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

#include <bits/stdc++.h>
const double PI = acos(-1);
#define rep(i, n) for (int i = 0; i < (int)(n); i++ )
using namespace std;
int findSumOfDigits(int n) {
  int sum = 0;
  while (n > 0) { // n が 0 になるまで
    sum += n % 10;
    n /= 10;
  }
  return sum;
}
int main(){
    long long x,k,d,num,y;
    cin >> x >> k >> d;
    if(x < 0) x = -1*x;
    y = x;
    if(x == 0) cout << x << endl;
    else if( x < d ){
        if( 2*x <= d ) cout << x << endl;
        else cout << d - x << endl;
    }
    else if( x == d){
        if( k % 2 == 0 ) cout << x << endl;
        else cout << 0 << endl;
    }
    else if( x > 0){
        if( x >= k*d ){
            cout << x - k*d << endl;
        }
        else{
            rep(i,k){
                y -= d;
                if(y < 0){
                    num = i+1;
                    break;
                } 
            }   
            int ans = x - num*d; 
            k-num %= 2;
            for(int i = 0; i < k-num; i++){
                if(i % 2 == 0) ans += d;
                else ans -= d;
            }
            if(ans >= 0) cout << ans << endl;
            else cout << -1*ans << endl;
        }   
    } 
    
}




Compiler output:
a.cc: In function 'int main()':
a.cc:40:14: error: lvalue required as left operand of assignment
   40 |             k-num %= 2;
      |             ~^~~~
Language: C

#include<stdio.h>
#include<stdlib.h>
long min(long x,long y){
return x>Y?y:x;
}
int main(void){
long X,K,D;
  scanf("%ld,%ld,%ld",&X,&K,&D);
  X=abs(X);
  long st=min(K,X/D);
  K-=st;
  X-=st*D;
  if(K%2==0) printf("%ld¥n",X);
  else printf("%ld¥n",D-X);
  
  return 0;
}

Compiler output:
main.c: In function 'min':
main.c:4:10: error: 'Y' undeclared (first use in this function)
    4 | return x>Y?y:x;
      |          ^
main.c:4:10: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
#include<stdlib.h>
long min(long x,long y){
return x>Y?y:x;
}
int main(void){
long X,K,D;
  scanf("%ld,%ld,%ld",&X,&K,&D);
  X=abs(X);
  long st=min(K,X/D);
  K-=st;
  X-=st*D;
  if(K%2==0) printf("%ld¥n",X);
  else printf("%ld¥n",D-X);
  
  return 0;
}S

Compiler output:
main.c: In function 'min':
main.c:4:10: error: 'Y' undeclared (first use in this function)
    4 | return x>Y?y:x;
      |          ^
main.c:4:10: note: each undeclared identifier is reported only once for each function it appears in
main.c: At top level:
main.c:17:1: error: expected '=', ',', ';', 'asm' or '__attribute__' at end of input
   17 | }S
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main ()
{
	cin >> x >> k >> d;
	if (x<0) x=0-x;
	if (x>0)
	{
		if (x-k*d>0 || x-k*d<0 && 0-(x-k*d)<=d) cout<<max(x-k*d,0-(x-k*d));
		else
		{
			s=k-(x/d+1);
			if (s%2==1) cout<<x-d*(x/d);
			else
			cout<<x-d*(x/d+1);
		}
	}

}



Compiler output:
a.cc: In function 'int main()':
a.cc:5:16: error: 'x' was not declared in this scope
    5 |         cin >> x >> k >> d;
      |                ^
a.cc:5:21: error: 'k' was not declared in this scope
    5 |         cin >> x >> k >> d;
      |                     ^
a.cc:5:26: error: 'd' was not declared in this scope
    5 |         cin >> x >> k >> d;
      |                          ^
a.cc:12:25: error: 's' was not declared in this scope
   12 |                         s=k-(x/d+1);
      |                         ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main() {
    ll x, k, d;
    cin >> x >> k >> d;

    x = abs(x);
    if (x / d <= k) cout << x - d*k << endl;
    else
    {
        long r1 = x % d;
        if ((k - (x - r1) / d) % 2 == 0)
        {
            cout << r1 << endl;
        }
        else
        {
            cout << (d - r1) << endl;
        }
        /*else {
        ll r = x % d;
        if ((k - (x - r) / d) % 2 == 0) cout << r << endl;
        else cout << d - r << endl;
    }*/
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:2: error: expected '}' at end of input
   28 | }
      |  ^
a.cc:6:12: note: to match this '{'
    6 | int main() {
      |            ^
Language: C++

#include <iostream>
#include <stdio.h>
#include <bits/stdc++.h>
#include <math.h>
#include <string>
#include <sstream>
#define ll long long
#define F first
#define S second
#define pb push_back
#define ld long double
#define pll pair<long long,long long>
#define pld pair<long double,long double>
#define ios     ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
using namespace std;
ll mod=1000000007;
ll INF=1e18;
ll gcd (ll a,ll b)
{
    if(b==0)
        return a;
    else
        return gcd(b,a%b);
}
ll fastexp(ll x ,ll n)
{
    ll result =1;
    while(n>0)
    {
        if(n%2==1)
            result*=x;
        x*=x;
        n=n/2;
    }
    return result;
}

ll modularExp(ll x,ll n,ll mod)
{
    ll result=1;
    while(n>0)
    {
        if(n%2==1)
            result=(result*x)%mod;
        x=((x%mod)*(x%mod))%mod;
        n=n/2;
    }
    return (result)%mod;
}
bool isPrime(ll n)
{
    for(ll i=2;i*i<=n;i++)
        if(n%i==0)
            return false;
    return true;
}
bool mycomp(pll &a,pll &b)
{
    if(a.F!=b.F)
        return a.F < b.F;
    else
        return a.S < b.S;
}

void solve()
{
     ll n,k,d;
     cin>>n>>k>>d;
     n=abs(n);
     if(k*d<=n)
     {
          ll ans = n-k*d;
          cout<<ans;
          return;
     }
     else 
     {
          ll y = n/d;
          ll ans=n-y*d;
          if((k-y)%2==1)
          {
            y++;
            ans=n-y*d;
          }
          cout<<abs(ans)
     }

}

int main()
{
    ios;
    ll t;
//    cin>>t;
    t=1;
    while(t--)
        solve();
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:85:25: error: expected ';' before '}' token
   85 |           cout<<abs(ans)
      |                         ^
      |                         ;
   86 |      }
      |      ~
Language: C++


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

int main() {
	long long X, K, D;
	cin >> X >> K >> D;
	cout << solver(X, K, D) << endl;
}

int solver(long long X, long long K, long long D) {

	X = abs(X);
	if (X >= K * D) return (X - K * D);
	else {
		K -= X / D;
		X %= D;
		if (K % 2 == 1) X = D - X;
		return X;
	}
}







Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: 'solver' was not declared in this scope
    9 |         cout << solver(X, K, D) << endl;
      |                 ^~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll simu(ll x, ll k, ll d){
    if(k==0){
        //cout<<x<<endl;
        return x;
    }
    if(x>0){
        if(x-d<0){
            if(k%2==0)return x;
            else return x-d;
        }
        //cout<<x<<" "<<k<<" "<<endl;
        ll n=min(x%d,k)
        return simu(x-d*n, k-n, d);
    }else {
        if(x+d>0){
            if(k%2==0)return x;
            else return x+d;
        }
        ll n=min(abs(x)%d,k);
        return simu(x+d*n, k-n, d);
    }


}

int main(){
    ll X,K,D;
    cin>>X>>K>>D;
    cout<<abs(simu(X,K,D));
    return 0;
}



Compiler output:
a.cc: In function 'll simu(ll, ll, ll)':
a.cc:18:9: error: expected ',' or ';' before 'return'
   18 |         return simu(x-d*n, k-n, d);
      |         ^~~~~~
a.cc:29:1: warning: control reaches end of non-void function [-Wreturn-type]
   29 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long 
#define scn(n) scanf("%d",&n)
#define lscn(n) scanf("%lld",&n)
#define lpri(n) printf("%lld",n)
#define pri(n) printf("%d",n)
#define pln() printf("\n")
#define priln(n) printf("%d\n",n)
#define lpriln(n) printf("%lld\n",n)
#define rep(i,init,n) for(int i=init;i<n;i++)
#define pb push_back     
#define mp make_pair
#define F first
#define S second
#define gcd __gcd
#define inf INT_MAX
#define ninf INT_MIN      
const ll mod=1e9+7;
const int N=1e6+4;
 
int main()                  
{
    ll x,d,k;
    cin>>x>>d>>k;
    
    if(x<0)
    x=-x;
    
    ll step=x/d;
    ll rem=x%d;
    
    ll ans=0;
    if(step>=k)
    {
        ans=x-k*d;
    }
    else
    {
        if((k-step)%2==0)
        {
            ans=x-temp*d;
        }
        else
        {
            ans=x-(temp+1)*d;
        }
    }
    cout<<abs(ans);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:19: error: 'temp' was not declared in this scope
   42 |             ans=x-temp*d;
      |                   ^~~~
a.cc:46:20: error: 'temp' was not declared in this scope
   46 |             ans=x-(temp+1)*d;
      |                    ^~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
typedef long long ll;
using namespace std;


int main(void) {
    ll X,K,D;
    cin >> X >> K >> D;
    ll ans;
    X = abs(X);
    if (X/D K) {
        ans = X - (K * D);
    }else{
        ll e = (X / D);
        K -= e;
        X -= e * D;
        if (K % 2 == 1) X = abs(X - D);
        ans = X;
    }
    cout << ans << endl;;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:12: error: expected ')' before 'K'
   13 |     if (X/D K) {
      |        ~   ^~
      |            )
Language: C++

//WA
#include <bits/stdc++.h>
#define LL               long long
#define PB               push_back
using namespace std;

int main(){
    int t=10;
    while (t--){
        LL x,k,d; cin>>x>>k>>d;
        x=abs(x);
        if ((k>(x/d){
            if (x!=0){
                LL z=x%d;
                k-=x/d;
                
                cout << min(z,abs(z-d));
            }
            else {
                if (k%2)cout<< d;
                else cout<<"0";
            }
        }
        else cout<< x-(d*k);
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:21: error: expected ')' before '{' token
   12 |         if ((k>(x/d){
      |             ~       ^
      |                     )
a.cc:23:10: error: expected ')' before 'else'
   23 |         }
      |          ^
      |          )
   24 |         else cout<< x-(d*k);
      |         ~~~~
a.cc:12:12: note: to match this '('
   12 |         if ((k>(x/d){
      |            ^
Language: C++

import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
 
		Scanner sc = new Scanner(System.in);
 
		long x = sc.nextLong();
		long k = sc.nextLong();
		long d = sc.nextLong();
 
		long ans;
		x = Math.abs(x);
 
		if (x / d >= k) {
			ans = x - k * d;
		} else {
			long tmp = x % d;
			long remain = k - x / d;
 
			if (remain % 2 == 0) {
				ans = tmp;
			} else {
				ans = d -tmp;
			}
 
		}
 
		System.out.println(ans);
 
		sc.close();
	}
 
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: Java


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

import static java.lang.Math.*;

public class Main {
    public static void main(final String[] args) {
        final FastScanner scanner = new FastScanner(System.in);
        final long x = abs(scanner.nextLong());
        final long k = abs(scanner.nextLong());
        final long d = abs(scanner.nextLong());

        if (x - k * d >= 0) {
            System.out.println(x - d * k);
            return;
        }

        final long k1 = x / d;
        // k1 か k1+1回移動するのが最適
        // k1回移動して 0 <= t < d
        if (k1 % 2 == k % 2) {
            System.out.println(abs(x - d * k1));
        } else {
            if (k1 <= k - 1) {
                System.out.println(min(abs(x - d * (k1 + 1)), abs(x - d * (k1 - 1))));
            }else{
                System.out.println(abs(x - d * (k1 - 1));
            }
        }
    }

    private static class FastScanner {
        private final BufferedReader reader;
        private StringTokenizer tokenizer;

        FastScanner(final InputStream in) {
            reader = new BufferedReader(new InputStreamReader(in));
        }

        String next() {
            if (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (final IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

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

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

        String nextLine() {
            if (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    return reader.readLine();
                } catch (final IOException e) {
                    throw new RuntimeException(e);
                }
            }

            return tokenizer.nextToken("\n");
        }

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

Compiler output:
Main.java:31: error: ')' or ',' expected
                System.out.println(abs(x - d * (k1 - 1));
                                                        ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	long long x,k,d;
	cin>>x>>k>>d;
	x=abs(x);
	if(x > _int128(k)*d){
		cout<<x-k*d<<endl;
	}
	else{
		long long y=x%d;
		long long i=(x-y)/d;
		if((k-1)%2) y=abs(y-d);
		cout<<y<<endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: error: '_int128' was not declared in this scope; did you mean '__int128'?
    8 |         if(x > _int128(k)*d){
      |                ^~~~~~~
      |                __int128
Language: C++

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

typedef long long ll;
int main(){
	long long x, k, d;
	cin >> x >> k >> d;
	if(k==1){
		cout << fabs(fabs(x)-d);
		return 0;
	} 
	x = fabs(x);
	if(x>_int128(k)*d) cout << x-k*d;
	else{
		ll y=x%d;
		ll i =(x-y)/d;
		
		if((k-i)%2) y=fabs(y-d);
		cout << y;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: '_int128' was not declared in this scope; did you mean '__int128'?
   13 |         if(x>_int128(k)*d) cout << x-k*d;
      |              ^~~~~~~
      |              __int128
Language: C++

#include<iostream>
#include<queue>
#include<string>
#include<cmath>
#include<cstdio>
#include<cctype>
#include<cstring>
#include<iomanip>
#include<cstdlib>
#include<ctime>
#include<set>
#include<map>
#include<utility>
#include<vector>
#include<stack>
#include<sstream>
#include<algorithm>
using namespace std;
/****************************/
#define ll long long
#define vi vector<int>
#define pii pair<int,int>
#define vpii vector<pair<int,int> >
#define qi queue<int>
#define mii map<int,int>
#define msi map<string,int>
#define vs vector<string>
#define vc vector<char>
/****************************/
#define rep(i,n) for(ll i=0;i<(n);i++)
#define rep2(i,n) for(ll i=(n)-1;i>=0;i--)
#define rep3(i,a,n) for(ll i=(a);i<(n);i++)
#define rep4(i,a,n) for(ll i=(a)-1;i>=n;i--)
#define mp make_pair
#define pb push_back
#define st first
#define nd second
#define pi 3.1415926535897932384626433832795
#define zero(n) memset(n,0,sizeof(n));
#define SZ(n) n.size()
#define sn st.nd 
#define mod 1000000007
int dx[4]={1,-1,0,0};
int dy[4]={0,0,1,-1};
int month[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
/****************************/
ll n,m,k;
int main()
{
	cin>>n>>m>>k;
	ll time=abs(n)/k;
	ll ans1=n%k;
	ll ans2=ans1-k;
	if(m<=time)
	{
		ans=abs(n)-m*k;
		cout<<ans;
		return 0;
	}
	ll ans;
	if((m-time)%2==0)
	{
		ans=abs(ans1);
	}
	else
	{
		ans=abs(ans2);
	}
	cout<<ans;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:56:17: error: 'ans' was not declared in this scope; did you mean 'ans2'?
   56 |                 ans=abs(n)-m*k;
      |                 ^~~
      |                 ans2
Language: C++

#include<bits/stdc++.h>
#define pb push_back 
 #define fo(i,n) for(int i=0;i<n;i++)
#define ll long long
#define Mod 1000000009 
#define MAX 4294967296  // 2^32

using namespace std;



int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
   
ll ans=Mod;

   ll a,b,c;
   cin>>a>>b>>c;
   a=abs(a);
   
   long long t=a/c;
    if(a>0 && (a/c)>=k ){
        cout<<abs(a-b*c);
        return 0;
    }



a-=t*c;
   b-=t;
   if(b%2==0){
    cout<<abs(a);
   }else cout<<min((abs(a+c)),abs(a-c));
   






}



Compiler output:
a.cc: In function 'int main()':
a.cc:23:22: error: 'k' was not declared in this scope
   23 |     if(a>0 && (a/c)>=k ){
      |                      ^
Language: C++

#include <iostream>
#include<vector>
#include<algorithm>
#include<map>
using namespace std;
 
int main(void){
     long long x,k,d;
     cin >> x >>k >> d;
     if(abs(x) > k * d){
           cout << abs(x) - k * d << endl;
     }else{
           long long i = abs(x) /d;
           lonf long rest = k - i;
           lonf long nearest = abs(x) - d * i;
           if(rest % 2 == 0){
                 cout << nearest << endl;
           }else{
                 cout << abs(nearest - d) << endl;
           }
     }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: 'lonf' was not declared in this scope; did you mean 'long'?
   14 |            lonf long rest = k - i;
      |            ^~~~
      |            long
a.cc:15:16: error: expected ';' before 'long'
   15 |            lonf long nearest = abs(x) - d * i;
      |                ^~~~~
      |                ;
a.cc:16:15: error: 'rest' was not declared in this scope
   16 |            if(rest % 2 == 0){
      |               ^~~~
a.cc:17:26: error: 'nearest' was not declared in this scope
   17 |                  cout << nearest << endl;
      |                          ^~~~~~~
a.cc:19:30: error: 'nearest' was not declared in this scope
   19 |                  cout << abs(nearest - d) << endl;
      |                              ^~~~~~~
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
#define rep(i,n) for(int i=0;i<(n);i++)//rep(i,回数){処理}
using namespace std;
using ll = long long;
using P = pair<int, int>;

int main() {
    int256_t k,d,x;
    cin >> x >> k >> d;
    int s, a;

    if (abs(x) >= d*k) {
        cout << abs(x) - d*k << endl;
    } else {
        s = abs(x)/d;
        a = abs(x)%d;
        
        if ((k-s)%2==0) {
            cout << a << endl;
        } else {
             cout << min(abs(a-d), abs(a+d)) << endl;
        }
        
    } 

    return 0;
}



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

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

int main() {
    int256_t k,d,x;
    cin >> x >> k >> d;
    int s, a;

    if (abs(x) >= d*k) {
        cout << abs(x) - d*k << endl;
    } else {
        s = abs(x)/d;
        a = abs(x)%d;
        
        if ((k-s)%2==0) {
            cout << a << endl;
        } else {
             cout << min(abs(a-d), abs(a+d)) << endl;
        }
        
    } 

    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'int256_t' was not declared in this scope; did you mean 'int16_t'?
    8 |     int256_t k,d,x;
      |     ^~~~~~~~
      |     int16_t
a.cc:9:12: error: 'x' was not declared in this scope
    9 |     cin >> x >> k >> d;
      |            ^
a.cc:9:17: error: 'k' was not declared in this scope
    9 |     cin >> x >> k >> d;
      |                 ^
a.cc:9:22: error: 'd' was not declared in this scope
    9 |     cin >> x >> k >> d;
      |                      ^
Language: C++

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

int main(){
  ll x,k,d;
  cin>>x>>k>>d;
  x = abs(x);
  ll cnt = x/d;
  if(k<cnt) {
    x -= d*k;
    cout<<x<<endl;
    return 0;
  }
  k -= cnt;
  ll now = x%d;
  ll next = abs(now-d);
  if(k%2)cout<<next<<endl;
  else cout<<now<< endl(
  

Compiler output:
a.cc: In function 'int main()':
a.cc:23:25: error: expected primary-expression at end of input
   23 |   else cout<<now<< endl(
      |                         ^
a.cc:23:25: error: expected '}' at end of input
a.cc:9:11: note: to match this '{'
    9 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
 
int main(){
  ll X,K,D,f,left;
  cin>>X>>K>>D;
  X=abs(X);
  if(K<=X/D){
    cout<<abs(X-K*D)<<endl;
  }
  else{
    f=floor(X/D);
    left=K-f;
    X-=D*f;
    cout<<(left%2==0?X:abs(X-D))<<endl;
  }
}
#include<bits/stdc++.h>
using namespace std;
using ll=long long;

int main(){
  ll X,K,D,f,left;
  cin>>X>>K>>D;
  X=abs(X);
  if(K<=X/D){
    cout<<abs(X-K*D)<<endl;
  }
  else{
    f=floor(X/D);
    left=K-f;
    X-=D*f;
    cout<<(left%2==0?X:abs(X-D))<<endl;
  }
}

Compiler output:
a.cc:23:5: error: redefinition of 'int main()'
   23 | int main(){
      |     ^~~~
a.cc:5:5: note: 'int main()' previously defined here
    5 | int main(){
      |     ^~~~
Language: C++

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

int main()
{
	long long x, k, d;
	cin >> x  >> k >> d;

	x = abs(x);

	if (x >= k * d)
	{
		cout << x - k * d << endl;
		return 0;
	}

	long long aid = x % d;
	k -= floor(x / d);

	if (k % 2 == 1)
	{
		cout << abs(aid - d) << endl;
	}
	else
	{
		cout << aid << endl;
	}

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:14: error: 'floor' was not declared in this scope
   21 |         k -= floor(x / d);
      |              ^~~~~
Language: C++

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

int main() {

ll x,k,d; cin>>x>>k>>d;
  if(x<0)x=-x;
  
  
  if(x/d>=k){
  ll ans=x%d;
  if(ans>abs(ans-d))ans=abs(ans-d);
  }
  else{ans=x-k*d;}
 
  }
 cout<<ans<<endl; 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:8: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |   else{ans=x-k*d;}
      |        ^~~
      |        abs
a.cc: At global scope:
a.cc:21:2: error: 'cout' does not name a type
   21 |  cout<<ans<<endl;
      |  ^~~~
a.cc:22:1: error: expected declaration before '}' token
   22 | }
      | ^
Language: C++

#include <stdio.h>
#include <iostream>
#include <vector>
#include <algorithm>
using ll = ll;
using namespace std;

int main()
{
	ll x,k,d;
	cin >> x >> k >> d;
	x = abs(x);
	ll e = x / d;
	ll ans;
	if (x - k * d >= 0) {
		ans = x - k * d;
	}
	else {
		if ((k - e) % 2 == 0) {
			//偶数
			ans = x - e * d;
		}
		else {
			ans = x - e * d - d;
		}
	}
	cout << abs(ans) << endl;
	return 0;
}


Compiler output:
a.cc:5:12: error: 'll' does not name a type
    5 | using ll = ll;
      |            ^~
a.cc: In function 'int main()':
a.cc:10:9: error: 'll' was not declared in this scope
   10 |         ll x,k,d;
      |         ^~
a.cc:11:16: error: 'x' was not declared in this scope
   11 |         cin >> x >> k >> d;
      |                ^
a.cc:11:21: error: 'k' was not declared in this scope
   11 |         cin >> x >> k >> d;
      |                     ^
a.cc:11:26: error: 'd' was not declared in this scope
   11 |         cin >> x >> k >> d;
      |                          ^
a.cc:13:11: error: expected ';' before 'e'
   13 |         ll e = x / d;
      |           ^~
      |           ;
a.cc:14:11: error: expected ';' before 'ans'
   14 |         ll ans;
      |           ^~~~
      |           ;
a.cc:16:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |                 ans = x - k * d;
      |                 ^~~
      |                 abs
a.cc:19:26: error: 'e' was not declared in this scope
   19 |                 if ((k - e) % 2 == 0) {
      |                          ^
a.cc:21:25: error: 'ans' was not declared in this scope; did you mean 'abs'?
   21 |                         ans = x - e * d;
      |                         ^~~
      |                         abs
a.cc:24:25: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |                         ans = x - e * d - d;
      |                         ^~~
      |                         abs
a.cc:27:21: error: 'ans' was not declared in this scope; did you mean 'abs'?
   27 |         cout << abs(ans) << endl;
      |                     ^~~
      |                     abs
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define _GLIBCXX_DEBUG //これつけるとA[N]でもいいらしい
//for文のマクロ
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define mp(a,b) make_pair(a,b)
#define big 1000000007
#define all(a) sort((a).begin(),(a).end()) //ソートのマクロ
#define Re(a) reverse((a).begin(),(a).end())
#define YN(a) if(a){cout<<"Yes"<<endl;}else cout<<"No"<<endl;//条件によってYes、Noを出力する
int main(){
    int64_t x,k,d;
    cin>>x>>k>>d;
    x = abs(x);
    if(k==1){
        cout<<x-d<<endl;
        return 0;
    }
    if(x/d>=k){//0にたどり着けない
        cout<<x-d*k<<endl;
    }
    else{
        if(k%2!=0){
            x -= d;
            k--;
        }
            cout<<min(x%(2*d),2*d-(x%(2*d)))<<endl;
        }
    }
}

Compiler output:
a.cc:30:1: error: expected declaration before '}' token
   30 | }
      | ^
Language: C++

#include <bits\stdc++.h>
using namespace std;
const int INF=0x3f3f3f3f,maxn=12;
long long n,m,d,k;
int main()
{
	int i,j,ans=0;
	cin>>n>>k>>d;
	int x=abs(n)/d;
	if(k<x)
	{
		if(x<0)
		{
			cout<<abs(n+k*d);
		}
		else
			cout<<abs(n-k*d);
	}
	else
	{
		if((k-x)%2)
		{
			if(x<0)
			{
				cout<<abs(n+x*d+d);
			}
			else
			{
				cout<<abs(n-x*d-d);
			}
		}
		else
		{
			if(x<0)
			{
				cout<<abs(n+x*d);
			}
			else
				cout<<abs(n-x*d);
		}
	}
	return 0;
}


Compiler output:
a.cc:1:10: fatal error: bits\stdc++.h: No such file or directory
    1 | #include <bits\stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
signed main(){
    /*以下コード*/
  long long x,k,d;
    cin>>x>>k>>d;
    x=abs(x);
    if(x/d>=k)cout<<x-k*d<<endl;
    else {
      long long cnt=x/d;
      long long ans=x%d;
      k-=cnt;
      if(k%2)cout<<d-ans<<endl;
      else cout<<ans<<endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |     cin>>x>>k>>d;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:15: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |     if(x/d>=k)cout<<x-k*d<<endl;
      |               ^~~~
      |               std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:28: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |     if(x/d>=k)cout<<x-k*d<<endl;
      |                            ^~~~
      |                            std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:12:14: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |       if(k%2)cout<<d-ans<<endl;
      |              ^~~~
      |              std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:27: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |       if(k%2)cout<<d-ans<<endl;
      |                           ^~~~
      |                           std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:13:12: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   13 |       else cout<<ans<<endl;
      |            ^~~~
      |            std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:13:23: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   13 |       else cout<<ans<<endl;
      |                       ^~~~
      |                       std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define For(start,end) for(int i = (int)start;i<(int)end;i++)
using Int = long long int;
using TDim = vector<vector<int>>;
int main(){
    Int X,K,D;cin>>X>>K>>D;
    //X>0のとき
    X=X>0?X:-X;
 

        if(X-K*D>0)cout<<X-K*D<<endl;//k*Dが保証されていない？
        else 
        {
            Int n = (X/D)+1;
          
            if((K-n)%2==0)cout<<(-(X-n*D))<<endl;
            else cout<<X-(n-1)*D<<endl;
        }
    
    
    
    


Compiler output:
a.cc: In function 'int main()':
a.cc:19:10: error: expected '}' at end of input
   19 |         }
      |          ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: Java


import java.util.Scanner;
import java.util.Stack;

public class Main {
  static int[][] numbers;
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    Scanner in = new Scanner(System.in);
    long x= in.nextLong();
    long k = in.nextLong();
    long d = in.nextLong();

    x = Math.abs(x);
    if(x>0 && (x/d)>=k) {
       long q = x/d;
       x = x-(k)*d;

    } else {
      long y = x/d;
      x =x -(y)*d;
      k -=y;
      if(k%2==0)
        x= Matb.abs(x);
      else
        x = Math.min(Math.min(x-d),Math.abs(x+d));
    }

    System.out.println(x);     
  }
  
  
}

Compiler output:
Main.java:24: error: cannot find symbol
        x= Matb.abs(x);
           ^
  symbol:   variable Matb
  location: class Main
Main.java:26: error: no suitable method found for min(long)
        x = Math.min(Math.min(x-d),Math.abs(x+d));
                         ^
    method Math.min(int,int) is not applicable
      (actual and formal argument lists differ in length)
    method Math.min(long,long) is not applicable
      (actual and formal argument lists differ in length)
    method Math.min(float,float) is not applicable
      (actual and formal argument lists differ in length)
    method Math.min(double,double) is not applicable
      (actual and formal argument lists differ in length)
2 errors
Language: Java

import java.util.*;
import java.util.Scanner;
import java.io.*;
import java.io.BufferedReader; 
import java.io.IOException; 
import java.io.InputStreamReader; 
import java.util.Scanner; 
import java.util.StringTokenizer;

import javax.lang.model.util.ElementScanner6; 

public class Main
{
    static class FastReader
    { 
        BufferedReader br; 
        StringTokenizer st; 

        public FastReader() 
        { 
            br = new BufferedReader(new
                    InputStreamReader(System.in)); 
        } 

        String next() 
        { 
            while (st == null || !st.hasMoreElements()) 
            { 
                try
                { 
                    st = new StringTokenizer(br.readLine()); 
                } 
                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
            { 
                str = br.readLine(); 
            } 
            catch (IOException e) 
            { 
                e.printStackTrace(); 
            } 
            return str; 
        } 
    } 
    
    

    public static void main(String args[])
    {  
        FastReader in=new FastReader();
        int t=1;
        //t=in.nextInt();
        while(t-->0)
        {
 
            long x=(long)Math.abs(in.nextLong());
            long k=in.nextLong();
            long d=in.nextLong();

            long zeroth=x/d;
      

            if(zeroth>=k)
            {
                x=x-k*d;
                System.out.println(val);
            }

            else
            {
                x-=(zeroth*d);
                k-=zeroth;
                
                if(k%2==0)
                {
                  
                    System.out.println(x);
                }
                else
                {
                    x=(long)Math.abs(x-d);
                    System.out.println(x);
                }

            }
            
           
        }
    }
}

Compiler output:
Main.java:91: error: cannot find symbol
                System.out.println(val);
                                   ^
  symbol:   variable val
  location: class Main
1 error
Language: C++

#include <iostream>

using namespace std;

using ll = long long;

int main()
{
    ll x,k,d;
    cin>>x>>k>>d;
    if(x-(k*d)>=0)
    {
        cout<<(x-(k*d))<<endl;
    }
    else
    {
        ll e = x/d;
        k = k-e;
        x = x-(e*d);
        if(x%2)
        {
            x = abs(x-d);
        }
        ans = x;
        cout<<ans<<endl;
    }
    
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |         ans = x;
      |         ^~~
      |         abs
Language: Java

import java.util.Scanner;

public class tri {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
	    
	   	Scanner s = new Scanner(System.in);
	    
	    long dis = s.nextLong();
	    long mov = s.nextLong();
	    long am = s.nextLong();
	    
	    while(mov > 0){
	      
	      if(Math.abs(dis + am) > Math.abs(dis - am))
	        dis -= am;
	      else
	        dis += am;
	     
	      mov--;
	      
	    }
	    
	    System.out.println(Math.abs(dis));
	    
	}

}


Compiler output:
Main.java:3: error: class tri is public, should be declared in a file named tri.java
public class tri {
       ^
1 error
Language: C

#include<stdio.h>

int main(){
  long long x,k,d;
  scanf("%lld %lld %lld",&x,&k,&d);
  
  if(x<0){x=-x;}
  
  long long a=x-(d*(x/d));
  
  l=k-(x/d);
  
  if(l<=0){printf("%lld",x-k*d);return 0;}
  
  if(l%2==0){printf("%lld",a); return 0;}
  
  printf("%lld",d-a);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:11:3: error: 'l' undeclared (first use in this function)
   11 |   l=k-(x/d);
      |   ^
main.c:11:3: note: each undeclared identifier is reported only once for each function it appears in
Language: Java

    import javafx.util.Pair;

    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;

    public class Main {

        public static void main(String[] args) throws IOException {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            String []line = br.readLine().split(" ");

            long curr = Long.parseLong(line[0]), moves = Long.parseLong(line[1]), d = Long.parseLong(line[2]);

            while(curr >0 && moves > 0){
                curr-=d;
                moves--;
            }

            if(moves >0){
                if(moves%2 == 0){
                    System.out.println(Math.abs(curr));
                }
                else {
                    if(Math.abs(curr-d) <= Math.abs(curr+d)){
                        System.out.println(Math.abs(curr-d));
                    }
                    else {
                        System.out.println(Math.abs(curr+d));
                    }
                }
            }
            else {
                System.out.println(Math.abs(curr));
            }
        }
    }

Compiler output:
Main.java:1: error: package javafx.util does not exist
    import javafx.util.Pair;
                      ^
1 error
Language: C

#include<stdio.h>

int main(){
  long long x,k,d;
  scanf("%lld %lld %lld",&x,&k,&d);
  
  if(x<0)x=-x;
  if(x>k*d){printf("%lld",x-k*d);return 0;}
  
  k-=((x-x%d)/d);
  
  if(k%2==0)printf("%lld",x%d);
  else printf("%lld"x-x%d);
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:21: error: expected ')' before 'x'
   13 |   else printf("%lld"x-x%d);
      |              ~      ^
      |                     )
Language: C++

#include<bits/stdc++.h>
#define ios std::ios::sync_with_stdio(false)
#define maxn 100005
#define int long long
using namespace std;
int n;
int x, k, d;
int a[105];
int ans;
signed main()
{
	ios;
	cin >> x >> k >> d;
	x = abs(x);
	if (x / d > k) {
		cout << abs(x - d * k) << "\n";
	}
	else {
		k = k - x / d;
		if (k & 1) {
			cout << d - x % d << "\n";
		}
		else {
			cout << x % d << "\n";
		}
	}
}
	/*if (K * D <= X)
		ans = X - K * D;
	else
	{
		K -= X / D;
		int A = X % D;

		if (K % 2 == 0)
			ans = A;
		else
			ans = D - A;
	}
	cout << ans<<endl;*/
}
/*#include <iostream>
#include <vector>
#include <map> 
#include <algorithm>
#include <cstring>
 
#define ll long long
using namespace std; 
 
void solve(){
  ll x,k,d; 
  cin >>x>> k>> d; 
  x = abs(x);
  d = abs(d);  
  
 
}
 
int main(){
  int t=1; 
  // cin>>t; 
  while(t--){
    solve(); 
  }
 return 0;
}*/

Compiler output:
a.cc:41:1: error: expected declaration before '}' token
   41 | }
      | ^
Language: Java

import java.io.*;
import java.math.*;
import java.util.*;
public class MyClass {
    public static void main(String args[]) {
      Scanner sc = new Scanner(System.in);
      PrintWriter w = new PrintWriter(System.out);
      
      long a = Math.abs(sc.nextLong());
      long moves = sc.nextLong();
      long diff = sc.nextLong();
      BigInteger b_a = new BigInteger(a+"");
      BigInteger multi = new BigInteger(moves*diff+"");
      long ans = 0L;
      if(b_a.compareTo(multi)>=0)
      {
          ans = a-moves*diff;
      }
      else
      {
          long div = a/diff;
          moves = moves-div;
          ans = a%diff;
          if(moves%2==1)
          {
              ans = Math.abs((a%diff)-diff);
          }
      }
      w.println(ans);
      w.close();
    }
}

Compiler output:
Main.java:4: error: class MyClass is public, should be declared in a file named MyClass.java
public class MyClass {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
#define ios std::ios::sync_with_stdio(false)
#define maxn 100005
#define int long long
using namespace std;
int n;
int X, K, D;
int ans;
signed main()
{
	ios;
	cin >> X >> K >> D;
	if (X < 0)
		X=ans(X);
	if (K * D <= X)
		ans = X - K * D;
	else
	{
		K -= X / D;
		int A = X % D;

		if (K % 2 == 0)
			ans = A;
		else
			ans = D - A;
	}
	cout << ans<<endl;
}
/*#include <iostream>
#include <vector>
#include <map> 
#include <algorithm>
#include <cstring>
 
#define ll long long
using namespace std; 
 
void solve(){
  ll x,k,d; 
  cin >>x>> k>> d; 
  x = abs(x);
  d = abs(d);  
  if(x/d > k){
    cout << abs(x-d*k) << "\n"; 
  }else{
    k = k-x/d; 
    if(k&1){
      cout << d- x%d << "\n"; 
    }else{
      cout << x%d << "\n"; 
    }
  }
 
}
 
int main(){
  int t=1; 
  // cin>>t; 
  while(t--){
    solve(); 
  }
 return 0;
}*/

Compiler output:
a.cc: In function 'int main()':
a.cc:14:22: error: 'ans' cannot be used as a function
   14 |                 X=ans(X);
      |                   ~~~^~~
Language: C++

#include<bits/stdc++.h>
#define ll long long
using namespace std;
const ll mod = 1e9L+7;
int n;
vector<vector<ll>> inp;
vector<vector<vector<ll>>> dp;

int main()
{

    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    
    int t=1;
    //cin>>t;
    while(t--)
    {
        inp.assign(r+2,vector<ll> (c+2,0));
        dp.assign(r+2,vector<vector<ll>> (c+2,vector<ll> (4,-1)));
        
        ll x,k,d;
        cin>>x>>k>>d;

        x = abs(x);

        if(k< x/d) cout<< x - k*d<<endl;
        else
        {
            ll ans1 = x%d;
            ll ans2 = abs(ans1 - d);
            k -= x/d;

            if(k%2 == 0)
            {
                cout<<ans1<<endl;
            }
            else
            {
                cout<<ans2<<endl;
            }
            
        }
        

    }
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:20: error: 'r' was not declared in this scope
   23 |         inp.assign(r+2,vector<ll> (c+2,0));
      |                    ^
a.cc:23:36: error: 'c' was not declared in this scope
   23 |         inp.assign(r+2,vector<ll> (c+2,0));
      |                                    ^
Language: C++

#pragma GCC optimize("Ofast",3,"inline")
#include<bits/stdc++.h>
using namespace std;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
//	freopen(".in","r",stdin);
//	freopen(".out","w",stdout);
	ll x ,k ,d ; 
	cin >> x >> k >> d ; 
	x = abs(x);
	ll r = x%d ; 
	ll q = x/d  ;
	if(q >= k )
		cout << x - k*d ; 
	else {
		ll rem =  k - q ; 
		if(rem%2 == 0 )
			cout << r  ;
		else 
			cout << abs(r - d) ; 
	}
	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: 'll' was not declared in this scope
   10 |         ll x ,k ,d ;
      |         ^~
a.cc:11:16: error: 'x' was not declared in this scope
   11 |         cin >> x >> k >> d ;
      |                ^
a.cc:11:21: error: 'k' was not declared in this scope
   11 |         cin >> x >> k >> d ;
      |                     ^
a.cc:11:26: error: 'd' was not declared in this scope
   11 |         cin >> x >> k >> d ;
      |                          ^
a.cc:13:11: error: expected ';' before 'r'
   13 |         ll r = x%d ;
      |           ^~
      |           ;
a.cc:14:11: error: expected ';' before 'q'
   14 |         ll q = x/d  ;
      |           ^~
      |           ;
a.cc:15:12: error: 'q' was not declared in this scope
   15 |         if(q >= k )
      |            ^
a.cc:18:19: error: expected ';' before 'rem'
   18 |                 ll rem =  k - q ;
      |                   ^~~~
      |                   ;
a.cc:19:20: error: 'rem' was not declared in this scope; did you mean 'drem'?
   19 |                 if(rem%2 == 0 )
      |                    ^~~
      |                    drem
a.cc:20:33: error: 'r' was not declared in this scope
   20 |                         cout << r  ;
      |                                 ^
a.cc:22:37: error: 'r' was not declared in this scope
   22 |                         cout << abs(r - d) ;
      |                                     ^
Language: C++

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define in insert
#define PI 3.1415926535897932384626433832795
#define F first
#define S second
#define aLL(str) (str).begin(), (str).end()
#define IOS                  \
    ios::sync_with_stdio(0); \
    cin.tie(0);              \
    cout.tie(0)
#define ll long long
#define ld long double
#define lcm(a, b) (a * b) / __gcd(a, b)
#define flu(i, a, b) for(ll i = a; i < b; i++)
#define blu(i, a, b) for(ll i = a; i >= b; i--)
#define upper(s) transform(s.begin(), s.end(), s.begin(), ::toupper)
#define lower(s) transform(s.begin(), s.end(), s.begin(), ::tolower)
#define Unique(X) (X).erase(unique(all(X)), (X).end())
#define all(v) v.begin(), v.end()
#define ull unsigned long long
typedef vector<ll> vl;
typedef map<ll, ll> ml;
typedef vector<string> vs;
typedef vector<vector<int>> vvi;
char e = '\n';

ll MOD = 1e9 + 7;

ll i, j, le;

int sv(int x)
{
    int n = 200000;
    bool prime[n + 1];
    memset(prime, true, sizeof(prime));

    for (int p = 2; p * p <= n; p++)
    {
       
        if (prime[p] == true)
        {
            for (int i = p * p; i <= n; i += p)
                prime[i] = false;
        }
    }
    if (prime[x])
        return 1;
    else
        return 0;
}

int main()
{
    IOS;
    int t;
    //cin >> t;
     t=1;
    while (t--)
    {
        ll x,k,d;
        cin>>x>>k>>d;
        ll x1= abs(x);
        if((ull)(k*d) <= x1)
        cout<<x1-(()k*d)<<e;
        else {
            ll mov= x1/d;
            ll left = x1%d;
            k=k-mov;
            if(k%2==0)cout<<left<<e;
            else cout<<abs(left-d)<<e;
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:69:20: error: expected primary-expression before ')' token
   69 |         cout<<x1-(()k*d)<<e;
      |                    ^
a.cc:69:21: error: expected ')' before 'k'
   69 |         cout<<x1-(()k*d)<<e;
      |                  ~  ^
      |                     )
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
using namespace std;
int main()
{
  long long X, K, D;
  cin >> X >> K >> D;
  long long rep = ans(X) / D;
  if (rep >= K) {
    cout << abs(X) - D*K << endl;
    return 0;
  }
  X = abs(X) - D*rep;
  K -= rep;
  if ((K%2)==1) {
    cout << abs(X-D) << endl;
    return 0;
  } else {
    cout << X << endl;
    return 0;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |   long long rep = ans(X) / D;
      |                   ^~~
      |                   abs
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
using namespace std;
int main()
{
  long long X, K, D;
  cin >> X >> K >> D;
  long long rep = ans(X) / D;
  if (rep >= K) {
    cout << ans(X) - D*K << endl;
    return 0;
  }
  X = abs(X) - D*rep;
  K -= rep;
  if ((K%2)==1) {
    cout << abs(X-D) << endl;
    return 0;
  } else {
    cout << X << endl;
    return 0;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |   long long rep = ans(X) / D;
      |                   ^~~
      |                   abs
Language: C++

#include <iostream>

using namespace std;

int main(void){

  long long X, K, D;
  long long XD, KK;
  long long ans;

  cin >> X >> K >> D;

  if(X<0) X*=-1;

  if(X/D>=K) ans = X - D * K;
  else{
    XD = X / D;
    K -= XD;
    X -= XD * D;
    if(k%2==1) if((X-=D)<0) X*=-1;
    ans = X;
  }

  cout << ans << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:8: error: 'k' was not declared in this scope
   20 |     if(k%2==1) if((X-=D)<0) X*=-1;
      |        ^