ID	题目显示标签隐藏标签	AC / 尝试	难度
3811	P1146C Tree Diameter bitmasks graphs interactive *1700	0 / 0	普及
3807	P1146G Zoning Restrictions dp flows graphs *2700	0 / 0	CTSC
3805	P1147A Hide and Seek graphs *1500	0 / 0	普及
3802	P1147D Palindrome XOR dfs and similar graphs *2400	0 / 0	NOI
3793	P1148G Gold Experience constructive algorithms graphs math number theory probabilities *3300	0 / 0	CTSC
3788	P1149D Abandoning Roads brute force dp graphs greedy *3000	0 / 0	CTSC
3787	P1149E Election Promises games graphs *3200	0 / 0	CTSC
3774	P1152E Neko and Flashback constructive algorithms dfs and similar graphs *2400	0 / 0	NOI
3753	P1155F Delivery Oligopoly brute force dp graphs *2800	0 / 0	CTSC
3746	P1156G Optimizer graphs greedy hashing implementation *2700	0 / 0	CTSC
3735	P1158C Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings *2100	0 / 0	提高
3720	P1163E Magical Permutation bitmasks brute force constructive algorithms data structures graphs math *2400	0 / 0	NOI
3719	P1163F Indecisive Taxi Fee data structures graphs shortest paths *3000	0 / 0	CTSC
3706	P1166F Vicky's Delivery Service data structures dsu graphs hashing *2400	0 / 0	NOI
3703	P1167C News Distribution dfs and similar dsu graphs *1400	0 / 0	普及-
3692	P1169B Pairs graphs implementation *1500	0 / 0	普及
3685	P1170G Graph Decomposition *special problem graphs	0 / 0	暂无评定
3668	P1174F Ehab and the Big Finale constructive algorithms divide and conquer graphs implementation interactive trees *2400	0 / 0	NOI
3657	P1176D Recover it! dfs and similar graphs greedy number theory sortings *1800	0 / 0	普及
3656	P1176E Cover it! dfs and similar dsu graphs shortest paths trees *1700	0 / 0	普及
3644	P1178H Stock Exchange binary search flows graphs *3500	0 / 0	CTSC
3620	P1183E Subsequences (easy version) dp graphs implementation shortest paths *2000	0 / 0	提高
3612	P1184B2 The Doctor Meets Vader (Medium) flows graph matchings graphs shortest paths sortings *2200	0 / 0	省选
3605	P1184E1 Daleks' Invasion (easy) graphs trees *1900	0 / 0	普及
3604	P1184E2 Daleks' Invasion (medium) dfs and similar graphs shortest paths trees *2100	0 / 0	提高
3603	P1184E3 Daleks' Invasion (hard) data structures dsu graphs trees *2400	0 / 0	NOI
3589	P1186F Vus the Cossack and a Graph dfs and similar graphs greedy implementation *2400	0 / 0	NOI
3582	P1187G Gang Up flows graphs *2500	0 / 0	NOI
3529	P1198C Matching vs Independent Set constructive algorithms graphs greedy sortings *2000	0 / 0	提高
3527	P1198E Rectangle Painting 2 flows graph matchings graphs *2500	0 / 0	NOI
3518	P1200F Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory *2300	0 / 0	省选
3513	P1201E1 Knightmare (easy) graphs interactive shortest paths *2900	0 / 0	CTSC
3512	P1201E2 Knightmare (hard) graphs interactive shortest paths *3000	0 / 0	CTSC
3495	P1204C Anna, Svyatoslav and Maps dp graphs greedy shortest paths *1700	0 / 0	普及
3490	P1205B Shortest Cycle bitmasks brute force graphs shortest paths *1900	0 / 0	普及
3465	P1209D Cow and Snacks dfs and similar dsu graphs *1700	0 / 0	普及
3462	P1209F Koala and Notebook data structures dfs and similar graphs shortest paths strings trees *2600	0 / 0	CTSC
3458	P1210A Anadi and Domino brute force graphs *1700	0 / 0	普及
3455	P1210D Konrad and Company Evaluation graphs *2400	0 / 0	NOI
3445	P1211F kotlinkotlinkotlinkotlin... special problem graphs implementation strings 2300	0 / 0	省选
3442	P1211I Unusual Graph special problem graphs 3000	0 / 0	CTSC
3435	P1213F Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings *2100	0 / 0	提高
3434	P1213G Path Queries divide and conquer dsu graphs sortings trees *1800	0 / 0	普及
3429	P1214E Petya and Construction Set constructive algorithms graphs math sortings trees *2000	0 / 0	提高
3409	P1217D Coloring Edges constructive algorithms dfs and similar graphs *2100	0 / 0	提高
3407	P1217F Forced Online Queries Problem data structures divide and conquer dsu graphs trees *2600	0 / 0	CTSC
3406	P1218A BubbleReactor dp graphs *2800	0 / 0	CTSC
3403	P1218D Xor Spanning Tree divide and conquer fft graphs *2400	0 / 0	NOI
3400	P1218G Alpha planetary system constructive algorithms graphs shortest paths *3000	0 / 0	CTSC
3391	P1220E Tourism dfs and similar dp dsu graphs greedy trees *2200	0 / 0	省选
3361	P1227E Arson In Berland Forest binary search graphs graphs shortest paths *2200	0 / 0	省选
3354	P1228D Complete Tripartite brute force constructive algorithms graphs hashing implementation *1900	0 / 0	普及
3335	P1236F Alice and the Cactus dfs and similar graphs math probabilities *3000	0 / 0	CTSC
3320	P1238F The Maximum Subtree dfs and similar dp graphs trees *2200	0 / 0	省选
3315	P1239D Catowice City 2-sat dfs and similar graph matchings graphs *2400	0 / 0	NOI
3313	P1239F Swiper, no swiping! graphs implementation *3400	0 / 0	CTSC
3312	P1240F Football graphs *3100	0 / 0	CTSC
3310	P1242B 0-1 MST dfs and similar dsu graphs sortings *1900	0 / 0	普及
3309	P1242C Sum Balance bitmasks dfs and similar dp graphs *2400	0 / 0	NOI
3307	P1242E Planar Perimeter constructive algorithms graphs *3200	0 / 0	CTSC
3300	P1244D Paint the Tree brute force constructive algorithms dp graphs implementation trees *1800	0 / 0	普及
3293	P1245D Shichikuji and Power Grid dsu graphs greedy shortest paths trees *1900	0 / 0	普及
3273	P1250E The Coronation graphs implementation *2300	0 / 0	省选
3267	P1250K Projectors flows graphs *3100	0 / 0	CTSC
3264	P1250N Wires dfs and similar graphs greedy *2000	0 / 0	提高
3245	P1252L Road Construction flows graphs *2300	0 / 0	省选
3241	P1253D Harmonious Graph constructive algorithms dfs and similar dsu graphs greedy sortings *1700	0 / 0	普及
3239	P1253F Cheap Robot binary search dsu graphs shortest paths trees *2500	0 / 0	NOI
3231	P1255B Fridge Lockers graphs implementation *1100	0 / 0	普及-
3206	P1263D Secret Passwords dfs and similar dsu graphs *1500	0 / 0	普及
3204	P1263F Economic Difficulties data structures dfs and similar dp flows graphs trees *2400	0 / 0	NOI
3190	P1266D Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers *2000	0 / 0	提高
3188	P1266F Almost Same Distance dfs and similar graphs *2900	0 / 0	CTSC
3186	P1266H Red-Blue Graph dp graphs math matrices meet-in-the-middle *3400	0 / 0	CTSC
3170	P1268D Invertation in Tournament brute force divide and conquer graphs math *3200	0 / 0	CTSC
3160	P1270G Subset with Zero Sum constructive algorithms dfs and similar graphs math *2700	0 / 0	CTSC
3147	P1272E Nearest Opposite Parity dfs and similar graphs shortest paths *1900	0 / 0	普及
3144	P1276B Two Fairs combinatorics dfs and similar dsu graphs *1900	0 / 0	普及
3133	P1278D Segment Tree data structures dsu graphs trees *2100	0 / 0	提高
3122	P1280C Jeremy Bearimy dfs and similar graphs greedy trees *2000	0 / 0	提高
3111	P1282E The Cake Is a Lie constructive algorithms data structures dfs and similar graphs *2400	0 / 0	NOI
3107	P1283D Christmas Trees graphs greedy shortest paths *1800	0 / 0	普及
3099	P1284F New Year and Social Network data structures graph matchings graphs math trees *3200	0 / 0	CTSC
3098	P1284G Seollal graphs *3300	0 / 0	CTSC
3093	P1285E Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers *2300	0 / 0	省选
3090	P1286B Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees *1800	0 / 0	普及
3074	P1290C Prefix Enlightenment dfs and similar dsu graphs *2400	0 / 0	NOI
3073	P1290D Coffee Varieties (hard version) constructive algorithms graphs interactive *3000	0 / 0	CTSC
3068	P1291F Coffee Varieties (easy version) graphs interactive *2800	0 / 0	CTSC
3064	P1292D Chaotic V. dp graphs greedy math number theory trees *2700	0 / 0	CTSC
3043	P1296E1 String Coloring (easy version) constructive algorithms dp graphs greedy sortings *1800	0 / 0	普及
3028	P1299D Around the World bitmasks combinatorics dfs and similar dp graphs graphs math trees *3000	0 / 0	CTSC
3021	P1301D Time to Run constructive algorithms graphs implementation *2000	0 / 0	提高
3019	P1301F Super Jaber dfs and similar graphs implementation shortest paths *2600	0 / 0	CTSC
2998	P1304D Shortest and Longest LIS constructive algorithms graphs greedy two pointers *1800	0 / 0	普及
2988	P1305G Kuroni and Antihype bitmasks brute force dp dsu graphs *3500	0 / 0	CTSC
2983	P1307D Cow and Fields binary search data structures dfs and similar graphs greedy shortest paths sortings *1900	0 / 0	普及
2980	P1307G Cow and Exercise flows graphs shortest paths *3100	0 / 0	CTSC
2976	P1310D Tourism dp graphs probabilities *2300	0 / 0	省选
2948	P1316D Nash Matrix constructive algorithms dfs and similar graphs implementation *2000	0 / 0	提高

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