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Exam Cheating CodeChef Solution
Problem -Exam Cheating CodeChef Solution
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Exam Cheating CodeChef Solution in C++14
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mod 1000000007
#define Time cerr << "time taken : " << (float)clock() / CLOCKS_PER_SEC << " secs" << endl;
#define pb push_back
#define mp make_pair
#define line cout << endl;
#define ff first
#define ss second
#define vi vector<int>
#define no cout << "NO" << endl;
#define yes cout << "YES" << endl;
#define printv(v) \
for (int i = 0; i < (v.size()); i++) \
{ \
cout << v[i] << " "; \
} \
line;
#define onesbits(x) __builtin_popcountll(x)
#define zerobits(x) __builtin_ctzll(x)
#define sp(x, y) fixed << setprecision(y) << x
#define w(x) \
int x; \
cin >> x; \
while (x--)
#define tk(x) \
int x; \
cin >> x;
#define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#ifndef ONLINE_JUDGE
#define debug(x) \
cerr << #x << " "; \
_print(x); \
cerr << endl;
#else
#define debug(x)
#endif
template <class T>
void _print(T t)
{
cerr << t;
}
template <class T, class V>
void _print(pair<T, V> p)
{
cerr << "{";
_print(p.ff);
cerr << ",";
_print(p.ss);
cerr << "}";
}
template <class T>
void _print(vector<T> v)
{
cerr << "[ ";
for (T i : v)
{
_print(i);
cerr << " ";
}
cerr << "]";
}
template <class T>
void _print(vector<vector<T>> v)
{
cerr << "[\n";
for (int l = 0; l < v.size(); l++)
{
{
for (int k = 0; k < v[l].size(); k++)
cerr << v[l][k] << " ";
}
cerr << "\n";
}
cerr << "]";
}
template <class T, class V>
void _print(map<T, V> v)
{
cerr << "[ ";
for (auto i : v)
{
_print(i);
cerr << " ";
}
cerr << "]";
}
template <class T>
void _print(set<T> v)
{
cerr << "[ ";
for (T i : v)
{
_print(i);
cerr << " ";
}
cerr << "]";
}
const long long inf = 1e18;
const int MOD = 1e9 + 7;
const int MAX = 1e6;
int numbit(int x)
{
int ans = 0;
while (x > 0)
{
x = x >> 1;
ans++;
}
return ans;
}
int setbit(int x)
{
int ans = 0;
while (x > 0)
{
if (x & 1)
{
ans++;
}
x = x >> 1;
}
return ans;
}
bool isValid(string s)
{
int len = s.size();
for (int i = 0; i < len / 2; i++)
{
if (s[i] != s[len - 1 - i])
return false;
}
return true;
}
void rotateMatrix(vector<vector<int>> &v, int n)
{
for (int i = 0; i < n / 2; i++)
{
for (int j = i; j < n - i - 1; j++)
{
int ptr = v[i][j];
v[i][j] = v[n - 1 - j][i];
v[n - 1 - j][i] = v[n - 1 - i][n - 1 - j];
v[n - 1 - i][n - 1 - j] = v[j][n - 1 - i];
v[j][n - 1 - i] = ptr;
}
}
}
vector<bool> is_prime(10001, 1);
vector<int> primes;
void seive()
{
is_prime[0] = 0;
is_prime[1] = 0;
for (int i = 2; i < 10001; i++)
{
if (is_prime[i])
{
primes.push_back(i);
for (int j = i + i; j < 10001; j += i)
{
is_prime[j] = 0;
}
}
}
}
ll expo (ll x,ll n){
ll result=1;
while (n) {
if (n & 1)
result = result * x % MOD;
n = n / 2;
x = x * x % MOD;
}
return result;
}
int32_t main() {
ll t; cin >> t;
// seive();
while (t--) {
ll a,b;
ll count =0;
cin>>a>>b;
ll num = abs(a-b);
for(ll i =1;i*i<=num;i++){
if(num%i==0) {
if(num/i==i) count++;
else count+=2;}
}
cout<<count<<endl;
}
return 0;
}
// 1b 4dExam Cheating CodeChef Solution in PYTH 3
import math
for _ in range(int(input())):
A, B = list(map(int, input().split()))
if A == B:
print(-1)
continue
x = abs(A-B)
factors = set()
for i in range(1, int(math.sqrt(x)) + 1):
if x % i == 0: factors.add(i); factors.add(x//i)
print(len(factors))Exam Cheating CodeChef Solution in C
#include <stdio.h>
#include<math.h>
int main(void) {
int t;
scanf("%d",&t);
while(t--)
{
int p=0,a,b;
scanf("%d %d",&a,&b);
int max=abs(a-b);
if(a==b)
printf("-1\n");
else
{
for(int i=1;i<=sqrt(max);i++)
{
if(max%i==0)
{
if(max/i==i)
p+=1;
else
p+=2;
}
}
printf("%d\n",p);
}
}
return 0;
}Exam Cheating CodeChef Solution in JAVA
import java.util.*;
import java.lang.*;
import java.io.*;
class ExamCht {
public static void main(String[] args) throws java.lang.Exception {
Scanner s = new Scanner(System.in);
int t = s.nextInt();
while (t-- > 0){
int A = s.nextInt();
int B = s.nextInt();
int min;
int x;
if (A < B){
min = A;
x = B-A;
}
else {
min = B;
x = A-B;
}
int p = 0;
for (int j = 1; j <= Math.sqrt(x);j++){
if (x%j == 0 && j != Math.sqrt(x)){
p+=2;
}
else if (x%j == 0 && j == Math.sqrt(x)){
p++;
}
}
System.out.println(p);
}
}
}Exam Cheating CodeChef Solution in PYPY 3
from math import *
for _ in range(int(input())):
A, B = map(int, input().split())
if A == B:
print(-1)
continue
g = abs(A - B)
j, ans = 1, 0
while j * j <= g:
if g % j == 0:
ans += 1 + (g // j != j)
j += 1
print(ans)Exam Cheating CodeChef Solution in PYTH
N = 11000 # value of N required for prime generation
def primesieve(N):
n = N+1
sieve = [True] * (n/2)
for i in xrange(3,int(n**0.5)+1,2):
if sieve[i/2]:
sieve[i*i/2::i] = [False] * ((n-i*i-1)/(2*i)+1)
# endif
# endfor i
return [2] + [2*i+1 for i in xrange(1,n/2) if sieve[i]]
# end fun
primes = primesieve(N)
def Getfactors(n):
F = []
np = len(primes)
p = -1
while (n > 1) and (p < np-1):
p += 1
pn = primes[p]
if n%pn == 0:
ct = 0
while n % pn == 0:
n = n / pn
ct += 1
#endwhile
F.append([pn,ct])
# endif
if (pn > n/pn) and (n > pn):
F.append([n,1])
n = 1
# endif
# endwhile
return F
#endwhile
t = int(raw_input())
for i in range(t):
st = raw_input().split()
A = int(st[0])
B = int(st[1])
if A == B:
r = -1
else:
n = abs(A-B)
r = 1
if n > 1:
F = Getfactors(n)
for f in F:
k = f[1]
r = r*(k+1)
# endfor f
# endif
# endif
print r
# endfor i
Exam Cheating CodeChef Solution in C#
using System.Linq;
using System;
namespace COOK114B
{
class Program
{
static void Main(string[] args)
{
int T = int.Parse(Console.ReadLine());
for (int i = 0; i < T; i++)
{
int d, res;
var data = Console.ReadLine().Split().Select(x=>int.Parse(x)).ToArray();
d = Math.Abs(data[0]-data[1]);
res = (int)Math.Sqrt(d)==(double)Math.Sqrt(d)? -1 : 0;
for (int j = 1; j < (int)Math.Sqrt(d)+1; j++)
{
if(d%j==0){
res += 2;
}
}
Console.WriteLine(res);
}
}
}
}Exam Cheating CodeChef Solution in GO
package main
import (
"bufio"
"fmt"
"os"
)
func readInt(bytes []byte, from int, val *int) int {
i := from
sign := 1
if bytes[i] == '-' {
sign = -1
i++
}
tmp := 0
for i < len(bytes) && bytes[i] != ' ' {
tmp = tmp*10 + int(bytes[i]-'0')
i++
}
*val = tmp * sign
return i
}
func readNum(scanner *bufio.Scanner) (a int) {
scanner.Scan()
readInt(scanner.Bytes(), 0, &a)
return
}
func readTwoNums(scanner *bufio.Scanner) (a int, b int) {
res := readNNums(scanner, 2)
a, b = res[0], res[1]
return
}
func readNNums(scanner *bufio.Scanner, n int) []int {
res := make([]int, n)
x := 0
scanner.Scan()
for i := 0; i < n; i++ {
for x < len(scanner.Bytes()) && scanner.Bytes()[x] == ' ' {
x++
}
x = readInt(scanner.Bytes(), x, &res[i])
}
return res
}
func fillNNums(scanner *bufio.Scanner, n int, res []int) {
x := 0
scanner.Scan()
for i := 0; i < n; i++ {
for x < len(scanner.Bytes()) && scanner.Bytes()[x] == ' ' {
x++
}
x = readInt(scanner.Bytes(), x, &res[i])
}
}
func readUint64(bytes []byte, from int, val *uint64) int {
i := from
var tmp uint64
for i < len(bytes) && bytes[i] != ' ' {
tmp = tmp*10 + uint64(bytes[i]-'0')
i++
}
*val = tmp
return i
}
func readInt64(bytes []byte, from int, val *int64) int {
i := from
var tmp int64
for i < len(bytes) && bytes[i] != ' ' {
tmp = tmp*10 + int64(bytes[i]-'0')
i++
}
*val = tmp
return i
}
func readNInt64Nums(scanner *bufio.Scanner, n int) []int64 {
res := make([]int64, n)
x := -1
scanner.Scan()
for i := 0; i < n; i++ {
x = readInt64(scanner.Bytes(), x+1, &res[i])
}
return res
}
func main() {
scanner := bufio.NewScanner(os.Stdin)
tc := readNum(scanner)
for tc > 0 {
tc--
a, b := readTwoNums(scanner)
fmt.Println(solve(a, b))
}
}
func solve(A, B int) int {
if A == B {
return -1
}
D := abs(A - B)
res := make([]int, 0, 100)
for x := 1; x*x <= D; x++ {
if D%x == 0 {
res = append(res, x)
y := D / x
if x < y {
res = append(res, y)
}
}
}
return len(res)
}
func abs(num int) int {
if num < 0 {
return -num
}
return num
}Exam Cheating CodeChef Solution Review:
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