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全部文章（共943篇）

【POJ - 2631】Roads in the North （树的直径，模板）

题干： Building and maintaining roads among communities in the far North is an expensive business. With this in mind, the roads are build such that ther...

2018-09-15

0 377

【CodeForces - 745B】Hongcow Solves A Puzzle （思维，乱搞，字符串）

题干： Hongcow likes solving puzzles. One day, Hongcow finds two identical puzzle pieces, with the instructions "make a rectangle" next to th...

2018-09-15

0 495

*【CodeForces - 771】ABear and Friendship Condition （图论，判断完全图，dfs乱搞或带权并查集）

题干： Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share...

2018-09-15

0 541

【OpenJ_Bailian - 2299 】Ultra-QuickSort （归并排序或离散化 + 树状数组）

题干： In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping two ad...

2018-09-15

0 422

【HDU - 1302】The Snail （模拟，水题）

题干： A snail is at the bottom of a 6-foot well and wants to climb to the top. The snail can climb 3 feet while the sun is up, but slides down 1 foot a...

2018-09-13

0 481

【HDU - 1216 】Assistance Required （模拟，类似素数打表，不是素数问题！）

题干： After the 1997/1998 Southwestern European Regional Contest (which was held in Ulm) a large contest party took place. The organization team invent...

2018-09-13

0 534

【HDU - 1022】Train Problem I （栈模拟，水题，思维）

题干： As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains ...

2018-09-13

0 464

【HDU - 1702 】ACboy needs your help again! （栈和队列，水题模拟）

题干： ACboy was kidnapped!! he miss his mother very much and is very scare now.You can't image how dark the room he was put into is, so poor :(. As a...

2018-09-13

0 541

【CF#192 A】Funky Numbers （二分，查找，二元组）

题干： As you very well know, this year's funkiest numbers are so called triangular numbers (that is, integers that are representable as , where k is so...

2018-09-13

0 536

【HDU - 6016】Count the Sheep （思维，类似二分图）

题干： Altough Skipping the class is happy, the new term still can drive luras anxious which is of course because of the tests! Luras became worried as ...

2018-09-13

0 443