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name
stringlengths
2
112
description
stringlengths
29
13k
source
int64
1
7
difficulty
int64
0
25
solution
stringlengths
7
983k
language
stringclasses
4 values
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import Counter def solve_test_case(t): n = int(input()) a = parse_array(int) b = parse_array(int) val_to_idx_a = { e: i for i, e in enumerate(a) } cc = Counter() for i, e in enumerate(b): pos_a = val_to_idx_a[e] distance = (pos_a + n - i) % n ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; const long long N = 1e5 + 5; int32_t main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; long long n; cin >> n; long long a[n]; for (long long i = 1; i <= n; i++) { long long t; cin >> t; a[t] = i; } long long b[n]; for (long long ...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys # sys.stdin = open('input.txt', 'r') # sys.stdout = open('output.txt', 'w') import math import collections from sys import stdin,stdout,setrecursionlimit import bisect as bs setrecursionlimit(2**20) M = 10**9+7 # T = int(stdin.readline()) T = 1 for _ in range(T): n = int(stdin.readline()) # n,...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n=int(input()) arr=list(map(int,input().strip().split())) brr=list(map(int,input().strip().split())) d=dict() e=dict() for i in range(1,n+1): d[i]=0 for i in range(n): a=arr[i] e[a]=i for j in range(n): b=brr[j] t=e[b] if(t>j): q=t-j d[q]=d[q]+1 elif(t<=j): q=n-j+t ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) a_pol = [-1 for _ in range(n)] b_pol = [-1 for _ in range(n)] for i in range(n): a_pol[a[i] - 1] = i b_pol[b[i] - 1] = i ans = [0 for _ in range(n)] for i in range(n): k = (a_pol[i] - b_pol[i] + n) % n ans[k] += 1 p...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys input = sys.stdin.readline from collections import defaultdict n=int(input()) a=[int(i) for i in input().split() if i!='\n'] b=[int(i) for i in input().split() if i!='\n'] inda=[0]*(n) indb=[0]*(n) for i in range(n): inda[a[i]-1]=i indb[b[i]-1]=i diff=defaultdict(int) for i in range(n): if inda[i...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) shift=[0]*(1+n) ida,idb=[0]*(1+n),[0]*(1+n) for i in range(n): ida[a[i]]=i idb[b[i]]=i for i in range(1,1+n): shift[(ida[i]-idb[i])%n]+=1 print(max(shift))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; /** * http://codeforces.com/contest/1365/problem/C */ public class TaskC { public static void main(Strin...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; constexpr int R = 5e5 + 6969, INF = 2e9 + 6969; int x; int main() { int n, t[2][R], cnt[R]; scanf("%d", &n); for (int i = 0; i < n; ++i) { scanf("%d", &x); t[0][x] = i; } for (int i = 0; i < n; ++i) { scanf("%d", &x); t[1][x] = i; } for (int i ...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) arr1 = list(map(int, input().split())) arr2 = list(map(int, input().split())) pos = list(0 for i in range(n)) for i in range(n): pos[arr1[i] - 1] = i left = list(int(0) for i in range(n + 1)) right = list(int(0) for i in range(n + 1)) for i in range(n): if i < pos[arr2[i] - 1]: lol = i...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#------------------------------------------------------------------------------------------------ #author : Shorya #contact: shorya361@gmail.com #Punk_GTS python Template from sys import stdin,stdout from collections import Counter, defaultdict import math def readInt(): return int(stdin.readline()) def readString():...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
# ------------------- fast io -------------------- import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys input = sys.stdin.buffer.readline n=int(input()) *a,=map(int,input().split()) *b,=map(int,input().split()) a+=a ia=[[] for _ in range(n)] ib=[[] for _ in range(n)] for i,x in enumerate(a): ia[x-1].append(i) for i,x in enumerate(b): ib[x-1].append(i) cnt=[0]*n for i in range(n): ii,jj=ia[i] kk=ib[i][0] i...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; void solve() { int n; cin >> n; vector<int> a(n), b(n); vector<int> apos(n), bpos(n); for (int i = 0; i < n; i++) cin >> a[i], apos[--a[i]] = i; for (int i = 0; i < n; i++) cin >> b[i], bpos[--b[i]] = i; vector<int> val(n); for (int i = 0; i < n; i++) { ...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys input = sys.stdin.buffer.readline n = int(input()) a = [int(i) for i in input().split()] b = [int(i) for i in input().split()] _a = [0 for i in range(n+1)] _b = [0 for i in range(n+1)] for i in range(n): _a[a[i]] = i _b[b[i]] = i ans = [0 for i in range(n+1)] for i in range(1,n+1): diff = _a[...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import deque n = int(input()) a = list(map(int,input().split())) b = list(map(int,input().split())) pos = [0 for x in range(n+1)] mmax = 0 offset = [0 for x in range(n+1)] for i in range(n): pos[a[i]]=i for i in range(n): cur = pos[b[i]] - i if cur <0: cur += n offset[cur]+=1...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
for t in range(1): n=int(input()) # n,m = map(int,input().split()) # matrix = [[] for i in range(n)] # for i in range(n): arr = list(map(int,input().split())) brr = list(map(int,input().split())) ct=0 matrix=[0]*n diff =[0]*n diffn =[0]*n for i in range(n): matrix[brr[i]-1]=i # print(matrix) for i in r...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys import math from collections import defaultdict # sys.stdin = open('input.txt', 'r') # sys.stdout = open('output.txt', 'w') def solve(test): n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) rec = {} for i in range(n): rec[a[i]] = i freq = defaultdict(int) f...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.io.*; import java.util.*; public class cp1 { public static void main(String args[]) { int n=II(); int a[]=IIA(n); int b[]=IIA(n); HashMap<Integer, Integer> hmap=new HashMap<>(); HashMap<Integer, Integer> diff=new HashMap<>(); for(int i=0;i<n;i++){ hmap.put(a[i], i); } for(int i...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n; cin >> n; int a[n], b[n]; map<int, pair<int, int>> m; for (long long i = 0; i < (long long)(n); i++) { cin >> a[i]; m[a[i]].first = i; } for (long long i = 0; i ...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
FAST_IO = 1 if FAST_IO: import io, sys, atexit rr = iter(sys.stdin.read().splitlines()).next sys.stdout = _OUTPUT_BUFFER = io.BytesIO() @atexit.register def write(): sys.__stdout__.write(_OUTPUT_BUFFER.getvalue()) else: rr = raw_input rri = lambda: int(rr()) rrm = lambda: map(int, rr().s...
PYTHON
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.lang.reflect.Array; import java.util.Arrays; import java.util.Scanner; import java.util.stream.Stream; public class C1365 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int a[] = new int[n+1]; int b[] = new int[n+1...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n=int(input()) v=[0 for i in range(n+1)] a=list(map(int,input().split())) b=list(map(int,input().split())) for i in range(n): v[a[i]]=(v[a[i]]+i%n)%n v[b[i]]=(v[b[i]]-i%n)%n freq=[0 for i in range(n)] for i in range(1,n+1): freq[v[i]]+=1 print(max(freq))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
N = int(input()) a = map(int, input().strip().split()) a_positions = {elem: i for i, elem in enumerate(a)} b = map(int, input().strip().split()) b_positions = {elem: i for i, elem in enumerate(b)} rotation_differences = {i:0 for i in range(N)} max_occurance = 0 for i in range(1, N + 1): key = (b_positions[i] - a_po...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n=int(input()) a=input().split() ai=[int(i) for i in a] b=input().split() bi=[int(i) for i in b] arr=[[] for i in range(n)] for i in range(n): arr[ai[i]-1].append(i) for i in range(n): arr[bi[i]-1].append(i) fina=[0 for i in range(n)] for i in arr: x=i[0] y=i[1] if(y>=x): fina[y-x]+=1 el...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import defaultdict def solve(lst1, lst2): loc = {} for i, num in enumerate(lst1): loc[num] = i diff = defaultdict(int) for i, num in enumerate(lst2): j = loc[num] if j - i >= 0: diff[j - i] += 1 else: diff[j - i + n] += 1 res...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.io.*; import java.util.*; import java.lang.*; public class RotationMatching{ public static class FastReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFilter filter; publ...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; int main() { long long t, m, n, k; cin >> n; long long a[n], b[n], maxCount = -1, val; map<int, int> mp, mpp; for (int i = 0; i < n; i++) { cin >> a[i]; mp[a[i]] = i; } for (int i = 0; i < n; i++) { cin >> b[i]; if (i > mp[b[i]]) val = i ...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
def parseint(): ln = input().split() for i in range(len(ln)): ln[i] = int(ln[i]) return ln def solve(n, a, b): a_map = {} b_map = {} for i in range(n): a_map[a[i]] = i b_map[b[i]] = i dists = {} for i in range(1, n + 1): dist = b_map[i] - a_map[i] ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import defaultdict as dd from collections import Counter n =int(input()) a = list(map(int,input().split())) b = list(map(int,input().split())) d = dd(int) for i in range(n): d[b[i]] = i ans = Counter() for i in range(n): p = d[a[i]] if p>=i: ans.update({p-i:1}) else: ans...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
//package com.company; import java.util.*; public class CF_1365_C { public static void main(String args[]) { // Scanner sc=new Scanner(System.in); // int n=sc.nextInt(); // int a[]=new int[n]; // int b[]=new int[n]; // for(int i=0;i<n;++i) // a[i]=sc.nextInt(); // ...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = list(map(int, input().strip().split())) b = list(map(int, input().strip().split())) inda = dict() indb = dict() for i, val in enumerate(a): inda[val] = i for i, val in enumerate(b): indb[val] = i from collections import defaultdict maks = 0 cnt = defaultdict(int) for i in range(1, n +...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) li=[] d={} di={} maxi=0 k=0 for i in range(n): if(a[i] in di.keys()): di[a[i]][0]=i else: di[a[i]]=[0,0] di[a[i]][0]=i if(b[i] in di.keys()): di[b[i]][1]=i else: di[b[i]]=[0,...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input());aa = map(int, input().split());aid = [0] * (n + 1);bb = map(int, input().split());dcount = [0] * n for i, a in enumerate(aa):aid[a] = i for i, b in enumerate(bb):dcount[(i - aid[b]) % n] += 1 print(max(dcount))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) pos = [0]*(n+1) shifts = [0]*n for i in range(len(a)): pos[a[i]] = i for i in range(len(b)): sh = pos[b[i]] - i if sh < 0: sh += n shifts[sh] += 1 print(max(shifts))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from fractions import Fraction import bisect import os from collections import Counter import bisect from collections import defaultdict import math import random import heapq as hq from math import sqrt import sys from functools import reduce, cmp_to_key from collections import deque import threading from itertools im...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = list(map(int,input().split())) b = list(map(int,input().split())) dic = {} for i in range(n): dic[a[i]] = i dc = {} dac = {} for i in range(n): x = dic[b[i]] c = 0 ac = 0 if x>=i: c = x-i ac = (n-(x-i)) else: ac = i-x c = n-(i-x) try: dc[c]+=1 except: dc[c] = 1 try: dac[ac]+=...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
// package Div2_648; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class ProblemC { public static void main(String[] args)throws IOException { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); ...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from sys import stdin from collections import defaultdict n = int(stdin.readline()) a = list(map(int, stdin.readline().rstrip().split(" "))) b = list(map(int, stdin.readline().rstrip().split(" "))) ad = {} bd = {} for i in range(n): ad[a[i]] = i bd[b[i]] = i diffs = defaultdict(lambda : 0) keys = list(ad.key...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = list(map(int,input().split())) b = list(map(int,input().split())) pos_a = [-1]*(n+1) pos_b = [-1]*(n+1) for i in range(n): pos_a[a[i]] = i for i in range(n): pos_b[b[i]] = i # print(pos_a,pos_b) cnt = [0]*(n) for i in range(1,n+1): cnt[ (pos_a[i] - pos_b[i] + n) % n ]+=1 ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import defaultdict as dc import sys input=sys.stdin.readline n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) x=dc(int) y=dc(int) for i in range(n): x[a[i]]=i for j in range(n): y[b[j]]=j p=[0]*n m=0 for k in x.keys(): if y[k]>=x[k]: p[y[k]-x[k]]+=1 ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.io.Writer; import java.io.OutputStreamWriter; import java.util.HashMap; import java.util.InputMismatchException; import java.io.IOExcep...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) ram=[0 for i in range(n+1)] shiv=[0 for i in range(n+1)] for i in range(1,n+1): d=a[i-1] ram[d]=i for i in range(1,n+1): d=b[i-1] shiv[d]=i store=[0 for i in range(n)] for i in range(1,n+1): if(ram[i]<shiv[i]): ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from sys import stdin from collections import Counter input = stdin.readline def main(): n = int(input()) a = [int(i) for i in input().split(" ")] # n,k = [int(i) for i in input().split(" ")] # a,b,c,d = [int(i) for i in input().split(" ")] # # l = [] b = [int(i) for i in input().split(" ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) mas1 = list(map(str, input().split())) mas2 = list(map(str, input().split())) s = {} for i in range(n): s[mas1[i]] = i ans = {} for i in range(n): x = s[mas2[i]] if i <= x: ans[x - i] = ans.get(x - i, 0) + 1 else: ans[n - i + x] = ans.get(n - i + x, 0) + 1 maxi = 0 for i in ans.items(): maxi ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.util.*; import java.util.function.Function; import java.util.stream.Collectors; import java.io.*; import java.math.*; public class Main7{ static public void main(String args[])throws IOException{ int tt=1; StringBuilder sb=new StringBuilder(); for(int ttt=1;ttt<=tt;ttt++){ int n=i(); int[] a=...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.util.*; public class Rotation_Matching { public static void main(String[] args) throws java.lang.Exception{ Scanner input = new Scanner(System.in); int n = input.nextInt(); int[][] indices = new int[n][2]; for(int i=0;i<n;i++){ indices[input.nextInt()-1][0] =...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.util.*; import java.io.*; import java.math.*; public class C648{ public static void main(String args[]){ FastReader sc = new FastReader(); StringBuilder sb=new StringBuilder(); int t,i,n,j; t=1; while(t-->0){ n=sc.nextInt(); int a[]=new int[n+1]; int b[]=new i...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.util.*; public final class cont648A { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int a[]=new int[n]; int b[]=new int[n]; int j=0,k=0; int []ind1=new int[n+1]; //int []ind2=new int[n+1];...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys LI=lambda:list(map(int, sys.stdin.readline().strip('\n').split())) MI=lambda:map(int, sys.stdin.readline().strip('\n').split()) SI=lambda:sys.stdin.readline().strip('\n') II=lambda:int(sys.stdin.readline().strip('\n')) n=II() aid={v:i for i, v in enumerate(MI(), 1)} dist={} for i, v in enumerate(MI(), 1): ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.io.*; import java.util.*; /** * * @author Aaryan * AV */ public class Test2 { private static final Scanner scanner = new Scanner(System.in); public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); Prin...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.util.*; import java.io.*; public class q3{ public static void main(String args[]) throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); int arr[] = new int[n]; int brr[] = new int[n]; ...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
# cook your dish here n=int(input()) a=list(map(int,input().rstrip().split())) b=list(map(int,input().rstrip().split())) posa={} posb={} for i in range(n): posa[a[i]]=i posb[b[i]]=i diff_r={} diff_l={} for i in range(1,n+1): if posa[i]-posb[i]<0: diff_r[i]=n+posa[i]-posb[i] else: diff_r[...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
//package CodeForces.RoadMap.Diff1400; import java.util.*; /** * @author Syed Ali. * @createdAt 11/05/2021, Tuesday, 23:35 */ public class RotationMatching { private static Scanner fs = new Scanner(System.in); static class Rotation{ Integer indexA; Integer indexB; Rotation(int a, int b){ this.indexA =...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) d1 = {} d2 = {} l1 = list(map(int,input().split())) l2 = list(map(int,input().split())) d3 = {} for i in range(n): d1[l1[i]] = i d2[l2[i]] = i for i in range(n): if d1[i+1]-d2[i+1] in d3 and d1[i+1]-d2[i+1] > 0: d3[d1[i+1]-d2[i+1]] = d3[d1[i+1]-d2[i+1]] + 1 elif n+d1[i+1]-d2[i+1] in d3: ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = input() A = list(map(int,list(a.split()))) b = input() B = list(map(int,list(b.split()))) f = [0]*(n) table = [0]*(n+1) for i in range(n): table[A[i]] = i for i in range(n): k = table[B[i]] if k-i>=0: f[k-i] = f[k-i]+1 else: f[n-(i-k)] = f[n-(i-k)]+1 print(max(f))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import Counter def read_ints(): return [int(i) for i in input().strip().split()] def main(): n = int(input()) a = read_ints() b = read_ints() #get all the diffs then find the mode #make dict of val to index # lineer pass to get diff array d = dict() for idx, i in enumerat...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase from fractions import Fraction BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
"""T = int(input()) for _ in range(T): r,c= list(map(int,input().split())) arr=[] for i in range(r): arr.append(list(map(int,input().split()))) x=y=0 for i in range(r): flag=0 for j in range(c): if arr[i][j]==1: flag=1 break if flag==0: x+=1 for i in range(c): flag=0 for j in range(r): ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import time,math,bisect from sys import stdin,stdout def I(): return int(stdin.readline()) def Is(): return str(stdin.readline()) def In(): return map(int,stdin.readline().split()) def L(): return list(map(int,stdin.readline().split())) def Si(): return sorted(list(map(int,stdin.readline().split()))...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#!/usr/bin/env python # https://github.com/cheran-senthil/PyRival/blob/master/templates/template_py3.py import os import sys,math from io import BytesIO, IOBase def main(): n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) pos = [0 for i in range(n+1)] for i in range(...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.io.*; import java.util.*; import java.util.concurrent.TimeUnit; public class c648 implements Runnable{ public static void main(String[] args) { try{ new Thread(null, new c648(), "process", 1<<26).start(); } catch(Exception e){ System.out.println(e); ...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; int n, a[200005], b[200005], c[400005]; int main() { cin >> n; for (int i = 0; i < n; i++) { int x; cin >> x; a[x] = i; } for (int i = 0; i < n; i++) { int x; cin >> x; if (a[x] < i) c[n - (i - a[x])]++; else c[a[x] - i]++; ...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#=int(input()) for _ in range(1): n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) right=[0 for i in range(n+1)] for i in range(n): right[a[i]]=i+1 for i in range(n): c=b[i] if(right[c]>=i+1): right[c]-=(i+1) else: ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
def find_diff(N, i, j): if i < j: res = j - i else: res = j + N - i return res N = int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) Ai = {ai: i for i, ai in enumerate(A)} Bi = {bi: i for i, bi in enumerate(B)} maxi = [0] * (N + 1) for i in range(1, N + ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
# All you need is love. But a little chocolate now and then doesn't hurt. Charles Schulz # by : Blue Edge - Create some chaos n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) c=[0]*n d=[0]*(n+1) for i in range(n): d[a[i]]=i for i in range(n): j=d[b[i]] c[(j-i)%n]+=1 print...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import Counter, defaultdict, deque import bisect from sys import stdin, stdout from itertools import repeat import math # sys.stdin = open('input') def inp(force_list=False): re = map(int, raw_input().split()) if len(re) == 1 and not force_list: return re[0] return re def inst():...
PYTHON
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) in1 = list(map(int, input().split())) in2 = list(map(int, input().split())) pos1 = [0] * n out1 = [0] * n for i in range(n): pos1[in1[i] - 1] += i for i in range(n): pos1[in2[i] - 1] -= i for v in pos1: out1[v] += 1 print(max(out1))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.util.*; public class Main { public static void main(String[] args) { Scanner s = new Scanner(System.in); int n = s.nextInt(); int[] a = new int[n]; int[] b = new int[n]; int[] apos = new int[n+1]; int[] bpos = new int[n+1]; for(int i =0;i<n;i++) ...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
def solve(): n = int(input().strip()) # a, b = map(int, input().strip().split()) a = list(map(int, input().strip().split())) b = list(map(int, input().strip().split())) a_ = [None for i in range(n+1)] b_ = [None for i in range(n+1)] for i in range(n): a_[a[i]] = i + 1 b_[b[i]...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys import math from collections import defaultdict,deque import heapq n=int(sys.stdin.readline()) a=list(map(int,sys.stdin.readline().split())) b=list(map(int,sys.stdin.readline().split())) dpa=defaultdict(int) for i in range(n): dpa[a[i]]=i cnt=defaultdict(int) for i in range(n): x=dpa[b[i]] if x<i: cnt[(...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) best = 0 #from n to 0: atoi = dict() shifts_map = [0 for i in range(0,n)] for i in range(0, n): atoi[a[i]] = i for i in range(0,n): curr = 0 off = (atoi[b[i]] - i)%n shifts_map[off] += 1 if shifts_map[off] > be...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) right=[0 for i in range(n+1)] left=[0 for i in range(n+1)] d={} for j in range(len(b)): d[b[j]]=j for i in range(n): k=d[a[i]]-i if(k>=0): right[k]=right[k]+1 left[(n-k)]=left[(n-k)]+1 else: left[abs(k)]=left[abs(k)]+1 right[(n...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from sys import stdout from sys import stdin def get(): return stdin.readline().strip() def getf(): return [int(i) for i in get().split()] def put(a, end = "\n"): stdout.write(str(a) + end) def putf(a, sep = " ", end = "\n"): stdout.write(sep.join(map(str, a)) + end) from collections import defaultdict...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import Counter n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) p = a.copy() for i, aa in enumerate(a): p[aa - 1] = i for i, bb in enumerate(b): b[i] = (p[bb - 1] + n - i) % n # print(b) b = Counter(b) print(max(b.values()))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys from math import * def input(): return sys.stdin.readline().strip() def iinput(): return int(input()) def finput(): return float(input()) def tinput(): return input().split() def linput(): return list(input()) def rinput(): return map(int, tinput()) def fiinput(): return...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
# python3 q3.py < test.txt n = int(input()) a = [int(j) for j in input().split()] b = [int(j) for j in input().split()] a_pos = {} for i in range(n): a_pos[a[i]] = i counter = {} for i in range(n): diff = i - a_pos[b[i]] if diff < 0: diff = diff + n if diff in counter: counter[diff]...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
def rotmatch(n, a, b): placea = [0]*n placeb = [0]*n diff = [0]*n for i in range(n): placea[a[i]-1] = i for i in range(n): placeb[b[i]-1] = i for i in range(n): diff[i] = (n-placea[i]+placeb[i])%n ats = [0]*n for d in diff: ats[d] += 1 return max(ats) n = int(input()) a = list...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import sys Ri = lambda : [int(x) for x in sys.stdin.readline().split()] ri = lambda : sys.stdin.readline().strip() n = int(ri()) a = Ri() b = Ri() dic1 = {} dic2 = {} for i in range(len(a)): dic1[a[i]] = i for i in range(len(b)): dic2[b[i]] = i dic = {} for i in range(1,n+1): if (dic2[i] - dic1[i])%n ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
def f(): return list(map(int,input().split())) n=int(input()) a=[0]*n for i,x in enumerate( f() ): a[x-1]=i import collections c=collections.Counter() for i,x in enumerate( f() ): c[ (a[x-1]-i+n)%n ]+=1 print(max(c.values()))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; long long powe(long long x, long long n) { long long r = 1; while (n > 0) { if (n % 2) r *= x; x *= x, n /= 2; } return r; } bool isPowerOfTwo(long long x) { return x && (!(x & (x - 1))); } long long powerTwo(long long n) { int x = 1, k = -1; while (true...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) arr1 = list(map(int, input().split())) arr2 = list(map(int, input().split())) maxcount = 0 arr1_hash = {} arr2_hash = {} for i in range(n): arr1_hash[arr1[i]] = i arr2_hash[arr2[i]] = i subs = {} for i in range(n): sub = (arr1_hash[i + 1] - arr2_hash[i + 1]) % n if sub in subs.keys(): ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = list(map(int, input().rstrip().split())) b = list(map(int, input().rstrip().split())) diff = [0 for i in range(n)] for i in range(n): a_el = a[i] diff[a_el-1] += i + n b_el = b[i] diff[b_el-1] += - i + n diff[a_el-1] = diff[a_el-1] % n diff[b_el-1] = diff[b_el-1] % n frequen...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from sys import stdin input=stdin.readline import bisect import math #i = bisect.bisect_left(a, k) #list=input().split(maxsplit=1) for xoxo in range(1): for _ in range (1): n=int(input()) a=list(map(int, input().split())) b=list(map(int, input().split())) ls=[0]*n rs=[0]*n ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; const int MAXN = 2e5 + 7; const int MAXM = 1e9 + 7; const long long int mod = 1e9 + 7; const int inf = MAXM; long long int arr[MAXN]; const int N = 50000; long long int abso(long long int a, long long int b) { if (a > b) { return a - b; } return b - a; } void solv...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import Counter N = int(input()) A = [int(x) for x in input().split()] B = [int(x) for x in input().split()] PosA = [0] * (N+1) PosB = [0] * (N+1) for i in range(N): PosA[A[i]] = i+1 PosB[B[i]] = i+1 # print(PosA) # print(PosB) Change = [0] * (N+1) for i in range(1,N+1): Change[i] = PosA[i] ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
a=int(input()) l1=list(map(int,input().split())) l2=list(map(int,input().split())) d={} d1={} for i in range(0,a): d[l1[i]]=i for i in range(0,a): d1[l2[i]]=i l={} for i in d.keys(): m=(d[i]-d1[i])%a if m in l.keys(): l[m]+=1 else: l[m]=1 print(max(l.values()))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; using ll = long long int; using bigint = int64_t; const int MOD = 1000000007; void io_set() {} void solve() { ll n, out = 0; cin >> n; map<ll, ll> mpp, ppm, ans; ll a[n], b[n]; for (ll i = 0; i < n; i++) { cin >> a[i]; mpp[a[i]] = i; } for (ll i = 0; i...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int(input()) a = list(map(int,input().split())) b = list(map(int,input().split())) ans = 0 loc = [ [-1,-1] for _ in range(n) ] for i in range(n) : loc[a[i]-1][0] = i loc[b[i]-1][1] = i lefta, righta = [0]*(n), [0]*(n) leftb, rightb = [0]*(n), [0]*(n) for i in loc : if i[0]==i[1] : lefta[0]+=...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from sys import stdin from collections import deque # https://codeforces.com/contest/1354/status/D mod = 10**9 + 7 import sys import random # sys.setrecursionlimit(10**6) from queue import PriorityQueue # def rl(): # return [int(w) for w in stdin.readline().split()] from bisect import bisect_right from bisect impor...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.util.*; import java.io.*; public class B{ public static void main(String[] args) { FastScanner fs = new FastScanner(); PrintWriter out = new PrintWriter(System.out); int n = fs.nextInt(); int[] posb = new int[n+1]; int[] a = fs.readArray(n); for(int i=0;i<n;i++) { int aa = fs.nextIn...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; int ar[200004]; int main() { int t, n, m, a, row[100], col[100]; map<int, int> mp; cin >> n; for (int i = 0; i < n; i++) { cin >> a; mp[a] = i; } int mx = 0; for (int i = 0; i < n; i++) { cin >> a; t = ((mp[a] + n - i) % n); ar[t]++; mx...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from sys import stdin,stdout for _ in range(1): n=int(stdin.readline()) a=list(map(int,stdin.readline().split())) b=list(map(int,stdin.readline().split())) d={};ib={} for i in range(n): ib[b[i]]=i for i in range(n): shift=(i-ib[a[i]]+n)%n d[shift]=d.get(shift,0)+1 pri...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
n = int (input()) a = list(map (int, input().split())) b = list(map (int, input().split())) for i in range (n): a[i] -= 1 b[i] -= 1 q = [0] * n for i in range (n): q[a[i]] = i res = 0 cnt = [0] * n for i in range (n): cnt[(i - q[b[i]] + n) % n] += 1 print (max (cnt))
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 1; const int INF = 1e9 + 10; const int MOD = 1e9 + 7; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; vector<int> c(n + 1, 0), d(n + 1, 0); for (int i = 0; i < n; i++) { int x; cin >> x; c[x]...
CPP
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.io.*; import java.math.BigInteger; import java.util.ArrayList; import java.util.HashMap; import java.util.Map; import java.util.StringTokenizer; public class C { long INF = Long.MAX_VALUE; // "Π‘Π΅ΡΠΊΠΎΠ½Π΅Ρ‡Π½ΠΎΡΡ‚ΡŒ" public static void main(String[] args) throws IOException { new C().run(); } ...
JAVA
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
def result(n, a, b): vec = [0 for _ in range(n)] l = [0 for _ in range(n)] for i, el in enumerate(a): vec[el-1] = i for i, el in enumerate(b): l[(vec[el-1] - i)%n] += 1 return max(l) n = int(input()) a = list(map(lambda x: int(x), input().split(' '))) b = list(map(lambda x: int(x), ...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
#!/usr/bin/env python3 import io import os input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline def get_str(): return input().decode().strip() def rint(): return map(int, input().split()) def oint(): return int(input()) n = oint() a = list(rint()) b = list(rint()) a_dict = dict() for i, aa in e...
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
from collections import Counter n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) c=[] d={} for i in range(n): d[a[i]]=i for i in range(n): k=d[b[i]]-i if k>=0: c.append(k) else: c.append(k+n) print(Counter(c).most_common(1)[0][1])
PYTHON3
1365_C. Rotation Matching
After the mysterious disappearance of Ashish, his two favourite disciples Ishika and Hriday, were each left with one half of a secret message. These messages can each be represented by a permutation of size n. Let's call them a and b. Note that a permutation of n elements is a sequence of numbers a_1, a_2, …, a_n, in ...
2
9
import java.util.*; // scanner.nextInt(); public class Solution { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int[] array = new int[n+1]; int[] array_2 = new int[n+1]; ...
JAVA