結果
| 問題 |
No.616 へんなソート
|
| コンテスト | |
| ユーザー |
mkawa2
|
| 提出日時 | 2020-06-09 19:03:32 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,020 bytes |
| コンパイル時間 | 344 ms |
| コンパイル使用メモリ | 82,500 KB |
| 実行使用メモリ | 855,936 KB |
| 最終ジャッジ日時 | 2025-01-02 13:59:25 |
| 合計ジャッジ時間 | 10,811 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 25 TLE * 1 MLE * 1 |
ソースコード
from operator import itemgetter
from itertools import *
from bisect import *
from collections import *
from heapq import *
import sys
sys.setrecursionlimit(10 ** 6)
def II(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def SI(): return sys.stdin.readline()[:-1]
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
int1 = lambda x: int(x) - 1
def MI1(): return map(int1, sys.stdin.readline().split())
def LI1(): return list(map(int1, sys.stdin.readline().split()))
p2D = lambda x: print(*x, sep="\n")
dij = [(1, 0), (0, 1), (-1, 0), (0, -1)]
class mint:
def __init__(self, x):
self.__x = x % md
def __repr__(self):
return str(self.__x)
def __neg__(self):
return mint(-self.__x)
def __add__(self, other):
if isinstance(other, mint): other = other.__x
return mint(self.__x + other)
def __sub__(self, other):
if isinstance(other, mint): other = other.__x
return mint(self.__x - other)
def __rsub__(self, other):
return mint(other - self.__x)
def __mul__(self, other):
if isinstance(other, mint): other = other.__x
return mint(self.__x * other)
__radd__ = __add__
__rmul__ = __mul__
def __truediv__(self, other):
if isinstance(other, mint): other = other.__x
return mint(self.__x * pow(other, md - 2, md))
def __rtruediv__(self, other):
return mint(other * pow(self.__x, md - 2, md))
def __pow__(self, power, modulo=None):
return mint(pow(self.__x, power, md))
md=10**9+7
def main():
n,k=MI()
LI()
dp=[[0]*(k+1) for _ in range(n+1)]
dp[0][0]=mint(1)
for i in range(n):
s=mint(0)
w=n-i
for j in range(k+1):
s+=dp[i][j]
if j-w>=0:s-=dp[i][j-w]
dp[i+1][j]=s
print(sum(dp[n]))
main()
mkawa2