ABC76-80

Author: IsHYuhi

ABC/ABC076/A.py

@@ -0,0 +1,4 @@
+r = int(input())
+g = int(input())
+
+print(-r+2*g)

ABC/ABC076/B.py

@@ -0,0 +1,6 @@
+n = int(input())
+k = int(input())
+ans = 1
+for i in range(n):
+    ans = min(ans*2, ans+k)
+print(ans)

ABC/ABC077/A.py

@@ -0,0 +1,7 @@
+c1 = input()
+c2 = input()
+
+if c1==c2[::-1] and c2==c1[::-1]:
+    print('YES')
+else:
+    print('NO')

ABC/ABC077/B.py

@@ -0,0 +1,3 @@
+import math
+n = int(input())
+print(int(math.sqrt(n))**2)

ABC/ABC078/A.py

@@ -0,0 +1,8 @@
+x, y = input().split()
+
+if ord(x)<ord(y):
+    print('<')
+elif ord(x)>ord(y):
+    print('>')
+else:
+    print('=')

ABC/ABC078/B.py

@@ -0,0 +1,2 @@
+x, y, z = map(int, input().split())
+print((x-z)//(y+z))

ABC/ABC078/C.py

@@ -0,0 +1,3 @@
+n, m = map(int, input().split())
+
+print(((1900*m)+(n-m)*100)*2**m)

ABC/ABC079/A.py

@@ -0,0 +1,18 @@
+from collections import deque
+n = deque(list(input()))
+digit = n.popleft()
+cnt = 1
+while n:
+    if cnt == 3:
+        break
+    d = n.popleft()
+    if d == digit:
+        cnt += 1
+    else:
+        digit = d
+        cnt = 1
+
+if cnt == 3:
+    print('Yes')
+else:
+    print('No')

ABC/ABC079/B.py

@@ -0,0 +1,10 @@
+n = int(input())
+l = [0]*(n+1)
+l[0]=2
+l[1]=1
+def lucas_number(n):
+    if l[n]!=0:
+        return l[n]
+    l[n] = lucas_number(n-1)+lucas_number(n-2)
+    return l[n]
+print(lucas_number(n))

ABC/ABC080/A.py

@@ -0,0 +1,2 @@
+n, a, b = map(int, input().split())
+print(min(n*a, b))

ABC/ABC080/B.py

@@ -0,0 +1,7 @@
+n = int(input())
+d = list(map(int, list(str(n))))
+
+if n%sum(d)==0:
+    print('Yes')
+else:
+    print('No')