ABC135

Author: IsHYuhi

ABC/ABC135/A.py

@@ -0,0 +1,6 @@
+a, b = map(int, input().split())
+
+if (max(a,b)-min(a,b))%2 == 0:
+    print((max(a,b)-min(a,b))//2+min(a,b))
+else:
+    print('IMPOSSIBLE')

ABC/ABC135/B.py

@@ -0,0 +1,19 @@
+from itertools import combinations
+
+n = int(input())
+p = list(map(int, input().split()))
+
+combi = combinations([i for i in range(n)], 2)
+sort = sorted(p)
+
+if sort == p:
+        print('YES')
+        exit()
+
+for i, j in combi:
+    p[i], p[j] = p[j], p[i]
+    if sort == p:
+        print('YES')
+        exit()
+    p[j], p[i] = p[i], p[j]
+print('NO')

ABC/ABC135/C.py

@@ -0,0 +1,12 @@
+n = int(input())
+a = list(map(int, input().split()))
+b = list(map(int, input().split()))
+
+ans = 0
+for i, v in enumerate(b):
+    for j in range(2):
+        m =  min(a[i+j], v)
+        a [i+j] -= m
+        v -= m
+        ans += m
+print(ans)

README.md

@@ -94,7 +94,7 @@ AtCoderの問題をpython3で解いたものになります。AC確認は行っ
 |[ABC132](ABC/ABC132)|[✓](ABC/ABC132/A.py)|[✓](ABC/ABC132/B.py)|[✓](ABC/ABC132/C.py)|||||[ABC172](ABC/ABC172)|[✓](ABC/ABC172/A.py)|[✓](ABC/ABC172/B.py)|||||
 |[ABC133](ABC/ABC133)|[✓](ABC/ABC133/A.py)|[✓](ABC/ABC133/B.py)|[✓](ABC/ABC133/C.py)|||||[ABC173](ABC/ABC173)|[✓](ABC/ABC173/A.py)|[✓](ABC/ABC173/B.py)|[✓](ABC/ABC173/C.py)|[✓](ABC/ABC173/D.py)|||
 |[ABC134](ABC/ABC134)|[✓](ABC/ABC134/A.py)|[✓](ABC/ABC134/B.py)|[✓](ABC/ABC134/C.py)|||||ABC174|||||||
-|ABC135||||||||ABC175|||||||
+|[ABC135](ABC/ABC135)|[✓](ABC/ABC135/A.py)|[✓](ABC/ABC135/B.py)|[✓](ABC/ABC135/C.py)|||||ABC175|||||||
 |ABC136||||||||[ABC176](ABC/ABC176)|[✓](ABC/ABC176/A.py)|[✓](ABC/ABC176/B.py)|[✓](ABC/ABC176/C.py)||||
 |ABC137|||||||
 |ABC138|||||||