complete 1654.py

zeta_python/completed/1654.py

@@ -0,0 +1,25 @@
+import sys
+
+input = sys.stdin.readline
+
+
+def solve(K, N, E):
+    before = 1
+    head = max(E)
+    mid = (head + before) // 2
+    # do
+    S = sum(e // mid for e in E)
+    while before <= head:
+        if S >= N:
+            before = mid + 1
+        else:
+            head = mid - 1
+        mid = (before + head) // 2
+        S = sum(e // mid for e in E)
+    return mid
+
+
+if __name__ == '__main__':
+    K, N = map(int, input().split())
+    E = [int(input()) for _ in range(K)]
+    print(solve(K, N, E))