ID 题目 显示标签 隐藏标签 AC / 尝试 难度
3078 P1214E  Petya and Construction Set 0 / 0 NOI/NOI+/CTSC
3075 P1214H  Tiles Placement 0 / 0 10
3056 P1217F  Forced Online Queries Problem 0 / 0 10
3040 P1220E  Tourism 0 / 0 8
3026 P1223E  Paint the Tree 0 / 0 NOI/NOI+/CTSC
3017 P1225F  Tree Factory 0 / 0 9
3001 P1228F  One Node is Gone 0 / 0 9
2969 P1238F  The Maximum Subtree 0 / 0 8
2949 P1244D  Paint the Tree 0 / 0 省选/NOI-
2942 P1245D  Shichikuji and Power Grid 0 / 0 省选/NOI-
2927 P1249F  Maximum Weight Subset 0 / 0 8
2904 P1252B  Cleaning Robots 0 / 0 8
2902 P1252D  Find String in a Grid 0 / 0 10
2900 P1252F  Regular Forestation 0 / 0 9
2888 P1253F  Cheap Robot 0 / 0 9
2883 P1254D  Tree Queries 0 / 0 10
2882 P1254E  Send Tree to Charlie 0 / 0 10
2860 P1260F  Colored Tree 0 / 0 10
2853 P1263F  Economic Difficulties 0 / 0 9
2791 P1276D  Tree Elimination 0 / 0 10
2782 P1278D  Segment Tree 0 / 0 NOI/NOI+/CTSC
2781 P1278E  Tests for problem D 0 / 0 8
2771 P1280C  Jeremy Bearimy 0 / 0 NOI/NOI+/CTSC
2770 P1280D  Miss Punyverse 0 / 0 9
2754 P1283F  DIY Garland 0 / 0 8
2748 P1284F  New Year and Social Network 0 / 0 10
2743 P1285D  Dr 0 / 0 省选/NOI-
2742 P1285E  Delete a Segment 0 / 0 8
2739 P1286B  Numbers on Tree 0 / 0 省选/NOI-
2714 P1292C  Xenon's Attack on the Gangs 0 / 0 8
2713 P1292D  Chaotic V. 0 / 0 10
2703 P1294F  Three Paths on a Tree 0 / 0 NOI/NOI+/CTSC
2690 P1296F  Berland Beauty 0 / 0 NOI/NOI+/CTSC
2685 P1297E  Modernization of Treeland 0 / 0 暂无评定
2677 P1299D  Around the World 0 / 0 10
2651 P1303G  Sum of Prefix Sums 0 / 0 10
2646 P1304E  1-Trees and Queries 0 / 0 NOI/NOI+/CTSC
2640 P1305D  Kuroni and the Celebration 0 / 0 省选/NOI-
2630 P1307F  Cow and Vacation 0 / 0 10
2618 P1311E  Construct the Binary Tree 0 / 0 8
2590 P1320E  Treeland and Viruses 0 / 0 10
2581 P1322F  Assigning Fares 0 / 0 10
2573 P1324F  Maximum White Subtree 0 / 0 省选/NOI-
2570 P1325C  Ehab and Path-etic MEXs 0 / 0 提高+/省选-
2558 P1326G  Spiderweb Trees 0 / 0 10
2546 P1328E  Tree Queries 0 / 0 省选/NOI-
2524 P1332F  Independent Set 0 / 0 9
2502 P1336A  Linova and Kingdom 0 / 0 提高+/省选-
2496 P1336F  Journey 0 / 0 10
2492 P1338B  Edge Weight Assignment 0 / 0 省选/NOI-

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