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‎arc017/a/main.py

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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from itertools import *
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def powerset(iterable):
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s = list(iterable)
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return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N = I()
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if __name__ == '__main__':
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main()

‎arc017/b/main.py

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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from itertools import *
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def powerset(iterable):
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s = list(iterable)
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return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N = I()
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if __name__ == '__main__':
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main()

‎arc017/c/main.py

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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from itertools import *
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def powerset(iterable):
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s = list(iterable)
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return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N, X = LI()
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W = IR(N)
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first, second = W[:N//2], W[N//2:]
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d = defaultdict(int)
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for s in powerset(first):
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d[sum(s)] += 1
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ans = 0
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for s in powerset(second):
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ans += d[X - sum(s)]
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print(ans)
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if __name__ == '__main__':
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main()

‎arc017/contest.acc.json

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{
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"contest": {
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"id": "arc017",
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"title": "AtCoder Regular Contest 017",
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"url": "https://atcoder.jp/contests/arc017"
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},
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"tasks": [
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{
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"id": "arc017_1",
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"label": "A",
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"title": "素数、コンテスト、素数",
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"url": "https://atcoder.jp/contests/arc017/tasks/arc017_1",
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"directory": {
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"path": "a",
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"testdir": "test",
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"submit": "main.py"
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}
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},
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{
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"id": "arc017_2",
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"label": "B",
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"title": "解像度が低い。",
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"url": "https://atcoder.jp/contests/arc017/tasks/arc017_2",
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"directory": {
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"path": "b",
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"testdir": "test",
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"submit": "main.py"
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}
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},
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{
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"id": "arc017_3",
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"label": "C",
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"title": "無駄なものが嫌いな人",
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"url": "https://atcoder.jp/contests/arc017/tasks/arc017_3",
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"directory": {
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"path": "c",
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"testdir": "test",
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"submit": "main.py"
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}
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},
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{
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"id": "arc017_4",
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"label": "D",
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"title": "ARCたんクッキー",
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"url": "https://atcoder.jp/contests/arc017/tasks/arc017_4",
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"directory": {
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"path": "d",
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"testdir": "test",
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"submit": "main.py"
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}
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}
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]
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}

‎arc017/d/main.py

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#!usr/bin/env python3
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from collections import defaultdict, deque, Counter, OrderedDict
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from bisect import bisect_left, bisect_right
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from functools import reduce, lru_cache
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from heapq import heappush, heappop, heapify
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7+
from itertools import *
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import math, fractions
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import sys, copy
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def L(): return sys.stdin.readline().split()
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def I(): return int(sys.stdin.readline().rstrip())
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def SL(): return list(sys.stdin.readline().rstrip())
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def LI(): return [int(x) for x in sys.stdin.readline().split()]
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def LI1(): return [int(x) - 1 for x in sys.stdin.readline().split()]
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def LS(): return [list(x) for x in sys.stdin.readline().split()]
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def R(n): return [sys.stdin.readline().strip() for _ in range(n)]
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def LR(n): return [L() for _ in range(n)]
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def IR(n): return [I() for _ in range(n)]
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def LIR(n): return [LI() for _ in range(n)]
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def LIR1(n): return [LI1() for _ in range(n)]
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def SLR(n): return [SL() for _ in range(n)]
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def LSR(n): return [LS() for _ in range(n)]
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def perm(n, r): return math.factorial(n) // math.factorial(r)
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def comb(n, r): return math.factorial(n) // (math.factorial(r) * math.factorial(n-r))
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def powerset(iterable):
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s = list(iterable)
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return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
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def make_list(n, *args, default=0): return [make_list(*args, default=default) for _ in range(n)] if args else [default for _ in range(n)]
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dire = [[1, 0], [0, 1], [-1, 0], [0, -1]]
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dire8 = [[1, 0], [1, 1], [0, 1], [-1, 1], [-1, 0], [-1, -1], [0, -1], [1, -1]]
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alphabets = "abcdefghijklmnopqrstuvwxyz"
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ALPHABETS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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MOD = 1000000007
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INF = float("inf")
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sys.setrecursionlimit(1000000)
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def main():
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N = I()
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if __name__ == '__main__':
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main()

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