18270 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
4156 codeforces#P1115U1  Anti-diagonal unitary 0 / 0 5
4155 codeforces#P1115U2  Chessboard unitary 0 / 0 5
4154 codeforces#P1115U3  Block unitary 0 / 0 5
4153 codeforces#P1116A1  Generate state |00⟩ + |01⟩ + |10⟩ 0 / 0 (None)
4152 codeforces#P1116A2  Generate equal superposition of four basis states 0 / 0 (None)
4151 codeforces#P1116B1  Distinguish three-qubit states 0 / 0 (None)
4150 codeforces#P1116B2  Not A, not B or not C? 0 / 0 (None)
4149 codeforces#P1116C1  Alternating bits oracle 0 / 0 (None)
4148 codeforces#P1116C2  "Is the bit string periodic?" oracle 0 / 0 (None)
4147 codeforces#P1116C3  "Is the number of ones divisible by 3?" oracle 0 / 0 (None)
4146 codeforces#P1116D1  Block diagonal matrix 0 / 0 (None)
4145 codeforces#P1116D2  Pattern of increasing blocks 0 / 0 (None)
4144 codeforces#P1116D3  X-wing fighter 0 / 0 (None)
4143 codeforces#P1116D4  TIE fighter 0 / 0 (None)
4142 codeforces#P1116D5  Creeper 0 / 0 (None)
4141 codeforces#P1116D6  Hessenberg matrix 0 / 0 (None)
4140 codeforces#P1117A  Best Subsegment 0 / 0 3
4139 codeforces#P1117B  Emotes 0 / 0 3
4138 codeforces#P1117C  Magic Ship 0 / 0 6
4137 codeforces#P1117D  Magic Gems 0 / 0 7
4136 codeforces#P1117E  Decypher the String 0 / 0 8
4135 codeforces#P1117F  Crisp String 0 / 0 9
4134 codeforces#P1117G  Recursive Queries 0 / 0 9
4133 codeforces#P1118A  Water Buying 0 / 0 3
4132 codeforces#P1118B  Tanya and Candies 0 / 0 4
4131 codeforces#P1118C  Palindromic Matrix 0 / 0 5
4130 codeforces#P1118D1  Coffee and Coursework (Easy version) 0 / 0 5
4129 codeforces#P1118D2  Coffee and Coursework (Hard Version) 0 / 0 5
4128 codeforces#P1118E  Yet Another Ball Problem 0 / 0 5
4127 codeforces#P1118F1  Tree Cutting (Easy Version) 0 / 0 6
4126 codeforces#P1118F2  Tree Cutting (Hard Version) 0 / 0 10
4125 codeforces#P1119A  Ilya and a Colorful Walk 0 / 0 3
4124 codeforces#P1119B  Alyona and a Narrow Fridge 0 / 0 4
4123 codeforces#P1119C  Ramesses and Corner Inversion 0 / 0 5
4122 codeforces#P1119D  Frets On Fire 0 / 0 6
4121 codeforces#P1119E  Pavel and Triangles 0 / 0 6
4120 codeforces#P1119F  Niyaz and Small Degrees 0 / 0 10
4119 codeforces#P1119G  Get Ready for the Battle 0 / 0 10
4118 codeforces#P1119H  Triple 0 / 0 10
4117 codeforces#P1120A  Diana and Liana 0 / 0 6
4116 codeforces#P1120B  Once in a casino 0 / 0 10
4115 codeforces#P1120C  Compress String 0 / 0 7
4114 codeforces#P1120D  Power Tree 0 / 0 9
4113 codeforces#P1120E  The very same Munchhausen 0 / 0 10
4112 codeforces#P1120F  Secret Letters 0 / 0 10
4111 codeforces#P1121A  Technogoblet of Fire 0 / 0 3
4110 codeforces#P1121B  Mike and Children 0 / 0 4
4109 codeforces#P1121C  System Testing 0 / 0 5
4108 codeforces#P1129A1  Toy Train (Simplified) 0 / 0 5
4107 codeforces#P1129A2  Toy Train 0 / 0 6
4106 codeforces#P1129B  Wrong Answer 0 / 0 7
4105 codeforces#P1129C  Morse Code 0 / 0 9
4104 codeforces#P1129D  Isolation 0 / 0 10
4103 codeforces#P1129E  Legendary Tree 0 / 0 10
4102 codeforces#P1130A  Be Positive 0 / 0 3
4101 codeforces#P1130B  Two Cakes 0 / 0 4
4100 codeforces#P1130C  Connect 0 / 0 4
4099 codeforces#P1131A  Sea Battle 0 / 0 3
4098 codeforces#P1131B  Draw! 0 / 0 4
4097 codeforces#P1131C  Birthday 0 / 0 4
4096 codeforces#P1131D  Gourmet choice 0 / 0 7
4095 codeforces#P1131E  String Multiplication 0 / 0 8
4094 codeforces#P1131F  Asya And Kittens 0 / 0 5
4093 codeforces#P1131G  Most Dangerous Shark 0 / 0 10
4092 codeforces#P1132A  Regular Bracket Sequence 0 / 0 3
4091 codeforces#P1132B  Discounts 0 / 0 3
4090 codeforces#P1132C  Painting the Fence 0 / 0 5
4089 codeforces#P1132D  Stressful Training 0 / 0 8
4088 codeforces#P1132E  Knapsack 0 / 0 8
4087 codeforces#P1132F  Clear the String 0 / 0 7
4086 codeforces#P1132G  Greedy Subsequences 0 / 0 9
4085 codeforces#P1133A  Middle of the Contest 0 / 0 3
4084 codeforces#P1133B  Preparation for International Women's Day 0 / 0 4
4083 codeforces#P1133C  Balanced Team 0 / 0 4
4082 codeforces#P1133D  Zero Quantity Maximization 0 / 0 5
4081 codeforces#P1133E  K Balanced Teams 0 / 0 6
4080 codeforces#P1133F1  Spanning Tree with Maximum Degree 0 / 0 5
4079 codeforces#P1133F2  Spanning Tree with One Fixed Degree 0 / 0 6
4078 codeforces#P1136A  Nastya Is Reading a Book 0 / 0 3
4077 codeforces#P1136B  Nastya Is Playing Computer Games 0 / 0 3
4076 codeforces#P1136C  Nastya Is Transposing Matrices 0 / 0 5
4075 codeforces#P1136D  Nastya Is Buying Lunch 0 / 0 6
4074 codeforces#P1136E  Nastya Hasn't Written a Legend 0 / 0 8
4073 codeforces#P1137A  Skyscrapers 0 / 0 5
4072 codeforces#P1137B  Camp Schedule 0 / 0 5
4071 codeforces#P1137C  Museums Tour 0 / 0 9
4070 codeforces#P1137D  Cooperative Game 0 / 0 9
4069 codeforces#P1137E  Train Car Selection 0 / 0 10
4068 codeforces#P1137F  Matches Are Not a Child's Play 0 / 0 10
4067 codeforces#P1138A  Sushi for Two 0 / 0 3
4066 codeforces#P1138B  Circus 0 / 0 6
4065 codeforces#P1139A  Even Substrings 0 / 0 3
4064 codeforces#P1139B  Chocolates 0 / 0 3
4063 codeforces#P1139C  Edgy Trees 0 / 0 5
4062 codeforces#P1139D  Steps to One 0 / 0 8
4061 codeforces#P1139E  Maximize Mex 0 / 0 9
4060 codeforces#P1139F  Dish Shopping 0 / 0 9
4059 codeforces#P1140A  Detective Book 0 / 0 3
4058 codeforces#P1140B  Good String 0 / 0 4
4057 codeforces#P1140C  Playlist 0 / 0 5

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