complete 1463, 1931, 2156, 11053

zeta_python/completed/11053.py

@@ -0,0 +1,15 @@
+N = int(input())
+A = list(map(int, input().split()))
+
+T = [0 for _ in range(N)]
+T[0] = 1
+
+for i in range(1, N):
+    t = []
+    for j in range(i):
+        if A[j] < A[i]:
+            t.append(T[j] + 1)
+    else:
+        t.append(1)
+    T[i] = max(t)
+print(max(T))

zeta_python/completed/1463.py

@@ -0,0 +1,15 @@
+N = int(input())
+
+T = [0, ]
+
+for i in range(1, N):
+    new = i + 1
+    t = []
+    if new % 3 == 0:
+        t.append(T[new // 3 - 1] + 1)
+    if new % 2 == 0:
+        t.append(T[new // 2 - 1] + 1)
+    t.append(T[new - 1 - 1] + 1)
+    T.append(min(t))
+
+print(T[-1])

zeta_python/completed/1931.py

@@ -0,0 +1,13 @@
+N = int(input())
+I = [tuple(map(int, input().split())) for _ in range(N)]
+
+I.sort(key=lambda x: (x[1], x[0]))
+
+last = 0
+cnt = 0
+for i in range(N):
+    if last <= I[i][0]:
+        last = I[i][1]
+        cnt += 1
+
+print(cnt)

zeta_python/completed/2156.py

@@ -0,0 +1,15 @@
+N = int(input())
+I = [int(input()) for i in range(N)]
+
+T = [[0 for _ in range(3)] for _ in range(N)]
+
+T[0][0] = 0
+T[0][1] = I[0]
+T[0][2] = 0
+
+for i in range(1, N):
+    T[i][0] = max((T[i-1][0], T[i - 1][1], T[i - 1][2]))
+    T[i][1] = T[i - 1][0] + I[i]
+    T[i][2] = T[i - 1][1] + I[i]
+
+print(max(T[-1]))