From a95bc055e590dd14c219b87631687365c65623cf Mon Sep 17 00:00:00 2001
From: sh0723 <pshpark12345@naver.com>
Date: Wed, 27 May 2026 16:24:37 +0900
Subject: [PATCH] =?UTF-8?q?4659=20:=20=EB=B9=84=EB=B0=80=EB=B2=88=ED=98=B8?=
 =?UTF-8?q?=20=EB=B0=9C=EC=9D=8C=ED=95=98=EA=B8=B0=20solve?=
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---
 src/week2/BOJ4659/BOJ4659_V1.cpp | 57 ++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/week2/BOJ4659/BOJ4659_V1.cpp

diff --git a/src/week2/BOJ4659/BOJ4659_V1.cpp b/src/week2/BOJ4659/BOJ4659_V1.cpp
new file mode 100644
index 0000000..5b2714c
--- /dev/null
+++ b/src/week2/BOJ4659/BOJ4659_V1.cpp
@@ -0,0 +1,57 @@
+#include <bits/stdc++.h>
+using namespace std;
+unordered_set<char> vowels = {'a', 'e', 'i', 'o', 'u'};
+bool check(string s) {
+    int vowels_cnt = 0;
+    int consonant_cnt = 0;
+    bool flag = true;
+    if (vowels.find(s[0]) != vowels.end() && s.size() == 1) {
+        return true;
+    }
+
+    if (vowels.find(s[0]) != vowels.end()) {
+        vowels_cnt++;
+        flag = false;
+    } else {
+        consonant_cnt++;
+    }
+    char before_c = s[0];
+    for (int i = 1; i < s.length(); i++) {
+        if (before_c == s[i] && !(s[i] == 'e' || s[i] == 'o')) return false;
+
+        if (vowels.find(s[i]) == vowels.end()) {
+            consonant_cnt++;
+            if (consonant_cnt == 3) return false;
+            vowels_cnt = 0;
+        } else {
+            vowels_cnt++;
+            if (vowels_cnt == 3) return false;
+            consonant_cnt = 0;
+            flag = false;
+        }
+        before_c = s[i];
+    }
+
+    if (flag) return false;
+
+    return true;
+}
+int main() {
+    ios_base::sync_with_stdio(false);
+
+
+
+    while(true) {
+        string s;
+        cin >> s;
+        if (s == "end") break;
+        if (check(s)) {
+            cout << "<" << s << "> " << "is acceptable.\n";
+        } else {
+            cout << "<" << s << "> " << "is not acceptable.\n";
+        }
+    }
+
+
+    return 0;
+}
\ No newline at end of file