ID 题目 显示标签 隐藏标签 AC / 尝试 难度
3386 P859B  Lazy Security Guard 1 / 1 3
3373 P863A  Quasi-palindrome 1 / 1 3
3372 P863B  Kayaking 0 / 0 5
3365 P864B  Polycarp and Letters 1 / 1 3
3356 P865E  Hex Dyslexia 1 / 2 10
3355 P865F  Egg Roulette 0 / 0 10
3352 P868A  Bark to Unlock 1 / 1 3
3350 P868C  Qualification Rounds 0 / 0 5
3349 P868D  Huge Strings 0 / 0 8
3345 P869A  The Artful Expedient 1 / 1 3
3342 P869D  The Overdosing Ubiquity 0 / 0 10
3340 P870A  Search for Pretty Integers 1 / 1 3
3337 P870D  Something with XOR Queries 0 / 0 7
3329 P873E  Awards For Contestants 1 / 3 8
3327 P875A  Classroom Watch 0 / 0 4
3318 P877B  Nikita and string 2 / 6 5
3299 P883H  Palindromic Cut 0 / 0 6
3287 P886A  ACM ICPC 0 / 0 3
3280 P887B  Cubes for Masha 0 / 4 4
3279 P887C  Solution for Cube 0 / 0 5
3275 P888A  Local Extrema 1 / 1 3
3267 P891A  Pride 0 / 0 5
3259 P893B  Beautiful Divisors 0 / 0 3
3254 P894A  QAQ 1 / 1 3
3251 P894D  Ralph And His Tour in Binary Country 0 / 0 8
3249 P895A  Pizza Separation 1 / 1 4
3238 P897B  Chtholly's request 0 / 0 4
3236 P898B  Proper Nutrition 1 / 1 3
3232 P898F  Restoring the Expression 0 / 0 8
3223 P900C  Remove Extra One 0 / 0 5
3209 P903E  Swapping Characters 0 / 0 8
3205 P906B  Seating of Students 0 / 0 8
3204 P906C  Party 0 / 0 9
3201 P907A  Masha and Bears 0 / 0 4
3199 P908A  New Year and Counting Cards 0 / 0 3
3198 P908B  New Year and Buggy Bot 0 / 0 4
3197 P908C  New Year and Curling 0 / 0 5
3191 P909A  Generate Login 1 / 1 3
3181 P911B  Two Cakes 0 / 0 4
3180 P911C  Three Garlands 0 / 0 4
3179 P911D  Inversion Counting 0 / 0 6
3173 P912C  Perun, Ult! 0 / 0 9
3167 P913D  Too Easy Problems 0 / 0 6
3162 P914A  Perfect Squares 1 / 1 3
3160 P914C  Travelling Salesman and Special Numbers 0 / 0 6
3157 P914F  Substrings in a String 0 / 4 10
3147 P916A  Jamie and Alarm Snooze 0 / 0 3
3137 P918A  Eleven 1 / 1 3
3135 P919A  Supermarket 1 / 1 3
3134 P919B  Perfect Number 0 / 1 3

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