无)
1713 P1236F  Alice and the Cactus 0 / 0 (无)
1698 P1238F  The Maximum Subtree 0 / 0 (无)
1693 P1239D  Catowice City 0 / 0 (无)
1688 P1242B  0-1 MST 0 / 0 (无)
1687 P1242C  Sum Balance 0 / 0 (无)
1662 P1249B2  Books Exchange (hard version) 0 / 0 (无)
1642 P1250N  Wires 0 / 0 (无)
1619 P1253D  Harmonious Graph 0 / 0 (无)
1611 P1254E  Send Tree to Charlie 0 / 0 (无)
1584 P1263D  Secret Passwords 0 / 0 (无)
1582 P1263F  Economic Difficulties 0 / 0 (无)
1566 P1266F  Almost Same Distance 0 / 0 (无)
1538 P1270G  Subset with Zero Sum 0 / 0 (无)
1525 P1272E  Nearest Opposite Parity 0 / 0 (无)
1514 P1276B  Two Fairs 0 / 0 (无)
1502 P1278E  Tests for problem D 0 / 0 (无)
1492 P1280C  Jeremy Bearimy 0 / 0 (无)
1481 P1282E  The Cake Is a Lie 0 / 0 (无)
1464 P1285D  Dr 0 / 0 (无)
1460 P1286B  Numbers on Tree 0 / 0 (无)
1444 P1290C  Prefix Enlightenment 0 / 0 (无)
1435 P1292C  Xenon's Attack on the Gangs 0 / 0 (无)
1424 P1294F  Three Paths on a Tree 0 / 0 (无)
1411 P1296F  Berland Beauty 0 / 0 (无)
1406 P1297E  Modernization of Treeland 0 / 0 (无)
1398 P1299D  Around the World 0 / 0 (无)
1389 P1301F  Super Jaber 0 / 0 (无)

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