881 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4322 P1039C  Network Safety 0 / 0 省选
4306 P1042F  Leaf Sets 0 / 0 NOI
4297 P1044B  Intersecting Subtrees 0 / 0 普及
4290 P1045C  Hyperspace Highways 0 / 0 省选
4251 P1056D  Decorate Apple Tree 0 / 0 普及
4246 P1057A  Bmail Computer Network 0 / 0 普及-
4234 P1060E  Sergey and Subway 0 / 0 提高
4221 P1062D  Fun with Integers 0 / 0 普及
4220 P1062E  Company 0 / 0 省选
4219 P1062F  Upgrading Cities 0 / 0 CTSC
4207 P1065D  Three Pieces 0 / 0 省选
4205 P1065F  Up and Down the Tree 0 / 0 NOI
4196 P1067B  Multihedgehog 0 / 0 普及
4170 P1073F  Choosing Two Paths 0 / 0 NOI
4068 P1092E  Minimal Diameter Forest 0 / 0 提高
4067 P1092F  Tree with Maximum Cost 0 / 0 普及
4063 P1093D  Beautiful Graph 0 / 0 普及
4038 P1098A  Sum in the tree 0 / 0 普及
4036 P1098C  Construct a tree 0 / 0 NOI
4029 P1099F  Cookies 0 / 0 NOI
4024 P1100E  Andrew and Taxi 0 / 0 省选
4019 P1101D  GCD Counting 0 / 0 提高
4007 P1103C  Johnny Solving 0 / 0 CTSC
3999 P1105D  Kilani and the Game 0 / 0 普及
3994 P1106D  Lunar New Year and a Wander 0 / 0 普及
3959 P1111E  Tree 0 / 0 NOI
3918 P1118F1  Tree Cutting (Easy Version) 0 / 0 普及
3917 P1118F2  Tree Cutting (Hard Version) 0 / 0 CTSC
3905 P1120D  Power Tree 0 / 0 NOI
3891 P1130C  Connect 0 / 0 普及-
3887 P1131D  Gourmet choice 0 / 0 提高
3879 P1132E  Knapsack 0 / 0 省选
3870 P1133F2  Spanning Tree with One Fixed Degree 0 / 0 普及
3854 P1139C  Edgy Trees 0 / 0 普及
3836 P1141G  Privatization of Roads in Treeland 0 / 0 普及
3834 P1142B  Lynyrd Skynyrd 0 / 0 提高
3828 P1143C  Queen 0 / 0 普及-
3822 P1144F  Graph Without Long Directed Paths 0 / 0 普及
3810 P1146D  Frog Jumping 0 / 0 提高
3802 P1147D  Palindrome XOR 0 / 0 NOI
3777 P1152B  Neko Performs Cat Furrier Transform 0 / 0 普及-
3774 P1152E  Neko and Flashback 0 / 0 NOI
3768 P1153D  Serval and Rooted Tree 0 / 0 普及
3751 P1156B  Ugly Pairs 0 / 0 普及
3749 P1156D  0-1-Tree 0 / 0 省选
3735 P1158C  Permutation recovery 0 / 0 提高
3703 P1167C  News Distribution 0 / 0 普及-
3681 P1172B  Nauuo and Circle 0 / 0 普及
3663 P1175E  Minimal Segment Cover 0 / 0 省选
3657 P1176D  Recover it! 0 / 0 普及
3656 P1176E  Cover it! 0 / 0 普及
3647 P1178F1  Short Colorful Strip 0 / 0 省选
3645 P1178G  The Awesomest Vertex 0 / 0 CTSC
3629 P1182B  Plus from Picture 0 / 0 普及-
3627 P1182D  Complete Mirror 0 / 0 NOI
3604 P1184E2  Daleks' Invasion (medium) 0 / 0 提高
3589 P1186F  Vus the Cossack and a Graph 0 / 0 NOI
3584 P1187E  Tree Painting 0 / 0 提高
3580 P1188A2  Add on a Tree: Revolution 0 / 0 NOI
3563 P1192B  Dynamic Diameter 0 / 0 暂无评定
3518 P1200F  Graph Traveler 0 / 0 省选
3477 P1207G  Indie Album 0 / 0 CTSC
3471 P1208F  Bits And Pieces 0 / 0 CTSC
3465 P1209D  Cow and Snacks 0 / 0 普及
3462 P1209F  Koala and Notebook 0 / 0 CTSC
3435 P1213F  Unstable String Sort 0 / 0 提高
3430 P1214D  Treasure Island 0 / 0 普及
3426 P1214H  Tiles Placement 0 / 0 CTSC
3409 P1217D  Coloring Edges 0 / 0 提高
3399 P1218H  Function Composition 0 / 0 CTSC
3398 P1218I  The Light Square 0 / 0 提高
3391 P1220E  Tourism 0 / 0 省选
3335 P1236F  Alice and the Cactus 0 / 0 CTSC
3320 P1238F  The Maximum Subtree 0 / 0 省选
3315 P1239D  Catowice City 0 / 0 NOI
3310 P1242B  0-1 MST 0 / 0 普及
3309 P1242C  Sum Balance 0 / 0 NOI
3284 P1249B2  Books Exchange (hard version) 0 / 0 普及-
3264 P1250N  Wires 0 / 0 提高
3241 P1253D  Harmonious Graph 0 / 0 普及
3233 P1254E  Send Tree to Charlie 0 / 0 CTSC
3206 P1263D  Secret Passwords 0 / 0 普及
3204 P1263F  Economic Difficulties 0 / 0 NOI
3188 P1266F  Almost Same Distance 0 / 0 CTSC
3160 P1270G  Subset with Zero Sum 0 / 0 CTSC
3147 P1272E  Nearest Opposite Parity 0 / 0 普及
3144 P1276B  Two Fairs 0 / 0 普及
3132 P1278E  Tests for problem D 0 / 0 省选
3122 P1280C  Jeremy Bearimy 0 / 0 提高
3111 P1282E  The Cake Is a Lie 0 / 0 NOI
3094 P1285D  Dr 0 / 0 普及
3090 P1286B  Numbers on Tree 0 / 0 普及
3074 P1290C  Prefix Enlightenment 0 / 0 NOI
3065 P1292C  Xenon's Attack on the Gangs 0 / 0 省选
3054 P1294F  Three Paths on a Tree 0 / 0 提高
3041 P1296F  Berland Beauty 0 / 0 提高
3036 P1297E  Modernization of Treeland 0 / 0 暂无评定
3028 P1299D  Around the World 0 / 0 CTSC
3019 P1301F  Super Jaber 0 / 0 CTSC
3006 P1303C  Perfect Keyboard 0 / 0 普及

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