Lv3_정수삼각형

Author: wh2per

Programmers/Lv3/Lv3_정수삼각형.cpp

@@ -0,0 +1,35 @@
+#include <string>
+#include <vector>
+#include <algorithm>
+#include <iostream>
+using namespace std;
+
+int solution83(vector<vector<int>> triangle) {
+	int answer = triangle[0][0];
+
+	if(triangle.size()==1)
+		return answer;
+
+	for (int i = 1; i < triangle.size(); i++) {			// 2 ÃþºÎÅÍ
+		for (int j = 0; j <=i; j++) {
+			if (j == 0) 
+				triangle[i][j] += triangle[i - 1][j];
+			else if (j == triangle[i].size()-1) 
+				triangle[i][j] += triangle[i - 1][j-1];
+			else 
+				triangle[i][j] += max(triangle[i - 1][j], triangle[i - 1][j-1]);
+		}
+	}
+
+ 	for (int i = 0; i < triangle.size(); i++) {
+		if (answer < triangle[triangle.size() - 1][triangle.size() - 1 - i])
+			answer = triangle[triangle.size() - 1][triangle.size() - 1 - i];
+	}
+	return answer;
+} 
+
+int main() {
+	vector<vector<int>> triangle = { {7},{3,8},{8, 1, 0},{2, 7, 4, 4},{4, 5, 2, 6, 5} };
+	cout << solution83(triangle);
+	return 0;
+}

Programmers/Programmers.vcxproj

@@ -100,6 +100,7 @@
     <ClCompile Include="Lv3\Lv3_섬연결하기.cpp" />
     <ClCompile Include="Lv3\Lv3_이중우선순위큐.cpp" />
     <ClCompile Include="Lv3\Lv3_저울.cpp" />
+    <ClCompile Include="Lv3\Lv3_정수삼각형.cpp" />
     <ClCompile Include="Lv3\Lv3_타일장식물.cpp" />
   </ItemGroup>
   <PropertyGroup Label="Globals">

Programmers/Programmers.vcxproj.filters

@@ -261,5 +261,8 @@
     <ClCompile Include="Lv3\Lv3_타일장식물.cpp">
       <Filter>소스 파일</Filter>
     </ClCompile>
+    <ClCompile Include="Lv3\Lv3_정수삼각형.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>