A TIMELINE OF THOUGHTS

一路写来.

时间向前，文字留下。这里收藏了 97 个小小的切片。

2026

2 篇文章

[ASTRA] 合数模下的区间线性基：带时间标记的 p-进阶梯表

Zachary‘s Mindscape 序言

2025

17 篇文章

CF1666K Kingdom Partition 题解

P7156 [USACO20DEC] Cowmistry P 题解

P3590 [POI 2015 R2] 三座塔 Three towers 题解

AT_agc020_d [AGC020D] Min Max Repetition 题解

LMCC

P14311 【MX-S8-T4】平衡三元组题解

P14310 【MX-S8-T3】图排列题解

P14309 【MX-S8-T2】配对题解

AT_agc034_f [AGC034F] RNG and XOR 题解

在雨中开始，又在雨中结束。

P8499 [NOI2022] 挑战 NPC Ⅱ 题解

SCCPC2025 E - Competition Graph 竞赛图单log题解

CF2101D Mani and Segments 题解

P6597 烯烃计数题解

P6598 烷烃计数题解

AT_abc390_f [ABC390F] Double Sum 3 点边容斥做法题解

P5108 仰望半月的夜空使用 Lyndon 分解做到严格 O(n)

2024

23 篇文章

P4727 [HNOI2009] 图的同构计数和 P4128 [SHOI2006] 有色图题解

P5282 【模板】快速阶乘算法题解

AT_nikkei2019_qual_f Jewels 题解

CF1396C Monster Invaders 题解

CF850F Rainbow Balls 题解

CF838C Future Failure 题解

P4727 [HNOI2009] 图的同构计数和 P4128 [SHOI2006] 有色图题解

P7862 [COCI2015-2016#2] DRŽAVA 题解

AT_arc072_c [ARC072E] Alice in linear land 题解

CF645G Armistice Area Apportionment 题解

AT_abc313_g [ABC313G] Redistribution of Piles 题解

CF273E Dima and Game 题解

CF113D Museum 题解

P5940 [POI1997] 跳题解

AT_abc299_h [ABC299Ex] Dice Sum Infinity 题解

AT_agc050_d [AGC050D] Shopping 题解

AT_abc242_h [ABC242Ex] Random Painting 题解

CF1761D Carry Bit 题解

P5493 质数前缀统计题解

CF1918E 有个人交互题输出不换行

AT_abc337_f ABC337F] Usual Color Ball Problems

CF1925D Good Trip 题解

退役前要做的 100 件事

2023

48 篇文章

P5295 [北京省选集训2019] 图的难题题解

P9982 [USACO23DEC] Haybale Distribution G 题解

P9981 [USACO23DEC] Minimum Longest Trip G 题解

P9980 [USACO23DEC] Flight Routes G 题解

P9979 [USACO23DEC] Target Practice S 题解

P9978 [USACO23DEC] Cycle Correspondence S 题解

P9977 [USACO23DEC] Bovine Acrobatics S 题解

P9976 [USACO23DEC] Farmer John Actually Farms B 题解

USACODEC B&S&G Translation & Solutions

THUPC 2024 游记

P8264 [Ynoi Easy Round 2020] TEST_100 题解

CF1902F Trees and XOR Queries Again 题解

P9466 [EGOI2023] Bikes vs Cars / 骑车与汽车题解

[CWOI] C0384 1104B C继承类题解

P9755 [CSP-S 2023] 种树卡常题解

tarjan备忘录

CF1009E Intercity Travelling 题解

AT_abc321_g [ABC321G] Electric Circuit 题解

[ABC322G] Two Kinds of Base 题解

[ABC321F] #(subset sum = K) with Add and Erase 题解

CF1852C Ina of the Mountain 题解

P7913 [CSP-S 2021] 廊桥分配题解

P7077 [CSP-S2020] 函数调用题解

[ABC320F] Fuel Round Trip 题解

关于洛谷博客

CF1819B The Butcher 题解

AT_abc318_e [ABC318E] Sandwiches 提供一种神经病做法 - 竞赛图三元环技术

CF1824B1 LuoTianyi and the Floating Islands (Easy Version) 题解

P9584 城市题解

CF1208F Bits And Pieces 题解

CF1270I Xor on Figures 题解

AT_abc315_d [ABC315D] Magical Cookies 题解

P3349 [ZJOI2016] 小星星题解 - 容斥学习

Baekjoon-8049 The Labyrinth of Wells 题解

CF449B Jzzhu and Cities 题解

CF677D Vanya and Treasure题解

CW集训0717题解

SP4195 MSE08H - GCD Determinant

CF226E Noble Knight's Path 题解

CW集训游记

实外回忆录

树状数组 BIT 总结

斜率优化总结附1：题目浅析

斜率优化总结附2：WQS二分简述

斜率优化总结

P8964 梦幻 | Reopening of Dream 题解

P8965 坠梦 | Falling into Dream 题解

WC 2023游记

2022

7 篇文章

P8894 「UOI-R1」求和题解

P4247 [清华集训2012]序列操作题解

COVID-19抗原阳性日记

temp

P8818 题解-献给第一次CSP-S

CSP-S-2022游“寄”

课题-图论之最短路径