|
|
2824 |
P1267K Key Storage
|
0 / 0 |
NOI/NOI+/CTSC |
|
|
2823 |
P1267L Lexicography
|
0 / 0 |
省选/NOI- |
|
|
2822 |
P1268A Long Beautiful Integer
|
0 / 0 |
提高+/省选- |
|
|
2821 |
P1268B Domino for Young
|
0 / 0 |
NOI/NOI+/CTSC |
|
|
2820 |
P1268C K Integers
|
0 / 0 |
8 |
|
|
2819 |
P1268D Invertation in Tournament
|
0 / 0 |
10 |
|
|
2818 |
P1268E Happy Cactus
|
0 / 0 |
10 |
|
|
2817 |
P1269A Equation
|
0 / 0 |
普及/提高- |
|
|
2816 |
P1269B Modulo Equality
|
0 / 0 |
提高+/省选- |
|
|
2815 |
P1270A Card Game
|
0 / 0 |
普及/提高- |
|
|
2814 |
P1270B Interesting Subarray
|
0 / 0 |
普及+/提高 |
|
|
2813 |
P1270C Make Good
|
0 / 0 |
普及+/提高 |
|
|
2812 |
P1270D Strange Device
|
0 / 0 |
省选/NOI- |
|
|
2811 |
P1270E Divide Points
|
0 / 0 |
8 |
|
|
2810 |
P1270F Awesome Substrings
|
0 / 0 |
10 |
|
|
2809 |
P1270G Subset with Zero Sum
|
0 / 0 |
10 |
|
|
2808 |
P1270H Number of Components
|
0 / 0 |
10 |
|
|
2807 |
P1270I Xor on Figures
|
0 / 0 |
10 |
|
|
2806 |
P1271A Suits
|
0 / 0 |
普及/提高- |
|
|
2805 |
P1271B Blocks
|
0 / 0 |
普及+/提高 |
|
|
2804 |
P1271C Shawarma Tent
|
0 / 0 |
普及+/提高 |
|
|
2803 |
P1271D Portals
|
0 / 0 |
NOI/NOI+/CTSC |
|
|
2802 |
P1271E Common Number
|
0 / 0 |
NOI/NOI+/CTSC |
|
|
2801 |
P1271F Divide The Students
|
0 / 0 |
10 |
|
|
2800 |
P1272A Three Friends
|
0 / 0 |
普及/提高- |
|
|
2799 |
P1272B Snow Walking Robot
|
0 / 0 |
普及+/提高 |
|
|
2798 |
P1272C Yet Another Broken Keyboard
|
0 / 0 |
普及+/提高 |
|
|
2797 |
P1272D Remove One Element
|
0 / 0 |
提高+/省选- |
|
|
2796 |
P1272E Nearest Opposite Parity
|
0 / 0 |
省选/NOI- |
|
|
2795 |
P1272F Two Bracket Sequences
|
0 / 0 |
8 |
|
|
2794 |
P1276A As Simple as One and Two
|
0 / 0 |
普及+/提高 |
|
|
2793 |
P1276B Two Fairs
|
0 / 0 |
省选/NOI- |
|
|
2792 |
P1276C Beautiful Rectangle
|
0 / 0 |
8 |
|
|
2791 |
P1276D Tree Elimination
|
0 / 0 |
10 |
|
|
2790 |
P1276E Four Stones
|
0 / 0 |
10 |
|
|
2789 |
P1276F Asterisk Substrings
|
0 / 0 |
10 |
|
|
2788 |
P1277A Happy Birthday, Polycarp!
|
0 / 0 |
普及/提高- |
|
|
2787 |
P1277B Make Them Odd
|
0 / 0 |
普及+/提高 |
|
|
2786 |
P1277D Let's Play the Words?
|
0 / 0 |
省选/NOI- |
|
|
2785 |
P1278A Shuffle Hashing
|
0 / 0 |
普及/提高- |
|
|
2784 |
P1278B A and B
|
0 / 0 |
提高+/省选- |
|
|
2783 |
P1278C Berry Jam
|
0 / 0 |
提高+/省选- |
|
|
2782 |
P1278D Segment Tree
|
0 / 0 |
NOI/NOI+/CTSC |
|
|
2781 |
P1278E Tests for problem D
|
0 / 0 |
8 |
|
|
2780 |
P1278F Cards
|
0 / 0 |
10 |
|
|
2779 |
P1279A New Year Garland
|
0 / 0 |
普及/提高- |
|
|
2778 |
P1279B Verse For Santa
|
0 / 0 |
普及+/提高 |
|
|
2777 |
P1279C Stack of Presents
|
0 / 0 |
普及+/提高 |
|
|
2776 |
P1279D Santa's Bot
|
0 / 0 |
提高+/省选- |
|
|
2775 |
P1279E New Year Permutations
|
0 / 0 |
10 |
