ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4058 P1214E   Petya and Construction Set 0 / 0 7
4055 P1214H   Tiles Placement 0 / 0 10
4036 P1217F   Forced Online Queries Problem 0 / 0 10
4020 P1220E   Tourism 0 / 0 8
4006 P1223E   Paint the Tree 0 / 0 7
3997 P1225F   Tree Factory 0 / 0 9
3981 P1228F   One Node is Gone 0 / 0 9
3949 P1238F   The Maximum Subtree 0 / 0 8
3929 P1244D   Paint the Tree 0 / 0 6
3922 P1245D   Shichikuji and Power Grid 0 / 0 6
3907 P1249F   Maximum Weight Subset 0 / 0 8
3884 P1252B   Cleaning Robots 0 / 0 8
3882 P1252D   Find String in a Grid 0 / 0 10
3880 P1252F   Regular Forestation 0 / 0 9
3868 P1253F   Cheap Robot 0 / 0 9
3863 P1254D   Tree Queries 0 / 0 10
3862 P1254E   Send Tree to Charlie 0 / 0 10
3840 P1260F   Colored Tree 0 / 0 10
3833 P1263F   Economic Difficulties 0 / 0 9
3771 P1276D   Tree Elimination 0 / 0 10
3762 P1278D   Segment Tree 0 / 0 7
3761 P1278E   Tests for problem D 0 / 0 8
3751 P1280C   Jeremy Bearimy 0 / 0 7
3750 P1280D   Miss Punyverse 0 / 0 9
3734 P1283F   DIY Garland 0 / 0 8
3728 P1284F   New Year and Social Network 0 / 0 10
3723 P1285D   Dr 0 / 0 6
3722 P1285E   Delete a Segment 0 / 0 8
3719 P1286B   Numbers on Tree 0 / 0 6
3694 P1292C   Xenon's Attack on the Gangs 0 / 0 8
3693 P1292D   Chaotic V. 0 / 0 10
3683 P1294F   Three Paths on a Tree 0 / 0 7
3670 P1296F   Berland Beauty 0 / 0 7
3665 P1297E   Modernization of Treeland 0 / 0 (无)
3657 P1299D   Around the World 0 / 0 10
3631 P1303G   Sum of Prefix Sums 0 / 0 10
3626 P1304E   1-Trees and Queries 0 / 0 7
3620 P1305D   Kuroni and the Celebration 0 / 0 6
3610 P1307F   Cow and Vacation 0 / 0 10
3598 P1311E   Construct the Binary Tree 0 / 0 8
3570 P1320E   Treeland and Viruses 0 / 1 10
3561 P1322F   Assigning Fares 0 / 0 10
3553 P1324F   Maximum White Subtree 0 / 0 6
3550 P1325C   Ehab and Path-etic MEXs 0 / 0 5
3538 P1326G   Spiderweb Trees 0 / 0 10
3526 P1328E   Tree Queries 0 / 0 6
3504 P1332F   Independent Set 0 / 0 9
3482 P1336A   Linova and Kingdom 0 / 0 5
3476 P1336F   Journey 0 / 0 10
3472 P1338B   Edge Weight Assignment 0 / 0 6
3470 P1338D   Nested Rubber Bands 0 / 0 10
3463 P1340D   Nastya and Time Machine 0 / 0 10
3442 P1344E   Train Tracks 0 / 0 10
3333 P1361D   Johnny and James 0 / 0 10
3332 P1361E   James and the Chase 0 / 0 10
3325 P1363C   Game On Leaves 0 / 0 5
3323 P1363E   Tree Shuffling 0 / 0 7
3318 P1364D   Ehab's Last Corollary 0 / 0 7
3289 P1368G   Shifting Dominoes 0 / 0 10
3283 P1369D   TediousLee 0 / 0 6
3275 P1370F1   The Hidden Pair (Easy Version) 0 / 0 9
3274 P1370F2   The Hidden Pair (Hard Version) 0 / 0 10
3240 P1375G   Tree Modification 0 / 0 10
3233 P1379E   Inverse Genealogy 0 / 0 10
3226 P1380E   Merging Towers 0 / 0 8
3219 P1381D   The Majestic Brown Tree Snake 0 / 0 10
3215 P1383A   String Transformation 1 0 / 0 5
3213 P1383C   String Transformation 2 0 / 0 10
3201 P1385F   Removing Leaves 0 / 0 8
3195 P1387B1   Village (Minimum) 0 / 0 7
3194 P1387B2   Village (Maximum) 0 / 0 9
3190 P1388C   Uncle Bogdan and Country Happiness 0 / 0 6
3189 P1388D   Captain Flint and Treasure 0 / 0 7
3181 P1389G   Directing Edges 0 / 0 10
3176 P1391E   Pairs of Pairs 0 / 0 10
3157 P1394D   Boboniu and Jianghu 0 / 0 10
3148 P1396E   Distance Matching 0 / 0 10
3134 P1399E1   Weights Division (easy version) 0 / 0 7
3133 P1399E2   Weights Division (hard version) 0 / 0 8
3121 P1401D   Maximum Distributed Tree 0 / 0 6
3116 P1402C   Star Trek 0 / 0 10
3114 P1403B   Spring cleaning 0 / 0 8
3111 P1404B   Tree Tag 0 / 0 6
3103 P1406C   Link Cut Centroids 0 / 0 5
3091 P1408E   Avoid Rainbow Cycles 0 / 0 9
3089 P1408G   Clusterization Counting 0 / 0 10
3068 P1413F   Roads and Ramen 0 / 0 10
3059 P1416C   XOR Inverse 0 / 0 7
3058 P1416D   Graph and Queries 0 / 0 10
3020 P1423C   Dušan's Railway 0 / 0 10
2987 P1427F   Boring Card Game 0 / 0 10
2947 P1436D   Bandit in a City 0 / 0 6
2941 P1437D   Minimal Height Tree 0 / 0 5
2938 P1437G   Death DBMS 0 / 0 10
2932 P1438F   Olha and Igor 0 / 0 10
2926 P1439E   Cheat and Win 0 / 0 10
2919 P1442E   Black, White and Grey Tree 0 / 0 10
2909 P1444E   Finding the Vertex 0 / 0 10
2904 P1446C   Xor Tree 0 / 0 7
2890 P1450G   Communism 0 / 0 10

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