1712

zeta_python/completed/10844.py

@@ -0,0 +1,20 @@
+N = int(input())
+
+Mem = [[0] * 10 for i in range(100)]
+
+
+def I(l, k):
+    if 0 <= k <= 9:
+        if l == 1:
+            return 1
+        elif Mem[l-1][k] != 0:
+            return Mem[l-1][k]
+        else:
+            temp = (I(l - 1, k - 1) + I(l - 1, k + 1)) % 1000000000
+            Mem[l-1][k] = temp
+            return temp
+    else:
+        return 0
+
+
+print(sum(I(N, i) for i in range(1, 10)) % 1000000000)

zeta_python/completed/1712.py

@@ -0,0 +1,2 @@
+a,b,c = map(int, input().split())
+print(int(a/(c-b)+1)) if c-b>0 else print(-1)

zeta_python/completed/2780.py

@@ -0,0 +1,38 @@
+Mem = [[0] * 10 for i in range(1000)]
+
+
+def I(l, k):
+    if l == 1:
+        return 1
+    else:
+        if Mem[l - 1][k] != 0:
+            return Mem[l - 1][k]
+        if k == 1:
+            temp = (I(l - 1, 2) + I(l - 1, 4)) % 1234567
+        elif k == 2:
+            temp = (I(l - 1, 1) + I(l - 1, 3) + I(l - 1, 5)) % 1234567
+        elif k == 3:
+            temp = (I(l - 1, 2) + I(l - 1, 6)) % 1234567
+        elif k == 4:
+            temp = (I(l - 1, 1) + I(l - 1, 5) + I(l - 1, 7)) % 1234567
+        elif k == 5:
+            temp = (I(l - 1, 2) + I(l - 1, 4) + I(l - 1, 6) + I(l - 1, 8)) % 1234567
+        elif k == 6:
+            temp = (I(l - 1, 3) + I(l - 1, 5) + I(l - 1, 9)) % 1234567
+        elif k == 7:
+            temp = (I(l - 1, 4) + I(l - 1, 8) + I(l - 1, 0)) % 1234567
+        elif k == 8:
+            temp = (I(l - 1, 5) + I(l - 1, 7) + I(l - 1, 9)) % 1234567
+        elif k == 9:
+            temp = (I(l - 1, 6) + I(l - 1, 8)) % 1234567
+        elif k == 0:
+            temp = (I(l - 1, 7)) % 1234567
+        Mem[l - 1][k] = temp
+        return temp
+
+
+T = int(input())
+Ns = [int(input()) for i in range(T)]
+
+for n in Ns:
+    print(sum(I(n, i) for i in range(10))%1234567)