add ABC180

Author: IsHYuhi

ABC/ABC180/D.py

@@ -0,0 +1,27 @@
+x, y, a, b = map(int, input().split())
+ans = 0
+a_s = [x]
+
+i = 1
+count = -1
+less_count = 0
+
+while i <= 61 and a_s[-1]<y:
+    less_count = i-1
+    a_s.append(a_s[i-1]*a)
+
+    if a_s[-1]-a_s[-2]>b:
+        count = i-1
+        break
+    i += 1
+
+if count == -1:
+    count = less_count
+
+ans += count
+x = x*(a**count)
+
+if x+b<y:
+    ans += (y-x-1)//b
+
+print(ans)

README.md

@@ -8,7 +8,7 @@ AtCoderの問題をpython3で解いたものになります。AC確認は行っ
 ## [AtCoder Beginner Contest](ABC)
 | Problem A | Problem B | Problem C | Problem D | Problem E | Problem F |
 |:---:|:---:|:---:|:---:|:---:|:---:|
-|179/179  <img align="center" src="https://img.shields.io/badge/Completed!-green?style=for-the-badge"/>|179/179  <img align="center" src="https://img.shields.io/badge/Completed!-green?style=for-the-badge"/>|145/179|29/173|4/54|0/54|
+|180/180  <img align="center" src="https://img.shields.io/badge/Completed!-green?style=for-the-badge"/>|180/180  <img align="center" src="https://img.shields.io/badge/Completed!-green?style=for-the-badge"/>|146/180|30/174|4/55|0/55|
 
 
 ### ABC001 - ABC041
@@ -100,7 +100,7 @@ AtCoderの問題をpython3で解いたものになります。AC確認は行っ
 |[ABC137](ABC/ABC137)|[&check;](ABC/ABC137/A.py)|[&check;](ABC/ABC137/B.py)|[&check;](ABC/ABC137/C.py)|||||[ABC177](ABC/ABC177)|[&check;](ABC/ABC177/A.py)|[&check;](ABC/ABC177/B.py)|[&check;](ABC/ABC177/C.py)|[&check;](ABC/ABC177/D.py)|[&check;](ABC/ABC177/E.py)||
 |[ABC138](ABC/ABC138)|[&check;](ABC/ABC138/A.py)|[&check;](ABC/ABC138/B.py)|[&check;](ABC/ABC138/C.py)|||||[ABC178](ABC/ABC178)|[&check;](ABC/ABC178/A.py)|[&check;](ABC/ABC178/B.py)|[&check;](ABC/ABC178/C.py)|[&check;](ABC/ABC178/D.py)|||
 |[ABC139](ABC/ABC139)|[&check;](ABC/ABC139/A.py)|[&check;](ABC/ABC139/B.py)|[&check;](ABC/ABC139/C.py)|[&check;](ABC/ABC139/D.py)||||[ABC179](ABC/ABC179/)|[&check;](ABC/ABC179/A.py)|[&check;](ABC/ABC179/B.py)|[&check;](ABC/ABC179/C.py)|[&check;](ABC/ABC179/D.py)|||
-|[ABC140](ABC/ABC140)|[&check;](ABC/ABC140/A.py)|[&check;](ABC/ABC140/B.py)|[&check;](ABC/ABC140/C.py)||||
+|[ABC140](ABC/ABC140)|[&check;](ABC/ABC140/A.py)|[&check;](ABC/ABC140/B.py)|[&check;](ABC/ABC140/C.py)|||||[ABC180](ABC/ABC180/)|[&check;](ABC/ABC180/A.py)|[&check;](ABC/ABC180/B.py)|[&check;](ABC/ABC180/C.py)|[&check;](ABC/ABC180/D.py)|||
 |[ABC141](ABC/ABC141)|[&check;](ABC/ABC141/A.py)|[&check;](ABC/ABC141/B.py)|[&check;](ABC/ABC141/C.py)||||
 |[ABC142](ABC/ABC142)|[&check;](ABC/ABC142/A.py)|[&check;](ABC/ABC142/B.py)|[&check;](ABC/ABC142/C.py)||||
 |[ABC143](ABC/ABC143)|[&check;](ABC/ABC143/A.py)|[&check;](ABC/ABC143/B.py)|[&check;](ABC/ABC143/C.py)|[&check;](ABC/ABC143/D.py)|||