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{"likeCnt":14,"createTime":"Nov 13, 2020 7:23:39 PM","author":"memset0","viewCnt":1073,"id":2500,"title":"2020 杭电多校 / 2020 Multi-University Training Contest by HDU","trustable":false,"dislikeCnt":0,"content":"## Round 1\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|:-:|:-:|:-:|\n| [problem:HDU-6751] | Avian Darts | 3572079 | 1500 ms | 524288 kB |\n| [problem:HDU-6752] | Boring Task | 3572080 | 5000 ms | 524288 kB |\n| [problem:HDU-6753] | Cookies | 3572081 | 4500 ms | 524288 kB |\n| [problem:HDU-6754] | Distinct Sub-palindromes | 3572082 | 1000 ms | 524288 kB |\n| [problem:HDU-6755] | Fibonacci Sum | 3572083 | 2000 ms | 524288 kB |\n| [problem:HDU-6756] | Finding a MEX | 3572084 | 3000 ms | 524288 kB |\n| [problem:HDU-6757] | Hunting Monsters | 3572085 | 3000 ms | 524288 kB |\n| [problem:HDU-6758] | Integral Calculus | 3572086 | 3500 ms | 532768 kB |\n| [problem:HDU-6759] | Leading Robots | 3572087 | 1000 ms | 524288 kB |\n| [problem:HDU-6760] | Math is Simple | 3572088 | 6000 ms | 524288 kB |\n| [problem:HDU-6761] | Minimum Index | 3572089 | 1500 ms | 524288 kB |\n| [problem:HDU-6762] | Mow | 3572090 | 1000 ms | 524288 kB |\n\n## Round 2\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6763] | Total Eclipse | 3578082 | 3000 ms | 524288 kB |\n| [problem:HDU-6764] | Blood Pressure Game | 3578083 | 10000 ms | 524288 kB |\n| [problem:HDU-6765] | Count on a Tree II Striking Back | 3578084 | 4000 ms | 524288 kB |\n| [problem:HDU-6766] | Diamond Rush | 3578085 | 8000 ms | 524288 kB |\n| [problem:HDU-6767] | New Equipments | 3578070 | 2000 ms | 524288 kB |\n| [problem:HDU-6768] | The Oculus | 3578086 | 5000 ms | 524288 kB |\n| [problem:HDU-6769] | In Search of Gold | 3578087 | 4000 ms | 524288 kB |\n| [problem:HDU-6770] | Dynamic Convex Hull | 3578088 | 4000 ms | 524288 kB |\n| [problem:HDU-6771] | It\u0027s All Squares | 3578089 | 4000 ms | 524288 kB |\n| [problem:HDU-6772] | Lead of Wisdom | 3578090 | 8000 ms | 524288 kB |\n| [problem:HDU-6773] | King of Hot Pot | 3578091 | 4000 ms | 524288 kB |\n| [problem:HDU-6774] | String Distance | 3578092 | 4000 ms | 524288 kB |\n\n## Round 3\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6791] | Tokitsukaze, CSL and Palindrome Game | 3592476 | 6000 ms | 524288 kB |\n| [problem:HDU-6792] | Lady Layton and Stone Game | 3592477 | 2000 ms | 524288 kB |\n| [problem:HDU-6793] | Tokitsukaze and Colorful Tree | 3592478 | 16000 ms | 524288 kB |\n| [problem:HDU-6794] | Tokitsukaze and Multiple | 3592479 | 1000 ms | 524288 kB |\n| [problem:HDU-6795] | Little W and Contest | 3592480 | 2000 ms | 524288 kB |\n| [problem:HDU-6796] | X Number | 3592481 | 3000 ms | 524288 kB |\n| [problem:HDU-6797] | Tokitsukaze and Rescue | 3592482 | 8000 ms | 524288 kB |\n| [problem:HDU-6798] | Triangle Collision | 3592483 | 2000 ms | 524288 kB |\n| [problem:HDU-6799] | Parentheses Matching | 3592484 | 2000 ms | 524288 kB |\n| [problem:HDU-6800] | Play osu! on Your Tablet | 3592485 | 5000 ms | 524288 kB |\n| [problem:HDU-6801] | Game on a Circle | 3592486 | 3000 ms | 524288 kB |\n\n## Round 4\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6802] | Anti-AK Problem | 3598477 | 20000 ms | 524288 kB |\n| [problem:HDU-6803] | Blow up the Enemy | 3598478 | 1000 ms | 524288 kB |\n| [problem:HDU-6804] | Contest of Rope Pulling | 3598479 | 5000 ms | 524288 kB |\n| [problem:HDU-6805] | Deliver the Cake | 3598473 | 2000 ms | 524288 kB |\n| [problem:HDU-6806] | Equal Sentences | 3598480 | 1000 ms | 524288 kB |\n| [problem:HDU-6807] | Fake Photo | 3598481 | 4000 ms | 524288 kB |\n| [problem:HDU-6808] | Go Running | 3598482 | 5000 ms | 524288 kB |\n| [problem:HDU-6809] | Head Maker | 3598483 | 2000 ms | 524288 kB |\n| [problem:HDU-6810] | Imperative Meeting | 3598484 | 2000 ms | 524288 kB |\n| [problem:HDU-6811] | Joyful Party | 3598485 | 4000 ms | 524288 kB |\n| [problem:HDU-6812] | Kindergarten Physics | 3598486 | 1000 ms | 524288 kB |\n| [problem:HDU-6813] | Last Problem | 3598487 | 1000 ms | 524288 kB |\n\n## Round 5\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6814] | Tetrahedron | 3610376 | 4500 ms | 524288 kB |\n| [problem:HDU-6815] | Funny String | 3610357 | 15000 ms | 524288 kB |\n| [problem:HDU-6816] | Boring Game | 3610358 | 1000 ms | 131072 kB |\n| [problem:HDU-6817] | Expression | 3610359 | 15000 ms | 524288 kB |\n| [problem:HDU-6818] | Array Repairing | 3610360 | 5000 ms | 524288 kB |\n| [problem:HDU-6819] | Alice and Bob | 3610361 | 1000 ms | 131072 kB |\n| [problem:HDU-6820] | Tree | 3610362 | 2000 ms | 262144 kB |\n| [problem:HDU-6821] | Set2 | 3610363 | 2000 ms | 524288 kB |\n| [problem:HDU-6822] | Paperfolding | 3610364 | 1000 ms | 131072 kB |\n| [problem:HDU-6823] | Function | 3610365 | 3000 ms | 524288 kB |\n| [problem:HDU-6824] | Exam | 3610366 | 5500 ms | 524288 kB |\n| [problem:HDU-6825] | Set1 | 3610367 | 5000 ms | 524288 kB |\n| [problem:HDU-6826] | An Easy Matrix Problem | 3610368 | 6000 ms | 131072 kB |\n\n## Round 6\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6827] | Road To The 3rd Building | 3616051 | 1000 ms | 262144 kB |\n| [problem:HDU-6828] | Little Rabbit\u0027s Equation | 3616055 | 1000 ms | 65536 kB |\n| [problem:HDU-6829] | Borrow | 3616056 | 1000 ms | 65536 kB |\n| [problem:HDU-6830] | Asteroid in Love | 3616100 | 3000 ms | 262144 kB |\n| [problem:HDU-6831] | Fragrant numbers | 3616103 | 2000 ms | 65536 kB |\n| [problem:HDU-6832] | A Very Easy Graph Problem | 3616059 | 2500 ms | 65536 kB |\n| [problem:HDU-6833] | A Very Easy Math Problem | 3616058 | 3000 ms | 65536 kB |\n| [problem:HDU-6834] | Yukikaze and Smooth numbers | 3616104 | 3000 ms | 524288 kB |\n| [problem:HDU-6835] | Divisibility | 3616060 | 1000 ms | 65536 kB |\n| [problem:HDU-6836] | Expectation | 3616105 | 5000 ms | 524288 kB |\n| [problem:HDU-6837] | Kirakira | 3616078 | 5000 ms | 524288 kB |\n\n## Round 7\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6844] | Animism | 3629698 | 15000 ms | 524288 kB |\n| [problem:HDU-6845] | Bitwise Xor | 3629699 | 4500 ms | 524288 kB |\n| [problem:HDU-6846] | Counting | 3629700 | 3000 ms | 524288 kB |\n| [problem:HDU-6847] | Decision | 3629658 | 10000 ms | 524288 kB |\n| [problem:HDU-6848] | Expectation | 3629701 | 5000 ms | 524288 kB |\n| [problem:HDU-6849] | Flower | 3629702 | 15000 ms | 524288 kB |\n| [problem:HDU-6850] | Game | 3629641 | 15000 ms | 524288 kB |\n| [problem:HDU-6851] | Heart | 3629703 | 20000 ms | 524288 kB |\n| [problem:HDU-6852] | Increasing and Decreasing | 3629642 | 3000 ms | 524288 kB |\n| [problem:HDU-6853] | Jogging | 3629651 | 5000 ms | 524288 kB |\n| [problem:HDU-6854] | Kcats | 3629704 | 5000 ms | 524288 kB |\n\n## Round 8\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6855] | Auto-correction | 3634931 | 5000 ms | 524288 kB |\n| [problem:HDU-6856] | Breaking Down News | 3634932 | 10000 ms | 524288 kB |\n| [problem:HDU-6857] | Clockwise or Counterclockwise | 3634933 | 2000 ms | 524288 kB |\n| [problem:HDU-6858] | Discovery of Cycles | 3634934 | 4000 ms | 524288 kB |\n| [problem:HDU-6859] | Easy NPC Problem | 3634935 | 3000 ms | 524288 kB |\n| [problem:HDU-6860] | Fluctuation Limit | 3634936 | 2000 ms | 524288 kB |\n| [problem:HDU-6861] | Gaming of Co-prime Disallowance | 3634937 | 3000 ms | 524288 kB |\n| [problem:HDU-6862] | Hexagon | 3634938 | 2000 ms | 524288 kB |\n| [problem:HDU-6863] | Isomorphic Strings | 3634922 | 8000 ms | 524288 kB |\n| [problem:HDU-6864] | Jumping on a Cactus | 3634921 | 2000 ms | 524288 kB |\n| [problem:HDU-6865] | Kidnapper\u0027s Matching Problem | 3634939 | 2000 ms | 524288 kB |\n| [problem:HDU-6866] | Linuber File System | 3634940 | 2000 ms | 524288 kB |\n\n## Round 9\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6867] | Tree | 3648176 | 1000 ms | 65536 kB |\n| [problem:HDU-6868] | Absolute Math | 3648178 | 5000 ms | 262144 kB |\n| [problem:HDU-6869] | Slime and Stones | 3648179 | 1000 ms | 65536 kB |\n| [problem:HDU-6870] | Product | 3648180 | 5000 ms | 524288 kB |\n| [problem:HDU-6871] | Resistance | 3648181 | 2000 ms | 65536 kB |\n| [problem:HDU-6872] | Skyscrapers | 3648182 | 2000 ms | 65536 kB |\n| [problem:HDU-6873] | Game | 3648183 | 6000 ms | 65536 kB |\n| [problem:HDU-6874] | Distance | 3648184 | 15000 ms | 524288 kB |\n| [problem:HDU-6875] | Yajilin | 3648185 | 5000 ms | 262144 kB |\n| [problem:HDU-6876] | Jump | 3648186 | 15000 ms | 524288 kB |\n\n## Round 10\n\n| Problem | Title | ID | Time Limit | Memory Limit |\n|---|---|---|---|---|\n| [problem:HDU-6877] | Anti-hash Test | 3652700 | 1000 ms | 262144 kB |\n| [problem:HDU-6878] | Network Test | 3652693 | 8000 ms | 262144 kB |\n| [problem:HDU-6879] | Mine Sweeper | 3652694 | 1000 ms | 262144 kB |\n| [problem:HDU-6880] | Permutation Counting | 3652692 | 6000 ms | 262144 kB |\n| [problem:HDU-6881] | Tree Cutting | 3652701 | 10000 ms | 262144 kB |\n| [problem:HDU-6882] | Divide and Conquer | 3652702 | 1500 ms | 262144 kB |\n| [problem:HDU-6883] | Coin Game | 3652703 | 8000 ms | 262144 kB |\n| [problem:HDU-6884] | I do not know Graph Theory! | 3652704 | 14000 ms | 524288 kB |\n| [problem:HDU-6885] | Photography | 3652705 | 12000 ms | 262144 kB |\n| [problem:HDU-6886] | Tic-Tac-Toe-Nim | 3652706 | 3500 ms | 262144 kB |\n| [problem:HDU-6887] | Task Scheduler | 3652707 | 1000 ms | 65536 kB |"}
