結果

問題 No.1604 Swap Sort:ONE
ユーザー kyaneko999kyaneko999
提出日時 2021-07-16 21:34:25
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 186 ms / 2,000 ms
コード長 3,384 bytes
コンパイル時間 298 ms
コンパイル使用メモリ 87,192 KB
実行使用メモリ 79,612 KB
最終ジャッジ日時 2023-09-20 13:13:58
合計ジャッジ時間 6,035 ms
ジャッジサーバーID
(参考情報)
judge15 / judge14
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 151 ms
77,992 KB
testcase_01 AC 152 ms
78,020 KB
testcase_02 AC 148 ms
77,988 KB
testcase_03 AC 147 ms
78,272 KB
testcase_04 AC 151 ms
78,168 KB
testcase_05 AC 154 ms
79,044 KB
testcase_06 AC 186 ms
79,372 KB
testcase_07 AC 171 ms
79,388 KB
testcase_08 AC 173 ms
79,420 KB
testcase_09 AC 173 ms
79,380 KB
testcase_10 AC 172 ms
79,440 KB
testcase_11 AC 172 ms
79,612 KB
testcase_12 AC 172 ms
79,432 KB
testcase_13 AC 172 ms
79,472 KB
testcase_14 AC 173 ms
79,444 KB
testcase_15 AC 169 ms
79,536 KB
testcase_16 AC 172 ms
79,348 KB
testcase_17 AC 158 ms
79,548 KB
testcase_18 AC 159 ms
79,604 KB
testcase_19 AC 170 ms
79,480 KB
testcase_20 AC 160 ms
79,528 KB
testcase_21 AC 168 ms
79,448 KB
testcase_22 AC 168 ms
79,276 KB
testcase_23 AC 161 ms
78,860 KB
testcase_24 AC 154 ms
78,760 KB
testcase_25 AC 170 ms
79,544 KB
testcase_26 AC 166 ms
79,484 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

from sys import exit, stdin, setrecursionlimit
from collections import deque, defaultdict, Counter
from copy import deepcopy
from bisect import bisect_left, bisect_right, insort_left, insort_right
from heapq import heapify, heappop, heappush
from itertools import product, permutations, combinations, combinations_with_replacement
from functools import reduce
from math import gcd, sin, cos, tan, asin, acos, atan, atan2, degrees, radians, ceil, floor, sqrt, factorial
from math import pi as PI
from random import randint
# from decimal import Decimal

setrecursionlimit(500000)
INF = (1<<61)-1
EPS = 1e-10
MOD = 10**9+7
# MOD = 998244353

def input():
    return stdin.readline()[:-1]
def intput():
    return int(stdin.readline())
def minput():
    return stdin.readline()[:-1].split()
def linput():
    return stdin.readline()[:-1].split()
def mint():
    return map(int,stdin.readline().split())
def lint():
    return list(map(int,stdin.readline().split()))
def ilint():
    return int(stdin.readline()), list(map(int,stdin.readline().split()))
def lcm(x,y):
    return x*y//gcd(x,y)
def lgcd(l):
    return reduce(gcd,l)
def llcm(l):
    return reduce(lcm,l)
def powmod(n,i,mod=MOD):
    return pow(n,mod-1+i,mod) if i<0 else pow(n,i,mod)
def div2(x):
    return x.bit_length()
def div10(x):
    return len(str(x))-(x==0)
def popcount(x):
    return bin(x).count('1')
def digit(x,i,max_len=None):
    s = str(x)
    if max_len:
        i -= max_len-len(s)
    return int(s[i-1]) if i>0 else 0
def digitsum(x):
    ans = 0
    for i in range(div10(x)):
        ans += digit(x,i+1)
    return ans
def pf(x,mode='counter'):
    C = Counter()
    p = 2
    while x>1:
        k = 0
        while x%p==0:
            x //= p
            k += 1
        if k>0:
            C[p] += k
        p = p+2-(p==2) if p*p<x else x
    if mode=='counter':
        return C
    S = set([1])
    for k in C:
        T = set()
        for x in S:
            for i in range(C[k]+1):
                T.add(x*(k**i))
        S = T
    if mode=='set':
        return S
    if mode=='list':
        return sorted(S)
def isprime(x):
    if x<2:
        return False
    return len(pf(x,'set'))==2
def matmul(A, B):
    # import numpy
    A1, A2 = A >> 15, A & (1 << 15) - 1
    B1, B2 = B >> 15, B & (1 << 15) - 1
    X = np.dot(A1, B1) % MOD
    Y = np.dot(A2, B2)
    Z = np.dot(A1 + A2, B1 + B2) - X - Y
    return ((X << 30) + (Z << 15) + Y) % MOD
def matpow(A, N):
    P = np.eye(A.shape[0], dtype=np.int64)
    while N:
        if N & 1:
            P = matmul(P, A)
        A = matmul(A, A)
        N >>= 1
    return P
def zash(S):
    lis = sorted(S)
    dic = {}
    for i,x in enumerate(lis):
        dic[x] = i
    return lis, dic
def pr(*x):
    print(*x, sep='', end='') if len(x) else print()
def lprint(l):
    for x in l: print(x)
def ston(c, c0='a'):
    return ord(c)-ord(c0)
def ntos(x, c0='a'):
    return chr(x+ord(c0))
def judge(x, l=['Yes', 'No']):
    print(l[0] if x else l[1])
def debug(*x, flag=1):
    if flag: print(*x)

######################################################

N,P=ilint()
P=[0]+P
where=[-1]*(N+1)
for i in range(1,N+1):
    where[P[i]]=i
ans=0
for i in range(1,N+1):
    if P[i]==i:
        continue
    while P[i]>i:
        p=P[i]
        j=where[p-1]
        P[i],P[j]=P[j],P[i]
        where[p],where[p-1]=where[p-1],where[p]
        ans+=1
print(ans)
0