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

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
int main() {
  int64_t X, M, N;
  cin >> X >> M >> N;
  int O = M;
  int c = 0;
  if(X >= 0) {
    rep(i, M) {
      if(X > 0) {
        X -= N;
        O--;
      }
      else {
        if(abs(X) > X + N) {
          c++
        }
        break;
      }
      if(O == 0) {
        break;
      }
    }
    if(O % 2 == 0 && c == 0) {
      cout << abs(X) << endl;
    }
    else {
      cout << X + N << endl;
    }
  }
  else {
    rep(i, M) {
      if(X < 0) {
        X += N;
        O--;
      }
      else {
        if(X > abs(X - N)) {
          c++;
        }
        break;
      }
      if(O == 0) {
        break;
      }
    }
    if(O % 2 == 0 && c == 0) {
      cout << abs(X) << endl;
    }
    else {
      cout << abs(X - N) << endl;
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:14: error: expected ';' before '}' token
   18 |           c++
      |              ^
      |              ;
   19 |         }
      |         ~
Language: Java

import java.util.*;
public class Main {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        long X = Math.abs(sc.nextLong());
        long K = sc.nextLong();
        long D = sc.nextLong();

        long ans =0;
        if(Math.abs(X)> K*D){
            ans = X-K*D;
        }else{
            long t = Math.min(X/D,K);
            K -= t;
            X -= t*D;
            if(K%2==0){
                ans= X;
            }else{
                ans =X-D;
            }
        }

        System.out.println(Math.abs(ans));
    }

Compiler output:
Main.java:26: error: reached end of file while parsing
    }
     ^
1 error
Language: C

//vinay
#include<stdio.h>
//using namespace std;
//#define mod 10e9+7;
int main(){
	long long int x, k, d;
	scanf("%d %d %d",&x,&k,&d);
	if( x == k && x == d){
		//cout << abs(x) <<endl;
		printf("%d\n",x);
	}
	else {
		for(long long int i = 1; i <= k-1; i++){
			if(i%2 != 0)
			x = x-d;
			else x += d;
	    }
		x = min(x-d,x+d);
		//cout << abs(x) << endl;
		printf("%d\n",x);
	}
	
}

Compiler output:
main.c: In function 'main':
main.c:18:21: error: implicit declaration of function 'min'; did you mean 'main'? [-Wimplicit-function-declaration]
   18 |                 x = min(x-d,x+d);
      |                     ^~~
      |                     main
Language: C++

#include <iostream>
using namespace std;
int main(int argc, char const *argv[])
{
	unsigned long long x,k,d;
	cin>>x>>k>>d;

	for (unsigned long long i = 0; i < k; ++i)
	{
		if(x>=0){
			x-=d;
			continue;
		}
		x+=d;
	}
	
	cout<<abs(x)<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:17:18: error: call of overloaded 'abs(long long unsigned int&)' is ambiguous
   17 |         cout<<abs(x)<<endl;
      |               ~~~^~~
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/c++/14/ext/string_conversions.h:43,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/stdlib.h:980:12: note: candidate: 'int abs(int)'
  980 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
In file included from /usr/include/c++/14/cstdlib:81:
/usr/include/c++/14/bits/std_abs.h:137:3: note: candidate: 'constexpr __float128 std::abs(__float128)'
  137 |   abs(__float128 __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:85:3: note: candidate: 'constexpr __int128 std::abs(__int128)'
   85 |   abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)'
   79 |   abs(long double __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)'
   75 |   abs(float __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)'
   71 |   abs(double __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |   ^~~
Language: C++

#include <iostream>
#include <cmath>

using namespace std;

int main(){
    long long x, k, d, quot, k_temp;
    inFile >> x >> k >> d;
    x = abs(x);
  
    if (k > 3){
        quot = x / d;
        if (k > quot){
            k = (k - quot) & 1?3:2;
            x = x % d;
        } else {
            k_temp = k;
            k = (quot - k) & 1?3:2;
            x = x - d * (k_temp - k);
        }
    }
    

    while(k > 0){
        if(d > x)
            x = abs(x - d);
        else{
            if (k > 1 && x < abs(x - 2 *d))
                x = x + d;
            else
                x = abs(x - d);
        }
        k--;
    }

    cout << x << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'inFile' was not declared in this scope; did you mean 'inline'?
    8 |     inFile >> x >> k >> d;
      |     ^~~~~~
      |     inline
Language: C++

#include <iostream>
#include <cmath>

int main(){
    long long x, k, d, quot, k_temp;
    inFile >> x >> k >> d;
    x = abs(x);
  
    if (k > 3){
        quot = x / d;
        if (k > quot){
            k = (k - quot) & 1?3:2;
            x = x % d;
        } else {
            k_temp = k;
            k = (quot - k) & 1?3:2;
            x = x - d * (k_temp - k);
        }
    }
    

    while(k > 0){
        if(d > x)
            x = abs(x - d);
        else{
            if (k > 1 && x < abs(x - 2 *d))
                x = x + d;
            else
                x = abs(x - d);
        }
        k--;
    }

    cout << x << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'inFile' was not declared in this scope; did you mean 'inline'?
    6 |     inFile >> x >> k >> d;
      |     ^~~~~~
      |     inline
a.cc:34:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   34 |     cout << x << endl;
      |     ^~~~
      |     std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:34:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   34 |     cout << x << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <iostream>
#include <cmath>

int main(){
    if (k > 3){
        quot = x / d;
        if (k > quot){
            k = (k - quot) & 1?3:2;
            x = x % d;
        } else {
            k_temp = k;
            k = (quot - k) & 1?3:2;
            x = x - d * (k_temp - k);
        }
    }
    

    while(k > 0){
        if(d > x)
            x = abs(x - d);
        else{
            if (k > 1 && x < abs(x - 2 *d))
                x = x + d;
            else
                x = abs(x - d);
        }
        k--;
    }

    cout << x << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'k' was not declared in this scope
    5 |     if (k > 3){
      |         ^
a.cc:6:9: error: 'quot' was not declared in this scope
    6 |         quot = x / d;
      |         ^~~~
a.cc:6:16: error: 'x' was not declared in this scope
    6 |         quot = x / d;
      |                ^
a.cc:6:20: error: 'd' was not declared in this scope
    6 |         quot = x / d;
      |                    ^
a.cc:11:13: error: 'k_temp' was not declared in this scope; did you mean 'mktemp'?
   11 |             k_temp = k;
      |             ^~~~~~
      |             mktemp
a.cc:18:11: error: 'k' was not declared in this scope
   18 |     while(k > 0){
      |           ^
a.cc:19:12: error: 'd' was not declared in this scope
   19 |         if(d > x)
      |            ^
a.cc:19:16: error: 'x' was not declared in this scope
   19 |         if(d > x)
      |                ^
a.cc:30:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   30 |     cout << x << endl;
      |     ^~~~
      |     std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:30:13: error: 'x' was not declared in this scope
   30 |     cout << x << endl;
      |             ^
a.cc:30:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   30 |     cout << x << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/iostream:41:
/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>
typedef long long ll;
using namespace std;
#define mod 1000000007
int main()
{
ll i,x,k,d,z,dist;
cin>>x>>k>>d;
if(x<0)
    x=x*(-1);
if(d>=x&&k%2==1)
    dist=min(d-x);
else if(d>=x&&k%2==0)
    dist=x;
else if(d<x)
{
    z=x/d;ll mini=min(z,k);
    if((z%2==0&&k%2==0)||(z%2==1&&k%2==1))
        dist=x-mini*d;
    else
        dist=abs(x-(mini+1)*d);
}
cout<<dist;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:13: error: no matching function for call to 'min(ll)'
   12 |     dist=min(d-x);
      |          ~~~^~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   template argument deduction/substitution failed:
a.cc:12:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   12 |     dist=min(d-x);
      |          ~~~^~~~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   candidate expects 2 arguments, 1 provided
Language: C++

#include<bits/stdc++.h>   
#define ll long long int  
#define mkp make_pair 
#define mod 1000000007 
#define maxn 100001 
#define ff first
#define ss second
using namespace std;     
bool check(int i,int j,int k){  
    return (i!=j&&j!=k&&k!=i);
    } 

int32_main(){    
  ios_base::sync_with_stdio(false); 
  cin.tie(NULL);    
  ll x,k,d; 
  cin>>x>>k>>d;  
  ll temp=x/d;  
  if(x<0)x*=-1;
  if(k<=temp){   
     cout<<abs(x-(k*d))<<"\n"; 
  } 
  else{  
     ll left=k-temp; 
     x-=(temp*d);
    
     if(left%2==1) 
        cout<<abs(x-d)<<"\n"; 
      else  
       cout<<abs(x)<<"\n"; 
    }
 
       
}


Compiler output:
a.cc:13:1: error: ISO C++ forbids declaration of 'int32_main' with no type [-fpermissive]
   13 | int32_main(){
      | ^~~~~~~~~~
a.cc: In function 'int int32_main()':
a.cc:34:1: warning: no return statement in function returning non-void [-Wreturn-type]
   34 | }
      | ^
Language: C++

X, K, D = map(int ,input().split())

if K  < abs(X) / D:
    ans = abs(X) - K * D
else:
    if abs(X) // D % 2 == 0:
        if K % 2 == 0:
            ans = abs(X) % D
        else:
            ans = abs(abs(X) % D - D)
    else:
        if K % 2 == 0:
            ans = abs(abs(X) % D - D)
        else:
            ans = abs(X) % D

print(ans)


Compiler output:
a.cc:1:1: error: 'X' does not name a type
    1 | X, K, D = map(int ,input().split())
      | ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> istream &operator>>(istream &is, vector<T> &v){ for (auto &x : v) is >> x; return is; }
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
    REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
    REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}
#define vi vector<int>
#define vii vector<vector<int>>
#define mii map<int,int>
#define Sort(v) sort(v.begin(),v.end())
#define Reverse(v) reverse(v.begin(),v.end())
#define ALL(a)  (a).begin(),(a).end()
#define pb push_back
#define mp make_pair
//#define int ll

const int md = 1000000007;
const int INF = 1<<30;

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

    x = abs(x);
    int cnt = x/d;
    bool f = false;

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

    int a = x - cnt*d;
    k = k-cnt;
    
    if((k%2 == 0){
        cout << a << endl;
    }else{
        cout << abs(a-d) << endl;
    }
    
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:46:18: error: expected ';' before '{' token
   46 |     if((k%2 == 0){
      |                  ^
      |                  ;
a.cc:48:6: error: expected primary-expression before 'else'
   48 |     }else{
      |      ^~~~
a.cc:48:6: error: expected ')' before 'else'
   48 |     }else{
      |      ^~~~
      |      )
a.cc:46:7: note: to match this '('
   46 |     if((k%2 == 0){
      |       ^
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>

using namespace std;
using namespace boost::multiprecision;

inline bool isEven(const int128_t a) { return 0 == a % 2; }

int main() {
	int128_t X, K, D;
	cin >> X >> K >> D;
	int128_t absX = abs(X);

	int128_t minAbs;


	if(absX >= D) {
		if(K <= absX / D) {
			minAbs = absX - K * D;
		} else {
			if(isEven(K)) {
				if(isEven(absX / D)) {
					minAbs = absX - (absX / D) * D;
					int128_t _abs = abs(minAbs - 2 * D);
					minAbs = min(minAbs, _abs);
				} else {
					minAbs = absX - (absX / D - 1) * D;
					int128_t _abs = abs(minAbs - 2 * D);
					minAbs = min(minAbs, _abs);
					int128_t _abs = abs(minAbs - 2 * D);
					minAbs = min(minAbs, _abs);
				}
			}
		}
	} else {
		if(isEven(K)) {
			minAbs = absX;
		} else {
			minAbs = abs(absX - D);
		}
	}

	cout << minAbs << 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>
#include <boost/multiprecision/cpp_int.hpp>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int,int>;


int main() {
    int128_t x, k, d;
    cin >> x >> k >> d;

    if (x < 0) x = -x;
    int128_t res = 0;
    if (x > k * d) {
        res =  x - k * d;
        cout << res << endl;
        return 0;
    }

    //　原点はさんでちょこまかするパタン
    int128_t restK = k - abs(x) / d;
    if (restK % 2 == 0) {
        res = abs(x - d * (k - restK));
    } else {
        res = abs(x - d * (k - restK + 1));
    }
    cout << res << 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>
using namespace std;

int main() {
	int X, K, D, L ,M, Y ;
	cin >> X >> K >> D;
  Y = abs(x);
		L = abs(Y + K * D);
	L = abs(Y + K * D);
	for (int i = 1; i < K+1; i++) {
		M =abs( Y + (K - 2 * i) * D);
		if (M < L) {
			L = M;
		}

	}
	cout << L << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: 'x' was not declared in this scope
    7 |   Y = abs(x);
      |           ^
Language: C++

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


int main() {
    int128_t x, k, d;
    cin >> x >> k >> d;

    if (x < 0) x = -x;
    int128_t res = 0;
    if (x > k * d) {
        res =  x - k * d;
        cout << res << endl;
        return 0;
    }

    //　原点はさんでちょこまかするパタン
    int128_t restK = k - abs(x) / d;
    if (restK % 2 == 0) {
        res = abs(x - d * (k - restK));
    } else {
        res = abs(x - d * (k - restK + 1));
    }
    cout << res << endl;
    return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'int128_t' was not declared in this scope; did you mean 'int8_t'?
    9 |     int128_t x, k, d;
      |     ^~~~~~~~
      |     int8_t
a.cc:10:12: error: 'x' was not declared in this scope
   10 |     cin >> x >> k >> d;
      |            ^
a.cc:10:17: error: 'k' was not declared in this scope
   10 |     cin >> x >> k >> d;
      |                 ^
a.cc:10:22: error: 'd' was not declared in this scope
   10 |     cin >> x >> k >> d;
      |                      ^
a.cc:13:13: error: expected ';' before 'res'
   13 |     int128_t res = 0;
      |             ^~~~
      |             ;
a.cc:15:9: error: 'res' was not declared in this scope; did you mean 'rep'?
   15 |         res =  x - k * d;
      |         ^~~
      |         rep
a.cc:21:13: error: expected ';' before 'restK'
   21 |     int128_t restK = k - abs(x) / d;
      |             ^~~~~~
      |             ;
a.cc:22:9: error: 'restK' was not declared in this scope
   22 |     if (restK % 2 == 0) {
      |         ^~~~~
a.cc:23:9: error: 'res' was not declared in this scope; did you mean 'rep'?
   23 |         res = abs(x - d * (k - restK));
      |         ^~~
      |         rep
a.cc:25:9: error: 'res' was not declared in this scope; did you mean 'rep'?
   25 |         res = abs(x - d * (k - restK + 1));
      |         ^~~
      |         rep
a.cc:27:13: error: 'res' was not declared in this scope; did you mean 'rep'?
   27 |     cout << res << endl;
      |             ^~~
      |             rep
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int64_t X, K, D;
  cin >> X >> K >> D;
  X = abs(X);
  int64_t dis = X / D;
  int64_t ans;
  if (dis > K) {
    ans = X - K*D;
  }
  else {
    if ((dis % 2) == (K % 2)) {
      ans = X % D;
    }
    else {
      ans = (X % D) - D;
    }
  }
  cout << abs(ans) << endl;
  
  return 0;
}
#include <bits/stdc++.h>
using namespace std;

int main() {
  int64_t X, K, D;
  cin >> X >> K >> D;
  abs(X);
  int64_t dis = X / D;
  int64_t ans;
  if (dis > K) {
    ans = X - K*D;
  }
  else {
    if ((dis % 2) == (K % 2)) {
      ans = X % D;
    }
    else {
      ans = (X % D) - D;
    }
  }
  cout << abs(ans) << endl;
  
  return 0;
}


Compiler output:
a.cc:28:5: error: redefinition of 'int main()'
   28 | int main() {
      |     ^~~~
a.cc:4:5: note: 'int main()' previously defined here
    4 | int main() {
      |     ^~~~
Language: Java

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

Compiler output:
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C

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

int main() {
    //
    long long x, k, d;

    cin >> x >> k >> d;
    x = abs(x);
    long long tmp;

    if (x /d > k) {
        cout << x - (k * d);
    } else {
        tmp = (x / d);
        k -= tmp;
        x -= tmp * d;
        if (k % 2 == 0)
            cout << abs(x);
        else cout << abs(x - d);
    }
}


Compiler output:
main.c: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>
using namespace std;
typedef long long ll;
#define rep(k,i,n) for(ll i=k;i<n;++i)
int main(void){
    ll x,k,d;
    cin>>x>>k>>d;
    x=abs(x);
    if(x-k*d>0){
        cout<<x-k*d;
    }else{
        ll ans=(k%2==x/d%2)?(min(abs(x-(x/d)*d),abs(x-(x/d)*d-2*d)):(min(abs(x-(x/d)*d-d),abs(x-(x/d)*d+d)));
        cout<<ans;
    }
   
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:68: error: expected ')' before ':' token
   12 |         ll ans=(k%2==x/d%2)?(min(abs(x-(x/d)*d),abs(x-(x/d)*d-2*d)):(min(abs(x-(x/d)*d-d),abs(x-(x/d)*d+d)));
      |                             ~                                      ^
      |                                                                    )
a.cc:12:109: error: expected ':' before ';' token
   12 |         ll ans=(k%2==x/d%2)?(min(abs(x-(x/d)*d),abs(x-(x/d)*d-2*d)):(min(abs(x-(x/d)*d-d),abs(x-(x/d)*d+d)));
      |                                                                                                             ^
      |                                                                                                             :
a.cc:12:109: error: expected primary-expression before ';' token
Language: C++

using System;
using System.Linq;
using System.Security.Cryptography.X509Certificates;

namespace _0815
{
    class Program
    {
        static long x, k, d;
        static void Main(string[] args)
        {
            var xkd = Console.ReadLine().Split(' ').Select(i => long.Parse(i)).ToArray();
            x = xkd[0];
            k = xkd[1];
            d = xkd[2];

            long result = Solution();
            Console.WriteLine(result);
        }

        static long Solution()
        {
            x = Math.Abs(x);
            long res = 0;
            if (x/d >= k)
            {
                res = x - k * d;
            }
            else
            {
                while (x >= d)
                {
                    x -= d;
                    k--;
                }
                k = k % 2;
                res = x - d * k;
            }
            res = Math.Abs(res);
            return res;
        }
    }
}


Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Linq;
      |       ^~~~~~
a.cc:3:7: error: expected nested-name-specifier before 'System'
    3 | using System.Security.Cryptography.X509Certificates;
      |       ^~~~~~
a.cc:10:26: error: 'string' has not been declared
   10 |         static void Main(string[] args)
      |                          ^~~~~~
a.cc:10:35: error: expected ',' or '...' before 'args'
   10 |         static void Main(string[] args)
      |                                   ^~~~
a.cc:42:6: error: expected ';' after class definition
   42 |     }
      |      ^
      |      ;
a.cc: In static member function 'static void _0815::Program::Main(int*)':
a.cc:12:13: error: 'var' was not declared in this scope
   12 |             var xkd = Console.ReadLine().Split(' ').Select(i => long.Parse(i)).ToArray();
      |             ^~~
a.cc:13:17: error: 'xkd' was not declared in this scope
   13 |             x = xkd[0];
      |                 ^~~
a.cc:18:13: error: 'Console' was not declared in this scope
   18 |             Console.WriteLine(result);
      |             ^~~~~~~
a.cc: In static member function 'static long int _0815::Program::Solution()':
a.cc:23:17: error: 'Math' was not declared in this scope
   23 |             x = Math.Abs(x);
      |                 ^~~~
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
using namespace std;

int main() {
  
  mp::cpp_int x, k, d;
  cin >> x >> k >> d;
  mp::cpp_int z = x;
  
  for(int i = 0; i < k; i++){
    if(z >= 0){
      z = z - d;
    } else {
      z = z + d;
    }
  }
  
  cout << abs(z);
}


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>
using namespace std;

int main(){
	unsigned long long int x;
	long long int k,d;
	cin >> x>>k>>d;
	if(x<0)x=-1*x;
	long long int a = x/d;
	if(a<k && -1*a<k){
	x = x - a*d;
	k = k-a;
	}
	else{
		if(x>0)cout << x-k*d<< endl; 
		else cout << x+k*d <<endl;
		return 0;
	}
	if(k%2==0)cout << x<<endl;
	else cout << abs(x-d)<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:25: error: call of overloaded 'abs(long long unsigned int)' is ambiguous
   20 |         else cout << abs(x-d)<<endl;
      |                      ~~~^~~~~
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
                 from a.cc:1:
/usr/include/stdlib.h:980:12: note: candidate: 'int abs(int)'
  980 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
In file included from /usr/include/c++/14/cstdlib:81:
/usr/include/c++/14/bits/std_abs.h:137:3: note: candidate: 'constexpr __float128 std::abs(__float128)'
  137 |   abs(__float128 __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:85:3: note: candidate: 'constexpr __int128 std::abs(__int128)'
   85 |   abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)'
   79 |   abs(long double __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)'
   75 |   abs(float __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)'
   71 |   abs(double __x)
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |   ^~~
/usr/include/c++/14/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |   ^~~
Language: C++

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

int main(){
    long long x,K,D,ans,cnt;
    cin >> x >> K >> D;
    if(x<0) x = -x;
    if(x>D=K){
        ans = x-K*D;
    }else{

        K -= x/D;
        cnt = x%D;
        if(K%2==0){
            ans = cnt;
        }else{
            ans = D - cnt;
        }
    }
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: lvalue required as left operand of assignment
    8 |     if(x>D=K){
      |        ~^~
Language: C++

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

int main(){
    long long x,K,D,ans,cnt;
    cin >> x >> K >> D;
    if(x<0) x = -x;
    if(x>=K*D){
        ans = x-K*D;
    }

        K -= x/D;
        if(cnt%2==0){
            ans = x%D;
        }else{
            ans = D - x%D;
        }
    cout << ans << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:18:25: error: expected '}' at end of input
   18 |     cout << ans << endl;
      |                         ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
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; 
            for(int i = 0; i < k-num+1; i += 2){
                ans += k;
            }
            for(int i = 1; i < k-num+1; i += 2){
                ans -= k;
            }
            if(ans >= 0) cout << ans << endl;
            else cout << -1*ans << endl;
        }    
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:50:2: error: expected '}' at end of input
   50 | }
      |  ^
a.cc:13:11: note: to match this '{'
   13 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
#include <cstdlib>  
#include <cmath>
#define rep(i,n) for (int i=0;i<(n);++i)
using namespace std;
using ll = long long;
using P= pair<ll,ll>;
 
int main() {
    ll X,K,D;
    cin>>X>>K>>D;
    X=abs(X);
    if(K>=X/D){
      K-=X/D;
      X-=X/D*D;
      K=K%2;
    }
    cout<<abs(X-d*K)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:17: error: 'd' was not declared in this scope
   18 |     cout<<abs(X-d*K)<<endl;
      |                 ^
Language: C

#include<stdio.h>

int main()
{
  double x, k, d;
  scanf("%lf %lf %lf", &x, &k, &d);
  
  double absX = fabs(x);
  if (absX > k * d) {
    // 原点に到達できないとき
    printf("%d\n", absX - k * d);
    return 0;
  }
  
  if (absX % d == 0) {
    // 原点に移動することがあるとき
    int moveCount = x / d;
    int remainingMoveCount = k - moveCount;
    if (remainingMoveCount % 2 == 0) {
      // 原点にはじめて移動した後の残移動回数が偶数なら原点
      printf("0\n");
    } else {
      // 奇数なら原点から一度移動した座標
      printf("%d\n", d);
    }
  }
}

Compiler output:
main.c: In function 'main':
main.c:8:17: error: implicit declaration of function 'fabs' [-Wimplicit-function-declaration]
    8 |   double absX = fabs(x);
      |                 ^~~~
main.c:2:1: note: include '<math.h>' or provide a declaration of 'fabs'
    1 | #include<stdio.h>
  +++ |+#include <math.h>
    2 | 
main.c:8:17: warning: incompatible implicit declaration of built-in function 'fabs' [-Wbuiltin-declaration-mismatch]
    8 |   double absX = fabs(x);
      |                 ^~~~
main.c:8:17: note: include '<math.h>' or provide a declaration of 'fabs'
main.c:15:12: error: invalid operands to binary % (have 'double' and 'double')
   15 |   if (absX % d == 0) {
      |            ^
Language: C++

#include<bits/stdc++.h>


using namespace std;

typedef long long ll;
const double eps = 1e-9;



int main(void)
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

        ll x,k,d;
    cin>>x>>k>>d;

        if(x<0)
        {
            x*=-1;
        }
            ll moves = x/d;
            if(k<=m)
            {
                cout<<x-(k*d)<<endl;
            }
            else
            {
                 ll ans;
            if((k-moves) % 2 == 0)
            {
                ans = x-(moves*d);

            }
            else
            {
                ans = llabs(x-(moves*d) - d);
            }
            cout<<ans<<endl;
            }
           

        





}

/*
 ll x,k,d;
    cin>>x>>k>>d;
    if(x==0)
    {
        if(k%2)
        {
            cout<<x+d<<endl;;
        }
        else
        {
            cout<<0<<endl;
        }
    }
    else if(x>0)
    {
        if(x-k*d>=0)
        {
            cout<<x-k*d<<endl;
        }
        else
        {
           ll moves = x/d;
            ll ans;
            if((k-moves) % 2 == 0)
            {
                ans = x-moves*d;

            }
            else
            {
                ans = llabs(x-moves*d - d);
            }
            cout<<ans<<endl;

        }


    }
    else if(x<0)
    {
        if(x+k*d<=0)
        {
            cout<<x+k*d<<endl;
        }
        else
        {
           ll moves = x/d * -1;
            ll ans;
            if((k-moves) % 2 == 0)
            {
                ans = x+moves*d;

            }
            else
            {
                ans = llabs(x+moves*d + d);
            }
            cout<<ans<<endl;

        }
    }

*/


Compiler output:
a.cc: In function 'int main()':
a.cc:25:19: error: 'm' was not declared in this scope
   25 |             if(k<=m)
      |                   ^
Language: C

#include <algorithm>
#include <cmath>
#include <deque>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <tuple>
#include <vector>
using namespace std;
typedef long long ll;
ll const INF = 1LL << 60;

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

Compiler output:
main.c:1:10: fatal error: algorithm: No such file or directory
    1 | #include <algorithm>
      |          ^~~~~~~~~~~
compilation terminated.
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:13:30: error: expected ')' before '{' token
   13 |         else if ((k % 2 == 0) {
      |                 ~            ^~
      |                              )
a.cc:19:5: error: expected primary-expression before '}' token
   19 |     }
      |     ^
Language: C++

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


int main() {
    int64_t x, k, d;
    cin >> x >> k >> d;

    x = abs(x);
    int64_t res = 0;
    if (x >= k * d) {
        res =  x - k * d;
        cout << res << endl;
        return 0;
    }

    //　原点はさんでちょこまかするパタン
    int64_t k = k - x / d;
    x = x - x / d * d;
    if (k % 2 == 0) {
        res = x;
    } else {
        res = abs(x - d);
    }
    cout << res << endl;
    return 0;



}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:13: error: redeclaration of 'int64_t k'
   21 |     int64_t k = k - x / d;
      |             ^
a.cc:9:16: note: 'int64_t k' previously declared here
    9 |     int64_t x, k, d;
      |                ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:2:3: error: 'll' was not declared in this scope
    2 |   ll X, K, D;
      |   ^~
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> X >> K >> D;
      |   ^~~
a.cc:3:10: error: 'X' was not declared in this scope
    3 |   cin >> X >> K >> D;
      |          ^
a.cc:3:15: error: 'K' was not declared in this scope
    3 |   cin >> X >> K >> D;
      |               ^
a.cc:3:20: error: 'D' was not declared in this scope
    3 |   cin >> X >> K >> D;
      |                    ^
a.cc:4:5: error: expected ';' before 'ans'
    4 |   ll ans = 0;
      |     ^~~~
      |     ;
a.cc:5:7: error: 'abs' was not declared in this scope
    5 |   if (abs(X) >= K * D) {
      |       ^~~
a.cc:6:5: error: 'ans' was not declared in this scope
    6 |     ans = abs(X) - K * D;
      |     ^~~
a.cc:8:5: error: 'ans' was not declared in this scope
    8 |     ans = abs(X) % D;
      |     ^~~
a.cc:10:7: error: expected ';' before 'minv'
   10 |     ll minv = abs(X) % D;
      |       ^~~~~
      |       ;
a.cc:11:5: error: 'ans' was not declared in this scope
   11 |     ans = abs(minv - D);
      |     ^~~
a.cc:11:15: error: 'minv' was not declared in this scope
   11 |     ans = abs(minv - D);
      |               ^~~~
a.cc:13:3: error: 'cout' was not declared in this scope
   13 |   cout << ans << endl;
      |   ^~~~
a.cc:13:11: error: 'ans' was not declared in this scope
   13 |   cout << ans << endl;
      |           ^~~
a.cc:13:18: error: 'endl' was not declared in this scope
   13 |   cout << ans << endl;
      |                  ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  ll X, K, D;
  cin >> X >> K >> D;
  if (X<0) {
    X *= -1
  }
  ll dis = X / D;
  ll ans;
  if (dis >= K) {
    ans = X - K*D;
  }
  else {
    if ((dis % 2) == (K % 2)) {
      ans = X % D;
    }
    else {
      ans = D- (X % D);
    }
  }
  cout << ans << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'll' was not declared in this scope
    5 |   ll X, K, D;
      |   ^~
a.cc:6:10: error: 'X' was not declared in this scope
    6 |   cin >> X >> K >> D;
      |          ^
a.cc:6:15: error: 'K' was not declared in this scope
    6 |   cin >> X >> K >> D;
      |               ^
a.cc:6:20: error: 'D' was not declared in this scope
    6 |   cin >> X >> K >> D;
      |                    ^
a.cc:10:5: error: expected ';' before 'dis'
   10 |   ll dis = X / D;
      |     ^~~~
      |     ;
a.cc:11:5: error: expected ';' before 'ans'
   11 |   ll ans;
      |     ^~~~
      |     ;
a.cc:12:7: error: 'dis' was not declared in this scope; did you mean 'div'?
   12 |   if (dis >= K) {
      |       ^~~
      |       div
a.cc:13:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |     ans = X - K*D;
      |     ^~~
      |     abs
a.cc:17:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   17 |       ans = X % D;
      |       ^~~
      |       abs
a.cc:20:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   20 |       ans = D- (X % D);
      |       ^~~
      |       abs
a.cc:23:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

#include <cstdio>
#include <cmath>
#include <limits>
#include <fstream>
#include <iostream>
#include <algorithm>
#include <vector>
#include <utility>
#include <cstring>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <cstdint>
#define rep(i, s, g) for (i = s; i < g; i++)
using namespace std;
using ll = long long;

const ll mod = 1000000000 + 7; //10^9

int main() {
    ll X, K, D;
    cin >> X ;
    cin >> K;
    cin >> D;

    X = abs(X);
    

    bool c = false;
    
    
    for (ll i = 0; i < K; i++)
    {       
        if (X >= 0)
        {
            X -= D;
            if (X < 0)
            {
                if (D % 2 == 1)
                {
                    c = true;
                }
                
                if (K > 5)
                {
                    while (K > 5)
                    {
                        K /= 2;
                    }
                    if (K % 2 == 0 && c)
                    {
                        K++;
                    }
                    else if(K % 2 == 1 && !c){
                        K++;
                    }
                }
            }
        }else
        {
            X += D;
            if (X > 0)
            {
                if (D % 2 == 1)
                {
                    c = true;
                }
                
                if (K > 5)
                {
                    while (K > 5)
                    {
                        K /= 2;
                    }
                    if (K % 2 == 0 && c)
                    {
                        K++;
                    }
                    else if(K % 2 == 1 && !c){
                        K++;
                    }
                }
            }
        }
            // cout << X << endl;

    }
    cout << abs(X) << endl;
    
    
}

Compiler output:
a.cc:57:22: error: stray '\1' in program
   57 |                     }<U+0001>
      |                      ^~~~~~~~
a.cc:82:22: error: stray '\1' in program
   82 |                     }<U+0001>
      |                      ^~~~~~~~
Language: C++

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

typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> P;

int main()
{
    ll X, K, D;
    cin >> X >> K >> D;
    ll ans = X;
    ll tmp = abs(X) / D;
    if (tmp <= K)
    {
        if ((K - tmp) % 2 == 1)
        {
            ans = min(abs(X % D + D), abs(X % D - D));
        }
        else
        {
            ans = X % D;
        }
    }
    else
    {
        ans = min(abs(X - D * K), abs(X + D * K));
    }
    cout << ans << endl;
    //ll min = 1000000000000001;
    //for (int i = 0; i < K; i++) {
    //    if (abs(X - D) > abs(X + D)) X += D;
    //    else X -= D;
    //}
    /*
    ll left = 0, right = K;
    ll mid = (left + right) / 2;
    ll min_v = abs(X + (mid + 1) * D - (K - mid - 1) * D);
    ll old = mid + 1;
    bool flag = true;
    while (right > left) {
        mid = (left + right) / 2;
        ll tmp = X + mid * D - (K - mid) * D;
        if (abs(tmp) < min_v) {
            min_v = abs(tmp);
            if (old > mid) right = mid;
            else left = mid + 1;
            old = mid;
        } else if (abs(tmp) > min_v) {
            min_v = abs(tmp);
            if (old > mid) left = mid + 1;
            else right = mid;
            old = mid;
        } else {
            left = right = (mid + old) / 2;
            break;
        }
    }
    cout << left << endl;
    cout << abs(X + left * D - (K - left) * D) << endl;
    */
    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> using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> P;

int main()
{
    ll X, K, D;
    cin >> X >> K >> D;
    ll ans = X;
    ll tmp = abs(X) / D;
    if (tmp <= K)
    {
        if ((K - tmp) % 2 == 1)
        {
            ans = min(abs(X % D + D), abs(X % D - D));
        }
        else
        {
            ans = X % D;
        }
    }
    else
    {
        ans = min(abs(X - D * K), abs(X + D * K));
    }
    cout << ans << endl;
    //ll min = 1000000000000001;
    //for (int i = 0; i < K; i++) {
    //    if (abs(X - D) > abs(X + D)) X += D;
    //    else X -= D;
    //}
    /*
    ll left = 0, right = K;
    ll mid = (left + right) / 2;
    ll min_v = abs(X + (mid + 1) * D - (K - mid - 1) * D);
    ll old = mid + 1;
    bool flag = true;
    while (right > left) {
        mid = (left + right) / 2;
        ll tmp = X + mid * D - (K - mid) * D;
        if (abs(tmp) < min_v) {
            min_v = abs(tmp);
            if (old > mid) right = mid;
            else left = mid + 1;
            old = mid;
        } else if (abs(tmp) > min_v) {
            min_v = abs(tmp);
            if (old > mid) left = mid + 1;
            else right = mid;
            old = mid;
        } else {
            left = right = (mid + old) / 2;
            break;
        }
    }
    cout << left << endl;
    cout << abs(X + left * D - (K - left) * D) << endl;
    */
    return 0;
}


Compiler output:
a.cc:1:27: warning: extra tokens at end of #include directive
    1 | #include<bits / stdc++.h> using namespace std;
      |                           ^~~~~
a.cc:1:9: fatal error: bits / stdc++.h: No such file or directory
    1 | #include<bits / stdc++.h> using namespace std;
      |         ^~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

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

typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> P;

int main(){
    ll X, K, D;
    cin >> X >> K >> D;
    ll ans = X;
    ll tmp = abs(X) / D;
    if (tmp <= K) {
        if ((K - tmp) % 2 == 1) {
            ans = min(abs(X % D + D), abs(X % D - D));
        } else {
            ans = X % D;
        }   
    } else {
        ans = min(abs(X - D * K), abs(X + D * K));
    }
    cout << ans << endl;
    //ll min = 1000000000000001;
    //for (int i = 0; i < K; i++) {
    //    if (abs(X - D) > abs(X + D)) X += D;
    //    else X -= D;
    //}
    /*
    ll left = 0, right = K;
    ll mid = (left + right) / 2;
    ll min_v = abs(X + (mid + 1) * D - (K - mid - 1) * D);
    ll old = mid + 1;
    bool flag = true;
    while (right > left) {
        mid = (left + right) / 2;
        ll tmp = X + mid * D - (K - mid) * D;
        if (abs(tmp) < min_v) {
            min_v = abs(tmp);
            if (old > mid) right = mid;
            else left = mid + 1;
            old = mid;
        } else if (abs(tmp) > min_v) {
            min_v = abs(tmp);
            if (old > mid) left = mid + 1;
            else right = mid;
            old = mid;
        } else {
            left = right = (mid + old) / 2;
            break;
        }
    }
    cout << left << endl;
    cout << abs(X + left * D - (K - left) * D) << endl;
    */
    return 0;
}

Compiler output:
a.cc:1:1: error: '\U0000ff03include' does not name a type
    1 | ＃include <bits/stdc++.h>
      | ^~~~~~~~~
a.cc:6:9: error: 'pair' does not name a type
    6 | typedef pair<ll, ll> P;
      |         ^~~~
a.cc: In function 'int main()':
a.cc:10:5: error: 'cin' was not declared in this scope
   10 |     cin >> X >> K >> D;
      |     ^~~
a.cc:12:14: error: 'abs' was not declared in this scope; did you mean 'ans'?
   12 |     ll tmp = abs(X) / D;
      |              ^~~
      |              ans
a.cc:15:19: error: 'min' was not declared in this scope; did you mean 'main'?
   15 |             ans = min(abs(X % D + D), abs(X % D - D));
      |                   ^~~
      |                   main
a.cc:20:15: error: 'min' was not declared in this scope; did you mean 'main'?
   20 |         ans = min(abs(X - D * K), abs(X + D * K));
      |               ^~~
      |               main
a.cc:22:5: error: 'cout' was not declared in this scope
   22 |     cout << ans << endl;
      |     ^~~~
a.cc:22:20: error: 'endl' was not declared in this scope
   22 |     cout << ans << endl;
      |                    ^~~~