diff --git a/[语言月赛 202502] 蛋挞烤制.cpp b/Luogu/B4142_[语言月赛 202502] 蛋挞烤制.cpp
similarity index 100%
rename from [语言月赛 202502] 蛋挞烤制.cpp
rename to Luogu/B4142_[语言月赛 202502] 蛋挞烤制.cpp
diff --git a/[语言月赛 202502] 地铁环线.cpp b/Luogu/B4143_[语言月赛 202502] 地铁环线.cpp
similarity index 100%
rename from [语言月赛 202502] 地铁环线.cpp
rename to Luogu/B4143_[语言月赛 202502] 地铁环线.cpp
diff --git a/[语言月赛 202502] 随机数.cpp b/Luogu/B4144_[语言月赛 202502] 随机数.cpp
similarity index 100%
rename from [语言月赛 202502] 随机数.cpp
rename to Luogu/B4144_[语言月赛 202502] 随机数.cpp
diff --git a/[语言月赛 202502] 披萨订单.cpp b/Luogu/B4145_[语言月赛 202502] 披萨订单.cpp
similarity index 100%
rename from [语言月赛 202502] 披萨订单.cpp
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diff --git a/[语言月赛 202502] 本俗妙手不如举手.cpp b/Luogu/B4146_[语言月赛 202502] 本俗妙手不如举手.cpp
similarity index 100%
rename from [语言月赛 202502] 本俗妙手不如举手.cpp
rename to Luogu/B4146_[语言月赛 202502] 本俗妙手不如举手.cpp