criyle/codenet-compile-errors huggingface dataset:
Language: C++

#pragma GCC optimize("O3")
#include<bits/stdc++.h> 
#include <atcoder/all>
using namespace atcoder;
using namespace std;
using ll=long long;
using P=pair<ll,ll>;
template<class T> using V=vector<T>; 
#define fi first
#define se second
#define all(v) (v).begin(),(v).end()
const ll inf=(1e18);
const ll mod=1000000007;
ll gcd(ll a,ll b) {return b ? gcd(b,a%b):a;}
ll lcm(ll c,ll d){return c/gcd(c,d)*d;}
struct __INIT{__INIT(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}} __init;
template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; }
ll extgcd(ll a,ll b,ll &x,ll &y){
    if(b==0){
        x=1;y=0;
        return a;
    }
    ll d=extgcd(b,a%b,y,x);
    y-=a/b*x;
    return d;
}
pair<ll, ll> ChineseRem(const vector<ll> &b, const vector<ll> &m) {
  ll r = 0, M = 1;
  for (int i = 0; i < (int)b.size(); ++i) {
    ll p, q;
    ll d = extgcd(M, m[i], p, q);
    if ((b[i] - r) % d != 0) return make_pair(0, -1);
    ll tmp = (b[i] - r) / d * p % (m[i]/d);
    r += M * tmp;
    M *= m[i]/d;
  }
  r=(r%M+M)%M;
  return make_pair(r, M);
}
vector<ll> divisor(ll n){
	vector<ll> ret;
	for(ll i=1;i*i<=n;i++){
		if(n%i==0){
			ret.push_back(i);
            if(i*i!=n)ret.push_back(n/i);
		}
	}
	sort(ret.begin(),ret.end());
	return(ret);
}
int main(){
    ll n;
    cin>>n;
    n*=2;
    V<ll> d=divisor(n);
    ll ans=inf;
    for(ll v:d){
        V<ll> b={0,n/v-1},m={v,n/v};
         P res=crm(b,m);
          if(res.fi!=0){
            chmin(ans,res.fi);
          }
    }
    cout<<ans<<"\n";
}


Compiler output:
a.cc:3:10: fatal error: atcoder/all: No such file or directory
    3 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
#define fs first
#define sc second
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define ALL(A) A.begin(),A.end()
#define RALL(A) A.rbegin(),A.rend()
typedef long long ll;
typedef pair<ll,ll> P;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<typename T> T gcd(T a,T b){return b?gcd(b,a%b):a;}
const ll MOD=998244353;
const ll LINF=1ll<<60;
const int INF=1<<30;
int dx[]={1,0,-1,0,1,-1,1,-1};
int dy[]={0,1,0,-1,1,-1,-1,1};




vector<ll> divi(ll K){
    vector<ll> v;
    for(ll i=1;i*i<=K;i++){
        if(K%i) continue;
        v.pb(i);
        v.pb(K/i);
    }
    sort(ALL(v));
    v.erase(unique(ALL(v)),v.end());
    return v;
}



int main(){
    ll n;cin >> n;
    auto p = divi(2 * n);
    ll ans = LINF;
    for (int i = 0; i < p.size(); i++) {
        vector<ll> r({0, -1});
        vector<ll> m({p[i], 2 * n / p[i]});
        auto x = crt(r, m);
        if(x.fs == 0) continue;
        chmin(ans, x.fs);
    }
    cout << ans << endl;
    return 0;
}



Compiler output:
a.cc:2:9: fatal error: atcoder/all: No such file or directory
    2 | #include<atcoder/all>
      |         ^~~~~~~~~~~~~
compilation terminated.
Language: C

#include<bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
using ll=long long;

int main(){
 ll n,k=1;
 cin >> n;
 
 while(true){
   ll a=k*(k+1)/2;
  
   if(a%n==0){
     cout << k << endl;
     return 0;
   }
   k++;
 }
  
}

Compiler output:
main.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

//
//*****************
//Created by corol
//*****************
//

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
#define wv(a, n) for (int i=0;i<(n);i++) {cin >> (a)[i];}
#define w(t) while (t--)
#define vi vector <int>
#define vs vector <string>
#define vll vector <long long>
#define vii vector <pair <int,int>>
#define MM <<
#define all(x) sort((x).begin(), (x).end());
#define rall(x) sort((x).rbegin(), (x).rend());
#define it int64_t
it mod = 1000000007;


template<class A>
void read(vector<A> &v);

template<class A, size_t S>
void read(array<A, S> &a);

template<class T>
void read(T &x) {
    cin >> x;
}

template<class H, class... T>
void read(H &h, T &... t) {
    read(h);
    read(t...);
}

template<class T>
void print(T &x) {
    cout << x;
}

struct graph {
    int first, second;
};

bool cmputd(pair<int, int> a, pair<int, int> b) {
    return a.first > b.first;
}

bool cmpdtu(pair<int, int> a, pair<int, int> b) {
    return a.first < b.first;
}

bool cmpdtu_struct(graph a, graph b) {
    return a.first < b.first;
}

void test_cases();

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    test_cases();
    //cout << "Time elapsed: " << 1.000 * clock() / CLOCKS_PER_SEC << " ms. \n";
    return 0;
}

int d_min(vector<int> &a, int p) {
    int l = -1;
    int r = (int) a.size();
    while (r > l + 1) {
        int m = (l + r) / 2;
        if (a[m] <= p) l = m;
        else r = m;
    }
    return l;
}

int d_max(vector<int> &a, int p) {
    int l = -1;
    int r = (int) a.size();
    while (r > l + 1) {
        int m = (l + r) / 2;
        if (a[m] < p) l = m;
        else r = m;
    }
    return r;
}

void test_cases() {
    it n;
    cin >> n;
    cout << (n*(n+1))/2
    
}



Compiler output:
a.cc: In function 'void test_cases()':
a.cc:97:24: error: expected ';' before '}' token
   97 |     cout << (n*(n+1))/2
      |                        ^
      |                        ;
   98 | 
   99 | }
      | ~
Language: C++

#include <bits/stdc++.h>
#include<atcoder/all>
#define ll long long

ll a, n, l, i;

void f(ll x, ll y) {
  if ((i = __gcd(x,y) > 1 ? 0 : atcoder::inv_mod(x,y)) > 0)
    a = std::min({a, i * x - 1, (y-i) * x});
}

int main() {
  std::cin >> n; a = n + (n & 1 ^ 1);
  for (ll d = 1; d * d <= n; d++)
    if (n % d == 0)
      f(2 * d, n / d), f(2 * n / d, d);
  std::cout << a << "\n";
}

Compiler output:
a.cc:2:9: fatal error: atcoder/all: No such file or directory
    2 | #include<atcoder/all>
      |         ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll=long long;
using Graph=vector<vector<pair<int,int>>>;
#define MOD 1000000007
#define INF 1000000000

//gcd(a,b)=a*x-byの解(x1,y1)を返す
// or 1=a*x-byの解、解がなければ(0,0)を返す。
//一般解 (x,y)=(b/gcd(a,b)*t+x1,a/gcd(a,b)*t+y1)
pair<ll,ll> solve(ll a,ll b){
  vector<ll> p,q,r,d;
  p.push_back(a);
  q.push_back(b);
  d.push_back(a/b);
  r.push_back(a%b);
  ll i=0;
  while(r[i]>0){
    p.push_back(q[i]);
    q.push_back(r[i]);
    d.push_back(q[i]/r[i]);
    r.push_back(q[i]%r[i]);
    i++;
  }
  ll gcd=q[i];
  if(q[i]!=1)return make_pair(0,0);
  i--;
  ll aa=1;
  ll bb=1;
  ll cc=0;
  while(i>0){
    i--;
    ll tmp=-bb*d[i+1]-cc;
    cc=-aa;
    aa=tmp;
    bb=tmp;
  }
  ll t;
  if(aa>0){
    t=aa/(b/gcd);
  }else{
    t=(-aa)/(b/gcd)+1;
  }
  return make_pair(aa+(b/gcd)*t,bb*d[i]+cc+(a/gcd)*t);
}

int main(){
  ll N;
  cin>>N;
  ll i=1;
  vector<ll> divd1;
  while(i*i<=N){
    if(N%i==0){
      divd1.push_back(i);
      divd1.push_back(N/i);
    }
    ++i;
  }

  int n=divd1.size();
  ll ans=2*N;
  if(N==1){
    cout<<1<<endl;
    return 0;
  }
  for(int i=0;i<n;++i){
    ll x=divd1[i];
    ll y=N/x;
    pair<ll,ll> a;
    a=solve(y,2*x);
    if(a.second>0){
      ans=min(ans,2*x*a.second);
    }
    a=solve(2*x,y);
    if(a.second>0){
      ans=min(ans,y*a.second);
    }
    a=solve(2*y,x);
    if(a.second>0){
      ans=min(ans,x*a.second);
    }
    if(x>1){
      a=solve(x,2*y);
      if(a.second>0){
        ans=min(ans,2*y*a.second);
      }
    }

  }
  cout<<ans<<endl;
}


Compiler output:
a.cc:3:10: fatal error: atcoder/all: No such file or directory
    3 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#include<atcoder/all>
typedef long long ll;
using namespace std;
using namespace atcoder;

ll ans, n, l, i;

void upd(ll x, ll y) {
  if ((i = __gcd(x,y) > 1 ? 0 : inv_mod(a*x,y)) > 0)
    ans = min({ans, i * x - 1, (y-i) * x});
}

int main() {
  cin >> n; ans = n + (n % 2 == 0);
  for (ll d = 1; d * d <= n; d++)
    if (n % d == 0)
      upd(2 * d, n / d), upd(2 * n / d, d);
  cout << ans << "\n";
}

Compiler output:
a.cc:2:9: fatal error: atcoder/all: No such file or directory
    2 | #include<atcoder/all>
      |         ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#include<atcoder/all>
typedef long long ll;
using namespace std;

ll ans, a = 2, n, l, i;

void upd(ll x, ll y) {
  if ((i = __gcd(x,y) > 1 ? 0 : inv_mod(a*x,y)) > 0)
    ans = min({ans, i * x * a - 1, (y-i) * x * a});
}

int main() {
  cin >> n; ans = n + (n % 2 == 0);
  while (n % 2 == 0)
    a *= 2, n /= 2;
  for (ll d = 1; d * d <= n; d++)
    if (n % d == 0)
      upd(d, n / d), upd(n / d, d);
  cout << ans << "\n";
}

Compiler output:
a.cc:2:9: fatal error: atcoder/all: No such file or directory
    2 | #include<atcoder/all>
      |         ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll=long long;
using Graph=vector<vector<pair<int,int>>>;
#define MOD 1000000007
#define INF 1000000000

//gcd(a,b)=a*x-byの解(x1,y1)を返す
// or 1=a*x-byの解、解がなければ(0,0)を返す。
//一般解 (x,y)=(b/gcd(a,b)*t+x1,a/gcd(a,b)*t+y1)
pair<ll,ll> solve(ll a,ll b){
  vector<ll> p,q,r,d;
  p.push_back(a);
  q.push_back(b);
  d.push_back(a/b);
  r.push_back(a%b);
  ll i=0;
  while(r[i]>0){
    p.push_back(q[i]);
    q.push_back(r[i]);
    d.push_back(q[i]/r[i]);
    r.push_back(q[i]%r[i]);
    i++;
  }
  ll gcd=q[i];
  if(q[i]!=1)return make_pair(0,0);
  i--;
  ll aa=1;
  ll bb=1;
  ll cc=0;
  while(i>0){
    i--;
    ll tmp=-bb*d[i+1]-cc;
    cc=-aa;
    aa=tmp;
    bb=tmp;
  }
  ll t;
  if(aa>0){
    t=aa/(b/gcd);
  }else{
    t=(-aa)/(b/gcd)+1;
  }
  return make_pair(aa+(b/gcd)*t,bb*d[i]+cc+(a/gcd)*t);
}

int main(){
  ll N;
  cin>>N;
  ll i=1;
  ll res=0;
  vector<ll> divd1;
  while(i*i<=N){
    if(N%i==0){
      divd1.push_back(i);
      divd1.push_back(N/i);
    }
    ++i;
  }

  int n=divd1.size();
  ll ans=2*N;
  for(int i=0;i<n;++i){
    ll x=divd1[i];
    ll y=N/x;
    pair<ll,ll> a;
    a=solve(y,2*x);
    if(a.second>0){
      ans=min(ans,2*x*a.second);
    }
    a=solve(2*x,y);
    if(a.second>0){
      ans=min(ans,y*a.second);
    }
  }
  cout<<ans<<endl;
}


Compiler output:
a.cc:3:10: fatal error: atcoder/all: No such file or directory
    3 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<atcoder/math>
#include<bits/stdc++.h>
using namespace std;
int const nax = 3e5 + 10;
int64_t n;
vector <int64_t> fac;
int64_t ans = 1e18;


/// find answer a*x+b*y=gcd(a,b)
/// ref: cp-algo
int64_t ex_gcd(int64_t a, int64_t b, int64_t& x, int64_t& y) {
    x = 1, y = 0;
    int64_t x1 = 0, y1 = 1, a1 = a, b1 = b;
    while (b1) {
        int64_t q = a1 / b1;
        tie(x, x1) = make_pair(x1, x - q * x1);
        tie(y, y1) = make_pair(y1, y - q * y1);
        tie(a1, b1) = make_pair(b1, a1 - q * b1);
    }
    return a1;
}


void check(int64_t x, int64_t y) {
    int64_t foo, bar;
    ex_gcd(x, y, foo, bar);
    int64_t real_foo = foo * x;
    int64_t real_bar = -y * bar;
    if (real_bar > 0) ans = min(ans, real_bar);
    else {
        int64_t need = 1 - real_bar;
        int64_t add = (need + n - 1) / n;
        real_bar += add * n;
        ans = min(ans, real_bar);

    }
}

int main() {

    cin >> n;
    n <<= 1;

    for (int64_t i = 1 ; i * i <= n ; ++ i)
        if (n % i == 0 && gcd(i, n / i) == 1)
            check(i, n / i);

    cout << ans << '\n';
}


Compiler output:
a.cc:1:9: fatal error: atcoder/math: No such file or directory
    1 | #include<atcoder/math>
      |         ^~~~~~~~~~~~~~
compilation terminated.
Language: Java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

public class Solution {

    private static final int m = 998244353;
    public static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
        long n = sc.nextLong();
        long t = n,rem=0,a=0,b=0;
        do {
            double r = (-1 + Math.sqrt(1 + 4 * (2 * t))) / 2;
            a = (long) Math.ceil(r);
            b = (a * (a + 1)) / 2;
            rem = b%n;
            t = b+(n-rem);
        }while(rem>0);
        System.out.println(a);

    }
}


Compiler output:
Main.java:9: error: class Solution is public, should be declared in a file named Solution.java
public class Solution {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
#include <atcoder/all>

using namespace std;
using namespace atcoder;

typedef long long ll;

ll ans = LLONG_MAX;

void relax (ll a, ll b) {
  // by - ax = 1
  ll r = b - inv_mod(a, b);
  assert(r);
  ans = min(ans, a * r);
}

int main() {
  ll n; cin >> n; n <<= 1;
  for (ll i = 1; i * i <= n; ++i) {
    if (n % i) continue;
    ll j = n / i;
    if (__gcd(i, j) == 1) {
      relax(i, j); relax(j, i);
    }
  }
  cout << ans << '\n';
  return 0;
}



Compiler output:
a.cc:2:10: fatal error: atcoder/all: No such file or directory
    2 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include "bits/stdc++.h"
#include <atcoder/math>
#include <boost/multi_array.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/adaptors.hpp>
#include <boost/range/numeric.hpp>
#include <boost/dynamic_bitset.hpp>
namespace adaptor = boost::adaptors;
using index_t = std::size_t;

namespace lib
{
	using graph_t = std::vector<std::set<index_t>>;
	template<class T>using weighted_graph_t = std::vector<std::map<index_t, T>>;
	template<class T>using pair = std::pair<T, T>;

	struct max_t
	{
		template<class T>constexpr T operator()(T const& lhs, T const& rhs)const
		{
			return std::max(lhs, rhs);
		}
	};
	struct min_t
	{
		template<class T>constexpr T operator()(T const& lhs, T const& rhs)const
		{
			return std::min(lhs, rhs);
		}
	};

	constexpr max_t max;
	constexpr min_t min;

	template<class T>auto order_by(T func)
	{
		return [=](auto&& lhs, auto&& rhs)
		{
			return func(lhs) < func(rhs);
		};
	}

	template<class T>constexpr auto max_v = std::numeric_limits<T>::max();
	template<class T>constexpr auto min_v = std::numeric_limits<T>::min();

	template<class T>using p_queue = std::priority_queue<T, std::vector<T>, std::greater<>>;
	
	template<class T>constexpr T pow(T val, std::uint64_t p)
	{
		auto ret = T(1);
		auto s = 1ULL;
		for (auto i = 0; i < 63; ++i, s <<= 1)
		{
			if (p & s)
			{
				ret *= val;
			}
			val *= val;
		}
		return ret;
	}
}

namespace lib
{
	namespace impl
	{
		template<class T>struct ext_gcd_result_t
		{
			T gcd, x, y;
		};
	}
	template<class T>impl::ext_gcd_result_t<T> ext_gcd(T a, T b)
	{
		impl::ext_gcd_result_t<T> ret{};
		if (b == T())
		{
			ret.gcd = a;
			ret.x = 1;
			ret.y = 0;
		}
		else
		{
			auto prev = ext_gcd(b, a % b);
			prev.y -= a / b * prev.x;
		}
		return ret;
	}
}

void Main()
{
	std::int64_t N;
	std::cin >> N;
	N *= 2;
	std::int64_t min = N;
	for (std::int64_t x = 1; x * x <= N; ++x)
	{
		if (N % x != 0)
		{
			continue;
		}
		auto y = N / x;
		auto [k, kz] = atcoder::crt({ 0LL,-1LL }, { x,y });
		if (k <= 0)
		{
			k %= kz;
			k += kz;
		}
		auto [u, uz] = atcoder::crt({ 0LL,-1LL }, { y,x });
		if (u <= 0)
		{
			u %= uz;
			u += uz;
		}
		min = std::min({ min, k, u });
	}
	std::cout << min << std::endl;
}

int main()
{
	std::cin.tie(nullptr);
	std::ios_base::sync_with_stdio(false);
	std::cout << std::fixed << std::setprecision(15);
	Main();
}

Compiler output:
a.cc:2:10: fatal error: atcoder/math: No such file or directory
    2 | #include <atcoder/math>
      |          ^~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include "bits/stdc++.h"
#include "atcoder/math.hpp"
#include <boost/multi_array.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/adaptors.hpp>
#include <boost/range/numeric.hpp>
#include <boost/dynamic_bitset.hpp>
namespace adaptor = boost::adaptors;
using index_t = std::size_t;

namespace lib
{
	using graph_t = std::vector<std::set<index_t>>;
	template<class T>using weighted_graph_t = std::vector<std::map<index_t, T>>;
	template<class T>using pair = std::pair<T, T>;

	struct max_t
	{
		template<class T>constexpr T operator()(T const& lhs, T const& rhs)const
		{
			return std::max(lhs, rhs);
		}
	};
	struct min_t
	{
		template<class T>constexpr T operator()(T const& lhs, T const& rhs)const
		{
			return std::min(lhs, rhs);
		}
	};

	constexpr max_t max;
	constexpr min_t min;

	template<class T>auto order_by(T func)
	{
		return [=](auto&& lhs, auto&& rhs)
		{
			return func(lhs) < func(rhs);
		};
	}

	template<class T>constexpr auto max_v = std::numeric_limits<T>::max();
	template<class T>constexpr auto min_v = std::numeric_limits<T>::min();

	template<class T>using p_queue = std::priority_queue<T, std::vector<T>, std::greater<>>;
	
	template<class T>constexpr T pow(T val, std::uint64_t p)
	{
		auto ret = T(1);
		auto s = 1ULL;
		for (auto i = 0; i < 63; ++i, s <<= 1)
		{
			if (p & s)
			{
				ret *= val;
			}
			val *= val;
		}
		return ret;
	}
}

namespace lib
{
	namespace impl
	{
		template<class T>struct ext_gcd_result_t
		{
			T gcd, x, y;
		};
	}
	template<class T>impl::ext_gcd_result_t<T> ext_gcd(T a, T b)
	{
		impl::ext_gcd_result_t<T> ret{};
		if (b == T())
		{
			ret.gcd = a;
			ret.x = 1;
			ret.y = 0;
		}
		else
		{
			auto prev = ext_gcd(b, a % b);
			prev.y -= a / b * prev.x;
		}
		return ret;
	}
}

void Main()
{
	std::int64_t N;
	std::cin >> N;
	N *= 2;
	std::int64_t min = N;
	for (std::int64_t x = 1; x * x <= N; ++x)
	{
		if (N % x != 0)
		{
			continue;
		}
		auto y = N / x;
		auto [k, kz] = atcoder::crt({ 0LL,-1LL }, { x,y });
		if (k <= 0)
		{
			k %= kz;
			k += kz;
		}
		auto [u, uz] = atcoder::crt({ 0LL,-1LL }, { y,x });
		if (u <= 0)
		{
			u %= uz;
			u += uz;
		}
		min = std::min({ min, k, u });
	}
	std::cout << min << std::endl;
}

int main()
{
	std::cin.tie(nullptr);
	std::ios_base::sync_with_stdio(false);
	std::cout << std::fixed << std::setprecision(15);
	Main();
}

Compiler output:
a.cc:2:10: fatal error: atcoder/math.hpp: No such file or directory
    2 | #include "atcoder/math.hpp"
      |          ^~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include "bits/stdc++.h"
#include<atcoder/math.hpp>
#include <boost/multi_array.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/adaptors.hpp>
#include <boost/range/numeric.hpp>
#include <boost/dynamic_bitset.hpp>
namespace adaptor = boost::adaptors;
using index_t = std::size_t;

namespace lib
{
	using graph_t = std::vector<std::set<index_t>>;
	template<class T>using weighted_graph_t = std::vector<std::map<index_t, T>>;
	template<class T>using pair = std::pair<T, T>;

	struct max_t
	{
		template<class T>constexpr T operator()(T const& lhs, T const& rhs)const
		{
			return std::max(lhs, rhs);
		}
	};
	struct min_t
	{
		template<class T>constexpr T operator()(T const& lhs, T const& rhs)const
		{
			return std::min(lhs, rhs);
		}
	};

	constexpr max_t max;
	constexpr min_t min;

	template<class T>auto order_by(T func)
	{
		return [=](auto&& lhs, auto&& rhs)
		{
			return func(lhs) < func(rhs);
		};
	}

	template<class T>constexpr auto max_v = std::numeric_limits<T>::max();
	template<class T>constexpr auto min_v = std::numeric_limits<T>::min();

	template<class T>using p_queue = std::priority_queue<T, std::vector<T>, std::greater<>>;
	
	template<class T>constexpr T pow(T val, std::uint64_t p)
	{
		auto ret = T(1);
		auto s = 1ULL;
		for (auto i = 0; i < 63; ++i, s <<= 1)
		{
			if (p & s)
			{
				ret *= val;
			}
			val *= val;
		}
		return ret;
	}
}

namespace lib
{
	namespace impl
	{
		template<class T>struct ext_gcd_result_t
		{
			T gcd, x, y;
		};
	}
	template<class T>impl::ext_gcd_result_t<T> ext_gcd(T a, T b)
	{
		impl::ext_gcd_result_t<T> ret{};
		if (b == T())
		{
			ret.gcd = a;
			ret.x = 1;
			ret.y = 0;
		}
		else
		{
			auto prev = ext_gcd(b, a % b);
			prev.y -= a / b * prev.x;
		}
		return ret;
	}
}

void Main()
{
	std::int64_t N;
	std::cin >> N;
	N *= 2;
	std::int64_t min = N;
	for (std::int64_t x = 1; x * x <= N; ++x)
	{
		if (N % x != 0)
		{
			continue;
		}
		auto y = N / x;
		auto [k, kz] = atcoder::crt({ 0LL,-1LL }, { x,y });
		if (k <= 0)
		{
			k %= kz;
			k += kz;
		}
		auto [u, uz] = atcoder::crt({ 0LL,-1LL }, { y,x });
		if (u <= 0)
		{
			u %= uz;
			u += uz;
		}
		min = std::min({ min, k, u });
	}
	std::cout << min << std::endl;
}

int main()
{
	std::cin.tie(nullptr);
	std::ios_base::sync_with_stdio(false);
	std::cout << std::fixed << std::setprecision(15);
	Main();
}

Compiler output:
a.cc:2:9: fatal error: atcoder/math.hpp: No such file or directory
    2 | #include<atcoder/math.hpp>
      |         ^~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef  long long ll;

#define pf printf
#define pi acos(-1.0)
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define pb push_back
#define mp make_pair
#define sz(v) ((int)(v).size())
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define PER(i,n) for(int i=(n-1);i>=(0);--i)
#define REPSZ(i,v) REP(i,SZ(v))
#define pll pair <ll, ll>

const ll mxn = 2e5+5;
ll mod = 1e9+7;
bitset<mxn>used;
set<ll>uni;
map<string,ll>index;
ll arr[mxn];
ll c[mxn];
ll parent[mxn];
ll Size[mxn];
double eps = 1e-7;
ll n,k;
void print(vector <ll> &v){cout << v.size() << endl;for(int i = 0; i < v.size(); i++){pf("%lld ", v[i]);}pf("\n");}
void print(vector <pll> &v){ cout << v.size() << endl; for(int i = 0; i < v.size(); i++){pf("%lld %lld\n", v[i].first, v[i].second);}}
void print(set<ll> s){set <ll> :: iterator itr;for (itr = s.begin(); itr != s.end(); ++itr){cout << *itr << " ";}cout << endl;}
void print(double d){cout << fixed << setprecision(12) << d << endl;}
void print (ll *arr){REP(i,n)cout << arr[i] << " "; cout << endl;}

void from_file(void){ freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);}

/* ------------------main section-------------! */


void run() {
    fastio;
    cin >> n;
    ll tem = sqrt(2*n)-1;
    //cout << tem << endl; 
    //ll c = 0;
    for(ll i = tem; i < 2*n; i++)
    {
        //c++;
        ll sum = (i*(i+1))/2;
        if(sum%n) continue;
        cout << i << endl;
        break;
    }
    //cout << c << endl;
}

int main() {
    #ifndef ONLINE_JUDGE
       from_file();
    #endif
    run();
    return 0;
}


Compiler output:
a.cc:22:15: error: 'std::map<std::__cxx11::basic_string<char>, long long int> index' redeclared as different kind of entity
   22 | map<string,ll>index;
      |               ^~~~~
In file included from /usr/include/string.h:462,
                 from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:1:
/usr/include/strings.h:50:20: note: previous declaration 'const char* index(const char*, int)'
   50 | extern const char *index (const char *__s, int __c)
      |                    ^~~~~
Language: C++

// #define _GLIBCXX_DEBUG
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
using ll = long long; using ull = unsigned long long;
using pii = pair<int, int>; using vi = vector<int>; using vvi = vector<vi>; using puu = pair<uint, uint>; using vu = vector<uint>; using vvu = vector<vu>;
using pll = pair<ll, ll>; using vl = vector<ll>; using vvl = vector<vl>; // using pulul = pair<ull, ull>; using vul = vector<ull>; using vvul = vectro<vul>;
using vb = vector<bool>; using vvb = vector<vb>;
#define rep0(TMS) for (int CNT = 0; CNT < (int)(TMS); CNT++)
#define rep(CNT, GOAL) for (int CNT = 0; CNT < (int)(GOAL); CNT++)
#define rep2(CNT, START, GOAL) for (int CNT = (int)(START); CNT < (int)(GOAL); CNT++)
#define rep3(CNT, START, GOAL) for (int CNT = (int)(START); CNT > (int)(GOAL); CNT--)
#define all(CONT) begin(CONT), end(CONT)
template <typename T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template <typename T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; }
void prec(const int &DIG) { cout << fixed << setprecision(DIG); cerr << fixed << setprecision(DIG); }
template <typename T> void CERR(const T &ELEM) { cerr << ELEM; }
#define dbl(OBJ) cerr << #OBJ << ": "; CERR(OBJ); cerr << "\n"
template <typename T, typename ...Ts> void CERR(const T &FIRST, const Ts &...REST) { CERR(FIRST); cerr << ", "; CERR(REST...); }
#define dbs(...) cerr << "(" << #__VA_ARGS__ << "): ("; CERR(__VA_ARGS__); cerr << ")\n"
#define itrep(ITR, CONT) for (auto ITR = begin(CONT); ITR != end(CONT); ITR++)
template <typename T> void CERR(const vector<T> &VEC) { cerr << "{ "; itrep(ITR, VEC) { CERR(*ITR); cerr << ", "; } cerr << "}"; }
#define YN(FLG) cout << (FLG ? "YES" : "NO") << "\n"
#define Yn(FLG) cout << (FLG ? "Yes" : "No") << "\n"
#define yn(FLG) cout << (FLG ? "yes" : "no") << "\n"

#include <atcoder/all>

using namespace atcoder;

const ll INF = LONG_LONG_MAX;
// const int INF = INT_MAX;
// const ll MOD = 1000000007; // 998244353;

vector<pll> pf(ll x) {
	vector<pll> res;
	ll p = 2;
	while (p * p <= x) {
		if (x % p == 0) {
			ll d = 0;
			while (x % p == 0) {
				x /= p;
				d++;
			}
			res.push_back(pll(p, d));
		}
		p++;
	}
	if (x > 1) res.push_back(pll(x, 1));
	return res;
}

ll solve(int i, vl &m) {
	vl r; // 余り(0 or -1)
	rep(j, m.size()) {
		if (i & (1 << j)) {
			r.push_back(m[j] - 1);
		} else {
			r.push_back(0);
		}
	}
	// dbl(i); dbl(r);
	auto [res, M] = crt(r, m);
	// dbs(res, M);
	return res;
}

int main() {
	ll N; cin >> N;
	vector<pll> v = pf(N * 2); // 2Nの素因数分解
	int d = v.size(); // 2Nの異なる素因数の個数
	// rep(i, d) {
	// 	dbs(v[i].first, v[i].second);
	// }
	vl m; // 法
	rep(i, d) {
		ll t = 1;
		rep0(v[i].second) t *= v[i].first; // p^d
		m.push_back(t);
	}
	// dbl(m); // 法
	ll ans = INF;
	rep2(i, 1, 1 << d) { // 0以外の2^d-1通り試す
		chmin(ans, solve(i, m)); // i(に対応するベクトル),法
	}
	cout << ans << endl;
}

Compiler output:
a.cc:27:10: fatal error: atcoder/all: No such file or directory
   27 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++


#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#define int long long

using namespace std;

bool is_prime(int x) {
	if (x == 1)
		return false;
	if (x == 2 || x == 3)
		return true;
	if (x % 6 != 1 && x % 6 != 5)
		return false;
	int s = sqrt(x);
	for (int i = 5; i <= s; i += 6)
		if (x % i == 0 || x % (i + 2) == 0)
			return false;
	return true;
}
map<int, int> c;
void prime_diecom(int n, set<int>& st)
{
	for (int i = 2; i <= n; i++) {
		while (n != i) {
			if (n % i == 0) {
				st.insert(i);
				c[i]++;
				n = n / i;
			}
			else
				break;
		}
		if (is_prime(n)) {
			st.insert(n);
			c[n]++;
			break;
		}
	}
}

int N, cnt, p[5000], ans = 1e9; set<int> p_;

pair<int, int> exgcd(int a, int b)
{
	if (b == 0) return make_pair(1, 0);
	pair<int, int> nw = exgcd(b, a % b);
	return make_pair(nw.second, nw.first - a / b * nw.second);
}

long long fastPower(long long base, long long power) {
	long long result = 1;
	while (power > 0) {
		if (power & 1) {//此处等价于if(power%2==1)
			result = result * base;
		}
		power >>= 1;//此处等价于power=power/2
		base = (base * base);
	}
	return result;
}
void dfs(int x, int s1, int s2)
{
	if (x == cnt + 1)
	{
		//cout << s1 << " " << s2 << endl;
		pair<int, int> k = exgcd(s1, s2);
		/*if (k.first == 0)
		{
			k.first += s2;
			k.second -= s1;
		}
		if (k.second == 0)
		{
			k.first += s2;
			k.second -= s1;
		}
		ans = min(ans, max(abs(k.first * s1), abs(k.second * s2)));*/
		if (k.first <= 0)
		{
			int t = ceil((-k.first) * 1.0 / s1);
			k.first += t * s2;
			k.second -= t * s1;
			
			
		}if (k.first == 0)
			{
				k.first += s2;
				k.second -= s1;
			}
			if (k.second == 0)
			{
				k.first += s2;
				k.second -= s1;
			}
		ans = min(ans, min(abs(k.first * s1), abs(k.second * s2)));
		if (k.second <= 0)
		{
			int t = ceil((-k.second) * 1.0 / s1);
			k.first -= t * s2;
			k.second += t * s1;
			
			
		}if (k.first == 0)
			{
				k.first -= s2;
				k.second += s1;
			}
			if (k.second == 0)
			{
				k.first -= s2;
				k.second += s1;
			}
		ans = min(ans, min(abs(k.first * s1), abs(k.second * s2)));
		return;
	}
	dfs(x + 1, s1 * fastPower(p[x], c[p[x]]), s2);
	dfs(x + 1, s1, s2 * fastPower(p[x], c[p[x]]));
}

signed main()
{
	cin >> N; N *= 2;
	prime_diecom(N, p_);
	for (set<int>::iterator it = p_.begin(); it != p_.end(); it++)
	{
		p[++cnt] = *it;
	}
	dfs(1, 1, 1);
	cout << ans << endl;

	return 0;
}


Compiler output:
a.cc: In function 'bool is_prime(long long int)':
a.cc:17:17: error: 'sqrt' was not declared in this scope
   17 |         int s = sqrt(x);
      |                 ^~~~
a.cc: In function 'void dfs(long long int, long long int, long long int)':
a.cc:83:33: error: 'ceil' was not declared in this scope
   83 |                         int t = ceil((-k.first) * 1.0 / s1);
      |                                 ^~~~
a.cc:101:33: error: 'ceil' was not declared in this scope
  101 |                         int t = ceil((-k.second) * 1.0 / s1);
      |                                 ^~~~
Language: C++

#include <iostream>
#include <vector>
using namespace std;

vector<pair<long long, long long> > prime_factorize(long long N) {
    vector<pair<long long, long long> > res;
    for (long long a = 2; a * a <= N; ++a) {
        if (N % a != 0) continue;
        long long ex = 0; // 指数

        // 割れる限り割り続ける
        while (N % a == 0) {
            ++ex;
            N /= a;
        }

        // その結果を push
        res.push_back({a, ex});
    }

    // 最後に残った数について
    if (N != 1) res.push_back({N, 1});
    return res;
}

int main() {
  	int temp;
    long long N;
    cin >> N;
    const auto &res = prime_factorize(N);
    for (auto p : res) {
        for (int i = 0; i < p.second; ++i) temp = p.first;
    }
  	for (int i = 0; i < N; i++) {
      if (temp*i % N == 0) [
        cout << temp*i << endl;
    }
        }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:9: warning: capture of variable 'std::cout' with non-automatic storage duration
   36 |         cout << temp*i << endl;
      |         ^~~~
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::ostream std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:36:13: error: expected ',' before '<<' token
   36 |         cout << temp*i << endl;
      |             ^~~
      |             ,
a.cc:36:14: error: expected identifier before '<<' token
   36 |         cout << temp*i << endl;
      |              ^~
a.cc:36:31: error: expected ']' before ';' token
   36 |         cout << temp*i << endl;
      |                               ^
      |                               ]
a.cc: In lambda function:
a.cc:36:31: error: expected '{' before ';' token
a.cc: At global scope:
a.cc:39:1: error: expected declaration before '}' token
   39 | }
      | ^
Language: C++


#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#define int long long

using namespace std;

bool is_prime(int x) {
	if (x == 1)
		return false;
	if (x == 2 || x == 3)
		return true;
	if (x % 6 != 1 && x % 6 != 5)
		return false;
	int s = sqrt(x);
	for (int i = 5; i <= s; i += 6)
		if (x % i == 0 || x % (i + 2) == 0)
			return false;
	return true;
}
map<int, int> c;
void prime_diecom(int n, set<int>& st)
{
	for (int i = 2; i <= n; i++) {
		while (n != i) {
			if (n % i == 0) {
				st.insert(i);
				c[i]++;
				n = n / i;
			}
			else
				break;
		}
		if (is_prime(n)) {
			st.insert(n);
			c[n]++;
			break;
		}
	}
}

int N, cnt, p[5000], ans = 1e9; set<int> p_;

pair<int, int> exgcd(int a, int b)
{
	if (b == 0) return make_pair(1, 0);
	pair<int, int> nw = exgcd(b, a % b);
	return make_pair(nw.second, nw.first - a / b * nw.second);
}

long long fastPower(long long base, long long power) {
	long long result = 1;
	while (power > 0) {
		if (power & 1) {//此处等价于if(power%2==1)
			result = result * base;
		}
		power >>= 1;//此处等价于power=power/2
		base = (base * base);
	}
	return result;
}
void dfs(int x, int s1, int s2)
{
	if (x == cnt + 1)
	{
		//cout << s1 << " " << s2 << endl;
		pair<int, int> k = exgcd(s1, s2);
		/*if (k.first == 0)
		{
			k.first += s2;
			k.second -= s1;
		}
		if (k.second == 0)
		{
			k.first += s2;
			k.second -= s1;
		}
		ans = min(ans, max(abs(k.first * s1), abs(k.second * s2)));*/
		if (k.first <= 0)
		{
			int t = ceil((-k.first) * 1.0 / s1);
			k.first += t * s2;
			k.second -= t * s1;
			
			
		}if (k.first == 0)
			{
				k.first += s2;
				k.second -= s1;
			}
			if (k.second == 0)
			{
				k.first += s2;
				k.second -= s1;
			}
		ans = min(ans, min(abs(k.first * s1), abs(k.second * s2)));
		if (k.second <= 0)
		{
			int t = ceil((-k.second) * 1.0 / s1);
			k.first -= t * s2;
			k.second += t * s1;
			
			
		}if (k.first == 0)
			{
				k.first -= s2;
				k.second += s1;
			}
			if (k.second == 0)
			{
				k.first -= s2;
				k.second += s1;
			}
		ans = min(ans, min(abs(k.first * s1), abs(k.second * s2)));
		return;
	}
	dfs(x + 1, s1 * fastPower(p[x], c[p[x]]), s2);
	dfs(x + 1, s1, s2 * fastPower(p[x], c[p[x]]));
}

signed main()
{
	cin >> N;
	prime_diecom(N, p_);
	for (set<int>::iterator it = p_.begin(); it != p_.end(); it++)
	{
		p[++cnt] = *it;
	}
	dfs(1, 1, 1);
	cout << ans << endl;

	return 0;
}


Compiler output:
a.cc: In function 'bool is_prime(long long int)':
a.cc:17:17: error: 'sqrt' was not declared in this scope
   17 |         int s = sqrt(x);
      |                 ^~~~
a.cc: In function 'void dfs(long long int, long long int, long long int)':
a.cc:83:33: error: 'ceil' was not declared in this scope
   83 |                         int t = ceil((-k.first) * 1.0 / s1);
      |                                 ^~~~
a.cc:101:33: error: 'ceil' was not declared in this scope
  101 |                         int t = ceil((-k.second) * 1.0 / s1);
      |                                 ^~~~
Language: C++

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

#define fi first
#define se second
#define pb push_back

typedef long long ll;
typedef pair<int,int> ii;
typedef pair<ii,int> iii;

ll n;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    clock_t ck;
    ck = clock();
    cin >> n;
    if (n&1)
        cout << n-1 << '\n';
    else {
        ll ans = 2*n-1
        for (ll i = n/2, j = 1; i > 0; i /= 2, j++) {
            int cnt = 0;
            for (ll j = i+1; j > 0 && j%2 == 0; j /= 2) cnt++;
            if (cnt >= j)
                ans = i-1;
            cnt = 0;
            for (ll j = i-1; j > 0 && j%2 == 0; j /= 2) cnt++;
            if (cnt >= j)
                ans = i-1;
        }
        cout << ans << '\n';
    }
    ck = clock()-ck;
    cerr << "It took " << 1.0*ck/CLOCKS_PER_SEC << " sec\n";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:9: error: expected ',' or ';' before 'for'
   23 |         for (ll i = n/2, j = 1; i > 0; i /= 2, j++) {
      |         ^~~
a.cc:23:33: error: 'i' was not declared in this scope
   23 |         for (ll i = n/2, j = 1; i > 0; i /= 2, j++) {
      |                                 ^
a.cc:23:48: error: 'j' was not declared in this scope
   23 |         for (ll i = n/2, j = 1; i > 0; i /= 2, j++) {
      |                                                ^
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include <deque>
#include <set>
#include<map>
using namespace std;
#define MOD 1000000007
#define LONG long long
long long kaizyo(int N);
long long P(int N, int M);
long long pow(int a, int n) {
	long long result = 1;
	for (int i = 0; i < n; i++) {
		result *= a;
		result = result % MOD;
	}
	return result;
}
int main()
{
	LONG N;
//	int A = 35000000;
	int A = 10000;
	int sqrtA = sqrt(A)+1;
	vector<int>K(A);
	vector<int>sosuu;
	for (int i = 0; i < A; i++) {
		K[i] = i;
	}
	for (int i = 2; i<sqrtA; i++) {
		if (K[i] != i) {
			continue;
		}
		sosuu.push_back(i);
		for (int j = i; j < sqrtA; j++) {
			if (i*j > A) {
				break;
			}
			if (K[i*j] == i * j) {

     		K[i*j] = i;
			}

		}
	}
	cin >> N;
	N = N * 2;
	int NN = N;
	map<LONG,int> s;
	for (int i = 0; i < sosuu.size(); i++) {
		if (N%sosuu[i] == 0) {
			s[sosuu[i]]++;
			N = N / sosuu[i];
			i--;
		}
	}
	if (N != 1) {
		s[N]++;

	}
	vector<int>a;
	vector<int>b;
	int c = 1;
	for (auto itr = s.begin(); itr != s.end(); ++itr) {
		a.push_back(itr->first);
		c = c * (itr->second + 1);
		b.push_back(itr->second + 1);
	}
	LONG result = 2000000000000000;
	for (int i = 0; i < c; i++) {
		bool frag = false;
		LONG d = 1;
		int ii = i;
		for (int j = 0; j < a.size(); j++) {
			if ((ii%b[j]) != 0 && (ii%b[j]) != (b[j] - 1)) {
				frag = true;
			}
			d = d * pow(a[j], ii%b[j]);
			ii = ii / b[j];
		}
		LONG e = NN / d;
		if (d%e == 1) {
			if (d - 1 != 0 && d - 1 < result) {
				result = d - 1;
			}
		}
		if (d%e == (e - 1)) {
			if (d != 0 && d < result) {
				result = d;
			}
		}
		if (!frag) {
//			cout << d << endl;
			for (LONG h = 1; h < d; h++) {
				if (h*e%d == 1) {
					if (h * e - 1 != 0 && h * e - 1 < result) {
						result = h * e - 1;
					}

				}
			}
		}
	}
	cout << result;

	return 0;



	



}
long long kaizyo(int N) {
	long long result = 1;
	for (int i = 2; i <= N; i++) {
		result *= i;
		result = result % MOD;
	}
	return result;
}
long long P(int N, int M) {
	long long result = 1;
	for (int i = (N - M + 1); i <= N; i++) {
		result *= i;
		result = result % MOD;
	}
	return result;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:21: error: 'sqrt' was not declared in this scope; did you mean 'sqrtA'?
   26 |         int sqrtA = sqrt(A)+1;
      |                     ^~~~
      |                     sqrtA
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include <deque>
#include <set>
#include<map>
using namespace std;
using namespace atcoder;
#define MOD 1000000007
#define LONG long long
long long kaizyo(int N);
long long P(int N, int M);
long long pow(int a, int n) {
	long long result = 1;
	for (int i = 0; i < n; i++) {
		result *= a;
		result = result % MOD;
	}
	return result;
}
int main()
{
	LONG N;
//	int A = 35000000;
	int A = 10000;
	int sqrtA = sqrt(A)+1;
	vector<int>K(A);
	vector<int>sosuu;
	for (int i = 0; i < A; i++) {
		K[i] = i;
	}
	for (int i = 2; i<sqrtA; i++) {
		if (K[i] != i) {
			continue;
		}
		sosuu.push_back(i);
		for (int j = i; j < sqrtA; j++) {
			if (i*j > A) {
				break;
			}
			if (K[i*j] == i * j) {

     		K[i*j] = i;
			}

		}
	}
	cin >> N;
	N = N * 2;
	int NN = N;
	map<LONG,int> s;
	for (int i = 0; i < sosuu.size(); i++) {
		if (N%sosuu[i] == 0) {
			s[sosuu[i]]++;
			N = N / sosuu[i];
			i--;
		}
	}
	if (N != 1) {
		s[N]++;

	}
	vector<int>a;
	vector<int>b;
	int c = 1;
	for (auto itr = s.begin(); itr != s.end(); ++itr) {
		a.push_back(itr->first);
		c = c * (itr->second + 1);
		b.push_back(itr->second + 1);
	}
	LONG result = 2000000000000000;
	for (int i = 0; i < c; i++) {
		bool frag = false;
		LONG d = 1;
		int ii = i;
		for (int j = 0; j < a.size(); j++) {
			if ((ii%b[j]) != 0 && (ii%b[j]) != (b[j] - 1)) {
				frag = true;
			}
			d = d * pow(a[j], ii%b[j]);
			ii = ii / b[j];
		}
		LONG e = NN / d;
		if (d%e == 1) {
			if (d - 1 != 0 && d - 1 < result) {
				result = d - 1;
			}
		}
		if (d%e == (e - 1)) {
			if (d != 0 && d < result) {
				result = d;
			}
		}
		if (!frag) {
//			cout << d << endl;
			for (LONG h = 1; h < d; h++) {
				if (h*e%d == 1) {
					if (h * e - 1 != 0 && h * e - 1 < result) {
						result = h * e - 1;
					}

				}
			}
		}
	}
	cout << result;

	return 0;



	



}
long long kaizyo(int N) {
	long long result = 1;
	for (int i = 2; i <= N; i++) {
		result *= i;
		result = result % MOD;
	}
	return result;
}
long long P(int N, int M) {
	long long result = 1;
	for (int i = (N - M + 1); i <= N; i++) {
		result *= i;
		result = result % MOD;
	}
	return result;
}


Compiler output:
a.cc:9:17: error: 'atcoder' is not a namespace-name
    9 | using namespace atcoder;
      |                 ^~~~~~~
a.cc: In function 'int main()':
a.cc:27:21: error: 'sqrt' was not declared in this scope; did you mean 'sqrtA'?
   27 |         int sqrtA = sqrt(A)+1;
      |                     ^~~~
      |                     sqrtA
Language: C++

#include<stdio.h>
//#include<conio.h>
#include<iostream>
using namespace std;
int n,sum=0;
cin>>n;int i=1;
while(1)
{sum+=i;
  if(i%n==0)
    return i;
 i++;
}

Compiler output:
a.cc:6:1: error: 'cin' does not name a type
    6 | cin>>n;int i=1;
      | ^~~
a.cc:7:1: error: expected unqualified-id before 'while'
    7 | while(1)
      | ^~~~~
Language: C++

#include<stdio.h>
#include<conio.h>
#include<iostream>
using namespace std;
int main()
{
int n,sum=0;
cin>>n;int i=1;
while(1)
{sum+=i;
  if(i%n==0)
    return i;
 i++;
}
}

Compiler output:
a.cc:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using ll = long long;

int main()
{
	ll n;
	cin >> n;
	for(ll i = 1;i<100000000;i++)
	{
		if(i*(i+1)/2%n==0)
		{
			cout<<i<<endl;
			return 0;
		}
	}
}


Compiler output:
a.cc:2:9: fatal error: atcoder/all: No such file or directory
    2 | #include<atcoder/all>
      |         ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <boost/multiprecision/cpp_int.hpp>
using namespace std;
namespace mp = boost::multiprecision;
// 任意長整数型
using Bint = mp::cpp_int;
// 仮数部が1024ビットの浮動小数点数型
using Real = mp::number<mp::cpp_dec_float<1024>>;
#define int long long
typedef pair<int,int> P;
int INF = 5e36+7;
int mod = 998244353;
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};
signed main() {
    Bint N;
    cin >> N;
    int ans = N-1;
    for(Bint i = 1; i*N <= INF && N*N >= i*N; i++) {
        Bint cnt = sqrt(i*N);
        if(cnt*(cnt-1)/2%N == 0) {
            ans = min(ans,cnt);
        }
        if((cnt+1)*cnt/2%N == 0) {
            ans = min(ans,cnt);
        }
    }
    cout << ans << endl;
}


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_dec_float.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_dec_float.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<stdio.h>
#include<conio.h>
#include<iostream>
using namespace std;
int n,sum=0;
cin>>n;int i=1;
while(1)
{sum+=i;
  if(i%n==0)
    return i;
 i++;
}


Compiler output:
a.cc:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

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


int main() {
  int a, b;
  cin>>a;
 b=0;
  for(int i =0; ; ++i) {
  b=b+i;
    if(b%a==0) {break;}
    
  }
  cout << i << endl; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:11: error: 'i' was not declared in this scope
   14 |   cout << i << endl;
      |           ^
Language: C

#include<stdio.h>
#include<math.h>
int main(){
    long long int n;
    scanf("%llu",&n);
    double(n);
    double i = 1;
    double x;
    while (1){
        x = - 0.5 + sqrt(2 * i * n + 0.25);
        if (ceil(x) == floor(x)) {
            printf("%d\n",int(x));
            break;
        }      
        i = i+1;  
    }
    /*
    while(1){
        
        if((i*(i+1)) % (2*n) == 0){
            printf("%llu\n",i);
            break;
        }
        i += 1;
    }
    */

}

Compiler output:
main.c: In function 'main':
main.c:6:12: error: conflicting types for 'n'; have 'double'
    6 |     double(n);
      |            ^
main.c:4:19: note: previous declaration of 'n' with type 'long long int'
    4 |     long long int n;
      |                   ^
main.c:12:27: error: expected expression before 'int'
   12 |             printf("%d\n",int(x));
      |                           ^~~
Language: C

#include<stdio.h>
#include<math.h>
int main(){
    double n;
    scanf("%lf",&n);
    double i = 1;
    double x;
    while (1){
        x = - 0.5 + sqrt(2 * i * n + 0.25);
        if (ceil(x) == floor(x)) {
            printf("%d\n",int(x));
            break;
        }      
        i = i+1;  
    }
    /*
    while(1){
        
        if((i*(i+1)) % (2*n) == 0){
            printf("%llu\n",i);
            break;
        }
        i += 1;
    }
    */

}

Compiler output:
main.c: In function 'main':
main.c:11:27: error: expected expression before 'int'
   11 |             printf("%d\n",int(x));
      |                           ^~~
Language: Java

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();
        long k = 1;
        for(int i = 2; i < num; i++){
            k = k+i;
            if( k  % num == 0){
                System.out.println(i);
                break;
            }
        }

    }
}

Compiler output:
Main.java:4: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:4: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include <iostream>
#include <climits>
using namespace std;

// 初項:a, 公差:a で, 上限:lim の数列の総和を返す関数
int sn(int a, int lim)
{
    int n = lim / a;         // 項数:n  =  上限:lim / 公差:a
    int l = n * a;           // 末項:l  =  項数:n   * 公差:a
    return (a + l) * n / 2;  // 総和:sn = (初項:a   + 末項:l) * 項数:n / 2
}


long long inv_mod(long long x, long long mod)
{
    long long y = mod;
    long long u = 1;
    long long v = 0;
    while (y)
    {
        long long t = x / y;
        x -= t * y;
        swap(x, y);
        u -= t * v;
        swap(u, v);
    }
    u %= mod;
    if (u < 0)
        u += mod;
    return u;
}

int main(){
    long long N;
    long long i;

    cin >> N;
    long lon old_amari = 0;

    for(i=1; i < INT_MAX; i++){
        long long cur_amari = i % N;

        old_amari += cur_amari;

        //cout << i << ":" << old_amari << endl;
/*
        if( old_amari > N ){
            old_amari -= N;
        }
*/
        if( old_amari%N == 0){
            cout << i << endl;
            break;
        }

    }

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:38:14: error: expected initializer before 'old_amari'
   38 |     long lon old_amari = 0;
      |              ^~~~~~~~~
a.cc:43:9: error: 'old_amari' was not declared in this scope; did you mean 'cur_amari'?
   43 |         old_amari += cur_amari;
      |         ^~~~~~~~~
      |         cur_amari
Language: C++

#include <bits/stdc++.h>
using namespace std;
long long f(long long n){
long long ans;
for(long long k=1;k<32222222;k++){
if(((k*(k+1))/2+n)%n==0){
  ans=k;
  break;
}
}  
return ans;

}
int64_t main(){
long long n;
  cin >> n;

cout << f(n) << endl;
return 0;
}


Compiler output:
a.cc:14:1: error: '::main' must return 'int'
   14 | int64_t main(){
      | ^~~~~~~
Language: C++

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

int64_t main(){
long long n;
  cin >> n;
long long ans;
for(long long k=1;k<32222222;k++){
if(((k*(k+1))/2+n)%n==0){
  ans=k;
  break;
}
}  
cout << ans << endl;
return 0;
}


Compiler output:
a.cc:4:1: error: '::main' must return 'int'
    4 | int64_t main(){
      | ^~~~~~~
Language: C++

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

long long main(){
long long n;
  cin >> n;
long long ans;
for(long long k=1;k<32222222;k++){
if(((k*(k+1))/2+n)%n==0){
  ans=k;
  break;
}
}  
cout << ans << endl;
return 0;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

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

long long main(){
long long n;
  cin >> n;
long long ans;
for(long long k=1;k<32222222;k++){
if(((k*(k+1))/2+n)%n==0){
  ans=k;
  break;
}
}  
cout << ans << endl;

}


Compiler output:
cc1plus: error: '::main' must return 'int'