WOJ入門寶典(一)
——WOJ題目總結
by littlekid
我在WOJ(http://acm.whu.edu.cn/oak
)上做過的水題最多了,在這里給出一份題目總結,用于新手入門。
說明:下面的難度是以我的水平劃分的,如果你的想法不一樣也不奇怪。
有些題目都給了算法,沒給的基本上就是那種實在不值得說(說出來題目就只剩下編程了)。另外,很多題目是我剛進集訓隊時AC的,所以也不清楚具體算法了,下面很多可能有錯,歡迎提出意見。
時間有限,這里是第一版的題目;
A+B
Problem 60.15%
(1488/2474)
不說了
1002
Genesis 13.28% (200/1506)
簡單,字符串處理,數單詞,推薦
1003
Birth of Noah 15.4% (77/500)
我是畫圖水過去的,不建議做
1004
Noah's 16.8%
(82/488)
單位轉換,很繁,不建議
1005
Holding Animals 23.84% (133/558)
簡單題,貪心
1006
Language of Animals 20.72% (98/473)
中等,鏈表+DFS,很值得做
1007
Feeding Animals(I) 35.21% (287/815)
簡單,貪心,推薦
1008
Feeding Animals(II) 36.11% (91/252)
中等,貪心也可以過,正規解法是二分匹配
1009
The Legend of Valiant Emigration 69.89% (72/103)
中等,圖論(最短路),推薦
1010
Alternate Sum 32.66% (290/888)
中等,排序+一個結論(如果知道結論就簡單了)
1011
Finding Teammates 29.14% (51/175)
1012
Think And Count 15.9% (69/434)
1013
Bracelet 29.04% (258/888)
簡單,字符串排序,推薦
1014
Doraemon’s Flashlight 30.50% (137/449)
幾何題,如果像我一樣數學沒學好不推薦
1015
N-Queen Puzzle(Special Judged) 20.36% (79/388)
稍難,回溯+轉換判斷,很推薦,想好再做
1016
Cherry Blossom 29.09% (167/574)
中等,二分,推薦
1017
Billiard Ball 41.55% (86/207)
1018
King Kong 23.96% (92/384)
1019
Curriculum Schedule 26.97% (75/278)
1020
Adjacent Difference 27.32% (212/776)
簡單,排序,推薦
1021
Bob’s Problem (Special Judged) 21.5% (135/628)
1022
Competition of Programming 26.20% (126/481)
中等,貪心,推薦
1023
Division 26.91% (67/249)
簡單,DP,推薦
1024
Exploration 29.2% (66/226)
中等,利用樹的性質+求最短路
1025
Finding Nemo 8.55% (20/234)
1026
Game On Checkerboard 37.82% (163/431)
簡單,DP,推薦
1027
Heating the Ants 13.19% (12/91)
1028
Injured Bishop Problem 40.57% (170/419)
簡單
1029
Ascend 27.74% (177/638)
簡單,模擬
1030
Sphere Route 21.17% (29/137)
1031
Chocolates 17.81% (39/219)
1032
Find the Max NORM 43.41% (56/129)
1033
Natural Span 39.53% (34/86)
1034
Cut the Apple 24.92% (149/598)
公式題,不推薦
1035
BG 58.37%
(324/555)
簡單
1036
Cards 25.11% (119/474)
簡單博弈,推薦
1037
Circular_Road 33.5% (135/403)
簡單,推薦
1038
Help! 30.86% (79/256)
中等,最短路
1039
Key 30.08%
(117/389)
中等,可以水過,標準做法是線段樹
1040
MagicBuilding 41.67% (140/336)
簡單
1041
MagicForest 16.66% (55/330)
中等,DFS或BFS
1042
Polygon 32.32% (32/99)
1043
Magicstar 11.83% (71/600)
難,我是水過去的,標準做法是RMQ
1044
Polygon Revolution 46.67% (7/15)
1045
Flymouse’s Poor English 34.13% (128/375)
簡單
1046
Crazy Game 46.73% (157/336)
中等,逆序數
1047
LCS Problem 21.54% (173/803)
中等,經典DP,推薦
1048
Relationship 25.16% (37/147)
1049
Words 34.26% (37/108)
簡單,DP,推薦
1050
Network 43.21% (70/162)
簡單,最小生成樹,推薦
Bus
Route Problem 50.0%
(9/18)
1053
Lian lian 23.33%
(14/60)
1054
DNA 14.61%
(13/89)
1055
The Hardest Problem Ever 39.72% (143/360)
簡單
1056
Sonia's Travel 14.29% (24/168)
1057
Problem 2046 32.43% (12/37)
1058
Exchange 24.18% (111/459)
簡單
1059
Tollbooth 18.09% (17/94)
1060
Magic Number 14.64% (111/758)
簡單,推薦
1061
Simple Cut Problem 23.33% (35/150)
1062
Linear World 20.05% (78/389)
中等,公式題,不過題意有錯
1063
Fine-X-Path 21.58% (30/139)
1064
What Is Left 23.01% (191/830)
簡單,基數排序,推薦
1065
2D Path Problem 48.24% (96/199)
簡單
1066
Athena 19.05% (24/126)
1067
Weight 14.14% (46/325)
1068
Chess 30.76% (20/65)
1069
Poor Knuthocean 30.64% (125/408)
1070
1071
Joseph problem 24.25% (105/433)
難,線段樹
1072
Order 15.36% (57/371)
中等,貪心
1073
Coins 29.43% (83/282)
簡單,公式,推薦做完后了解整個理論
1074
ABC 33.54%
(162/483)
中等,推薦
1075
Ball 33.14%
(57/172)
1076
Center 29.03% (54/186)
1077
Dragonflywww 39.53% (85/215)
中等,DP,推薦
1078
Emotional Rate 22.06% (30/136)
1079
Fractions 14.93% (20/134)
1080
Game 43.29%
(171/395)
簡單
1081
Hunter 34.69% (127/366)
難,二分匹配
1082
魔教的傳信站 23.05% (56/243)
1083
機關大師的設計 29.50% (72/244)
難,拓撲排序,推薦
1084
連續技 30.43% (28/92)
1085
回家的路 44.25% (50/113)
1086
棋盤游戲(SHD) 33.95% (55/162)
1087
數星星 32.06% (109/340)
中等,推薦
1088
從1開始的N個連續自然數的M次方之和 18.9% (55/291)
1089
進軍路線 21.57% (77/357)
難,Dijstra或BFS,推薦
1090
Snail 11.11% (30/270)
1091
WOJ's computer 13.33% (4/30)
1092
Pure numbers 33.45% (98/293)
中等
1093
Monkeys 15.29% (13/85)
1094
Special Graph 33.33% (24/72)
1095
Chess 19.42% (20/103)
1096
Race 47.92%
(23/48)
1097
Circle 40.63% (52/128)
難,組合數學題,我直接模擬數出來的(太恐怖了)
1098
Dongfangxu&zap 26.22% (70/267)
中等,字符串統計
1099
flirly 20.48% (43/210)
難,
1100
Forest 33.82% (117/346)
簡單,直接模擬,推薦
posted on 2008-03-14 13:57
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