Lv3_거스름돈

Author: wh2per

Programmers/Lv3/Lv3_거스름돈.cpp

@@ -0,0 +1,21 @@
+#include <string>
+#include <vector>
+
+using namespace std;
+
+// 그냥 BFS는 시간초과
+// DP를 사용하자!
+int solution99(int n, vector<int> money) {
+	int MOD = 1000000007;
+	int answer = 0;
+	vector<int> d(n + 1, 0);
+	d[0] = 1;
+
+	for (int i = 0; i < money.size(); i++) {
+		for (int j = money[i]; j <= n ; j++) {
+			d[j] = d[j] + d[j - money[i]] % MOD;
+		}
+	}
+
+	return d[n];
+}

Programmers/Programmers.vcxproj

@@ -97,6 +97,7 @@
     <ClCompile Include="Lv3\Lv3_4단고음.cpp" />
     <ClCompile Include="Lv3\Lv3_가장긴펠린드롬.cpp" />
     <ClCompile Include="Lv3\Lv3_가장먼노드.cpp" />
+    <ClCompile Include="Lv3\Lv3_거스름돈.cpp" />
     <ClCompile Include="Lv3\Lv3_네트워크.cpp" />
     <ClCompile Include="Lv3\Lv3_단속카메라.cpp" />
     <ClCompile Include="Lv3\Lv3_단어변환.cpp" />

Programmers/Programmers.vcxproj.filters

@@ -318,5 +318,8 @@
     <ClCompile Include="Lv3\Lv3_가장긴펠린드롬.cpp">
       <Filter>소스 파일</Filter>
     </ClCompile>
+    <ClCompile Include="Lv3\Lv3_거스름돈.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>