diff --git a/three-coins/PROBLEM b/three-coins/PROBLEM
index b28eab9..e2af510 100644
--- a/three-coins/PROBLEM
+++ b/three-coins/PROBLEM
@@ -3,7 +3,7 @@
 pid='three-coins'
 
 problem(
-  time_limit=1.0,
+  time_limit=2.0,
   id=pid,
   title="Three Coins",
 )
diff --git a/three-coins/README.md b/three-coins/README.md
index 91ea548..350581d 100644
--- a/three-coins/README.md
+++ b/three-coins/README.md
@@ -25,8 +25,8 @@
 この問題には部分点が設定されている。
 以下の条件を満たすテストケースすべてに正解した場合、記載された点数が得られる。
 
-- (1 点) $N \le 200$
-- (99 点) 追加の制約はない。
+- (10 点) $N \le 200$
+- (90 点) 追加の制約はない。
 
 ## 入力
 
diff --git a/three-coins/sol-cpp-partial1/SOLUTION b/three-coins/sol-cpp-partial1/SOLUTION
index 3d21a58..564933b 100644
--- a/three-coins/sol-cpp-partial1/SOLUTION
+++ b/three-coins/sol-cpp-partial1/SOLUTION
@@ -1,3 +1,3 @@
 # -*- coding: utf-8; mode: python -*-
 cxx_solution(src='main.cc', flags=["-std=c++2a", "-O2"], challenge_cases=["*_all.in"])
-expected_score(1)
+expected_score(10)
diff --git a/three-coins/sol-cpy-partial1/SOLUTION b/three-coins/sol-cpy-partial1/SOLUTION
index 1a0b9ad..026dd9a 100644
--- a/three-coins/sol-cpy-partial1/SOLUTION
+++ b/three-coins/sol-cpy-partial1/SOLUTION
@@ -1,3 +1,3 @@
 # -*- coding: utf-8; mode: python -*-
 script_solution(src='main.py', challenge_cases=["*_all.in"])
-expected_score(1)
+expected_score(10)
diff --git a/three-coins/sol-pypy-partial1/SOLUTION b/three-coins/sol-pypy-partial1/SOLUTION
index 1a0b9ad..026dd9a 100644
--- a/three-coins/sol-pypy-partial1/SOLUTION
+++ b/three-coins/sol-pypy-partial1/SOLUTION
@@ -1,3 +1,3 @@
 # -*- coding: utf-8; mode: python -*-
 script_solution(src='main.py', challenge_cases=["*_all.in"])
-expected_score(1)
+expected_score(10)
diff --git a/three-coins/tests/TESTSET b/three-coins/tests/TESTSET
index b272d8c..8ebe20b 100644
--- a/three-coins/tests/TESTSET
+++ b/three-coins/tests/TESTSET
@@ -2,5 +2,5 @@
 cxx_validator(src='validator.cc', dependency=['testlib.h'], flags=["-std=c++2a", "-O2"])
 cxx_judge(src='judge.cc', dependency=['testlib.h'], variant=testlib_judge_runner, flags=["-std=c++2a", "-O2"])
 id='three-coins'
-subtask_testset(name='Task 1', score=1, input_patterns=['*_task1.in'])
-subtask_testset(name='All', score=99, input_patterns=['*_all.in'])
+subtask_testset(name='Task 1', score=10, input_patterns=['*_task1.in'])
+subtask_testset(name='All', score=90, input_patterns=['*_all.in'])