Volume 70 (7,000-7,099)

Problem ID Title Solution by Most Popular Input by
7000 Present Problem
7001 Bus Problem
7002 Queen on Horse
7003 A Balance Game on Trees
7004 Inside, Outside or On
7005 Constrained Maximum Average
7006 Folding a Binary String
7007 Finding Competitive Products
7008 Tactical Multiple Defense System
7009 Secret Binary Tree
7010 World Book Day
--
7011 Security System
7012 Kings of Persia
7013 Web Colors
7014 Ideal Scoreboard
7015 Elevators
7016 Antennas
7017 Working Hours
7018 Dragons
7019 Toll (2)
7020 Robot Race
7021 Bus (2)
7022 Line Fiting
7035 Built With Qinghuai and Ari Factor
7036 Puzzle & Dragons
7037 The Problem Needs 3D Arrays
7038 The Diameter of Tree
7039 Brushing King
7040 Color
7041 The Problem to Slow Down You
7042 The Problem to Make You Happy
7043 International Collegiate Routing Contest
7044 Unlimited Battery Works
7045 Last Defence
7046 Twelve Months
7047 Chat
7048 Coprime
7049 Galaxy
7050 Hatsune Miku
7051 Random Inversion Machine
--
7052 Memory
7053 NAND
7054 Osu!
7055 Square (2)
7056 Colorful Toy
7057 Trie
7058 A Curious Matt
7060 Collision (2)
7061 Dire Wolf
7062 Everlasting L
7063 Fluorescent
7064 GRE Words Once More!
7065 Happy Matt Friends
7066 Intersection (2)
7067 Just a Mistake
--
7068 K.Bro Sorting
7069 Dogs' Candies
7070 The E-Pang Palace
7071 Yong Zheng's Death
7072 Signal Interference
7073 Song Jiang's Rank List
7074 Train Scheduling
7075 Squared Frequency
--
7076 Highway(2)
7077 Little Zu Chongzhi's Triangles
7078 Yue Fei's Battle
7079 How Many Maos Does the Guanxi Worth
7087 The Binary Search Efficiency Doubter
7088 Preorder Traversals
7089 Rank Order
7090 Anagram Pyramids
7091 Height Ordering
7092 Islands in the Data Stream (2)
7093 Floating-Point Format Conversion
7094 Happy Happy Prime Prime
7095 Mancala
7096 A Rational Sequence (1)
7097 Growing Rectangular Spiral
7098 Farey Sums
7099 The Queen's Super-Circular Patio