|
|
3175 |
P1267K Key Storage
|
0 / 0 |
提高
|
|
|
3174 |
P1267L Lexicography
|
0 / 0 |
普及
|
|
|
3173 |
P1268A Long Beautiful Integer
|
0 / 0 |
普及
|
|
|
3172 |
P1268B Domino for Young
|
0 / 0 |
提高
|
|
|
3171 |
P1268C K Integers
|
0 / 0 |
省选
|
|
|
3170 |
P1268D Invertation in Tournament
|
0 / 0 |
CTSC
|
|
|
3169 |
P1268E Happy Cactus
|
0 / 0 |
CTSC
|
|
|
3168 |
P1269A Equation
|
0 / 0 |
普及-
|
|
|
3167 |
P1269B Modulo Equality
|
0 / 0 |
普及
|
|
|
3166 |
P1270A Card Game
|
0 / 0 |
普及-
|
|
|
3165 |
P1270B Interesting Subarray
|
0 / 0 |
普及-
|
|
|
3164 |
P1270C Make Good
|
0 / 0 |
普及-
|
|
|
3163 |
P1270D Strange Device
|
0 / 0 |
普及
|
|
|
3162 |
P1270E Divide Points
|
0 / 0 |
省选
|
|
|
3161 |
P1270F Awesome Substrings
|
0 / 0 |
CTSC
|
|
|
3160 |
P1270G Subset with Zero Sum
|
0 / 0 |
CTSC
|
|
|
3159 |
P1270H Number of Components
|
0 / 0 |
CTSC
|
|
|
3158 |
P1270I Xor on Figures
|
0 / 0 |
CTSC
|
|
|
3157 |
P1271A Suits
|
0 / 0 |
普及-
|
|
|
3156 |
P1271B Blocks
|
0 / 0 |
普及-
|
|
|
3155 |
P1271C Shawarma Tent
|
0 / 0 |
普及-
|
|
|
3154 |
P1271D Portals
|
0 / 0 |
提高
|
|
|
3153 |
P1271E Common Number
|
0 / 0 |
提高
|
|
|
3152 |
P1271F Divide The Students
|
0 / 0 |
CTSC
|
|
|
3151 |
P1272A Three Friends
|
0 / 0 |
普及-
|
|
|
3150 |
P1272B Snow Walking Robot
|
0 / 0 |
普及-
|
|
|
3149 |
P1272C Yet Another Broken Keyboard
|
0 / 0 |
普及-
|
|
|
3148 |
P1272D Remove One Element
|
0 / 0 |
普及
|
|
|
3147 |
P1272E Nearest Opposite Parity
|
0 / 0 |
普及
|
|
|
3146 |
P1272F Two Bracket Sequences
|
0 / 0 |
省选
|
|
|
3145 |
P1276A As Simple as One and Two
|
0 / 0 |
普及-
|
|
|
3144 |
P1276B Two Fairs
|
0 / 0 |
普及
|
|
|
3143 |
P1276C Beautiful Rectangle
|
0 / 0 |
省选
|
|
|
3142 |
P1276D Tree Elimination
|
0 / 0 |
CTSC
|
|
|
3141 |
P1276E Four Stones
|
0 / 0 |
CTSC
|
|
|
3140 |
P1276F Asterisk Substrings
|
0 / 0 |
CTSC
|
|
|
3139 |
P1277A Happy Birthday, Polycarp!
|
0 / 0 |
普及-
|
|
|
3138 |
P1277B Make Them Odd
|
0 / 0 |
普及-
|
|
|
3137 |
P1277D Let's Play the Words?
|
0 / 0 |
普及
|
|
|
3136 |
P1278A Shuffle Hashing
|
0 / 0 |
普及-
|
|
|
3135 |
P1278B A and B
|
0 / 0 |
普及
|
|
|
3134 |
P1278C Berry Jam
|
0 / 0 |
普及
|
|
|
3133 |
P1278D Segment Tree
|
0 / 0 |
提高
|
|
|
3132 |
P1278E Tests for problem D
|
0 / 0 |
省选
|
|
|
3131 |
P1278F Cards
|
0 / 0 |
CTSC
|
|
|
3130 |
P1279A New Year Garland
|
0 / 0 |
普及-
|
|
|
3129 |
P1279B Verse For Santa
|
0 / 0 |
普及-
|
|
|
3128 |
P1279C Stack of Presents
|
0 / 0 |
普及-
|
|
|
3127 |
P1279D Santa's Bot
|
0 / 0 |
普及
|
|
|
3126 |
P1279E New Year Permutations
|
0 / 0 |
CTSC
|
|
|
3125 |
P1279F New Year and Handle Change
|
0 / 0 |
CTSC
|
|
|
3124 |
P1280A Cut and Paste
|
0 / 0 |
普及
|
|
|
3123 |
P1280B Beingawesomeism
|
0 / 0 |
普及
|
|
|
3122 |
P1280C Jeremy Bearimy
|
0 / 0 |
提高
|
|
|
3121 |
P1280D Miss Punyverse
|
0 / 0 |
NOI
|
|
|
3120 |
P1280E Kirchhoff's Current Loss
|
0 / 0 |
CTSC
|
|
|
3119 |
P1280F Intergalactic Sliding Puzzle
|
0 / 0 |
CTSC
|
|
|
3118 |
P1281A Suffix Three
|
0 / 0 |
普及-
|
|
|
3117 |
P1281B Azamon Web Services
|
0 / 0 |
普及
|
|
|
3116 |
P1282A Temporarily unavailable
|
0 / 0 |
普及-
|
|
|
3115 |
P1282B1 K for the Price of One (Easy Version)
|
0 / 0 |
普及-
|
|
|
3114 |
P1282B2 K for the Price of One (Hard Version)
|
0 / 0 |
普及
|
|
|
3113 |
P1282C Petya and Exam
|
0 / 0 |
普及
|
|
|
3112 |
P1282D Enchanted Artifact
|
0 / 0 |
省选
|
|
|
3111 |
P1282E The Cake Is a Lie
|
0 / 0 |
NOI
|
|
|
3110 |
P1283A Minutes Before the New Year
|
0 / 0 |
普及-
|
|
|
3109 |
P1283B Candies Division
|
0 / 0 |
普及-
|
|
|
3108 |
P1283C Friends and Gifts
|
0 / 0 |
普及
|
|
|
3107 |
P1283D Christmas Trees
|
0 / 0 |
普及
|
|
|
3106 |
P1283E New Year Parties
|
0 / 0 |
普及
|
|
|
3105 |
P1283F DIY Garland
|
0 / 0 |
省选
|
|
|
3104 |
P1284A New Year and Naming
|
0 / 0 |
普及-
|
|
|
3103 |
P1284B New Year and Ascent Sequence
|
0 / 0 |
普及-
|
|
|
3102 |
P1284C New Year and Permutation
|
0 / 0 |
普及
|
|
|
3101 |
P1284D New Year and Conference
|
0 / 0 |
提高
|
|
|
3100 |
P1284E New Year and Castle Construction
|
0 / 0 |
NOI
|
|
|
3099 |
P1284F New Year and Social Network
|
0 / 0 |
CTSC
|
|
|
3098 |
P1284G Seollal
|
0 / 0 |
CTSC
|
|
|
3097 |
P1285A Mezo Playing Zoma
|
0 / 0 |
普及-
|
|
|
3096 |
P1285B Just Eat It!
|
0 / 0 |
普及-
|
|
|
3095 |
P1285C Fadi and LCM
|
0 / 0 |
普及-
|
|
|
3094 |
P1285D Dr
|
0 / 0 |
普及
|
|
|
3093 |
P1285E Delete a Segment
|
0 / 0 |
省选
|
|
|
3092 |
P1285F Classical?
|
0 / 0 |
CTSC
|
|
|
3091 |
P1286A Garland
|
0 / 0 |
普及
|
|
|
3090 |
P1286B Numbers on Tree
|
0 / 0 |
普及
|
|
|
3089 |
P1286C1 Madhouse (Easy version)
|
0 / 0 |
NOI
|
|
|
3088 |
P1286C2 Madhouse (Hard version)
|
0 / 0 |
CTSC
|
|
|
3087 |
P1286D LCC
|
0 / 0 |
CTSC
|
|
|
3086 |
P1286E Fedya the Potter Strikes Back
|
0 / 0 |
CTSC
|
|
|
3085 |
P1286F Harry The Potter
|
0 / 0 |
CTSC
|
|
|
3084 |
P1287A Angry Students
|
0 / 0 |
普及-
|
|
|
3083 |
P1287B Hyperset
|
0 / 0 |
普及
|
|
|
3082 |
P1288A Deadline
|
0 / 0 |
普及-
|
|
|
3081 |
P1288B Yet Another Meme Problem
|
0 / 0 |
普及-
|
|
|
3080 |
P1288C Two Arrays
|
0 / 0 |
普及
|
|
|
3079 |
P1288D Minimax Problem
|
0 / 0 |
提高
|
|
|
3078 |
P1288E Messenger Simulator
|
0 / 0 |
提高
|
|
|
3077 |
P1288F Red-Blue Graph
|
0 / 0 |
CTSC
|
|
|
3076 |
P1290A Mind Control
|
0 / 0 |
普及
|
