1015 Distance Between Two Points
1025 Where is the Marble?
1026 To Carry or not to Carry
1029 Fibonacci, How Many Calls?
1030 Flavious Josephus Legend
1034 Ice Statues Festival
1041 Coordinates of a Point
1047 Game Time with Minutes
1056 Factors and Multiples
1063 Rails Again... Tracing Movements
1064 Positives and Average
1065 Even Between five Numbers
1066 Even, Odd, Positive and Negative
1068 Parenthesis Balance I
1071 Sum of Consecutive Odd Numbers I
1078 Multiplication Table
1080 Highest and Position
1082 Connected Components
1083 LEXSIM - Sintatic and Lexical Avaliator
1091 Division of Nlogonia
1099 Sum of Consecutive Odd Numbers II
1101 Sequence of Numbers and Sum
1113 Ascending and Descending
1118 Several Scores with Validation
1121 Sticker Collector Robot
1140 Flowers Flourish from France
1149 Summing Consecutive Integers
1158 Sum of Consecutive Odd Numbers III
1159 Sum of Consecutive Even Numbers
1169 Grains in a Chess Board
1180 Lowest Number and Position
1183 Above the Main Diagonal
1184 Below the Main Diagonal
1185 Above the Secundary Diagonal
1186 Below the Secundary Diagonal
1192 Paula's Mathematic Game
1197 Back to High School Physics
1198 Hashmat the Brave Warrior
1199 Simple Base Conversion
1203 St. Petersburg Bridges
1210 Optimal Production of Great Vodka
1215 Andy's First Dictionary
1218 Getline Three - Shoes
1222 Short Story Competition
1242 Alien Ribonucleic Acid
1251 Tell me the Frequencies!
1279 Leap Year or Not Leap Year and ...
1289 What is the Probability?
1292 Trouble with a Pentagon
1294 The Largest and Smallest Box
1295 The Closest Pair Problem
1307 All You Need Is Love
1308 Etruscan Warriors Never Play Chess
1313 Diccionario Portuñol
1381 Diophantine Equations
1397 Game of The Greatest
1398 Ocean Deep! Make it Shallow!!
1401 Generating Fast, Sorted Permutation
1424 Easy Problem from Rujia Liu?
1457 Oracle of Alexandria
1462 Popularity in the Facebook
1466 Level Order Tree Traversal
1477 Man, Elephant and Mouse
1501 How Many Zeros and How Many Digits?
1530 How Many Substrings?
1544 The Last Non-zero Digit
1553 Frequent Asked Questions
1568 {sum+=i++} to Reach N
1579 Transport of Solar Panels
1580 Quid Est Veritas? Est Vir Qui Adest!
1582 The Pythagorean Theorem
1595 Humm.. Run or Walk.. That's the Question
1606 The Hints of Ali Baba
1620 Delaunay Triangulation
1636 Cyclic Antimonotonic Permutations
1641 Alfredo's Pizza Restaurant
1650 Black and White Painting
1661 Wine Trading in Gergovia
1683 Largest Rectangle in a Histogram
1697 Jaida and Multiply Game
1718 Grandpa Pepe's Pizza
1741 Reversed John's Notation
1744 Black and White Stones
1761 Christmas Decorations
1764 Itinerary of Santa Claus
1765 Christmas Trapeziums
1804 Mathematicians Needed in Mars
1807 Trinomial Triangle, the Revenge
1808 The Return of The King
1839 The Chamber of Secrets
1842 The Order of the Phoenix
1847 Welcome to the Winter!
1853 Daenerys' Game of Trust
1864 Our Days Are Never Coming Back
1867 The Greater One-digit Number
1873 Rock-paper-scissors-lizard-Spock
1878 Contests in Sequence
1880 Renzo and the Palindromic Decoration
1881 Robotics Competition
1882 Random Walks in Thailand
1883 Escape From Ayutthaya
1886 Protecting the Temples
1889 Training With the Larvae of Phuket
1890 Putting Plates on the Tuk-tuks
1891 Removing Coins in the Kem Kradan
1921 Guilherme and His Kites
1922 Diego and Hammer Game
1923 Rerisson and The Barbecue
1924 Vitória and Her Indecision
1926 Marianne and The Twin Cousins
1957 Converting to Hexadecimal
1959 Regular Simple Polygons
1960 Roman Numerals for Page Numbers
1962 A Long, Long Time Ago
1984 The Pronalância Puzzle
1999 Ball of Reconciliation
2028 Sequence of Sequence
2031 Rock, Paper, Airstrike
2131 Mrs. Montagny's Table
2152 Pepe, I Already Took the Candle!
2540 Leader's Impeachment
2658 Acordes Intergaláticos
2669 Laboratório de Biotecnologia
2694 Problem with the Calculator
2910 Highway Decommission
2914 Looking for the Risk Factor
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