init

9F.py

@@ -0,0 +1,22 @@
+import sys
+
+sys.set_int_max_str_digits(300000)
+
+input_data = sys.stdin.read().split()
+x = int(input_data[0])
+k = int(input_data[1])
+
+if x == 0:
+    print(0)
+elif x == 1:
+    print(1)
+else:
+    y = 1 << ((x.bit_length() + k - 1) // k)
+    
+    while True:
+        next_y = ((k - 1) * y + x // (y ** (k - 1))) // k
+        if next_y >= y:
+            break
+        y = next_y
+        
+    print(y)