Lv3_등굣길

Author: wh2per

Programmers/Lv3/Lv3_등굣길.cpp

@@ -0,0 +1,23 @@
+#include <string>
+#include <vector>
+#include <iostream>
+using namespace std;
+
+int solution84(int m, int n, vector<vector<int>> puddles) {
+	int road[101][101] = { 0, };
+	int check[101][101] = { 0, };
+
+	for (int i = 0; i < puddles.size(); i++)			// ¹°Àº 0
+		check[puddles[i][1]][puddles[i][0]] = -1;
+
+	road[1][0] = 1;
+	for (int i = 1; i <= n; i++) {
+		for (int j = 1; j <= m; j++) {
+			if (check[i][j] == -1)						// ¹°
+				road[i][j] = 0;
+			else										// ¶¥
+				road[i][j] = (road[i][j - 1] + road[i - 1][j]) % 1000000007;
+		}
+	}
+	return road[n][m];
+}

Programmers/Lv3/Lv3_정수삼각형.cpp

@@ -28,8 +28,3 @@ int solution83(vector<vector<int>> triangle) {
 	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

@@ -95,6 +95,7 @@
     <ClCompile Include="Lv2\Lv2_행렬의곱셈.cpp" />
     <ClCompile Include="Lv3\Lv3_2xn타일링.cpp" />
     <ClCompile Include="Lv3\Lv3_단속카메라.cpp" />
+    <ClCompile Include="Lv3\Lv3_등굣길.cpp" />
     <ClCompile Include="Lv3\Lv3_디스크컨트롤러.cpp" />
     <ClCompile Include="Lv3\Lv3_베스트앨범.cpp" />
     <ClCompile Include="Lv3\Lv3_섬연결하기.cpp" />

Programmers/Programmers.vcxproj.filters

@@ -264,5 +264,8 @@
     <ClCompile Include="Lv3\Lv3_정수삼각형.cpp">
       <Filter>소스 파일</Filter>
     </ClCompile>
+    <ClCompile Include="Lv3\Lv3_등굣길.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>