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Misinterpretation CodeChef Solution

Misinterpretation CodeChef Solution in C++14

``````#include <bits/stdc++.h>
using namespace std;

const int M = 1e9+7;

long long binpow(long long  a, long long b, long long m) {
long long res = 1;
while (b > 0) {
if (b & 1)
res =( res * a) % m;
a = (a * a )% m;
b >>= 1;
}
return res;
}

int main() {
int t;
cin>>t;
while(t--){
int n;
cin>>n;
vector<bool> check(n+1,true);
int count = 0;
for (int i = 1 ; 2*i <= n; i++){
if (check[i]) {
count++;
int j = 2*i;
while(j!= i){
if (j<=n/2){
check[j] = false;
j = j*2;
}
else{
check[j] = false;
j = (j-n/2)*2 -1;
}
}
}
}
if (n &1 != 0) count++;
cout<<binpow(26*1ll,count,M)<<endl;

}
return 0;
}``````

Misinterpretation CodeChef Solution in PYTH 3

``````# cook your dish here
from sys import *
import math

def solve():
mod=1000000007
visited = [False] * (n+1)
start = 1
count = 0
res1 = [2*x for x in range(n//2 +1)]
res2 = [2*x+1 for x in range(n - n//2)]
res=res1+res2
for i in range(1,n+1):
if not visited[i]:
temp = i
while not visited[temp]:
visited[temp] = True
temp = res[temp]
count += 1
print(pow(26,count,mod))
solve()``````

Misinterpretation CodeChef Solution in C

``````#include<stdio.h>

int m=1000000007;

int main()
{
int t,tt,n;
scanf("%d",&t);
for(tt=0;tt<t;tt++)
{
scanf("%d",&n);
int i,j;
int p[n+1];
int comp[n+1];
p[0]=comp[0]=-1;
for(i=2,j=1;i<=n;i+=2,j++)
{
p[j]=i;
comp[j]=0;
}
for(i=1;j<=n;i+=2,j++)
{
p[j]=i;
comp[j]=0;
}
/*printf("comp is ");
for(i=1;i<=n;i++)
printf("%d ",comp[i]);
printf("\n");*/
int num=0;
for(i=1;i<=n;i++)
{
if(comp[i]==0)
{
j=i;
num++;
while(comp[j]==0)
{
comp[j]=num;
j=p[j];
}
}
}
long long int ans=1;
for(i=1;i<=num;i++)
ans=(ans*26)%m;
printf("%lld\n",ans);
}
}``````

Misinterpretation CodeChef Solution in JAVA

``````import java.io.*;
import java.util.*;

class misinter {
public static void main(String[] args) throws IOException {
PrintWriter pw=new PrintWriter(System.out);
int t=sc.nextInt();
for(int z=1;z<=t;z++) {
int n = sc.nextInt();
int arr[]=new int[n+1];
int orig[]=new int[n+1];
for(int i=1;i<=n/2;i++){
orig[i]=i;
arr[i]=i*2;
}
for(int i=n/2 + 1;i<=n;i++){
arr[i]=(i - n/2)*2 - 1;
orig[i]=i;
}
boolean vis[]=new boolean[n+1];
long mod=1000000007,res=1;
for(int i=1;i<=n;i++){
if(!vis[i]){
res=(res*26)%mod;
int start=arr[orig[i]];
while(!vis[start]){
vis[start]=true;
start=arr[start];
}
}
}
pw.println(res);
}
pw.close();
}
StringTokenizer st;

{
}

String next()
{
while (st == null || !st.hasMoreElements()) {
try {
}
catch (IOException e) {
e.printStackTrace();
}
}
return st.nextToken();
}

int nextInt() { return Integer.parseInt(next()); }

long nextLong() { return Long.parseLong(next()); }

double nextDouble()
{
return Double.parseDouble(next());
}

String nextLine()
{
String str = "";
try {
}
catch (IOException e) {
e.printStackTrace();
}
return str;
}
}
}``````

Misinterpretation CodeChef Solution in PYPY 3

``````from sys import *

def solve():
mod=1000000007
visited = [False] * (n+1)
count = 0
res1 = [2*x for x in range(n//2 +1)]
res2 = [2*x+1 for x in range(n - n//2)]
res=res1+res2
for i in range(1,n+1):
if not visited[i]:
temp = i
while not visited[temp]:
visited[temp] = True
temp = res[temp]
count += 1
print(pow(26,count,mod))
solve()``````

Misinterpretation CodeChef Solution in PYTH

``````"""
Misinterpretation

https://www.codechef.com/problems/MISINTER
"""

"""
REFERENCES

Disjoint Set Union (Union Find) | HackerEarth

https://www.hackerearth.com/practice/notes/disjoint-set-union-union-find/
"""

"""
SUBMISSIONS

### Solution 1

Submission rejected on 2019-11-10 20:50:55 PST. Got "Time Limit Exceeded".
ID: 27862287
Time: 1.54 sec
Memory: 25.9M
"""

## -----------------------------------------------------------------------------

class Solution_1(object):
"""My Solution 1

Submission rejected on 2019-11-10 20:50:55 PST. Got "Time Limit Exceeded".
ID: 27862287
Time: 1.54 sec
Memory: 25.9M
"""

def solve(self, N):
vec = [i for i in xrange(0, N+2)]

def root(i):
"""Find root of union."""
while vec[i] != i:
i = vec[i]
return i

def union(a, b):
"""Union make."""
vec[root(b)] = root(a)

##
# Union the N/2 even ones with the odd ones.
for i in xrange(1, N/2+1):
union(i, i*2)

##
# Union the rest with the N/2 odd ones,
# starting from 1 and goes like 1, 3, 5, ... etc.
j = 1
for i in xrange(N/2+1, N+1):
union(i, j)
j += 2

##
# Find the number of disjoint sets.
s = set((root(i) for i in xrange(1, N+1)))

##
# The result is 26 to power of (number of distinct disjoint unions),
# modulo 1000000007.
res = 1
for _ in xrange(len(s)):
res = (res * 26) % 1000000007
return res

## -----------------------------------------------------------------------------

class Solution_2(object):
"""My Solution 2"""

def solve(self, N):
##
# Initialize.
vec = [i for i in xrange(0, N+2)]

##
# Permute array like described.
j = 0
for i in xrange(2, N+1, 2):
j += 1
vec[j] = i
for i in xrange(1, N+1, 2):
j += 1
vec[j]=i

##
# Count number of cycles.
marked = [0] * (N+2)
cycles = 0
for i in xrange(1, N+1):
if not marked[i]:
cycles += 1
j = i
while not marked[j]:
marked[j] = 1
j = vec[j]

##
# The result is 26 to power of (number of distinct disjoint unions),
# modulo 1000000007.
res = 1
for _ in xrange(cycles):
res = (res * 26) % 1000000007
return res

## -----------------------------------------------------------------------------

# Solution = Solution_1
Solution = Solution_2

class Driver(object):

def run(self):
T = int(raw_input())
for _ in xrange(T):
N = int(raw_input())
assert 1 <= N <= 100000
soln = Solution()
res = soln.solve(N)
print res

def main():
driver = Driver()
driver.run()

if __name__ == '__main__':
main()``````

Misinterpretation CodeChef Solution in C#

``````using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ProgrammingContest.CodeChef.Contest.July_Cook_off_2011
{
class Misinterpretation
{
static void Main()
{
while (T-- > 0)
{
UnionFind uf = new UnionFind(N + 1);

for (int i = 2; i <= N; i += 2)
uf.UnionSet(i, i / 2);

int cnt = (N+1) / 2;
for (int i = N / 2 + 1, j = 1; i < N; i++, j += 2)
if (!uf.FindSet(i, j))
{
uf.UnionSet(i, j);
}

bool[] used = new bool[N + 1];
long res = 1;
for (int i = 1; i <= N; i++)
{
int r = uf.Root(i);
if (!used[r])
{
res = res * 26 % 1000000007;
used[r] = true;
}
}
Console.WriteLine(res);
}
}

#region UnionFind
class UnionFind
{
int[] data;

public UnionFind(int size)
{
data = new int[size];
for (int i = 0; i < size; i++) data[i] = -1;
}

public bool UnionSet(int x, int y)
{
x = Root(x); y = Root(y);
if (x != y)
{
if (data[y] < data[x]) { int t = x; x = y; y = t; }
data[x] += data[y];
data[y] = x;
}
return x != y;
}

public bool FindSet(int x, int y)
{
return Root(x) == Root(y);
}

public int Root(int x)
{
return data[x] < 0 ? x : data[x] = Root(data[x]);
}

public int Size(int x)
{
return -data[Root(x)];
}
}
#endregion
}
}``````

Misinterpretation CodeChef Solution in GO

``````package main

import (
"fmt"
)

func pow(n, k int64) int {
toReturn := int64(1)
for i := int64(0); i < k; i++ {
toReturn *= n
toReturn = toReturn % 1000000007
}

return int(toReturn)
}

func permute(size int) (out []int) {
out = make([]int, size)
o, e := 1, 2

for i := 0; i < size / 2; i++ {
out[i] = e
e += 2
}

for i := size / 2; i < size; i++ {
out[i] = o
o += 2
}

return
}

func nSets(ps []int) (n int) {
// Find loop
n = 0

for i := range ps {
if ps[i] < 0 {
continue
}
next := i + 1
for next > 0 {
tmp := ps[next - 1]
ps[next - 1] = -(i + 1)
next = tmp
}
}

for i, val := range ps {
if i == -(val + 1) {
n++
}
}

return
}

func main() {
var t int
fmt.Scan(&t)
for i := 0; i < t; i++ {
var size int
fmt.Scan(&size)
fmt.Println(pow(int64(26), int64(nSets(permute(size)))))
}
}``````
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