Lv3_하노이의탑

Author: wh2per

Programmers/Lv3/Lv3_하노이의탑.cpp

@@ -0,0 +1,77 @@
+#include <string>
+#include <vector>
+#include <stack>
+using namespace std;
+
+vector<vector<int>> answer102;
+void hanoi(int n, int from, int by, int to)			// 1.재귀함수 이용
+{
+	if (n == 1)
+	{
+		vector<int> v;			
+		v.push_back(from);
+		v.push_back(to);
+		answer102.push_back(v);
+		return;
+	}
+
+	hanoi(n - 1, from, to, by); // n-1 개의 원판을 1에서 3을 이용하여 2로 옮긴다.
+	vector<int> v;
+	v.push_back(from);
+	v.push_back(to);
+	answer102.push_back(v);
+	hanoi(n - 1, by, from, to); // n-1개의 원판을 2에서 1을 이용하여 3으로 옮긴다.
+}
+
+vector<vector<int>> solution102(int n) {
+	//hanoi(n, 1, 2, 3);
+	stack<int> s;							// 2. 비재귀 
+	int from = 1;
+	int by = 2;
+	int to = 3;
+	while (1){
+        while (n > 1){
+            s.push(to);    // 인자리스트 푸쉬
+            s.push(by);
+            s.push(from);
+            s.push(n);
+            n--;        // 인자리스트 변경 1
+            s.push(to);    // to 와 by를 교환하기 위해 임시로 저장
+            to = by;
+            by = s.top();
+			s.pop();
+        }
+
+		vector<int> v;
+		v.push_back(from);
+		v.push_back(to);
+		answer102.push_back(v);
+
+        if (!s.empty()){
+            n = s.top();
+			s.pop();
+            from = s.top();
+			s.pop();
+            by = s.top();
+			s.pop();
+            to = s.top();
+			s.pop();
+
+			vector<int> v;
+			v.push_back(from);
+			v.push_back(to);
+			answer102.push_back(v);
+
+            n--;        // 인자리스트 변경 2
+            s.push(from);
+            from = by;
+            by = s.top();
+			s.pop();
+        }
+        else{
+            break;
+        }
+    }
+
+	return answer102;
+}

Programmers/Programmers.vcxproj

@@ -104,6 +104,7 @@
     <ClCompile Include="Lv3\Lv3_등굣길.cpp" />
     <ClCompile Include="Lv3\Lv3_디스크컨트롤러.cpp" />
     <ClCompile Include="Lv3\Lv3_방문길이.cpp" />
+    <ClCompile Include="Lv3\Lv3_배달.cpp" />
     <ClCompile Include="Lv3\Lv3_베스트앨범.cpp" />
     <ClCompile Include="Lv3\Lv3_보행자천국.cpp" />
     <ClCompile Include="Lv3\Lv3_브라이언의고민.cpp" />
@@ -115,9 +116,11 @@
     <ClCompile Include="Lv3\Lv3_입국심사.cpp" />
     <ClCompile Include="Lv3\Lv3_저울.cpp" />
     <ClCompile Include="Lv3\Lv3_정수삼각형.cpp" />
+    <ClCompile Include="Lv3\Lv3_줄서는방법.cpp" />
     <ClCompile Include="Lv3\Lv3_짝지어제거하기.cpp" />
     <ClCompile Include="Lv3\Lv3_카카오프렌즈컬러링북.cpp" />
     <ClCompile Include="Lv3\Lv3_타일장식물.cpp" />
+    <ClCompile Include="Lv3\Lv3_하노이의탑.cpp" />
     <ClCompile Include="Lv4\Lv4_카드게임.cpp" />
     <ClCompile Include="실전모의고사2회\배열회전.cpp" />
     <ClCompile Include="실전모의고사2회\가로등.cpp" />

Programmers/Programmers.vcxproj.filters

@@ -324,5 +324,14 @@
     <ClCompile Include="Lv3\Lv3_방문길이.cpp">
       <Filter>소스 파일</Filter>
     </ClCompile>
+    <ClCompile Include="Lv3\Lv3_줄서는방법.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
+    <ClCompile Include="Lv3\Lv3_하노이의탑.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
+    <ClCompile Include="Lv3\Lv3_배달.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>