Posted on 2009-05-15 17:36
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Ural Problem Set Volume 1: 1000-1099
題號(hào) 標(biāo)題 難度系數(shù) 算法
1000 A+B Problem 10% 直接加
1002 Phone Numbers 50% 動(dòng)態(tài)規(guī)劃或最短路
1003 Parity 70% 區(qū)間減法
1004 Sightseeing trip 60% 最短路
1005 Stone Pile 30% 動(dòng)態(tài)規(guī)劃或搜索
1006 Square Frames 35% 模擬
1007 Code Words 30% 模擬
1008 Image encoding 30% 廣度優(yōu)先搜索
1009 K-Based Numbers 20% 遞推或枚舉(數(shù)據(jù)規(guī)模?。?
1010 Discrete Function 40% 貪心
1011 Conductors 25% 搜索
1012 K-Based Numbers 30% 遞推
1013 K-Based Numbers 33% 遞推
1014 The Product of Digits 30% 貪心
1015 Test the differences 35% 模擬
1016 A cube on the walk 50% 搜索或者最短路
1017 The Staircases 30% 遞推(母函數(shù))
1018 The Binary Apple Tree 50% 動(dòng)態(tài)規(guī)劃
1019 A Line painting 40% 離散化處理
1020 Rope 45% 一般的計(jì)算幾何問(wèn)題
1021 Sacrament of the sum 40% 動(dòng)態(tài)規(guī)劃
1022 Genealogical Tree 30% 拓補(bǔ)排序
1023 Buttons 50% 動(dòng)態(tài)規(guī)劃
1024 Permutations 25% 置換(和題目名字一樣)
1025 Democracy in Danger 20% 貪心
1026 Questions and Answers 40% 快速排序
1027 D++ again 40% 字符串處理
1028 Stars 75% 線(xiàn)段樹(shù)
1029 Ministry 55% 動(dòng)態(tài)規(guī)劃(注意優(yōu)化)
1030 Titanic 60% 計(jì)算幾何(注意精度!)
1031 Railway Tickets 45% 動(dòng)態(tài)規(guī)劃
1032 Find a mutilple 55% 同余問(wèn)題
1033 Labyrinth 30% 搜索、遍歷
1034 Queens in peaceful positions 35% 搜索
1035 Cross-sitich 60% 歐拉路徑問(wèn)題
1036 Lucky tickets 50% 遞推
1037 Memory Management 55% 模擬(注意優(yōu)化)
1038 Spell Checker 45% 字符串的操作及統(tǒng)計(jì)
1039 Anniversary party 40% 樹(shù)的動(dòng)態(tài)規(guī)劃
1040 Airline company 55% 搜索
1041 Nikifor 85% 線(xiàn)性代數(shù)問(wèn)題
(過(guò)了,但懷疑算法不對(duì))
1042 Central Heating 50% 解線(xiàn)性同余方程組
1043 Cover an Arc. 58% 計(jì)算幾何
1044 Lucky tickets 40% 遞推
1045 A funny game 55% 搜索
1046 Geometrical dreams 88% 很復(fù)雜的計(jì)算幾何
1047 Simple calculations 30% 數(shù)學(xué)題,解方程吧!
1048 Superlong Sums 48% 高精度加法
1049 Brave ballonists 30% 模擬
1050 Preparing an article 63% 比較麻煩的字符串處理
1051 A simple game on a grid 60% 數(shù)學(xué)雜題
1052 Rabbit Hunt 28% 簡(jiǎn)單的計(jì)算幾何
1053 Pinocchio 32% 求最大公約數(shù)(題目意思不明)
1054 Hanoi Tower 50% 數(shù)學(xué)問(wèn)題
1055 Combinations 40% 數(shù)學(xué)問(wèn)題
1056 Computer net 55% 動(dòng)態(tài)規(guī)劃
1057 Amount of dergess 53% 數(shù)學(xué)問(wèn)題
1058 Chocolate 85% 復(fù)雜的計(jì)算幾何問(wèn)題
1059 Expression 20% 簡(jiǎn)單的打印問(wèn)題
1060 Flip game 35% 我搜索,過(guò)了
1061 Buffer Manager 45% 模擬
1062 Triathlon 83% 復(fù)雜的不等式問(wèn)題
1064 Binary Search 48% 搜索
1065 Frontier 75% 動(dòng)態(tài)規(guī)劃
1066 Garland 40% 數(shù)學(xué)問(wèn)題
1067 Disk Tree 45% 模擬或排序
1068 Sum 20% 簡(jiǎn)單的加法題
1069 The prufer code 50% 構(gòu)造
1070 A local time 60% 考慮要周全
1071 Nikifor - 2 45% 搜索
1072 Routing 40% 最短路問(wèn)題
1073 A square problem 50% 動(dòng)態(tài)規(guī)劃
1074 A very short problem 58% 模擬、判斷
1075 A thread in the space 65% 麻煩的計(jì)算幾何
1076 Trash 50% 二分圖的最大權(quán)匹配
1077 Travelling Tours 60% 圖的遍歷
1078 Segments 40% 動(dòng)態(tài)規(guī)劃
1079 Maxium 50% 數(shù)學(xué)問(wèn)題
1080 Map coloring 35% 深度優(yōu)先搜索
1081 Binary Lexicographic Sequence 40% 數(shù)學(xué)問(wèn)題
1082 Gaby Ivanushka 15% 沒(méi)有算法,直接輸出答案
1083 Factorials!!! 25% 簡(jiǎn)單的數(shù)學(xué)計(jì)算
1084 A goat in a kitchen garden 35% 簡(jiǎn)單的計(jì)算幾何
1085 Meeting 55% 最短路
1086 Cryptography 45% 數(shù)學(xué)問(wèn)題
1087 The time to take stones 48% 遞推
1088 Ilya Murumetz 33% 二叉樹(shù)的性質(zhì)
1089 verification with a vocabulary 50% 字符串處理
1090 In the army now 60% 平衡二叉樹(shù)
1091 Tmutarakan exams 57% 運(yùn)用容斥原理
1092 Transversal 75% 貪心
1093 Darts 65% 立體解析幾何
1094 E-screen 40% 字符串處理
1095 Nikifor - 3 45% 同余問(wèn)題
1096 Get the right route plate! 40% 廣度優(yōu)先搜索
1097 Square country - 2 63% 離散化處理
1098 Questions 48% 字符串處理
1099 Work scheduling 60% 圖的最大基數(shù)匹配