diff --git a/problems/programmers/others/p43105/main.cpp b/problems/programmers/others/p43105/main.cpp
new file mode 100644
index 0000000..d0ee02d
--- /dev/null
+++ b/problems/programmers/others/p43105/main.cpp
@@ -0,0 +1,64 @@
+/*
+ * (43105) 정수 삼각형
+ * https://school.programmers.co.kr/learn/courses/30/lessons/43105
+ */
+
+#include <iostream>
+
+#include <string>
+#include <vector>
+
+using namespace std;
+
+int solution(vector<vector<int>> triangles) {
+  int H = triangles.size();
+
+  // 밑에서 부터 위로 올라가면서 가장 큰 값만 남김
+  for (int y = H - 1; y > 0; --y) {
+    for (int x = 0; x < y; ++x) {
+      if (triangles[y][x] < triangles[y][x + 1]) {
+        triangles[y-1][x] += triangles[y][x + 1];
+      } else {
+        triangles[y-1][x] += triangles[y][x];
+      }
+    }
+  }
+
+  return triangles[0][0];
+}
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+  cout.tie(NULL);
+
+  /*
+   * 테스트 케이스가 입력됨.
+   *
+   * 각 테스트에 대해서 첫번째 줄에 높이가 입력되고 다음 줄부터 높이 개수까지
+   * 삼각형 정보가 띄어쓰기 기준으로 입력됨
+   */
+
+  int test_count;
+  cin >> test_count;
+
+  for (int test_case = 1; test_case <= test_count; ++test_case) {
+    int height;
+    cin >> height;
+
+    vector<vector<int>> triangles(height);
+
+    for (int h = 0; h < height; ++h) {
+      triangles[h].resize(h + 1);
+
+      for (int i = 0; i < h + 1; ++i) {
+        cin >> triangles[h][i];
+      }
+    }
+
+    auto answer = solution(triangles);
+    cout << "#" << test_case << " " << answer << "\n";
+  }
+
+  return 0;
+}