Tobo

• Username: 7★tobo
• Country:  China
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

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No. of Contests Participated: 16

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Starters 191 (Rated till 6 star)(2025-06-18 22:00:00)

Global Rank:   15

Cheated in:   

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(2025-06-18 22:00:00)

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Starters 67 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   82

Cheated in:   

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(2022-12-20 00:00:00)

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Contests (16)

Starters 43 Division 4 (Rated)

DNA Storage, Burgers, Waiting Time, Distinct Palindrome, Joining Date

Starters 66 Division 4 (Rated)

Good Binary Strings, Palindrome by Splitting, Connect All Cities, Palindrome In Making, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland

Starters 67 Division 2 (Rated)

Maximum Angriness, Existence Of X, Counting Problem, Expensive Steps , Musical Rods

Starters 70 Division 2 (Rated)

Minimum distance between 1s, X AND Y Tree, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 1 (Unrated)

Flip the Prefix, Maximizing LCS

Starters 96 Division 1 (Rated till 5 Stars)

Swap the numbers, Zero Array, Mex Array, Absolute Differences

Starters 97 Division 1 (Rated till 6 Stars)

Make It Special, No Palindrome, Triplets Min

Starters 109 Division 1 (Rated till 5 Stars)

Chroma Swap, Rigged Game, Alter Ego, Chef Lost an Array, Minimum XOR

Starters 111 Division 1 (Rated till 6 Stars)

LCM Mania, Prefixing, Prime Range Game, Beautiful Strings, Component Count, Square Count

Starters 112 Divison 1 (Rated till 6 Stars)

Maximise Sum, Permutation Construction, Subtree Coloring, 3 Logicians Walk into a Bar, Yet Another Array Game, Cursed Indices

Starters 113 Division 1 (Rated)

Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Maximum Score

Starters 114 Division 1 (Rated till 6 Stars)

Yet another Matrix problem, Game on Array, Chef and Tag, Rock-Paper-Scissors, Lexicographic Rook on a Graph

Starters 115 Division 1 (Rated)

Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero

Starters 116 Divison 1 (Rated till 6-Stars)

Exact Savings, Permutation Sort, Chef Product, Chile, ORST

Starters 126 Division 1 (Rated till 6 Stars)

Tree Distance Set, Freedom, Triangular Swaps

Starters 148 Division 1 (Rated till 6 stars)

ZigZag Tree Sequences (Easy), ZigZag Tree Sequences (Hard), The Undisappearance, Beautiful Flip, Double Trouble, Xor Minimization (Easy)

Starters 161 (Rated)

Red-Blue Sort, The XOR Machine, One To Three, Quick Exit

Starters 191 (Rated till 6 star)

XOR Shortest Path, Add 1 or 2, Coloured Array, Grid Path (Easy), Permuted Greater than 2

Total Problems Solved: 91