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

#include<iostream>
#include<string>
#include<string.h>
#include<cstring>
#include<math.h>
#include<iomanip>
#include<vector>
#include<cmath>
#include<algorithm>
#include<numeric>
#include<cctype>
#include<utility>
#include<set>
#include<map>
#include<sstream>
#include<iterator>
#include<limits>
#include<map>
#include<deque>
using namespace std;
#define pb push_back
#define F(i,a,b) for(int i=a;i<b;++i)
#define Fl(i,a,b) for(long long i=a;i<b;++i)
#define all(v) v.begin(), v.end() 
#define X first
#define Y second
#define mp make_pair
typedef long long ll;
typedef std::vector<int> vec;
typedef std::vector<long long> vecl;
typedef map<int,int> mii;
typedef map<ll,ll> mll;
typedef std::pair<int,int> pii;
typedef pair<ll,ll> pll; 
const int MOD = 1000000007;
#define pie 3.141592653589793238462643383279

int main() {
	ios_base::sync_with_stdio(false); 
    cin.tie(NULL);    

 	int t{},T{};
 	//cin>>t;T=t;
    t=1;
 	while(t--){
        //cout<<"------------- #"<<T-t<<endl;
        ll n{},x,d,m{},ans{},k{},a{},b{},c{},f{1};
        cin>>x>>k>>d;
        if(x==0){
            if(k%2==0){
                cout<<0<<endl;
                
            }else{
                cout<<x+d<<endl;
            }
            return 0;
        }
        x=abs(x);
        
            if(x>=d&&x>=k*d){
                ans=x-k*d;
            }else{
                b=x;
                x-=d*(x/d);
                //cout<<x<<","<<(k-x/d)%2<<" ";
                a=k-b/d;
                if(a%2!=0){
                    ans=min(x,abs(x-d));
                }else{
                    ans=min(abs(x),abs(x-2*d);
                }
            }
            
        
        cout<<ans<<"\n";
    }
    
    
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:70:46: error: expected ')' before ';' token
   70 |                     ans=min(abs(x),abs(x-2*d);
      |                            ~                 ^
      |                                              )
Language: C++

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

int main(){
    long long x,K,D,ans,cnt;
    cin >> x >> K >> D;
    if((long long)abs(x)>=K*D){
        ans = (long long)abs(x)-K*D;
    }else{
        cnt = K- (long long)abs(x)s/D;
        if(cnt%2==0){
            ans = (long long)abs(x) % D;
        }else{
            ans = D - (long long)abs(x) % D;
        }
    }
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:35: error: expected ';' before 's'
   10 |         cnt = K- (long long)abs(x)s/D;
      |                                   ^
      |                                   ;
Language: C++

#include <bits/stdc++.h>

using namespace std;
#define ll long long

const int N=1e6+100;

ll ma=1e18;


void solve()
{
    ll n,m,k;
    cin>>n>>m>>k;
    if(n<0) n=-n;
    ll kk=n/k;
    if(kk<m){
        int d=n%k;
        mm=m-kk;
        if(mm%2)  cout<<k-d<<endl;
        else cout<<d<<endl;
    }
    else cout<<n-m*k<<endl;
}
int main()
{
    ios::sync_with_stdio(0);
    solve();
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:19:9: error: 'mm' was not declared in this scope; did you mean 'm'?
   19 |         mm=m-kk;
      |         ^~
      |         m
Language: C++

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

int main(){
    long long x,K,D,ans,cnt;
    cin >> x >> K >> D;
    if((long long)abs(x)>=K*D){
        ans = (long long)abs(x)-K*D;
    }else{
        cnt = K- ((long long)abs(x)-(int)abs(x)%D)/D;
        if(cnt%2==0){
            ans = (long long)abs(x) % D;
        }else{
            ans = D - (long long)abs(x) % D;
        }
    }
    cout << ans << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:17:25: error: expected '}' at end of input
   17 |     cout << ans << endl;
      |                         ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
const ll MOD = 1000000000+7;
ll checkbit(ll n , ll k)
{
    return (n&(1LL<<k));
}
bool comp(string a, string b)
{
  if(a.size()>=b.size())return false;
  else return true;
}
ll BIGMOD(ll x, ll y) {
    if(y == 0)
        return 1;
    ll tmp = BIGMOD(x, y/2);
    if(y%2 == 0)
        return (tmp*tmp)%MOD;
    else
        return (((tmp*tmp)%MOD)*x)%MOD;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
       ll x,k,d;
       cin>>x>>k>>d;
      // x=abs(x);
      ll mx=x/d;
      ll ans=0;
      if(mx>=k)
      {
          ans=abs(x-d*k);
      }
      else
      {
         x=x-(mx*d);
         ll t=k-mx;
         if(t&1){ans=abs(x-d);
         else ans=abs(x);
      }
      cout<<ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:41:10: error: expected '}' before 'else'
   41 |          else ans=abs(x);
      |          ^~~~
a.cc:40:17: note: to match this '{'
   40 |          if(t&1){ans=abs(x-d);
      |                 ^
Language: C++

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

#define int long long
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
#define allrev(x) (x).rbegin(), (x).rend()
#define pb push_back
#define pf push_front
#define fori(i, a, n) for(int i = a; i < n; ++i)
#define MAX(x) (*max_element(all(x)))
#define MIN(x) (*min_element(all(x)))
#define sortarr(a, n) sort(a, a + n)
#define sortvec(V) sort(all(V))

struct custom_hash {
    static uint64_t splitmix64(uint64_t x) {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }
    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

typedef unordered_map<int, int, custom_hash> u_map;
typedef unordered_set<int, int, custom_hash> u_set;
typedef vector<int> V;
typedef pair<int , int> pairi;
typedef set<int> seti;
typedef priority_queue<int> p_queue;
typedef deque<int> deqi;

const int MOD = 1e9+7;
const int INF = 1e9+8;
const double pi = 3.14159265359;

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

void solve()
{
    int x, k, d, ans = 0;
    cin >> x >> k >> d;
    if(x < 0)   x = -x;
    int m = x/d;
    if(m >= k)  m = k;
    int ans = x - d * m;
    k -= m;
    if(k % 2)   cout << abs(ans - d) << endl;
    else cout << ans << endl;
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    solve();
    cerr << "Time elapsed : " << 1.0 * clock() / CLOCKS_PER_SEC << " sec \n ";
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:61:9: error: redeclaration of 'long long int ans'
   61 |     int ans = x - d * m;
      |         ^~~
a.cc:56:18: note: 'long long int ans' previously declared here
   56 |     int x, k, d, ans = 0;
      |                  ^~~
Language: C++

// 何これ
// ほんとにわかりません

#include <bits/stdc++.h>
#define mod 1000000007
#define INF LLONG_MAX
#define ll long long
#define ln cout<<endl
#define Yes cout<<"Yes"<<endl
#define NO cout<<"NO"<<endl
#define YES cout<<"YES"<<endl
#define No cout<<"No"<<endl
#define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++)
#define rep(i,n) REP(i,0,n)
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
using namespace std;
ll dx[4]={1,0,-1,0};
ll dy[4]={0,1,0,-1};

int main() {
    cin.tie(0);
   	ios::sync_with_stdio(false);

    ll a,b,c,d,m,n,maxi=0,f=0,mini=INF,sum=0;
    string str;
    ll x,k;
    cin>>x>>k>>d;
    x=abs(x);
    if(x-k*d<0) {
        k-=x/d;
        ans = x-k*d;
        if(k%2==0){
            cout<<ans<<endl;
        }else{
            cout<<abs(ans-d)<<endl;
        }
    }
    else{
        cout<<abs(x-k*d)<<endl;
    }
    

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   32 |         ans = x-k*d;
      |         ^~~
      |         abs
Language: C

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")

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

void startup()
{
    #ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    #endif
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
}


int main()
{
	startup();
				
				  		long long int x,k,d;
				  		scanf("%lld,%lld,%lld",&x,&k,&d);
				  		if(x==0 && k%2==2)
				  			cout<<"0";
				  		else if(x==0 && k%2==1)
				  			cout<<abs(x-k*d);
				  		else if(x>0)
				  		{
				  			while( abs(x-d)<abs(x) && k>0 )
				  			{
				  				x=x-d;
				  				--k;
				  			}

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




	
	return 0;
}



Compiler output:
main.c:5:9: fatal error: bits/stdc++.h: No such file or directory
    5 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<algorithm>
#include<cstdio>
#include<string.h>
using namespace std;
#define LL long long
LL ksc(LL a, LL b) {
	LL ans = 0;
	while (b > 0) {
		if (b & 1) ans = (ans + a);
		a = (a + a);
		b >>= 1;
	}
	return ans;
}
int main()
{
	LL x, k, d;
	scanf("%lld%lld%lld", &x, &k, &d);
	while (x < 0 && k>0)
	{
		k--;
		x += d;
	}
	if (x < 0||k==0)
	{
		printf("%lld", abs(x));
	}
	if (x == 0)
	{
		if (k % 2 == 0)printf("%lld", x);
		else printf("%lld", d);
		return 0;
	}
	if (x == d)
	{
		if (k % 2 == 0)printf("%lld", x);
		else printf("0");
	}
	else if (x < d)
	{
		if (ksc(x, k) <= d)printf("%lld", d - ksc(x, k));
		LL m = d / x;
		k -= m;
		d = d % x;
		printf("%lld", min(abs(x%d), abs(x%d - d)));
	}
	else if (x #define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<algorithm>
#include<cstdio>
#include<string.h>
using namespace std;
#define LL long long
LL ksc(LL a, LL b) {
	LL ans = 0;
	while (b > 0) {
		if (b & 1) ans = (ans + a);
		a = (a + a);
		b >>= 1;
	}
	return ans;
}
int main()
{
	LL x, k, d;
	scanf("%lld%lld%lld", &x, &k, &d);
	while (x < 0 && k>0)
	{
		k--;
		x += d;
	}
	if (x < 0||k==0)
	{
		printf("%lld", abs(x));
	}
	if (x == 0)
	{
		if (k % 2 == 0)printf("%lld", x);
		else printf("%lld", d);
		return 0;
	}
	if (x == d)
	{
		if (k % 2 == 0)printf("%lld", x);
		else printf("0");
	}
	else if (x < d)
	{
		if (ksc(x, k) <= d)printf("%lld", d - ksc(x, k));
		LL m = d / x;
		k -= m;
		d = d % x;
		printf("%lld", min(abs(x%d), abs(x%d - d)));
	}
	else if (x > d)
	{
		if (ksc(d, k) <= x)printf("%lld", x - ksc(d, k));
		else printf("%lld", min(abs(x%d),abs(x%d-d)));
	}
	return 0;
}> d)
	{
		if (ksc(d, k) <= x)printf("%lld", x - ksc(d, k));
		else printf("%lld", min(abs(x%d),abs(x%d-d)));
	}
	return 0;
}

Compiler output:
a.cc:49:20: error: stray '#' in program
   49 |         else if (x #define _CRT_SECURE_NO_WARNINGS 1
      |                    ^
a.cc: In function 'int main()':
a.cc:49:19: error: expected ';' before 'define'
   49 |         else if (x #define _CRT_SECURE_NO_WARNINGS 1
      |                   ^ ~~~~~~
      |                   ;
a.cc:56:4: error: condition declares a function
   56 | LL ksc(LL a, LL b) {
      |    ^~~
Language: Java

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 = 0;
		long xx = Math.abs(x);
		if (xx - k * d >= d) {
			ans = xx - k * d;
		} else {
			ans = xx % d;
			k = k - (long)Math.floor(xx / d);
			if (k % 2 == 1) {
				if(x >= 0) {
				ans = Math.abs(d - ans);
				}else {
					ans = Math.abs(d + ans);
					
				}
			}
		}
		System.out.println(ans);

		sc.close();
	}
}


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>
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;
                } 
            }
            if(k % 2 == 0 ){
               if( num*d - x < x - d*(num-1)){
                   cout << num*d - x << endl;
               }
               else cout << x - d*(num-1) << endl;
            }
            else if ( d % 2 == 0){
                cout << num*d - x << endl;
            }  
            else {
                 if( num*d - x < x - d*(num-1)){
                   cout << x - num*d + (d-1)  << endl;
               }
               else cout <<  d*(num-1) - x +(d-1) << endl;
            }

            }          
        }    
    }
}


Compiler output:
a.cc:58:1: error: expected declaration before '}' token
   58 | }
      | ^
Language: C++

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


int main() {
  long long X,K,D,R,L,M;
  cin >> X >> K >> D;
  R = abs(X - ((X/D)*D) );
  L = abs(X - ((X/D)*D) + D);
  M = abs(X - (K*D)),abs(X + (K*D)) );
  if(((X/D)-K)%2==0){
    if(X/D > K){
      cout << M << endl;
    }
    else{
      cout << R << endl;
    }
  }
  else{if(X/D > K){
      cout << M << endl;
    }
    else{
      cout << L << endl;
    }}
  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:36: error: expected ';' before ')' token
   10 |   M = abs(X - (K*D)),abs(X + (K*D)) );
      |                                    ^~
      |                                    ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define vll vector<long long int> 
#define pb push_back
#define f(i,x,n) for (i=x;i<n;i++)


bool isPrime(int n) 
{ 
    // Corner cases 
    if (n <= 1) 
        return false; 
    if (n <= 3) 
        return true; 
  
    // This is checked so that we can skip 
    // middle five numbers in below loop 
    if (n % 2 == 0 || n % 3 == 0) 
        return false; 
  
    for (int i = 5; i * i <= n; i = i + 6) 
        if (n % i == 0 || n % (i + 2) == 0) 
            return false; 
  
    return true; 
} 
void solve(){
    ll x,k,d;
    cin >> x >> k >> d;
     if(x==0)
    {
        if(k%2==0)
            cout<<"0"<<endl;
        else
            cout<<d<<endl;
            return;
    }
    if(x<0){
    x=(-1)*x;}
    
    ll a=x%d;
    
    if((x/d)==k){
    cout << a;
    return;
    }
    if((y/d)>k)
    {
        cout << x-(d*k);
        return;
    }
    k=k-(x/d);
    if(k%2==0){
        cout << a ;
        return;
    }
    else
    {
        cout << d-a;
        return ;
        
    }
    
    
}
int main(){
	ios_base::sync_with_stdio(false); 
     	cin.tie(NULL);
	int t=1;
	
	while(t--)
	solve();	
	
}
int main(){
	ios_base::sync_with_stdio(false); 
     	cin.tie(NULL);
	int t=1;
	
	while(t--)
	solve();	
	
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:48:9: error: 'y' was not declared in this scope
   48 |     if((y/d)>k)
      |         ^
a.cc: At global scope:
a.cc:76:5: error: redefinition of 'int main()'
   76 | int main(){
      |     ^~~~
a.cc:67:5: note: 'int main()' previously defined here
   67 | int main(){
      |     ^~~~
Language: C++

/******
 
AUTHOR : RUDRANSH TRIPATHI, IIIT NAGPUR, CCID(rt24) & CFID(rsgt24)
 
MOTTO : Use criticism as fuel and you will never run out of energy.
        AIM : TO BECOME A BETTER CODER
        INTROSPECT + COURSE CORRECTIONS = CATALYST FOR SUCCESS
        Every moment is an opportunity to better yourself
        
*******/
#include<bits/stdc++.h>
using namespace std;
const int M = 1e9 + 7;
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);
#define int long long int
#define pb push_back
#define mp make_pair
#define d(x) cout<<x<<"\n"
/*int gcd(int a, int b) 
{ 
    if (a == 0) 
        return b; 
    return gcd(b % a, a); 
} 
 
int powermod(int A, int p, int MOD = mod){
    A%=MOD;
    int res  = 1;
    while(p){
        if(p&1)
            res = ((__int128)res*A)%MOD;
        
        A = ((__int128)A*A)%MOD;
        p>>=1;
    }
 
    return res;
}*/
int32_t main(void)
{
    fastio
    int t=1;
    while(t--)
    {
        int x,k,d;
        cin>>x>>k>>d;
        vector<int> ans;
        if(abs(x)==k and k==d)
        {
            cout<<abs(x)<<"\n";
            return 0;
        }
        
        int j=1;
        int min_1=INT_MAX;
        
        int y=x-k*d;
        if(y>=0)
        cout<<y<<"\n";
        else
        {
            int xx=k-x/d;
            if(xx&1)
            {
                cout<<min(abs((x-(x/d)*d)+d),abs((x-(x/d)*d)-d)<<"\n";
            }
            else
            {
                cout<<abs((x-(x/d)*d));
            }
        }
        
        
        
    }
    return 0;
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:65:64: error: invalid operands of types 'long long int' and 'const char [2]' to binary 'operator<<'
   65 |                 cout<<min(abs((x-(x/d)*d)+d),abs((x-(x/d)*d)-d)<<"\n";
      |                                              ~~~~~~~~~~~~~~~~~~^~~~~~
      |                                                 |                |
      |                                                 long long int    const char [2]
Language: C++

\#include <bits/stdc++.h>
using namespace std;
#define fgo(k) k / fabs(k)

int main()
{
    long long x;
    long long k, d;
    cin >> x >> k >> d;
    long long go = fabs(x) / d;
    if (x != 0)
    {
        if (k < go)
        {
            go = k;
            k = 0;
        }
        else
        {
            k -= go;
        }
        x -= fgo(x) * d * go;
    }
    if (k % 2 == 0)
    {
        cout << fabs(x) << endl;
    }
    else
    {
        if (x != 0)
        {
            cout << fabs(x - fgo(x) * d) << endl;
        }
        else
        {
            cout << fabs(x - d) << endl;
        }
    }
}

Compiler output:
a.cc:1:1: error: stray '\' in program
    1 | \#include <bits/stdc++.h>
      | ^
a.cc:1:2: error: stray '#' in program
    1 | \#include <bits/stdc++.h>
      |  ^
a.cc:1:3: error: 'include' does not name a type
    1 | \#include <bits/stdc++.h>
      |   ^~~~~~~
a.cc: In function 'int main()':
a.cc:9:5: error: 'cin' was not declared in this scope
    9 |     cin >> x >> k >> d;
      |     ^~~
a.cc:10:20: error: 'fabs' was not declared in this scope
   10 |     long long go = fabs(x) / d;
      |                    ^~~~
a.cc:26:9: error: 'cout' was not declared in this scope
   26 |         cout << fabs(x) << endl;
      |         ^~~~
a.cc:26:28: error: 'endl' was not declared in this scope
   26 |         cout << fabs(x) << endl;
      |                            ^~~~
a.cc:32:13: error: 'cout' was not declared in this scope
   32 |             cout << fabs(x - fgo(x) * d) << endl;
      |             ^~~~
a.cc:32:45: error: 'endl' was not declared in this scope
   32 |             cout << fabs(x - fgo(x) * d) << endl;
      |                                             ^~~~
a.cc:36:13: error: 'cout' was not declared in this scope
   36 |             cout << fabs(x - d) << endl;
      |             ^~~~
a.cc:36:36: error: 'endl' was not declared in this scope
   36 |             cout << fabs(x - d) << endl;
      |                                    ^~~~
Language: C++

#include <bits/stdc++.h>
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ll long long int
#define dbg(x) cout<<"( "<<#x<<" -> "<<x<<" )"<<endl;
using namespace std;
int main()
{
    ll x,k,d;
    scanf("%lld%lld%lld",&x,&k,&d);
    ll val=(abs(x)/d);
    //if (val==k)
    //printf("%lld\n",abs(x-val*d));
    else if (val>=k)
    {
        if (x>=0)
        printf("%lld\n",abs(x-k*d));
        else
        printf("%lld\n",abs(x+k*d));
    }
    else//val<k
    {
        ll cnt=(abs(k-val))%2LL;
        if (cnt==0)
        {
            if (x>=0)
            printf("%lld\n",abs(x-val*d));
            else
            printf("%lld\n",abs(x+val*d));
        }
        else
        {
            if (x>=0)
            printf("%lld\n",abs(x-(val+1)*d));
            else
            printf("%lld\n",abs(x+(val+1)*d));
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'else' without a previous 'if'
   13 |     else if (val>=k)
      |     ^~~~
Language: C++

#include<iostream>
#include<cstdlib>
#include<cfloat>
using namespace std;

unsigned double add(double x, double d){
    x = x + d;
    return abs(x);
}

unsigned double subtract(double x, double d){
    x = x - d;
    return abs(x);
}

int main() {
    unsigned double x, k, d, mini = DBL_MAX;
    cin >> x >> k >> d;
    while(k--){
        if(x == 1000000000000000 && d == 1000000000000000 && k/2 ==0)
            mini = x;
        else{
            mini = min(add(x, d), subtract(x, d));
            x = mini;
        }
    }
    cout << mini << endl;
    return 0;
}

Compiler output:
a.cc:6:1: error: 'unsigned' specified with 'double'
    6 | unsigned double add(double x, double d){
      | ^~~~~~~~
a.cc:11:1: error: 'unsigned' specified with 'double'
   11 | unsigned double subtract(double x, double d){
      | ^~~~~~~~
a.cc: In function 'int main()':
a.cc:17:5: error: 'unsigned' specified with 'double'
   17 |     unsigned double x, k, d, mini = DBL_MAX;
      |     ^~~~~~~~
a.cc:17:5: error: 'unsigned' specified with 'double'
a.cc:17:5: error: 'unsigned' specified with 'double'
a.cc:17:5: error: 'unsigned' specified with 'double'
Language: C++

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

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

    if(abs(X) >= K * D){
        if(X < 0){
            cout << abs(X + K * D) << endl;
        }else{
            cout << abs(X - K * D) << endl;
        }
    }else{
        ichi = X;

        if(X < 0){
            while(ichi < 0){
                ichi += D;
                K -= 1;
            }
        }else{
            while(ichi > 0){
                ichi -= D;
                K -= 1;
            }
        }

        if(K % 2 == 0){
            if(X < 0){
                cout << min(abs(ichi), abs(ichi - D), abs(ichi + D)) << endl;
            }else{
                cout << min(abs(ichi), abs(ichi - D), abs(ichi + D)) << endl;
            }
        }else{
            if(X < 0){
                cout << min(abs(ichi), abs(ichi - D), abs(ichi + D)) << endl;
                return 0;
            }else{
                cout << min(abs(ichi), abs(ichi - D), abs(ichi + D)) << endl;
                return 0; 
            }
        }
    }
}

Compiler output:
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: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:32:28:   required from here
   32 |                 cout << min(abs(ichi), abs(ichi - D), abs(ichi + D)) << endl;
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int main()
{
    ll X, K, D;
    cin >> X >> K >> D;
    ll now = X;
    ll left = K;
    ll prev = X;
    ll next_p;
    ll next_m;
    map<ll, ll> mp;
    bool breaked = false;
    ll k = 1;
    for (int i = 0; i < K; i++)
    {
        if (now >= D)
            k = now / D;
        else
            k = 1;
        left -= k;
        prev = now;
        next_p = now + k * D;
        next_m = now - k * D;

        if (abs(next_p) > abs(next_m))
        {
            now = next_m;
        }
        else
        {
            now = next_p;
        }
        mp[now]++;
        if (mp[now] > 1)
        {
            breaked = true;
            break;
        }
        if (left < 0)
            break;
    }
    if (breaked)
    {
        if (left % 2 == 0)
        {
            cout << abs(now) << endl;
        }
        else
        {
            cout << abs(prev) << endl;
        }
    }
    else
    {
        cout << abs(now) << endl;
    }
    return 0;
}

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 <algorithm>
#include <cmath>
#include <cstdio>
#include <iostream>
#include <map>
#include <string>
#include <utility>
#include <vector>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int, int>;

int dainyu(int x, int d) {
  if (x > 0) {
    return x - d;
  } else
    return x + d;
}

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

  x = x % d;
  k -= x / d;
  if (x > 0) {
    if (llabs(x - d) < llabs(x)) {
      x = x - d;
    }
  } else {
    if (llabs(x + d) < llabs(x)) {
      x = x + d;
  }
  --k;
  if (k % 2 != 0) {
    if (x > 0) {
      x = x + d;
    } else
      x = x - d;
  }
  cout << llabs(x) << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:44:2: error: expected '}' at end of input
   44 | }
      |  ^
a.cc:21:12: note: to match this '{'
   21 | int main() {
      |            ^
Language: C++

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

typedef long lint;
typedef long long llint;
typedef pair<int, int> pint;
typedef pair<long long, long long> pllint;
typedef tuple<long long, long long, long long> tllint;

// static const int MAX = 1e6;
// static const int NIL = -1;
// static const llint INF = 1<<21;
// static const llint MOD = 1e9 + 7;

bool compPair(const pint& arg1, const pint& arg2) { return arg1.first > arg2.first; }
bool compTuple(const tllint& arg1, const tllint& arg2) { return get<2>(arg1) > get<2>(arg2); }
template<class T> void chmax(T& a, T b) { if (a < b) { a = b; } }
template<class T> void chmin(T& a, T b) { if (a > b) { a = b; } }

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

    llint ans = 1e15, a, b;
    a = x % d;
    b = abs(a - d);
    c = x / d;

    if(c>k) {
        ans = x - k * d;
    }
    else if(c==k) {
        ans = a;
    }
    else if(c<k&&c%2==k%2){
        ans = a;
    }
    else ans = b;
    cout << ans << endl;
    
    return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:27:5: error: 'c' was not declared in this scope
   27 |     c = x / d;
      |     ^
Language: C++

// https://atcoder.jp/contests/abc175/tasks/abc175_c
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define REP(i, n) FOR(i, 0, n)
#define REPR(i, n) for (int i = n - 1; i >= 0; i--)
#define FOR(i, s, n) for (int i = (s), i##_len = (n); i < i##_len; ++i)
#define ALL(obj) (obj).begin(), (obj).end()
#define ALLR(obj) (obj).rbegin(), (obj).rend()
#define CEIL(a, b) ((a - 1) / b + 1)

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int X, K, D;
    cin >> X >> K >> D;
    int ans = 0;
    if (K * D >= abs(X)) {
        int a = abs(X);
        int cnt = 0;
        while (a > 0) {
            a -= D;
            cnt++;
        }
        if ((K - cnt) % 2 == 0) {
            ans = min(abs(a), abs(a + D * 2);
        } else {
            ans = min(abs(a + D), abs(a - D));
        }
    } else {
        ans = abs(X) - K * D;
    }
    cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:45: error: expected ')' before ';' token
   26 |             ans = min(abs(a), abs(a + D * 2);
      |                      ~                      ^
      |                                             )
Language: C

#include <stdio.h>
#include <math.h>
int main(){
	long int X, K, D;
	scanf("%ld %ld %ld", &X, &K, &D);
	if(fabs(X) > D * X){
		printf("%ld", fabs(X) - D * X);
	}
	else{
		long int x = 1;
		while(fabs(X) > D * x)
			x++;
		long int s, r = D * x - X;
		if(r >= s = fabs(X) - D * (x - 1))
			if(K - (x - 1) % 2 == 0)
				printf("%ld", s);
			else
				printf("%ld", r);
		if(r < s = fabs(X) - D * (x - 1))
			if(K - (x - 1) % 2 == 0)
				printf("%ld", r);
			else
				printf("%ld", s);
		
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:27: error: lvalue required as left operand of assignment
   14 |                 if(r >= s = fabs(X) - D * (x - 1))
      |                           ^
main.c:19:26: error: lvalue required as left operand of assignment
   19 |                 if(r < s = fabs(X) - D * (x - 1))
      |                          ^
Language: C++

//@author :  |< U $ |-|
#include<iostream>
#include<vector>
#include<math.h>
#include<unordered_map>
#define TakeInput freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
using namespace std;

#define ll  long long 

int main(){
    
    #ifndef ONLINE_JUDGE
    TakeInput
    #endif
    
    ll i,j,n,m,k,d;
    cin>>n>>k;
    ll p[n];
    ll c[n];

    for(i=0;i<n;i++){
        cin>>p[i];
    }

    for(i=0;i<n;i++){
        cin>>c[i];
    }
    
    for(i=0;i<n;i++){
        int count=0,temp = k,cur = i;
        int a[k];j=0;
        while(temp--){
            count += c[a[i]-1];
            a[j++]=count;
            cur = a[i]-1;
            maxi = max ( maxi, count);
        }
        if(count>0 && k>n){
            count += (k/n)*count;
            for(j=0;j<k%n;j++){
                count+=a[j];
            }
        }
        maxi = max ( maxi, count);
    }
    cout<<maxi<<endl;
}
 
 
 

Compiler output:
a.cc: In function 'int main()':
a.cc:37:13: error: 'maxi' was not declared in this scope
   37 |             maxi = max ( maxi, count);
      |             ^~~~
a.cc:45:9: error: 'maxi' was not declared in this scope
   45 |         maxi = max ( maxi, count);
      |         ^~~~
a.cc:47:11: error: 'maxi' was not declared in this scope
   47 |     cout<<maxi<<endl;
      |           ^~~~
Language: C++

#include <iostream>
using namespace std;

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

  if(X == D) {
    if(K % 2 == 0) {
      cout << X << endl;
      return 0;
    } else {
      cout << 0 << endl;
      return 0;
    }
  }

  int minx = X;
  while(K > 0) {
    if(abs(X - D) < abs(X + D) ) {
      X -= D;
    } else {
      X += D;
    }
//   cout << X << ", " << K << ", " << D << endl;
    if(minx == abs(X)) {
      cout << abs(X) << endl;
      return 0;
    }
    minx = min(minx, abs(X));
    K--;
  }
  cout << abs(X) << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:15: error: no matching function for call to 'min(int&, long long int)'
   30 |     minx = min(minx, abs(X));
      |            ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 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/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:   template argument deduction/substitution failed:
a.cc:30:15: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   30 |     minx = min(minx, abs(X));
      |            ~~~^~~~~~~~~~~~~~
/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, 2 provided
Language: C++

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


int main() {
  long long X,K,D;
  cin >> X >> K >>D;
  
  long long a=0;
  
  if(X==0&&K%2==0){
    cout << 0 <<endl;
  }
  else if(X==0&&K%2==1){
    printf("%lld",D);
  }
  else if(X>0){
    if(X-K*D>=0){
      printf("%lld",abs(X-K*D));
    }
    else{
      for (long long i = 0; i < K; i++) {
    
        X-=D;
        a++;
 
        if (X < D) {
          break;
        }
      }
  
      long long b =K-a;
  
      if(b%2==0){
        printf("%lld",X);
      }
      else{
        printf("%lld",abs(X-D)); 
      }
    }
  }
  else{
    if(X+K*D<=0){
      printf("%lld",abs(X+K*D));
    }
    else{
      for (long long i = 0; i < K; i++) {
    
        X+=D;
        a++;
 
        if (abs(X) < D) {
          break;
        }
      }
  
       long long b =K-a;
  
       if(b%2==0){
          printf("%lld",abs(X));
        }
       else{
          printf("%lld",abs(X+D); 
       }
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:64:33: error: expected ')' before ';' token
   64 |           printf("%lld",abs(X+D);
      |                 ~               ^
      |                                 )
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:16:8: error: expected '}' at end of input
   16 | }
      |  ^      
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
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 ((d*k)>x){
            if (x!=0){
                LL z=x%d;
                k-=x/d;
                
                cout << min(z,abs(z-d));
            }
            else {
                
                else cout<<"0";
            }
        }
        cout<< x-(d*k);
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:17: error: expected '}' before 'else'
   21 |                 else cout<<"0";
      |                 ^~~~
a.cc:19:18: note: to match this '{'
   19 |             else {
      |                  ^
a.cc:21:17: error: expected '}' before 'else'
   21 |                 else cout<<"0";
      |                 ^~~~
a.cc:12:21: note: to match this '{'
   12 |         if ((d*k)>x){
      |                     ^
a.cc: At global scope:
a.cc:24:9: error: 'cout' does not name a type
   24 |         cout<< x-(d*k);
      |         ^~~~
a.cc:25:5: error: expected declaration before '}' token
   25 |     }
      |     ^
a.cc:26:1: error: expected declaration before '}' token
   26 | }
      | ^
Language: C++

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


int main() {
  long long X,K,D;
  cin >> X >> K >>D;
  
  long long a=0;
  
  if(X==0&&K%2==0){
    cout << 0 <<endl;
  }
  else if(X==0&&K%2==1){
    printf("%ld",D);
  }
  else if(X>0){
    if(X-K*D>=0){
      printf("%ld",abs(X-K*D));
    }
    else{
      for (long long i = 0; i < K; i++) {
    
        X-=D;
        a++;
 
        if (X < D) {
          break;
        }
      }
  
      long long b =K-a;
  
      if(b%2==0){
        printf("%ld",X);
      }
      else{
        printf("%ld",abs(X-D)); 
      }
    }
  }
  else{
    if(X+K*D<=0){
      printf("%ld",abs(X+K*D));
    }
    else{
      for (long long i = 0; i < K; i++) {
    
        X+=D;
        a++;
 
        if (abs(X) < D) {
          break;
        }
      }
  
       long long b =K-a;
  
       if(b%2==0){
          printf("%ld",abs(X));
        }
       else{
          printf("%ld",abs(X+D); 
       }
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:64:32: error: expected ')' before ';' token
   64 |           printf("%ld",abs(X+D);
      |                 ~              ^
      |                                )
Language: C++

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

Compiler output:
a.cc:45:5: error: redefinition of 'int main()'
   45 | int main() {
      |     ^~~~
a.cc:5:5: note: 'int main()' previously defined here
    5 | int main() {
      |     ^~~~
a.cc:76:1: error: '\U000063d0\U000051fa\U000060c5\U00005831' does not name a type
   76 | 提出情報
      | ^~~~~~~~
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 ((d*k)>x){
            if (x!=0){
                LL z=x%d;
                k-=x/d;
                
                cout << min(z,abs(z-d));
            }
            else {
                
                else cout<<"0";
            }
        }
        else cout<< x-(d*k);
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:17: error: expected '}' before 'else'
   21 |                 else cout<<"0";
      |                 ^~~~
a.cc:19:18: note: to match this '{'
   19 |             else {
      |                  ^
a.cc:21:17: error: expected '}' before 'else'
   21 |                 else cout<<"0";
      |                 ^~~~
a.cc:12:21: note: to match this '{'
   12 |         if ((d*k)>x){
      |                     ^
a.cc: At global scope:
a.cc:24:9: error: expected unqualified-id before 'else'
   24 |         else cout<< x-(d*k);
      |         ^~~~
a.cc:25:5: error: expected declaration before '}' token
   25 |     }
      |     ^
a.cc:26:1: error: expected declaration before '}' token
   26 | }
      | ^
Language: C++

#include<iostream>
#include<cmath>
#include<algorithm>
using namespace std;
int main(){
    long long X;
    long long K;
    long long D;
    cin >> X >> K >>D;
    long long ans=abs(X);
    int guuki =K%2;
    int i=0;
    int hoge=0;
    long long amari=X/D;
    if(amari=<K){
        ans-=D*amari;
        i=amari;
    }else{
        ans-=D*K;
        hoge=1;
    }   
    for(;i<K&&hoge==0;i++){
        if(abs(ans-D)>=abs(ans)){
            if(i%2!=guuki)ans=abs(ans-D);
            break;
        }
        ans=abs(ans-D);
    }
    cout << ans <<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:14: error: expected primary-expression before '<' token
   15 |     if(amari=<K){
      |              ^
Language: C++

#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int main(){
  int x,k,d;
  cin >> x>> k >> d;
  int now=0;
  if(x==0){
    cout << 0 << endl;
  }
  if(x>0){
  else if(x<d&&(d-x)<x&&k%2!=0){
    cout << d-x;
  }else if(x<d&&k%2==0){
    cout << x;
  }else if(x<d&&(d-x)>x&&k%2!=0){
    cout << x;
  }else if(x>d){
    for(int i=0;i<k;i++){
      if(x-i*d<0&&(i*d-x)>(x-(i-1)*d)){
        cout << x-(i-1)*d <<endl;
      }else if(x-i*d<0&&(i*d-x)<(x-(i-1)*d)){
        cout << i*d-x << endl;
      }
        
      
   
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: expected '}' before 'else'
   13 |   else if(x<d&&(d-x)<x&&k%2!=0){
      |   ^~~~
a.cc:12:10: note: to match this '{'
   12 |   if(x>0){
      |          ^
a.cc:30:2: error: expected '}' at end of input
   30 | }
      |  ^
a.cc:19:16: note: to match this '{'
   19 |   }else if(x>d){
      |                ^
a.cc:30:2: error: expected '}' at end of input
   30 | }
      |  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: Java


import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
			Scanner input=new Scanner(System.in);
			long x=input.nextLong();
		    long k=input.nextLong(),d=input.nextLong();
		    
		    for(int i=0;i<k;i++) {
		   x=Math.abs((x)-(d));
		    }
		   System.out.println(x);
		}



Compiler output:
Main.java:13: error: reached end of file while parsing
		}
		 ^
1 error
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
#define F first
#define S second
using namespace std;
using namespace boost::multiprecision;
using ll = long long;
typedef pair<int, int> P;
ll Mod = 1000000007;
int main() {
  int1024_t X,K,D;
  cin >> X >> K >> D;
  int1024_t zero = 0;
  int1024_t two = 2;
  int1024_t ans = 0;
  if (X - (K*D) <= zero && zero <= X + (K*D)) {
    if (K % 2 == 0) {
      ans = X%(two*D);
      if (ans > abs((X%(two*D)) - (two*D))) {
        ans = abs((X%(two*D)) - (two*D));
      }
    } else {
      X = X + D;
      ans = X%(two*D);
      if (ans > abs((X%(two*D)) - (two*D)) {
        ans = abs((X%(two*D)) - (two*D);
      }
    }
  } else {
    int1024_t ans1 = X - (K*D);
    int1024_t ans2 = X + (K*D);
    if (ans1 < 0) ans1 *= (int1024_t)-1;
    if (ans2 < 0) ans2 *= (int1024_t)-1;
    if (ans1 > ans2) {
      swap(ans1,ans2);
    }
    cout << ans1 << endl;
    return 0; 
  }
  cout << ans << 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>

using namespace std;
using namespace boost::multiprecision;

typedef long long ll;
typedef unsigned long long ull;

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

	uint128_t minAbs = numeric_limits<uint128_t>::max();
	uint128_t _abs;

	if(0 <= X) {
		for(int128_t i = -1 * K * D; i <= K * D; i += 2 * D) {
			// _abs = (0 <= X + i) ? (X + i) : -1 * (X + i);
			_abs = (uint128_t)abs(X + i);
			if(minAbs > _abs) {
				minAbs = _abs;
			} else {
				break;
			}
		}
	} else {
		for(int128_t i = (0 == K % 2) ? 0 : -1 : D; i <= K * D; i += 2 * D) {
			// _abs = (0 <= X + i) ? (X + i) : -1 * (X + i);
			_abs = (uint128_t)abs(X + i);
			if(minAbs > _abs) {
				minAbs = _abs;
			} else {
				break;
			}
		}
	}
	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++

int main()
{
 int K,X,D;
  cin>>X;
  cin>>K;
  cin>>D;
   int pos=abs(X);
    int jumps=0,sum=0;
    while(jumps<K)
    {
      pos=pos-D;
      sum=pos+D;
      jumps++;
      if(pos<=0)
        break;
    }
  pos=abs(pos);
   int min=pos>sum?sum:pos;
  cout<<min;
   return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope
    4 |   cin>>X;
      |   ^~~
a.cc:7:12: error: 'abs' was not declared in this scope
    7 |    int pos=abs(X);
      |            ^~~
a.cc:19:3: error: 'cout' was not declared in this scope
   19 |   cout<<min;
      |   ^~~~
Language: C++

long long a, b, c, p, q;
    cin >> a >> b >> c;
    a = abs(a);
    if (abs(a / c) > b)
        cout << abs(a - (b * c));
    else
    {
        if (a < 0)
            a = -a;
        p = (a % c);
        q = abs(p - c);
        if (p < q)
        {
            if ((b - (a / c)) % 2 == 0)
                cout << p;
            else
                cout << q;
        }
        else
        {
            if ((b - (a / c)) % 2 == 0)
                cout << p << endl;

            else
                cout << q << endl;
        }
    }

Compiler output:
a.cc:2:5: error: 'cin' does not name a type
    2 |     cin >> a >> b >> c;
      |     ^~~
a.cc:3:5: error: 'a' does not name a type
    3 |     a = abs(a);
      |     ^
a.cc:4:5: error: expected unqualified-id before 'if'
    4 |     if (abs(a / c) > b)
      |     ^~
a.cc:6:5: error: expected unqualified-id before 'else'
    6 |     else
      |     ^~~~
Language: C++

/******************
 *AUTHOR: speckrel*
 ******************/

//******************************************************************************
#include "bits/stdc++.h"
using namespace std;

#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define ll long long
#define fpowll fpow<long long>
#define fpowi fpow<int>
#define rep(i,a,b)    for(int i=a;i<b;i++)
#define repn(i,a,b)   for(int i=a;i>=b;i--)
#define F first
#define S second
#define pii pair<int,int>
#define vi vector<int>
#define vii vector<pii>
#define pb push_back
#define all(v) (v).begin(), (v).end()


//Fast exponentiation
template <typename T>
T fpow(T base, T expo){
    if(expo==0){return 1;}
    else if(expo==1){return base;}
    else{
        if(expo%2==0){return fpow(base,expo/2)*fpow(base,expo/2);}
        else{return base*fpow(base,expo-1);}
    }
}

//******************************************************************************
//Auxiliary Functions go here

//******************************************************************************
void solve(){
    static int coun=0;
    //cout<<"This is a test code "<<coun<<"\n";
    //coun++;
  ll x,k,d;
  cin>>x>>k>>d;
  ll minx=x;
  if(x<0){x=-x;}
  ll moves = x/d;
  //int flag=1;
  if(moves>k){minx=abs(x-k*d);return;}
  for(ll i=moves-1;(i<moves+2)&&(1);i++){
  if((k%2)==(i%2)&&(i<=k){
          if(minx>abs(x-i*d)){minx=abs(x-i*d);}
      }
  }
  cout<<minx;
}

// main function
int main(){
    IOS
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);

    ll t=1;
    //cin>>t;

    while(t--){
        solve();
    }

    return 0;
}
//******************************************************************************


Compiler output:
a.cc: In function 'void solve()':
a.cc:51:26: error: expected ')' before '{' token
   51 |   if((k%2)==(i%2)&&(i<=k){
      |     ~                    ^
      |                          )
a.cc:54:3: error: expected primary-expression before '}' token
   54 |   }
      |   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll =  long long;
int main() {
  float x,k,d,kari;
  float min = INFINITY;
  cin >> x >> k >> d;

  if(x == k && x == d && k == d) {
    cout << d << endl;
    return 0;
  }

  for(int i=0;i<(1<<k);i++){
    kari = x;
    for(int j=0;j<k;j++){
      if(i & (1<<j)){
        kari += d;
      }
      else{
        kari -= d;
      }
    }
    if(kari < 0){
      kari *= -1;
    }
    if(min > kari){
        min = kari;
      }
  }

  cout << min << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:19: error: invalid operands of types 'int' and 'float' to binary 'operator<<'
   14 |   for(int i=0;i<(1<<k);i++){
      |                  ~^~~
      |                  |  |
      |                  |  float
      |                  int