create dev channel

zeta/py/completed/1932.py

@@ -0,0 +1,11 @@
+N = int(input())
+
+I = [list(map(int, input().split())) for i in range(N)]
+T = [[0 for _ in range(i + 1)] for i in range(N)]
+T[0][0] = I[0][0]
+
+for i in range(1, N):
+    for j in range(i + 1):
+        T[i][j] = max([T[i - 1][j - 1] if j > 0 else 0, T[i - 1][j] if i > j else 0]) + I[i][j]
+
+print(max(T[-1]))