diff --git a/crystal/crystal.cpp b/crystal/crystal.cpp
index 69c0c09..a2e45cf 100644
--- a/crystal/crystal.cpp
+++ b/crystal/crystal.cpp
@@ -42,5 +42,5 @@ int main() {
 /*
 g++ crystal/crystal.cpp -o crystal/crystal -std=c++14 -O2 -static -Wall && cp crystal/crystal ~ && chmod +x ~/crystal && ~/crystal
 O(n log n)
-45pts
+100pts
 */
\ No newline at end of file
diff --git a/migrate/migrate.cpp b/migrate/migrate.cpp
index e69de29..3fbcd53 100644
--- a/migrate/migrate.cpp
+++ b/migrate/migrate.cpp
@@ -0,0 +1,12 @@
+#include<bits/stdc++.h>
+using namespace std;
+int c, t;
+int main() {
+    freopen("migrate.in", "r", stdin);
+    freopen("migrate.out", "w", stdout);
+    scanf("%d%d", &c, &t);
+    return 0;
+}
+/*
+g++ migrate/migrate.cpp -o migrate/migrate -std=c++14 -O2 -static -Wall && cp migrate/migrate ~ && chmod +x ~/migrate && ~/migrate
+*/
\ No newline at end of file
diff --git a/subway/gen.cpp b/subway/gen.cpp
new file mode 100644
index 0000000..74dd047
--- /dev/null
+++ b/subway/gen.cpp
@@ -0,0 +1,5 @@
+#include<bits/stdc++.h>
+using namespace std;
+int main() {
+    return 0;
+}
\ No newline at end of file
diff --git a/subway/subway.cpp b/subway/subway.cpp
index 5c2e2dc..26e83ce 100644
--- a/subway/subway.cpp
+++ b/subway/subway.cpp
@@ -59,7 +59,7 @@ int main() {
     return 0;
 }
 /*
-1-15
+1-15 60pts
 g++ subway/subway.cpp -o subway/subway -std=c++14 -O2 -static -Wall && cp subway/subway ~ && chmod +x ~/subway && ~/subway
 
 500 条线路各视为图上的一个点,分别和地铁站连线