1000 A+B Problem 送分題
1001 Exponentiation 高精度
1003 Hangover 送分題
1004 Financial Management 送分題
1005 I Think I Need a Houseboat 幾何
1006 Biorhythms 送分題
1007 DNA Sorting 送分題
1008 Maya Calendar 日期處理
1010 STAMPS 搜索+DP
1011 Sticks 搜索
1012 Joseph 模擬/數(shù)學(xué)方法
1014 Dividing 數(shù)論/DP?/組合數(shù)學(xué)->母函數(shù)?
1015 Jury Compromise DP
1016 Numbers That Count 送分題
1017 Packets 貪心
1018 Communication System 貪心
1019 Number Sequence 送分題
1020 Anniversary Cake 搜索
1023 The Fun Number System 數(shù)論
1025 Department 模擬
1026 Cipher 組合數(shù)學(xué)
1027 The Same Game 模擬
1028 Web Navigation 送分題
1031 Fence 計(jì)算幾何
1034 The dog task 計(jì)算幾何
1037 A decorative fence DP/組合數(shù)學(xué)
1039 Pipe 幾何
1042 Gone Fishing 貪心/DP
1045 Bode Plot 送分題(用物理知識(shí))
1046 Color Me Less 送分題
1047 Round and Round We Go 高精度
1048 Follow My Logic 模擬
1049 Microprocessor Simulation 模擬
1050 To the Max DP
1053 Set Me 送分題
1054 The Troublesome Frog 搜索
1060 Modular multiplication of polynomials 高精度
1061 青蛙的約會(huì) 數(shù)論
1062 昂貴的聘禮 DP
1064 Cable master DP/二分查找
1065 Wooden Sticks DP
1067 取石子游戲 博弈論
1068 Parencodings 送分題
1069 The Bermuda Triangle 搜索
1070 Deformed Wheel 幾何
1071 Illusive Chase 送分題
1072 Puzzle Out 搜索
1073 The Willy Memorial Program 模擬
1074 Parallel Expectations DP
1075 University Entrance Examination 模擬
1080 Human Gene Functions DP->LCS變形
1082 Calendar Game 博弈論
1084 Square Destroyer 搜索?
1085 Triangle War 博弈論
1086 Unscrambling Images 模擬?
1087 A Plug for UNIX 圖論->最大流
1088 滑雪 DFS/DP
1090 Chain ->格雷碼和二進(jìn)制碼的轉(zhuǎn)換
1091 跳蚤 數(shù)論
1092 Farmland 幾何
1093 Formatting Text DP
1094 Sorting It All Out 圖論->拓?fù)渑判?br>1095 Trees Made to Order 組合數(shù)學(xué)
1096 Space Station Shielding 送分題
1097 Roads Scholar 圖論
1098 Robots 模擬
1099 Square Ice 送分題
1100 Dreisam Equations 搜索
1101 The Game 搜索->BFS
1102 LC-Display 送分題
1103 Maze 模擬
1104 Robbery 遞推
1106 Transmitters 幾何
1107 W's Cipher 送分題
1110 Double Vision 搜索
1111 Image Perimeters 搜索
1112 Team Them Up! DP
1113 Wall 計(jì)算幾何->convex hull
1119 Start Up the Startup 送分題
1120 A New Growth Industry 模擬
1122 FDNY to the Rescue! 圖論->Dijkstra
1125 Stockbroker Grapevine 圖論->Dijkstra
1128 Frame Stacking 搜索
1129 Channel Allocation 搜索(圖的最大獨(dú)立集)
1131 Octal Fractions 高精度
1135 Domino Effect 圖論->Dijkstra
1137 The New Villa 搜索->BFS
1141 Brackets Sequence DP
1142 Smith Numbers 搜索
1143 Number Game 博弈論
1147 Binary codes 構(gòu)造
1148 Utopia Divided 構(gòu)造
1149 PIGS 圖論->網(wǎng)絡(luò)流
1151 Atlantis 計(jì)算幾何->同等安置矩形的并的面積->離散化
1152 An Easy Problem! 數(shù)論
1157 LITTLE SHOP OF FLOWERS DP
1158 TRAFFIC LIGHTS 圖論->Dijkstra變形
1159 Palindrome DP->LCS
1160 Post Office DP
1161 Walls 圖論
1162 Building with Blocks 搜索
1163 The Triangle DP
1170 Shopping Offers DP
1177 Picture 計(jì)算幾何->同等安置矩形的并的周長->線段樹
1179 Polygon DP
1180 Batch Scheduling DP
1182 食物鏈 數(shù)據(jù)結(jié)構(gòu)->并查集
1183 反正切函數(shù)的應(yīng)用 搜索
1184 聰明的打字員 搜索
1185 炮兵陣地 DP->數(shù)據(jù)壓縮
1187 隕石的秘密 DP(BalkanOI99 Par的拓展)
1189 釘子和小球 遞推?
1190 生日蛋糕 搜索/DP
1191 棋盤分割 DP
1192 最優(yōu)連通子集 圖論->無負(fù)權(quán)回路的有向圖的最長路->BellmanFord
1193 內(nèi)存分配 模擬
1194 HIDDEN CODES 搜索+DP
1197 Depot 數(shù)據(jù)結(jié)構(gòu)->Young Tableau
1201 Intervals 貪心/圖論->最長路->差分約束系統(tǒng)
1202 Family 高精度
1209 Calendar 日期處理
1217 FOUR QUARTERS 遞推
1218 THE DRUNK JAILER 送分題
1233 Street Crossing 搜索->BFS
1245 Programmer, Rank Thyself 送分題
1247 Magnificent Meatballs 送分題
1248 Safecracker 搜索
1250 Tanning Salon 送分題
1251 Jungle Roads 圖論->最小生成樹
1271 Nice Milk 計(jì)算幾何
1273 Drainage Ditches 圖論->最大流
1274 The Perfect Stall 圖論->二分圖的最大匹配
1275 Cashier Employment 圖論->差分約束系統(tǒng)->無負(fù)權(quán)回路的有向圖的最長路->Bellman-Ford
1280 Game 遞推
1281 MANAGER 模擬
1286 Necklace of Beads 組合數(shù)學(xué)->Polya定理
1288 Sly Number 數(shù)論->解模線性方程組
1293 Duty Free Shop DP
1298 The Hardest Problem Ever 送分題
1316 Self Numbers 遞推 同Humble Number一樣
1322 Chocolate 遞推/組合數(shù)學(xué)
1323 Game Prediction 貪心
1324 Holedox Moving BFS+壓縮儲(chǔ)存
1325 Machine Schedule 圖論->二分圖的最大匹配
1326 Mileage Bank 送分題
1327 Moving Object Recognition 模擬?
1328 Radar Installation 貪心(差分約束系統(tǒng)的特例)
1338 Ugly Numbers 遞推(有O(n)算法)
1364 King 圖論->無負(fù)權(quán)回路的有向圖的最長路->BellmanFord
1370 Gossiping (數(shù)論->模線性方程有無解的判斷)+(圖論->DFS)
2184 Cow Exhibition DP
2190 ISBN 送分題
2191 Mersenne Composite Numbers 數(shù)論
2192 Zipper DP->LCS變形
2193 Lenny's Lucky Lotto Lists DP
2194 Stacking Cylinders 幾何
2195 Going Home 圖論->二分圖的最大權(quán)匹配
2196 Specialized Four-Digit Numbers 送分題
2197 Jill's Tour Paths 圖論->
2199 Rate of Return 高精度
2200 A Card Trick 模擬
2210 Metric Time 日期處理
2239 Selecting Courses 圖論->二分圖的最大匹配
2243 Knight Moves 搜索->BFS
2247 Humble Numbers 遞推(最優(yōu)O(n)算法)
2253 Frogger 圖論->Dijkstra變形(和1295是一樣的)
2254 Globetrotter 幾何
2261 France '98 遞推
2275 Flipping Pancake 構(gòu)造
2284 That Nice Euler Circuit 計(jì)算幾何
2289 Jamie's Contact Groups 圖論->網(wǎng)絡(luò)流?
2291 Rotten Ropes 送分題
2292 Optimal Keypad DP
2299 Ultra-QuickSort 排序->歸并排序
2304 Combination Lock 送分題
2309 BST 送分題
2311 Cutting Game 博弈論
2312 Battle City 搜索->BFS
2314 POJ language 模擬
2315 Football Game 幾何
2346 Lucky tickets 組合數(shù)學(xué)
2351 Time Zones 時(shí)間處理
2379 ACM Rank Table 模擬+排序
2381 Random Gap 數(shù)論
2385 Apple Catching DP(像NOI98“免費(fèi)餡餅”)
2388 Who's in the Middle 送分題(排序)
2390 Bank Interest 送分題
2395 Out of Hay 圖論->Dijkstra變形
2400 Supervisor, Supervisee 圖論->二分圖的最大權(quán)匹配?
2403 Hay Points 送分題
2409 Let it Bead 組合數(shù)學(xué)->Polya定理
2416 Return of the Jedi 圖論->
2417 Discrete Logging 數(shù)論
2418 Hardwood Species 二分查找
2419 Forests 枚舉
2421 Constructing Roads 圖論->最小生成樹
2423 The Parallel Challenge Ballgame 幾何
2424 Flo's Restaurant 數(shù)據(jù)結(jié)構(gòu)->堆
2425 A Chess Game 博弈論
2426 Remainder BFS
2430 Lazy Cows DP->數(shù)據(jù)壓縮
1375 Intervals 幾何
1379 Run Away 計(jì)算幾何->
1380 Equipment Box 幾何
1383 Labyrinth 圖論->樹的最長路
1394 Railroad 圖論->Dijkstra
1395 Cog-Wheels 數(shù)學(xué)->解正系數(shù)的線性方程組
1408 Fishnet 幾何
1411 Calling Extraterrestrial Intelligence Again 送分題
1430 Binary Stirling Numbers 日期處理
1431 Calendar of Maya 模擬
1432 Decoding Morse Sequences DP
1434 Fill the Cisterns! 計(jì)算幾何->離散化/
1445 Random number 數(shù)據(jù)結(jié)構(gòu)->碓
1447 Ambiguous Dates 日期處理
1450 Gridland 圖論(本來TSP問題是NP難的,但這個(gè)圖比較特殊,由現(xiàn)成的構(gòu)造方法)
1458 Common Subsequence DP->LCS
1459 Power Network 圖論->最大流
1462 Random Walk 模擬+解線性方程組
1463 Strategic game 貪心
1466 Girls and Boys 圖論->n/a
1469 COURSES 貪心
1475 Pushing Boxes DP
1476 Always On the Run 搜索->BFS
1480 Optimal Programs 搜索->BFS
1481 The Die Is Cast 送分題
1482 It's not a Bug, It's a Feature! 搜索->BFS
1483 Going in Circles on Alpha Centauri 模擬
1484 Blowing Fuses 送分題
1485 Fast Food DP(似乎就是ioi2000的postoffice)
1486 Sorting Slides 圖論->拓?fù)渑判?br>1505 Copying Books DP+二分查找
1510 Hares and Foxes 數(shù)論
1512 Keeps Going and Going and ... 模擬
1513 Scheduling Lectures DP
1514 Metal Cutting 幾何
1515 Street Directions 圖論->把一個(gè)無向連通圖改造成為有向強(qiáng)連通圖
1517 u Calculate e 送分題
1518 Problem Bee 幾何
1519 Digital Roots 送分題(位數(shù)可能很大)
1520 Scramble Sort 排序
1547 Clay Bully 送分題
1555 Polynomial Showdown 送分題(非常陰險(xiǎn))
1563 The Snail 送分題
1601 Pizza Anyone? 搜索
1604 Just the Facts 送分題
1605 Horse Shoe Scoring 幾何
1606 Jugs 數(shù)論/搜索
1631 Bridging signals DP+二分查找
1632 Vase collection 圖論->最大完全圖
1633 Gladiators DP
1634 Who's the boss? 排序
1635 Subway tree systems 圖論->不同表示法的二叉樹判同
1637 Sightseeing tour 圖論->歐拉回路
1638 A number game 博弈論
1639 Picnic Planning 圖論->
1641 Rational Approximation 數(shù)論
1646 Double Trouble 高精度
1654 Area 幾何
1657 Distance on Chessboard 送分題
1658 Eva's Problem 送分題
1660 Princess FroG 構(gòu)造
1661 Help Jimmy DP
1663 Number Steps 送分題
1664 放蘋果 組合數(shù)學(xué)->遞推
1677 Girls' Day 送分題
1688 Dolphin Pool 計(jì)算幾何
1690 (Your)((Term)((Project))) 送分題
1691 Painting A Board 搜索/DP
1692 Crossed Matchings DP
1693 Counting Rectangles 幾何
1694 An Old Stone Game 博弈論?
1695 Magazine Delivery 圖論->
1712 Flying Stars DP
1713 Divide et unita 搜索
1714 The Cave 搜索/DP
1717 Dominoes DP
1718 River Crossing DP
1719 Shooting Contest 貪心
1729 Jack and Jill 圖論->
1730 Perfect Pth Powers 數(shù)論
1732 Phone numbers DP
1734 Sightseeing trip 圖論->Euler回路
1738 An old Stone Game 博弈論?
1741 Tree 博弈論?
1745 Divisibility DP
1751 Highways 圖論->
1752 Advertisement 貪心/圖論->差分約束系統(tǒng)
1753 Flip Game 搜索->BFS
1755 Triathlon 計(jì)算幾何?
1770 Special Experiment 樹形DP
1771 Elevator Stopping Plan DP
1772 New Go Game 構(gòu)造?
1773 Outernet 模擬
1774 Fold Paper Strips 幾何
1775 Sum of Factorials 送分題
1776 Task Sequences DP
1777 Vivian's Problem 數(shù)論
1870 Bee Breeding 送分題
1871 Bullet Hole 幾何
1872 A Dicey Problem BFS
1873 The Fortified Forest 幾何+回溯
1874 Trade on Verweggistan DP
1875 Robot 幾何
1876 The Letter Carrier's Rounds 模擬
1877 Flooded! 數(shù)據(jù)結(jié)構(gòu)->堆
1879 Tempus et mobilius Time and motion 模擬+組合數(shù)學(xué)->Polya定理
1882 Stamps 搜索+DP
1883 Theseus and the Minotaur 模擬
1887 Testing the CATCHER DP
1889 Package Pricing DP
1893 Monitoring Wheelchair Patients 模擬+幾何
1915 Knight Moves 搜索->BFS
1916 Rat Attack 數(shù)據(jù)結(jié)構(gòu)->?
1936 All in All DP?
1946 Cow Cycling DP
1947 Rebuilding Roads 二分
1985 Cow Marathon 圖論->有向無環(huán)圖的最長路
1995 Raising Modulo Numbers 數(shù)論->大數(shù)的冪求余
2049 Finding Nemo 圖論->最短路
2050 Searching the Web 模擬(需要高效實(shí)現(xiàn))
2051 Argus 送分題(最好用堆,不用也可以過)
2054 Color a Tree 貪心
2061 Pseudo-random Numbers 數(shù)論
2080 Calendar 日期處理
2082 Terrible Sets 分治/
2083 Fractal 遞歸
2084 Game of Connections 遞推(不必高精度)
2105 IP Address 送分題
2115 C Looooops 數(shù)論->解模線性方程
2136 Vertical Histogram 送分題
2165 Gunman 計(jì)算幾何
2179 Inlay Cutters 枚舉
2181 Jumping Cows 遞推
2182 Lost Cows ->線段樹/
=============================================
1370 Gossiping (數(shù)論->模線性方程有無解的判斷)+(圖論->DFS)
1090 Chain ->格雷碼和二進(jìn)制碼的轉(zhuǎn)換
2182 Lost Cows ->線段樹/
2426 Remainder BFS
1872 A Dicey Problem BFS
1324 Holedox Moving BFS+壓縮儲(chǔ)存
1088 滑雪 DFS/DP
1015 Jury Compromise DP
1050 To the Max DP
1062 昂貴的聘禮 DP
1065 Wooden Sticks DP
1074 Parallel Expectations DP
1093 Formatting Text DP
1112 Team Them Up! DP
1141 Brackets Sequence DP
1157 LITTLE SHOP OF FLOWERS DP
1160 Post Office DP
1163 The Triangle DP
1170 Shopping Offers DP
1179 Polygon DP
1180 Batch Scheduling DP
1191 棋盤分割 DP
1293 Duty Free Shop DP
2184 Cow Exhibition DP
2193 Lenny's Lucky Lotto Lists DP
2292 Optimal Keypad DP
1432 Decoding Morse Sequences DP
1475 Pushing Boxes DP
1513 Scheduling Lectures DP
1633 Gladiators DP
1661 Help Jimmy DP
1692 Crossed Matchings DP
1712 Flying Stars DP
1717 Dominoes DP
1718 River Crossing DP
1732 Phone numbers DP
1745 Divisibility DP
1771 Elevator Stopping Plan DP
1776 Task Sequences DP
1874 Trade on Verweggistan DP
1887 Testing the CATCHER DP
1889 Package Pricing DP
1946 Cow Cycling DP
1187 隕石的秘密 DP(BalkanOI99 Par的拓展)
1485 Fast Food DP(似乎就是ioi2000的postoffice)
2385 Apple Catching DP(像NOI98“免費(fèi)餡餅”)
1064 Cable master DP/二分查找
1037 A decorative fence DP/組合數(shù)學(xué)
1936 All in All DP?
1505 Copying Books DP+二分查找
1631 Bridging signals DP+二分查找
1159 Palindrome DP->LCS
1458 Common Subsequence DP->LCS
1080 Human Gene Functions DP->LCS變形
2192 Zipper DP->LCS變形
1185 炮兵陣地 DP->數(shù)據(jù)壓縮
2430 Lazy Cows DP->數(shù)據(jù)壓縮
1067 取石子游戲 博弈論
1082 Calendar Game 博弈論
1085 Triangle War 博弈論
1143 Number Game 博弈論
2311 Cutting Game 博弈論
2425 A Chess Game 博弈論
1638 A number game 博弈論
1694 An Old Stone Game 博弈論?
1738 An old Stone Game 博弈論?
1741 Tree 博弈論?
2083 Fractal 遞歸
1104 Robbery 遞推
1217 FOUR QUARTERS 遞推
1280 Game 遞推
2261 France '98 遞推
2181 Jumping Cows 遞推
1316 Self Numbers 遞推 同Humble Number一樣
2084 Game of Connections 遞推(不必高精度)
1338 Ugly Numbers 遞推(有O(n)算法)
2247 Humble Numbers 遞推(最優(yōu)O(n)算法)
1322 Chocolate 遞推/組合數(shù)學(xué)
1189 釘子和小球 遞推?
1947 Rebuilding Roads 二分
2418 Hardwood Species 二分查找
2082 Terrible Sets 分治/
1001 Exponentiation 高精度
1047 Round and Round We Go 高精度
1060 Modular multiplication of polynomials 高精度
1131 Octal Fractions 高精度
1202 Family 高精度
2199 Rate of Return 高精度
1646 Double Trouble 高精度
1147 Binary codes 構(gòu)造
1148 Utopia Divided 構(gòu)造
2275 Flipping Pancake 構(gòu)造
1660 Princess FroG 構(gòu)造
1772 New Go Game 構(gòu)造?
1005 I Think I Need a Houseboat 幾何
1039 Pipe 幾何
1070 Deformed Wheel 幾何
1092 Farmland 幾何
1106 Transmitters 幾何
2194 Stacking Cylinders 幾何
2254 Globetrotter 幾何
2315 Football Game 幾何
2423 The Parallel Challenge Ballgame 幾何
1375 Intervals 幾何
1380 Equipment Box 幾何
1408 Fishnet 幾何
1514 Metal Cutting 幾何
1518 Problem Bee 幾何
1605 Horse Shoe Scoring 幾何
1654 Area 幾何
1693 Counting Rectangles 幾何
1774 Fold Paper Strips 幾何
1871 Bullet Hole 幾何
1875 Robot 幾何
1873 The Fortified Forest 幾何+回溯
1031 Fence 計(jì)算幾何
1034 The dog task 計(jì)算幾何
1271 Nice Milk 計(jì)算幾何
2284 That Nice Euler Circuit 計(jì)算幾何
1688 Dolphin Pool 計(jì)算幾何
2165 Gunman 計(jì)算幾何
1755 Triathlon 計(jì)算幾何?
1379 Run Away 計(jì)算幾何->
1113 Wall 計(jì)算幾何->convex hull
1434 Fill the Cisterns! 計(jì)算幾何->離散化/
1151 Atlantis 計(jì)算幾何->同等安置矩形的并的面積->離散化
1177 Picture 計(jì)算幾何->同等安置矩形的并的周長->線段樹
2419 Forests 枚舉
2179 Inlay Cutters 枚舉
1025 Department 模擬
1027 The Same Game 模擬
1048 Follow My Logic 模擬
1049 Microprocessor Simulation 模擬
1073 The Willy Memorial Program 模擬
1075 University Entrance Examination 模擬
1098 Robots 模擬
1103 Maze 模擬
1120 A New Growth Industry 模擬
1193 內(nèi)存分配 模擬
1281 MANAGER 模擬
2200 A Card Trick 模擬
2314 POJ language 模擬
1431 Calendar of Maya 模擬
1483 Going in Circles on Alpha Centauri 模擬
1512 Keeps Going and Going and ... 模擬
1773 Outernet 模擬
1876 The Letter Carrier's Rounds 模擬
1883 Theseus and the Minotaur 模擬
2050 Searching the Web 模擬(需要高效實(shí)現(xiàn))
1012 Joseph 模擬/數(shù)學(xué)方法
1086 Unscrambling Images 模擬?
1327 Moving Object Recognition 模擬?
1893 Monitoring Wheelchair Patients 模擬+幾何
1462 Random Walk 模擬+解線性方程組
2379 ACM Rank Table 模擬+排序
1879 Tempus et mobilius Time and motion 模擬+組合數(shù)學(xué)->Polya定理
1520 Scramble Sort 排序
1634 Who's the boss? 排序
2299 Ultra-QuickSort 排序->歸并排序
1008 Maya Calendar 日期處理
1209 Calendar 日期處理
2210 Metric Time 日期處理
1430 Binary Stirling Numbers 日期處理
1447 Ambiguous Dates 日期處理
2080 Calendar 日期處理
2351 Time Zones 時(shí)間處理
1770 Special Experiment 樹形DP
1916 Rat Attack 數(shù)據(jù)結(jié)構(gòu)->?
1197 Depot 數(shù)據(jù)結(jié)構(gòu)->Young Tableau
1182 食物鏈 數(shù)據(jù)結(jié)構(gòu)->并查集
2424 Flo's Restaurant 數(shù)據(jù)結(jié)構(gòu)->堆
1877 Flooded! 數(shù)據(jù)結(jié)構(gòu)->堆
1445 Random number 數(shù)據(jù)結(jié)構(gòu)->碓
1023 The Fun Number System 數(shù)論
1061 青蛙的約會(huì) 數(shù)論
1091 跳蚤 數(shù)論
1152 An Easy Problem! 數(shù)論
2191 Mersenne Composite Numbers 數(shù)論
2381 Random Gap 數(shù)論
2417 Discrete Logging 數(shù)論
1510 Hares and Foxes 數(shù)論
1641 Rational Approximation 數(shù)論
1730 Perfect Pth Powers 數(shù)論
1777 Vivian's Problem 數(shù)論
2061 Pseudo-random Numbers 數(shù)論
1014 Dividing 數(shù)論/DP?/組合數(shù)學(xué)->母函數(shù)?
1606 Jugs 數(shù)論/搜索
1995 Raising Modulo Numbers 數(shù)論->大數(shù)的冪求余
2115 C Looooops 數(shù)論->解模線性方程
1288 Sly Number 數(shù)論->解模線性方程組
1395 Cog-Wheels 數(shù)學(xué)->解正系數(shù)的線性方程組
1000 A+B Problem 送分題
1003 Hangover 送分題
1004 Financial Management 送分題
1006 Biorhythms 送分題
1007 DNA Sorting 送分題
1016 Numbers That Count 送分題
1019 Number Sequence 送分題
1028 Web Navigation 送分題
1046 Color Me Less 送分題
1053 Set Me 送分題
1068 Parencodings 送分題
1071 Illusive Chase 送分題
1096 Space Station Shielding 送分題
1099 Square Ice 送分題
1102 LC-Display 送分題
1107 W's Cipher 送分題
1119 Start Up the Startup 送分題
1218 THE DRUNK JAILER 送分題
1245 Programmer, Rank Thyself 送分題
1247 Magnificent Meatballs 送分題
1250 Tanning Salon 送分題
1298 The Hardest Problem Ever 送分題
1326 Mileage Bank 送分題
2190 ISBN 送分題
2196 Specialized Four-Digit Numbers 送分題
2291 Rotten Ropes 送分題
2304 Combination Lock 送分題
2309 BST 送分題
2390 Bank Interest 送分題
2403 Hay Points 送分題
1411 Calling Extraterrestrial Intelligence Again 送分題
1481 The Die Is Cast 送分題
1484 Blowing Fuses 送分題
1517 u Calculate e 送分題
1547 Clay Bully 送分題
1563 The Snail 送分題
1604 Just the Facts 送分題
1657 Distance on Chessboard 送分題
1658 Eva's Problem 送分題
1663 Number Steps 送分題
1677 Girls' Day 送分題
1690 (Your)((Term)((Project))) 送分題
1775 Sum of Factorials 送分題
1870 Bee Breeding 送分題
2105 IP Address 送分題
2136 Vertical Histogram 送分題
1555 Polynomial Showdown 送分題(非常陰險(xiǎn))
2388 Who's in the Middle 送分題(排序)
1519 Digital Roots 送分題(位數(shù)可能很大)
1045 Bode Plot 送分題(用物理知識(shí))
2051 Argus 送分題(最好用堆,不用也可以過)
1011 Sticks 搜索
1020 Anniversary Cake 搜索
1054 The Troublesome Frog 搜索
1069 The Bermuda Triangle 搜索
1072 Puzzle Out 搜索
1100 Dreisam Equations 搜索
1110 Double Vision 搜索
1111 Image Perimeters 搜索
1128 Frame Stacking 搜索
1142 Smith Numbers 搜索
1162 Building with Blocks 搜索
1183 反正切函數(shù)的應(yīng)用 搜索
1184 聰明的打字員 搜索
1248 Safecracker 搜索
1601 Pizza Anyone? 搜索
1713 Divide et unita 搜索
1129 Channel Allocation 搜索(圖的最大獨(dú)立集)
1190 生日蛋糕 搜索/DP
1691 Painting A Board 搜索/DP
1714 The Cave 搜索/DP
1084 Square Destroyer 搜索?
1010 STAMPS 搜索+DP
1194 HIDDEN CODES 搜索+DP
1882 Stamps 搜索+DP
1101 The Game 搜索->BFS
1137 The New Villa 搜索->BFS
1233 Street Crossing 搜索->BFS
2243 Knight Moves 搜索->BFS
2312 Battle City 搜索->BFS
1476 Always On the Run 搜索->BFS
1480 Optimal Programs 搜索->BFS
1482 It's not a Bug, It's a Feature! 搜索->BFS
1753 Flip Game 搜索->BFS
1915 Knight Moves 搜索->BFS
1017 Packets 貪心
1018 Communication System 貪心
1323 Game Prediction 貪心
1463 Strategic game 貪心
1469 COURSES 貪心
1719 Shooting Contest 貪心
2054 Color a Tree 貪心
1328 Radar Installation 貪心(差分約束系統(tǒng)的特例)
1042 Gone Fishing 貪心/DP
1752 Advertisement 貪心/圖論->差分約束系統(tǒng)
1201 Intervals 貪心/圖論->最長路->差分約束系統(tǒng)
1097 Roads Scholar 圖論
1161 Walls 圖論
1450 Gridland 圖論(本來TSP問題是NP難的,但這個(gè)圖比較特殊,由現(xiàn)成的構(gòu)造方法)
2197 Jill's Tour Paths 圖論->
2416 Return of the Jedi 圖論->
1639 Picnic Planning 圖論->
1695 Magazine Delivery 圖論->
1729 Jack and Jill 圖論->
1751 Highways 圖論->
1122 FDNY to the Rescue! 圖論->Dijkstra
1125 Stockbroker Grapevine 圖論->Dijkstra
1135 Domino Effect 圖論->Dijkstra
1394 Railroad 圖論->Dijkstra
1158 TRAFFIC LIGHTS 圖論->Dijkstra變形
2395 Out of Hay 圖論->Dijkstra變形
2253 Frogger 圖論->Dijkstra變形(和1295是一樣的)
1734 Sightseeing trip 圖論->Euler回路
1466 Girls and Boys 圖論->n/a
1515 Street Directions 圖論->把一個(gè)無向連通圖改造成為有向強(qiáng)連通圖
1635 Subway tree systems 圖論->不同表示法的二叉樹判同
1275 Cashier Employment 圖論->差分約束系統(tǒng)->無負(fù)權(quán)回路的有向圖的最長路->Bellman-Ford
1274 The Perfect Stall 圖論->二分圖的最大匹配
1325 Machine Schedule 圖論->二分圖的最大匹配
2239 Selecting Courses 圖論->二分圖的最大匹配
2195 Going Home 圖論->二分圖的最大權(quán)匹配
2400 Supervisor, Supervisee 圖論->二分圖的最大權(quán)匹配?
1637 Sightseeing tour 圖論->歐拉回路
1383 Labyrinth 圖論->樹的最長路
1094 Sorting It All Out 圖論->拓?fù)渑判?br>1486 Sorting Slides 圖論->拓?fù)渑判?br>1149 PIGS 圖論->網(wǎng)絡(luò)流
2289 Jamie's Contact Groups 圖論->網(wǎng)絡(luò)流?
1192 最優(yōu)連通子集 圖論->無負(fù)權(quán)回路的有向圖的最長路->BellmanFord
1364 King 圖論->無負(fù)權(quán)回路的有向圖的最長路->BellmanFord
1985 Cow Marathon 圖論->有向無環(huán)圖的最長路
1087 A Plug for UNIX 圖論->最大流
1273 Drainage Ditches 圖論->最大流
1459 Power Network 圖論->最大流
1632 Vase collection 圖論->最大完全圖
2049 Finding Nemo 圖論->最短路
1251 Jungle Roads 圖論->最小生成樹
2421 Constructing Roads 圖論->最小生成樹
1026 Cipher 組合數(shù)學(xué)
1095 Trees Made to Order 組合數(shù)學(xué)
2346 Lucky tickets 組合數(shù)學(xué)
1286 Necklace of Beads 組合數(shù)學(xué)->Polya定理
2409 Let it Bead 組合數(shù)學(xué)->Polya定理
1664 放蘋果 組合數(shù)學(xué)->遞推
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posted on 2010-08-21 20:07
崔佳星 閱讀(641)
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