|
|
6189 |
P614A Link/Cut Tree
|
0 / 0 |
普及
|
|
|
6188 |
P614B Gena's Code
|
0 / 0 |
普及-
|
|
|
6187 |
P615A Bulbs
|
0 / 0 |
普及-
|
|
|
6186 |
P615B Longtail Hedgehog
|
0 / 0 |
普及
|
|
|
6185 |
P615C Running Track
|
0 / 0 |
提高
|
|
|
6184 |
P615D Multipliers
|
0 / 0 |
提高
|
|
|
6183 |
P615E Hexagons
|
0 / 0 |
提高
|
|
|
6182 |
P616A Comparing Two Long Integers
|
0 / 0 |
普及-
|
|
|
6181 |
P616B Dinner with Emma
|
0 / 0 |
普及-
|
|
|
6180 |
P616C The Labyrinth
|
0 / 0 |
普及
|
|
|
6179 |
P616D Longest k-Good Segment
|
0 / 0 |
普及
|
|
|
6178 |
P616E Sum of Remainders
|
0 / 0 |
省选
|
|
|
6177 |
P616F Expensive Strings
|
0 / 0 |
CTSC
|
|
|
6176 |
P617A Elephant
|
0 / 0 |
普及-
|
|
|
6175 |
P617B Chocolate
|
0 / 0 |
普及-
|
|
|
6174 |
P617C Watering Flowers
|
0 / 0 |
普及
|
|
|
6173 |
P617D Polyline
|
0 / 0 |
普及
|
|
|
6172 |
P617E XOR and Favorite Number
|
0 / 0 |
省选
|
|
|
6171 |
P618A Slime Combining
|
0 / 0 |
普及-
|
|
|
6170 |
P618B Guess the Permutation
|
0 / 0 |
普及-
|
|
|
6169 |
P618C Constellation
|
0 / 0 |
普及
|
|
|
6168 |
P618D Hamiltonian Spanning Tree
|
0 / 0 |
省选
|
|
|
6167 |
P618E Robot Arm
|
0 / 0 |
NOI
|
|
|
6166 |
P618F Double Knapsack
|
0 / 0 |
CTSC
|
|
|
6165 |
P618G Combining Slimes
|
0 / 0 |
CTSC
|
|
|
6164 |
P620A Professor GukiZ's Robot
|
0 / 0 |
普及-
|
|
|
6163 |
P620B Grandfather Dovlet’s calculator
|
0 / 0 |
普及-
|
|
|
6162 |
P620C Pearls in a Row
|
0 / 0 |
普及
|
|
|
6161 |
P620D Professor GukiZ and Two Arrays
|
0 / 0 |
省选
|
|
|
6160 |
P620E New Year Tree
|
0 / 0 |
提高
|
|
|
6159 |
P620F Xors on Segments
|
0 / 0 |
CTSC
|
|
|
6158 |
P621A Wet Shark and Odd and Even
|
0 / 0 |
普及-
|
|
|
6157 |
P621B Wet Shark and Bishops
|
0 / 0 |
普及-
|
|
|
6156 |
P621C Wet Shark and Flowers
|
0 / 0 |
普及
|
|
|
6155 |
P621D Rat Kwesh and Cheese
|
0 / 0 |
NOI
|
|
|
6154 |
P621E Wet Shark and Blocks
|
0 / 0 |
提高
|
|
|
6153 |
P622A Infinite Sequence
|
0 / 0 |
普及-
|
|
|
6152 |
P622B The Time
|
0 / 0 |
普及-
|
|
|
6151 |
P622C Not Equal on a Segment
|
0 / 0 |
普及
|
|
|
6150 |
P622D Optimal Number Permutation
|
0 / 0 |
普及
|
|
|
6149 |
P622E Ants in Leaves
|
0 / 0 |
省选
|
|
|
6148 |
P622F The Sum of the k-th Powers
|
0 / 0 |
CTSC
|
|
|
6147 |
P623A Graph and String
|
0 / 0 |
普及
|
|
|
6146 |
P623B Array GCD
|
0 / 0 |
省选
|
|
|
6145 |
P623C Electric Charges
|
0 / 0 |
CTSC
|
|
|
6144 |
P623D Birthday
|
0 / 0 |
CTSC
|
|
|
6143 |
P623E Transforming Sequence
|
0 / 0 |
CTSC
|
|
|
6142 |
P624A Save Luke
|
0 / 0 |
普及-
|
|
|
6141 |
P624B Making a String
|
0 / 0 |
普及-
|
|
|
6140 |
P625A Guest From the Past
|
0 / 0 |
普及
|
|
|
6139 |
P625B War of the Corporations
|
0 / 0 |
普及-
|
|
|
6138 |
P625C K-special Tables
|
0 / 0 |
普及-
|
|
|
6137 |
P625D Finals in arithmetic
|
0 / 0 |
NOI
|
|
|
6136 |
P625E Frog Fights
|
0 / 0 |
CTSC
|
|
|
6135 |
P626A Robot Sequence
|
0 / 0 |
普及-
|
|
|
6134 |
P626B Cards
|
0 / 0 |
普及-
|
|
|
6133 |
P626C Block Towers
|
0 / 0 |
普及
|
|
|
6132 |
P626D Jerry's Protest
|
0 / 0 |
普及
|
|
|
6131 |
P626E Simple Skewness
|
0 / 0 |
NOI
|
|
|
6130 |
P626F Group Projects
|
0 / 0 |
NOI
|
|
|
6129 |
P626G Raffles
|
0 / 0 |
CTSC
|
|
|
6128 |
P627A XOR Equation
|
0 / 0 |
普及
|
|
|
6127 |
P627B Factory Repairs
|
0 / 0 |
普及
|
|
|
6126 |
P627C Package Delivery
|
0 / 0 |
省选
|
|
|
6125 |
P627D Preorder Test
|
0 / 0 |
CTSC
|
|
|
6124 |
P627E Orchestra
|
0 / 0 |
CTSC
|
|
|
6123 |
P627F Island Puzzle
|
0 / 0 |
CTSC
|
|
|
6122 |
P628A Tennis Tournament
|
0 / 0 |
普及-
|
|
|
6121 |
P628B New Skateboard
|
0 / 0 |
普及-
|
|
|
6120 |
P628C Bear and String Distance
|
0 / 0 |
普及-
|
|
|
6119 |
P628D Magic Numbers
|
0 / 0 |
省选
|
|
|
6118 |
P628E Zbazi in Zeydabad
|
0 / 0 |
省选
|
|
|
6117 |
P628F Bear and Fair Set
|
0 / 0 |
NOI
|
|
|
6116 |
P629A Far Relative’s Birthday Cake
|
0 / 0 |
普及-
|
|
|
6115 |
P629B Far Relative’s Problem
|
0 / 0 |
普及-
|
|
|
6114 |
P629C Famil Door and Brackets
|
0 / 0 |
提高
|
|
|
6113 |
P629D Babaei and Birthday Cake
|
0 / 0 |
提高
|
|
|
6112 |
P629E Famil Door and Roads
|
0 / 0 |
省选
|
|
|
6111 |
P630A Again Twenty Five!
|
0 / 0 |
普及-
|
|
|
6110 |
P630B Moore's Law
|
0 / 0 |
普及-
|
|
|
6109 |
P630C Lucky Numbers
|
0 / 0 |
普及-
|
|
|
6108 |
P630D Hexagons!
|
0 / 0 |
普及-
|
|
|
6107 |
P630E A rectangle
|
0 / 0 |
普及
|
|
|
6106 |
P630F Selection of Personnel
|
0 / 0 |
普及-
|
|
|
6105 |
P630G Challenge Pennants
|
0 / 0 |
普及
|
|
|
6104 |
P630H Benches
|
0 / 0 |
普及-
|
|
|
6103 |
P630I Parking Lot
|
0 / 0 |
普及
|
|
|
6102 |
P630J Divisibility
|
0 / 0 |
普及-
|
|
|
6101 |
P630K Indivisibility
|
0 / 0 |
普及
|
|
|
6100 |
P630L Cracking the Code
|
0 / 0 |
普及-
|
|
|
6099 |
P630M Turn
|
0 / 0 |
普及
|
|
|
6098 |
P630N Forecast
|
0 / 0 |
普及-
|
|
|
6097 |
P630O Arrow
|
0 / 0 |
提高
|
|
|
6096 |
P630P Area of a Star
|
0 / 0 |
提高
|
|
|
6095 |
P630Q Pyramids
|
0 / 0 |
普及
|
|
|
6094 |
P630R Game
|
0 / 0 |
普及-
|
|
|
6093 |
P631A Interview
|
0 / 0 |
普及-
|
|
|
6092 |
P631B Print Check
|
0 / 0 |
普及-
|
|
|
6091 |
P631C Report
|
0 / 0 |
普及
|
|
|
6090 |
P631D Messenger
|
0 / 0 |
提高
|
