NCPC26 initial commit

py/B.py

@@ -0,0 +1,23 @@
+import sys
+
+l = 0
+r = 1001
+m = 500
+temp = m
+
+for i in range(10):
+    print(m)
+    sys.stdout.flush()
+
+    term = input()
+
+    if term == "correct":
+        exit()
+    elif term == "lower":
+        temp = m
+        m = (l + m) // 2
+        r = temp
+    else:
+        temp = m
+        m = (m + r) // 2
+        l = temp