criyle/codenet-compile-errors huggingface dataset:
Language: Java


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

public class Main {
	public static void main(String[] args) {
		c()
    }
	
	private static void c() {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] candies = new int[n];
		int res = Integer.MAX_VALUE;
 		for (int i = 0; i < n; i++) {
 			candies[i] = sc.nextInt();
		}
 		
 		for (int i = 0; i < n - k + 1; i++) {
 			int left = Math.abs(candies[i]) + (candies[i + k - 1] - candies[i]);
 			int right = Math.abs(candies[i + k - 1]) + (candies[i + k - 1] - candies[i]);
 			int tmp = Math.min(left, right);
 			res = Math.min(res, tmp);
 		}
 		
		System.out.println(res);
	}
	
	static class FastReader { 
        BufferedReader br; 
        StringTokenizer st; 
  
        public FastReader() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } 
  
        String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine()); 
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } 
  
        int nextInt() { 
            return Integer.parseInt(next()); 
        } 
  
        long nextLong() { 
            return Long.parseLong(next()); 
        } 
  
        double nextDouble() { 
            return Double.parseDouble(next()); 
        } 
  
        String nextLine() { 
            String str = ""; 
            try{ 
                str = br.readLine(); 
            } catch (IOException e) { 
                e.printStackTrace(); 
            } 
            return str; 
        } 
    } 
}


Compiler output:
Main.java:10: error: ';' expected
		c()
		   ^
1 error
Language: Java


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

public class Main {
	public static void main(String[] args) {
		c();
	}
	
	private void c() {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] candies = new int[n];
		int res = Integer.MAX_VALUE;
 		for (int i = 0; i < n; i++) {
 			candies[i] = sc.nextInt();
		}
 		
 		for (int i = 0; i < n - k + 1; i++) {
 			int left = Math.abs(candies[i]) + (candies[i + k - 1] - candies[i]);
 			int right = Math.abs(candies[i + k - 1]) + (candies[i + k - 1] - candies[i]);
 			int tmp = Math.min(left, right);
 			res = Math.min(res, tmp);
 		}
 		
		System.out.println(res);
	}
	
	static class FastReader { 
        BufferedReader br; 
        StringTokenizer st; 
  
        public FastReader() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } 
  
        String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine()); 
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } 
  
        int nextInt() { 
            return Integer.parseInt(next()); 
        } 
  
        long nextLong() { 
            return Long.parseLong(next()); 
        } 
  
        double nextDouble() { 
            return Double.parseDouble(next()); 
        } 
  
        String nextLine() { 
            String str = ""; 
            try{ 
                str = br.readLine(); 
            } catch (IOException e) { 
                e.printStackTrace(); 
            } 
            return str; 
        } 
    } 
}


Compiler output:
Main.java:10: error: non-static method c() cannot be referenced from a static context
		c();
		^
1 error
Language: C++

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

int main() {
  int N,K;
  cin >> N >> K;
  vector<int> a;
  vector<int> b;
  for(int i=0;i<N;i++){
    int x;
    cin >> x;
    if(x<0) a.push_back(-x);
    else b.push_back(x);
  }
  sort(a.begin(),a.end());
  vector<int> c(a.size()+1);
  c[0]=0;
  for(int i=1;i<a.size()+1;i++){
    c[i]=c[i-1]+a[i-1];
  }
  sort(b.begin(),b.end());
  vector<int> d(b.size()+1);
  d[0]=0;
  for(int i=1;i<b.size()+1;i++){
    d[i]=d[i-1]+b[i-1];
  }
  int min=1000000000;
  for(int i=0;i<K+1){
    if(2*c[i]+d[K-i]<min)min=2*c[i]+d[K-i];
  }
  for(int i=0;i<K+1){
    if(2*d[i]+c[K-i]<min)min=2*d[i]+c[K-i];
  }
  cout << min;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:20: error: expected ';' before ')' token
   28 |   for(int i=0;i<K+1){
      |                    ^
      |                    ;
a.cc:31:20: error: expected ';' before ')' token
   31 |   for(int i=0;i<K+1){
      |                    ^
      |                    ;
Language: C++

#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
int main(void){
  int N,K;
  cin >> N >> K;
  
  vector<int>candle(N,0);
  
  for(int i=0;i<N;i++){
    cin >> candle[i];
  }
  
  long min = 9999999999;
  for(int i=0;i<=N - k;i++){
    if(abs(candle[i]) >= abs(candle[i + K - 1])){
      long ans = abs(candle[i + K - 1]) + abs(candle[i + K - 1] - candle[i]);
      if(ans < min)
        min = ans;
    }
    else{
      long ans = abs(candle[i]) + abs(candle[i + K - 1] - candle[i]);
      if(ans < min)
        min = ans;
    }
  }
  
  cout << min << endl;
  
  return 0;
}

    
    
  

Compiler output:
a.cc: In function 'int main()':
a.cc:16:22: error: 'k' was not declared in this scope
   16 |   for(int i=0;i<=N - k;i++){
      |                      ^
Language: C++

#include<bits/stdc++.h>
#define F first
#define S second
using namespace std;
int n;
map<int,pair<int,int> >memo[100005]
int max(int a,int b){
    if(a>b){
        return(a);
    }else{
        return(b);
    }
}
int min(int a,int b){
    if(a>b){
        return(b);
    }else{
        return(a);
    }
}
int sai(int ren[],int sum,int s,int f,int k,int a,int b){
    if(k==0){
        return(sum);
    }
    if(memo[f][s].F!=0){
        if((memo[f][s].F>sum)){
            return(sum+memo[f][s].S);
        }else{
            return(memo[f][s].S+memo[f][s].S);
        }
    }
    int anb=-1,ana=-1;
    if(s>0){
        anb=sai(ren,sum+a,s-1,f,k-1,ren[s-1]-ren[s],ren[min(n-1,f)]+ren[s]);
    }else if(s==0){
        anb=sai(ren,sum+a,s-1,f,k-1,0,ren[min(n-1,f)]+ren[s]);
    }
    if(f<n-1){
        ana=sai(ren,sum+b,s,f+1,k-1,ren[max(0,s)]+ren[f],ren[f+1]-ren[f]);
    }else if(f==n-1){
        ana=sai(ren,sum+b,s,f+1,k-1,ren[max(0,s)]+ren[f],0);
    }
    memo[f][s].F=sum;
    if(anb==-1){
        memo[f][s].S=ana-sum;
        return(ana);
    }
    if(ana==-1){
        memo[f][s].S=anb-sum;
        return(anb);
    }      
    if(ana>anb){
        memo[f][s].S=anb-sum;
        return(anb);
    }else{
        memo[f][s].S=ana-sum;
        return(ana);
    }
}
int main(){
    int k;
    cin>>n>>k;
    int s=-1;
    int a[n];
    for(int i=0;i<n;i++){
        cin>>a[i];
        if(s==-1&&a[i]>=0){
            s=i;
        }
        a[i]=abs(a[i]);
    }
    if(s<=0){
        cout<<a[k-1]<<endl;
    }else{
        cout<<sai(a,0,s-1,s,k,a[s-1],a[s])<<endl;
    }
    return(0);
}

Compiler output:
a.cc:7:1: error: expected initializer before 'int'
    7 | int max(int a,int b){
      | ^~~
a.cc: In function 'int sai(int*, int, int, int, int, int, int)':
a.cc:25:8: error: 'memo' was not declared in this scope
   25 |     if(memo[f][s].F!=0){
      |        ^~~~
a.cc:43:5: error: 'memo' was not declared in this scope
   43 |     memo[f][s].F=sum;
      |     ^~~~
Language: C++

 /*
    Life Before Death, Strength Before Weakness, Journey Before Destination
    ------------------------------------------------------------------------
    You don't become great by trying to be great.
    You become great by wanting to do something,
    and then doing it so hard that you become great in the process.
    */

    //#pragma comment(linker, "/stack:200000000")
    #pragma GCC optimize ("Ofast")
    #pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
    #include <bits/stdc++.h>
    using namespace std;
    
    #define TRACE
    
    #ifdef TRACE
    #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
    template <typename Arg1>
    void __f(const char* name, Arg1&& arg1){
      cerr << name << " : " << arg1 << std::endl;
    }
    template <typename Arg1, typename... Args>
    void __f(const char* names, Arg1&& arg1, Args&&... args){
      const char* comma = strchr(names + 1, ',');cerr.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...);
    }
    #else
    #define trace(...)
    #endif
    
    #define rep(i, n)    for(int i = 0; i < (n); ++i)
    #define repA(i, a, n)  for(int i = a; i <= (n); ++i)
    #define repD(i, a, n)  for(int i = a; i >= (n); --i)
    #define trav(a, x) for(auto& a : x)
    #define all(x) x.begin(), x.end()
    #define sz(x) (int)(x).size()
    #define fill(a)  memset(a, 0, sizeof (a))
    #define fst first
    #define snd second
    #define mp make_pair
    #define pb push_back
    #define PI           3.141592653589793238462643383279502884197169399  /* pi */
    #define te  ll ti;   cin >> ti;  while(ti--) solve();  
    typedef long double ld;
    typedef long long ll;
    typedef pair<ll, ll> pii;
    typedef vector<ll> vi;
    const int maxN = 1224;

    void solve(){
      ll n, k;
      cin >> n >> k;
      ll a[n+10], dp[n+10];
      a[0] = 0;
      repA(i, 1, n) cin >> a[i];
      ll s = 1e9;
      repA(i, 1, k) {
      s = min(s, min(abs(a[i]), abs(a[i+k-1)) + a[i+k-1] - a[i]);
      }
      cout << s << endl;
    }

    int main() {
      cin.sync_with_stdio(0); cin.tie(0);
      cin.exceptions(cin.failbit);
      //te 
      solve();
      return 0;
    }       

Compiler output:
a.cc: In function 'void solve()':
a.cc:58:44: error: expected ']' before ')' token
   58 |       s = min(s, min(abs(a[i]), abs(a[i+k-1)) + a[i+k-1] - a[i]);
      |                                            ^
      |                                            ]
Language: C++

#include <iostream>
#include <math.h>
using namespace std;
 
int main()
{
  int answer = 1e+9;
  int n, k;
  cin >> n >> k;
  int arr[n];
  int pos = -1;
  
  for(int i = 0; i < n; i++)
  {
    int x, prev = 0;
    cin >> x;
    if(x >= 0 && prev < 0) pos = i;
    prev = x;
    arr[i] = x;
  }
  
  //if pos == -1, all numbers are either positive or negative
  if(pos == -1){
    if(arr[0] >= 0){
      answer = arr[k-1];
    }
    else{
      answer = -1*arr[n-k-1];
    }
  }
  
  //general case
  else{
    int start = pos >= k ? pos - k : 0; //arr[start] is < 0
    int dist;
    while(true){
      int startVal = arr[start];
      int endVal = arr[start + k - 1]
      if(endVal < 0){
        answer = -1*startVal;
        break;
      }
      else{
        answer = min(2*abs(startVal) + endVal, 2*endVal + abs(startVal));
        break;
      }   
    }  
  }
  cout << answer;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:7: error: expected ',' or ';' before 'if'
   39 |       if(endVal < 0){
      |       ^~
a.cc:43:7: error: 'else' without a previous 'if'
   43 |       else{
      |       ^~~~
Language: C++

#include <iostream>
#include <math.h>
using namespace std;
 
int main()
{
  int answer = 1e+9;
  int n, k;
  cin >> n >> k;
  int arr[n];
  int pos = -1;
  
  for(int i = 0; i < n; i++)
  {
    int x;
    cin >> x;
    if(x >= 0 && temp < 0) pos = i;
    int temp = x;
    arr[i] = x;
  }
  
  //if pos == -1, all numbers are either positive or negative
  if(pos == -1){
    if(arr[0] >= 0){
      answer = arr[k-1];
    }
    else{
      answer = -1*arr[n-k-1];
    }
  }
  
  //general case
  else{
    int start = pos >= k ? pos - k : 0; //arr[start] is < 0
    int dist;
    while(true){
      int startVal = arr[start];
      int endVal = arr[start + k - 1]
      if(endVal < 0){
        answer = -1*startVal;
        break;
      }
      else{
        answer = min(2*abs(startVal) + endVal, 2*endVal + abs(startVal));
        break;
      }   
    }  
  }
  cout << answer;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:18: error: 'temp' was not declared in this scope; did you mean 'tm'?
   17 |     if(x >= 0 && temp < 0) pos = i;
      |                  ^~~~
      |                  tm
a.cc:39:7: error: expected ',' or ';' before 'if'
   39 |       if(endVal < 0){
      |       ^~
a.cc:43:7: error: 'else' without a previous 'if'
   43 |       else{
      |       ^~~~
Language: C++

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

int main()
{
  int answer = 1e+9;
  int n, k;
  cin >> n >> k;
  int arr[n];
  int pos = -1;
  
  for(int i = 0; i < n; i++)
  {
    int x;
    cin >> x;
    if(x >= 0 && temp < 0) pos = i;
    int temp = x;
    arr[i] = x;
  }
  
  //if pos == -1, all numbers are either positive or negative
  if(pos == -1){
    if(arr[0] >= 0){
      answer = arr[k-1];
    }
    else{
      answer = -1*arr[n-k-1];
    }
  }
  
  //general case
  else{
    int start = pos >= k ? pos - k : 0; //arr[start] is < 0
    int dist;
    while(true){
      int startVal = arr[start];
      int endVal = arr[start + k - 1]
      if(endVal < 0){
        answer = -1*startVal;
        break;
      }
      else{
        answer = min(2*abs(startVal) + endVal, 2*endVal + abs(startVal));
        break;
      }
      
      
    }
    
    
    
    
  }
    
  
  
  
  cout << answer;
  
  return 0;
}

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

#include<cstdio>
#include<cstdlib>
#include<algorithm>
#include<iostream>
#include<queue>
#include<vector>
using namespace std;
#define MAX 200000
#define INFTY 2000000000

long long s[MAX],m[MAX];
long long n,k,ans=INFTY;;

void candles(long long A[],long long B[],long long ha,long long hb){
  for(long long i=0;i<=k;i++){
    if(i>ha) break;
    if(k-i>hb) continue;
    ans=min(ans,A[i]*2+B[k-i]);
  }
  return;
}

int main(){
  s[0]=0; m[0]=0;
  long long counts=0,countm=0,count0=0,data;
  cin>>n>>k;
  for(long long i=0;i<n;i++){
    cin>>data;
    if(data>0) s[++counts]=data;
    else if(data<0) m[++countm]=-data;
    else count0++;
  }
  k-=count0;
  if
  reverse(m+1,m+countm+1);
  candles(s,m,counts,countm);
  candles(m,s,countm,counts);
  cout<<ans<<endl;


}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:3: error: expected '(' before 'reverse'
   35 |   reverse(m+1,m+countm+1);
      |   ^~~~~~~
      |   (
Language: C++

#include<iostream>
using namespace std;

int main(){
  
	int n;
  	cin>>n;
  	int a[n];
  	int copy_of_a
  	for(int i=0;i<n;i++){
      cin>>a[n];
    }
  	for(int i=0;i<n+i++){
      for(int j=0;j<(n-1);j++){
        if(a[j]>a[j+1]){
          copy_of_a=a[j]
          a[j]=a[j+1];
          a[j+1]=copy_of_a;
        }
      }
    }
  cout<<a[int(n/2)+1]
  
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: expected initializer before 'for'
   10 |         for(int i=0;i<n;i++){
      |         ^~~
a.cc:10:21: error: 'i' was not declared in this scope
   10 |         for(int i=0;i<n;i++){
      |                     ^
a.cc:13:28: error: expected ';' before ')' token
   13 |         for(int i=0;i<n+i++){
      |                            ^
      |                            ;
a.cc:16:11: error: 'copy_of_a' was not declared in this scope
   16 |           copy_of_a=a[j]
      |           ^~~~~~~~~
a.cc:22:22: error: expected ';' before 'return'
   22 |   cout<<a[int(n/2)+1]
      |                      ^
      |                      ;
   23 | 
   24 |         return 0;
      |         ~~~~~~
Language: Java

import java.util.*;

public class c{
    public static void main(String[] argc){
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        int[] x = new int[N];

        for(int i=0;i<N;i++){
            x[i] = sc.nextInt();
        }
        int ans = (int) 2e9;

        for(int i=0;i<=N-K;i++){
            ans = Math.min(ans, dist(x[i], x[i+K-1]));
        }

        System.out.println(ans);
    }

    public static int dist(int A, int B){
        int ret = 0;
        if(A >= 0 && B >= 0){
            ret = B;
        }else if(A<0 && B < 0){
            ret = A;
        }
        else         ret = Math.min(2*Math.abs(A) + B, Math.abs(A) + 2*Math.abs(B));

        return ret;
    }
}

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

#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
	int i = 0, j = 0, k = 0, ans=0;
	long long N, K, x[100000];
	cin >> N >> K;
	for (i = 0; i < N; i++){
		cin >> x[i];
	}

	for (i = 0; i <= K; i++){
		if ((x[i] < 0) && (x[K - 1 + 1]>0)){
			if (llabs(x[0]) < llabs(x[N - 1]))
			ans = 2 * min(llabs(x[0]), llabs(x[N - 1])) + max(llabs(x[0]), llabs(x[N - 1]));
		}


	}
	

	else if ((x[0] < 0) && (x[N - 1] < 0))
		ans = 2 * x[0];
	else
		ans = 2 * x[N - 1];

	cout << ans << endl;
	while (true);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:9: error: 'else' without a previous 'if'
   25 |         else if ((x[0] < 0) && (x[N - 1] < 0))
      |         ^~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
const int MAXN = 100000;
const int INF = 0x3f3f3f3f;
using namespace std;
 
inline void enableFileIO() {
  freopen("test.in", "r", stdin);
  freopen("test.out", "w", stdout);
}
 
inline int read() {
  int x = 0, w = 1;
  char c = ' ';
  
  while (c < '0' || c > '9') {
    c = getchar();
    if (c == '-') w = -1;
  }
  while (c >= '0' && c <= '9') {
    x = (x << 1) + (x << 3) + (c ^ 48);
    c = getchar();
  }
  return x * w;
}
 
int ans, n, a[MAXN + 5], sum[MAXN + 5];
int mn, mx;
 
void init() {
//  enableFileIO();
  
  n = read();
  mn = INF;
  mx = -INF;
  for (int i = 1; i <= n; ++i) {
    a[i] = read();
    mn = min(mn, a[i]);
    mx = max(mx, a[i]);
  }
}
 
struct BinaryIndexTree {
  int c[MAXN * 2 + 5];
  int lowbit(int x) {
    return x & (-x);
  }
  void init() {
    memset(c, 0, sizeof(c));
  }
  void update(int x) {
    for (; x <= 2 * n; x += lowbit(x)) ++c[x];
  }
  int query(int x) {
    int ret = 0;
    for (; x; x -= lowbit(x)) ret += c[x];
    return ret;
  }
}BIT;
 
int b[MAXN + 5];
 
inline bool chk(int mid) {
  BIT.init();
  memset(sum, 0, sizeof(sum));
  
  for (int i = 1; i <= n; ++i) {
    b[i] = a[i] >= mid ? 1 : -1;
    sum[i] = sum[i - 1] + b[i];
  }
  
  LL ret = 0;
  BIT.update(0 + n);
  for (int i = 1; i <= n; ++i) {
    ret += BIT.query(sum[i] + n);
    BIT.update(sum[i] + n);
  }
  return ret >= 1LL * n * (n + 1) / 4;
}
 
int main() {
  init();
  
  int l = mn, r = mx;
  while (l <= r) {
    int mid = (l + r) >> 1;
    if (chk(mid)) {
      l = mid + 1;
      ans = mid;
    } else {
      r = mid - 1;
    }
  }
  
  printf("%d\n", ans);
  return 0;
}

Compiler output:
a.cc: In function 'bool chk(int)':
a.cc:74:3: error: 'LL' was not declared in this scope
   74 |   LL ret = 0;
      |   ^~
a.cc:77:5: error: 'ret' was not declared in this scope
   77 |     ret += BIT.query(sum[i] + n);
      |     ^~~
a.cc:80:10: error: 'ret' was not declared in this scope
   80 |   return ret >= 1LL * n * (n + 1) / 4;
      |          ^~~
Language: C++

#include<iostream>
#include<algorithm>
#include<math.h>
#define _USE_MATH_DEFINES

using namespace std;

long long n, k, x, minu = 0, plu = 0, preM[100000] = {}, M[100000] = {}, P[100000] = {}, ans = LLONG_MAX;

int main(){
	cin >> n >> k;
	for (auto i = 0; i < n; i++) {
		cin >> x;
		if (x < 0) {
			minu++;
			preM[minu] = x;
		}
		else if (x > 0) {
			plu++;
			P[plu] = x;
		}
		else {
			k--;
		}
	}

	for (auto i = 1; i <= minu; i++) {
		M[i] = preM[minu - i + 1] * -1;
	}

	if (k == 0) {
		ans = 0;
	}

	for (auto i = 1; i <= min(k, plu); i++) {
		if (i == k) {
			ans = min(ans, P[i]);
		}
		else if(k - i <= minu) {
			ans = min(ans, M[k - i] * 2 + P[i]);
		}
	}

	for (auto i = 1; i <= min(k, minu); i++) {
		if (i == k) {
			ans = min(ans, M[i]);
		}
		else if (k - i <= plu) {
			ans = min(ans, P[k - i] * 2 + M[i]);
		}
	}

	cout << ans << endl;

	return 0;
}

Compiler output:
a.cc:8:96: error: 'LLONG_MAX' was not declared in this scope
    8 | long long n, k, x, minu = 0, plu = 0, preM[100000] = {}, M[100000] = {}, P[100000] = {}, ans = LLONG_MAX;
      |                                                                                                ^~~~~~~~~
a.cc:4:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include<math.h>
  +++ |+#include <climits>
    4 | #define _USE_MATH_DEFINES
Language: C++


#include<iostream>
#include<string>
#include<algorithm>
#include<functional>
#include<vector>
#include<set>
#include<queue>
#include<list>
#include<stdio.h>
#include<stdlib.h>
#include<map>
#include<cstdio>
#include <iomanip>

#define rep(i,b) for(int i=0;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()

using namespace std;
typedef long long ll;

int main() {

	int n, k;
	cin >> n >> k;

	vector<ll> a(n);

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


	ll ans = LONG_MAX;
	for (int i = 0; i < n - k+1; i++) {
		
		ll al = a[i];
		ll ar = a[i + k-1];

		ll buf = 0;

		if (ar <= 0) {
			buf = abs(al);
		}
		else if (al >= 0) {
			buf = ar;
		}
		else {
			buf = abs(al) + abs(ar) + min(abs(al), abs(ar));
		}

		ans = min(ans, buf);
	}

	cout << ans << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:18: error: 'LONG_MAX' was not declared in this scope
   36 |         ll ans = LONG_MAX;
      |                  ^~~~~~~~
a.cc:15:1: note: 'LONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   14 | #include <iomanip>
  +++ |+#include <climits>
   15 |
Language: C++

#include <cstdio>
#include <algorithm>

const int INF = 0x3f3f3f3f;
const int MAXN = (int)1e5 + 10;

int n;
int k;
using namespace std;

int A[MAXN];
int abss(int x){
	if(x < 0) return -x;
	else return x;
}
bool com(int x,int y){
	return x < y;
}
int main(){
	scanf("%d%d",&n,&k);
	for(int i = 1;i <= n;i++){
		scanf("%d",&A[i]);	
	}
	sort(A,A+n+1,com);
	int p;
	for(int i = 0;i <= n;i++){
		if(A[i] == 0) {
			p = i;
			break;
		}	
	}
	int ans = INF;
	for(int i = p;i <= n;i++){
		if(i - k >= 0)ans = min(ans,min(A[i]*2 + abss(A[k + p - i - 1]),A[i],abss(A[k - p - i - 1])*2));
	}
	printf("%d",ans);
	return 0;
}

Compiler output:
In file included from /usr/include/c++/14/algorithm:60,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:34:34:   required from here
   34 |                 if(i - k >= 0)ans = min(ans,min(A[i]*2 + abss(A[k + p - i - 1]),A[i],abss(A[k - p - i - 1])*2));
      |                                             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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 <cstdio>
#include <algorithm>

#define MAX_N 100000

int x[MAX_N];
int N,K;

int abs(int x)
{
    return x>0? x : -x;
}

int min(int x, int y)
{
    return x>y ? y : x;
}

int max(int x, int y)
{
    return x<y ? y : x;
}

int main()
{
    scanf(" %d %d", &N, &K);
    for ( int i=0; i<N; i++ ) {
        scanf(" %d", x+i);
    }

    int ret = x[N-1] - x[0] + min(abs(x[N-1]),abs(x[0]))
    for ( int i=0; i<N-K+1; i++ ) {
        int len = min(abs(x[i+K-1]),abs(x[i]));
        if ( x[i+K-1] - x[i] + len < ret ) 
            ret = x[i+K-1] - x[i] + len;
    }

    printf("%d\n",ret);

}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:5: error: expected ',' or ';' before 'for'
   32 |     for ( int i=0; i<N-K+1; i++ ) {
      |     ^~~
a.cc:32:20: error: 'i' was not declared in this scope
   32 |     for ( int i=0; i<N-K+1; i++ ) {
      |                    ^
Language: C++

#include <cstdio>
#include <algorithm>

#define MAX_N 100000

int x[MAX_N];
int N,K;

int abs(int x)
{
    return x>0? x : -x;
}

int main()
{
    scanf(" %d %d", &N, &K);
    for ( int i=0; i<N; i++ ) {
        scanf(" %d", x+i);
    }

    int ret = x[N-1] - x[0] + ( abs(x[N-1] ) > abs([0]) ? abs(x[0]) : abs(x[N-1]);
    for ( int i=0; i<N-K; i++ ) {
        int len = abs(x[i+K-1]) > abs(x[i]) ? abs(x[i]) : abs(x[i+K-1]);
        if ( x[i+K-1] - x[i] + len < ret ) 
            ret = x[i+K-1] - x[i] + len;
    }

    printf("%d\n",ret);

}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:53: error: expected identifier before numeric constant
   21 |     int ret = x[N-1] - x[0] + ( abs(x[N-1] ) > abs([0]) ? abs(x[0]) : abs(x[N-1]);
      |                                                     ^
a.cc: In lambda function:
a.cc:21:55: error: expected '{' before ')' token
   21 |     int ret = x[N-1] - x[0] + ( abs(x[N-1] ) > abs([0]) ? abs(x[0]) : abs(x[N-1]);
      |                                                       ^
a.cc: In function 'int main()':
a.cc:21:52: error: invalid user-defined conversion from 'main()::<lambda()>' to 'int' [-fpermissive]
   21 |     int ret = x[N-1] - x[0] + ( abs(x[N-1] ) > abs([0]) ? abs(x[0]) : abs(x[N-1]);
      |                                                    ^~~
a.cc:21:52: note: candidate is: 'constexpr main()::<lambda()>::operator void (*)()() const' (near match)
   21 |     int ret = x[N-1] - x[0] + ( abs(x[N-1] ) > abs([0]) ? abs(x[0]) : abs(x[N-1]);
      |                                                    ^
a.cc:21:52: note:   no known conversion from 'void (*)()' to 'int'
a.cc:9:13: note:   initializing argument 1 of 'int abs(int)'
    9 | int abs(int x)
      |         ~~~~^
a.cc:21:82: error: expected ')' before ';' token
   21 |     int ret = x[N-1] - x[0] + ( abs(x[N-1] ) > abs([0]) ? abs(x[0]) : abs(x[N-1]);
      |                               ~                                                  ^
      |                                                                                  )
Language: C++

#include <cstdio>
#include <algorighm>

#define MAX_N 100000

int x[MAX_N];
int N,K;

int main()
{
    scanf(" %d %d", &N, &K);
    for ( int i=0; i<N; i++ ) {
        scanf(" %d", x+i);
    }

    // sort
    std::sort( x, x+N );

    int ret = x[N-1] - x[0];
    for ( int i=0; i<N-K; i++ ) {
        if ( x[i+K-1] - x[i] < ret ) 
            ret = x[i+K-1] - x[i];
    }

    printf("%d\n",ret);

}


Compiler output:
a.cc:2:10: fatal error: algorighm: No such file or directory
    2 | #include <algorighm>
      |          ^~~~~~~~~~~
compilation terminated.
Language: Java

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

public class Candles {
    static void func(int n,int k,int[] xa){
        int min = Integer.MAX_VALUE;
        for(int i = 0; i <= n - k; i++){
            min = Math.min(min,Math.min(Math.abs(xa[i]),Math.abs(xa[i+k-1])) + xa[i+k-1] - xa[i]);
            //System.out.println(min+":xa[i+k-1]"+xa[i+k-1]+":xa[i]"+xa[i]);
        }
        System.out.println(min);
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int k = in.nextInt();
        int[] xa = new int[n];
        for(int i = 0; i < n; i++){
            xa[i] = in.nextInt();
        }
        func(n,k,xa);
        in.close();
    }
}

Compiler output:
Main.java:7: error: class Candles is public, should be declared in a file named Candles.java
public class Candles {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pll pair<ll,ll>
#define pb push_back
#define F first
#define S second
#define I insert
#define vll vector<ll>
#define vpll vector<pll>
#define all(x) (x).begin(), (x).end()
#define sz(x) (ll)(x).size()
#ifndef ONLINE_JUDGE
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1>
void __f(const char* name, Arg1&& arg1){ cout << name << " : " << arg1 << std::endl; }
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args){const char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...);}
#else
#define trace(...)
#endif
#define endl '\n'

ll power(ll a, ll b, ll mod){ ll c = 1; while(b>0){ if(b%2) c*=a, c%=mod; b/=2; a*=a; a%=mod; } return c; }
 
const ll N = (1e5) + 10;
const ll M = 320;
const ll Mod = 1e9 + 7;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout<<setprecision(25);
    ll n,k,i,j;
    cin>>n>>k;
    for(i=0;i<n;i++) cin>>ar[i];
    k--;
	cout<<ar[k]-ar[0]<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:27: error: 'ar' was not declared in this scope
   36 |     for(i=0;i<n;i++) cin>>ar[i];
      |                           ^~
a.cc:38:15: error: 'ar' was not declared in this scope
   38 |         cout<<ar[k]-ar[0]<<endl;
      |               ^~
Language: C++

#include <iostream>
#include <vector>
#include <set>
#include <queue>
#include <map>
#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)

using namespace std;

int main(int argc, const char * argv[]) {
    long N, K;
    cin >> N >> K;
    
    long rangemin = 2e8+1;
    queue<long> q;
    REP(i, N) {
        long x;
        cin >> x;
        q.push(x);
        assert(q.size() > K);
        if (q.size() == K) {
            long y = q.front();
            q.pop();
            assert(x >= y);
            long r = min(abs(x), abs(y)) + abs(x-y);
            rangemin = min(rangemin, r);
        }
    }
    
    cout << rangemin << endl;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:20:9: error: 'assert' was not declared in this scope
   20 |         assert(q.size() > K);
      |         ^~~~~~
a.cc:6:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    5 | #include <map>
  +++ |+#include <cassert>
    6 | #define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
Language: C++


//GCD FREQUENCY COUNTER WITH INC-EXC BY ADANCITO

//WHAT DOES THIS ALGORITHM DO?
/*
 
 imagine that for every ordered pair (i, j), 0 <= i, j <= maxN, we did
 res[gcd(i, j)] += one[i] * two[j]
 
 this algorithm calculates the final value of res in O(nlgn)
 
 remember to call precalculations() at the beginning of the program
 
 */

#include <iostream>
#include <string.h>
#include <ctime>
#include <cmath>
#include <algorithm>
#include <iomanip>
#include <queue>
#include <map>
#include <vector>
#define se second
#define fi first

using namespace std;
const int maxN = 3e5 + 8, MOD = 1e9 + 7;

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

int n, k;

ll arr[maxN];

ll gg(ll le, ll ri){
    if(le * ri >= 0){
        return max(abs(le), abs(ri));
    }
    
    return min(abs(ri), abs(le)) * 2 + max(abs(ri), abs(le));
    
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    
    cin >> n >> k;
    
    for(int i = 0; i < n; i++){
        cin >> arr[i];
    }
    
    ll mi = LLONG_MAX;
    
    for(int i = 0; i + k <= n; i++){
        mi = min(gg(arr[i], arr[i + k - 1]), mi);
    }
    
    cout << mi << '\n';
}

//99999000001
//00000999999


Compiler output:
a.cc: In function 'int main()':
a.cc:57:13: error: 'LLONG_MAX' was not declared in this scope
   57 |     ll mi = LLONG_MAX;
      |             ^~~~~~~~~
a.cc:24:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   23 | #include <map>
  +++ |+#include <climits>
   24 | #include <vector>
Language: Java

public class Main {

    public static void swap(int[] num, int l, int h){
        int p = num[l];
        num[l] = num[h];
        num[h] = p;
    }

    public static void main(String[] args)throws Exception{
        Scanner sc = new Scanner(System.in);
        int n= sc.nextInt();
        int[] num = new int[n];
        for (int i = 0; i < n;i++)
            num[i] = sc.nextInt();
        int index = n/2+1;
        if( n== 1)
            System.out.println(num[0]);
        System.out.println(findKthLargest(num,index));

    }


    static public int findKthLargest(int[] nums, int k) {
        if (nums.length == 1)
            return nums[0];
        int l = 0, r = nums.length-1;
        while (k>= 0){
            int pos = partition(nums, l,r);
            if (pos- l +1 > k){
                r= pos-1;
            }
            else if (pos -l + 1 < k){
                k -= (pos - l +1);
                l = pos+1;
            }else {
                return nums[pos];
            }
        }
        return 0;
    }

    static public int partition(int[] nums, int left, int right){
        int pilotIndex = left +(right- left)/2;
        int p = nums[pilotIndex];
        swap(nums,pilotIndex,right);

        int l = left, r= right-1;
        while (l <= r){
            if (nums[l] < p){
                l++;
            }else if (nums[r] >= p){
                r--;
            }else{
                swap(nums,l++,r--);
            }
        }
        swap(nums,l,right);
        return l;
    }

}

Compiler output:
Main.java:10: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:10: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include<bits/stdc++.h>
#define pb push_back
#define ppb pop_back
#define mer make_pair
#define fi first
#define se second
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<pair<int,int>,int> piii;
typedef pair<int,pair<int,int> > ipii;
typedef pair<pii,pii> pi4;
const int vbi=999999999;

void cin_bin(){
	char bin[10000];
	gets(bin);
}

vector<int> jz10_2(int a){
	vector<int> ans;
	while(a!=0){
		ans.pb(a%2);
		a/=2;
	}
	reverse(ans.begin(),ans.end());
	return ans;
}

int main(){
	//my new name is Veex
	//clock_t start1=clock();
	int n,k;
	cin>>n>>k;
	int x[n+1],fj[n+1],zj1[n+1],zj2[n+1];
	for(int i=1;i<=n;i++)
		cin>>x[i];
	int b0=n+1;
	for(int i=1;i<=n;i++)
		if(x[i]>0){
			b0=i;
			break;
		}
	int sum=0;
	for(int i=b0-1;i>=1;i--){
		sum++;
		fj[i]=sum;
		zj1[sum]=i;
	}
	if(b0!=n+1){
		sum=0;
		for(int i=b0;i<=n;i++){
			sum++;
			zj2[sum]=i;
			fj[i]=sum;
		}
	}
	
	ll minn=99999999999999;
	for(int i=1;i<=n-k+1;i++){
		ll ans=0;
		if(i>=b0)
			ans=x[k+i-1];
		else if(k+i-1<b0)
			ans=-x[i];
		else{
			int then=k-fj[i];
			ans=-x[i];
			if(then>0){
				ans+=-x[i];
				ans+=x[zj2[then]];
			}
			ll ans2=0;
			then=k-fj[k+i-1];
			ans2=x[k+i-1];
			if(then>0){
				ans2+=x[k+i-1];
				ans2+=-x[zj1[then]];
			}
//			cout<<ans<<' '<<ans2<<' ';
			ans=min(ans,ans2);
		}
//		cout<<ans<<' '<<i<<endl;
		minn=min(minn,ans);
	}
	cout<<minn;
	//cout<<endl<<((double)(clock()-start1)/CLOCKS_PER_SEC);
	return 0;
}


Compiler output:
a.cc: In function 'void cin_bin()':
a.cc:18:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   18 |         gets(bin);
      |         ^~~~
      |         getw
Language: C++

#include <cstdio>
#include <cmath>
#include <vector>
#include <algorithm>

int main() {
  int n, k;
  while (scanf("%d %d", &n, &k) == 2) {
    std::vector<int> cans(n);

    for (int i = 0; i < n; ++i) {
      scanf("%d", &cans[i]);
    }

    int total = INT_MAX;
    for (int i = 0; i+k <= n; ++i) {
      int j = i + k - 1;
      total = std::min(total,
                       std::min(std::abs(cans[i]), std::abs(cans[j])) +
                       std::abs(cans[j] - cans[i]));
    }

    printf("%d\n", total);
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: error: 'INT_MAX' was not declared in this scope
   15 |     int total = INT_MAX;
      |                 ^~~~~~~
a.cc:5:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    4 | #include <algorithm>
  +++ |+#include <climits>
    5 |
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define maxn 100100
int n,k,a[maxn];
int main()
{
    scanf("%d%d",&n,&k);
    for(int i=1;i<=n;++i) scanf("%d",&a[i]);
    int ans=1e9;
    for(int i=1;i+k-1<=n;++i)
    {
        //[i,i+k-1]
        int ret;
        if(a[i]>=0) ret=a[i+k-1];
        else if(a[i+k-1]<=0) ret=-a[i];
        else ret=min(a[i+k-1]-a[i]*2,a[i+k-1]*2-a[i]);
        ans=min(ans,ret);
    }
    printf("%d\n",ans);`
    return 0;
}


Compiler output:
a.cc:19:24: error: stray '`' in program
   19 |     printf("%d\n",ans);`
      |                        ^
Language: C

#include <iostream>
#include <vector>
#include <algorithm>

template <class T>
T abs(T a) { return (a < 0 ? -a : a); }

int main() {
    long long n, k, ret = 1e14;
    std::cin >> n >> k;
    std::vector<long long> v(n);
    for (auto i = 0ll; i < n; i++) {
        std::cin >> v[i];
    }
    for (auto i = 0ll; i < n - k + 1; i++) {
        auto cost = v[i + k - 1] - v[i] + std::min(abs(v[i + k - 1]), abs(v[i]));
        ret = std::min(ret, cost);
    }

    std::cout << ret << std::endl;

    return 0;
}

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

#include <bits/stdc++.h>
using namespace std;
int main() {
  int N, K; cin >> N >> K;
  vector<long long> pos;
  vector<long long> neg;
  for(int i = 0; i < N; i++) {
    long long x; cin >> x;
    if(x < 0) neg.push_back(x);
    else if(x > 0) pos.push_back(x);
    else K--;
  }
  reverse(neg.begin(), neg.end());
  vector<long long> prepos, preneg;
  prepos.push_back(0);
  preneg.push_back(0);
  for(int i = 0; i < N; i++) {
    if(i <= pos.size()) prepos.push_back(prepos[i-1] + pos[i]);
    if(i <= neg.size()) preneg.push_back(preneg[i-1] + neg[i]);
  }
  int ans = -1;
  for(int p = 0; p <= K; p++) {
    if(p >= prepos.size()) continue;
    if(K - p >= preneg.size()) continue;
    if(ans == -1) ans = prepos[p] + preneg[K - p];
    else ans = min(ans, prepos[p] + preneg[K - p]);
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:19: error: no matching function for call to 'min(int&, __gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type)'
   26 |     else ans = min(ans, prepos[p] + preneg[K - p]);
      |                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:   template argument deduction/substitution failed:
a.cc:26:19: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'})
   26 |     else ans = min(ans, prepos[p] + preneg[K - p]);
      |                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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
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:   candidate expects 1 argument, 2 provided
/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:   template argument deduction/substitution failed:
a.cc:26:19: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   26 |     else ans = min(ans, prepos[p] + preneg[K - p]);
      |                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int main(int argc, char const *argv[])
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    int n, k;
    cin >> n >> k;

    vector<int> candle;

    while (true) {
        int i;
        std::cin >> i;
        if (!std::cin.good()) break;
        candle.push_back(i);
    }

    int min = INT_MAX;
    
    for(int i = 0; i <= n - k; ++i){
        int a = 0;
        a += (candle[i] < 0) ? -candle[i] : candle[i];

        for(int j = 0; j < k - 1; ++j){
            a += ((candle[i + j] < candle[i + j + 1]) ? candle[i + j + 1] - candle[i + j] : candle[i + j] - candle[i + j + 1]);
            if(min < a){
                break;
            }
        }
        min = (min > a) ? a : min;
    }

    for(int i = n - 1; i >= k - 1; --i){
        int a = 0;
        a += (candle[i] < 0) ? -candle[i] : candle[i];

        for(int j = 0; j < k - 1; ++j){
            a += ((candle[i - j] < candle[i - j - 1]) ? candle[i - j - 1] - candle[i - j] : candle[i - j] - candle[i - j - 1]);
            if(min < a){
                break;
            }
        }
        min = (min > a) ? a : min;
    }

    cout << min << endl;

    return 0;
}



Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:23:15: error: 'INT_MAX' was not declared in this scope
   23 |     int min = INT_MAX;
      |               ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include <vector>
  +++ |+#include <climits>
    3 |
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <cstdio>
#include <vector>
#include <queue>
#include <set>
#include <numeric>
#include <cmath>

using namespace std;

typedef long long int ll;

#define all(x) x.begin(),x.end()

const ll mod = 1e9+7;
const ll INF = 1e9;
const ll MAXN = 1e9;

int main()
{
	ll n,k;
	cin >> n >> k;
	vector<ll> x(n);
	for(int i = 0; i < n; i++){
		cin >> x[i];
	}

	ll INF;
	for(int i = 0; i < n; i++){
		if(i+k-1 < n){
			ll res = x[i+k-1] - x[i];
			if(x[i+k-1]*x[i] < 0){
				res += min(-x[i],x[i+k-1]);
			}else if(x[i] > 0) res += x[i];
			else res -= x[i+k-1];
			ans = min(res,ans);
		}
	}
	cout << ans << endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:38:25: error: 'ans' was not declared in this scope; did you mean 'abs'?
   38 |                         ans = min(res,ans);
      |                         ^~~
      |                         abs
a.cc:41:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   41 |         cout << ans << endl;
      |                 ^~~
      |                 abs
Language: C++

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

main(){
	int a=0;
	long long int cost=10000000000;
	int n,k=0;
	cin >> n >> k;
	int x[n];
	for(int i=0;i<n;i++){
		cin >> x[i];
	}k--
	for(int b=0;b<n-k+1;b++){
		if(x[b]<=0 && x[b+k]<=0){
			if( (0-x[b])<cost){
				a=b;
				cost=(0-x[b]);
			}
		}else if(x[b]<=0 && x[b]+x[b+k]<=0){
			if( (-x[b]+2*x[b+k])<cost){
				a=b;
				cost=(-x[b]+2*x[b+k]);
			}
		}else if(x[b]<=0 && x[b]+x[b+k]>0){
			if( ((-2)*x[b]+x[b+k])<cost){
				a=b;
				cost=(-2)*x[b]+x[b+k];
			}
		}else{
			if(x[b+k]<cost){
				a=b;
				cost=x[b+k];
			}
		}
	}
	cout << cost <<endl;
}


Compiler output:
a.cc:5:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    5 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:13:13: error: expected ';' before 'for'
   13 |         }k--
      |             ^
      |             ;
   14 |         for(int b=0;b<n-k+1;b++){
      |         ~~~  
a.cc:14:21: error: 'b' was not declared in this scope
   14 |         for(int b=0;b<n-k+1;b++){
      |                     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define Riep(n) for(int i=1;i<=n;i++)
#define Riop(n) for(int i=0;i<n;i++)
#define Rjep(n) for(int j=1;j<=n;j++)
#define Rjop(n) for(int j=0;j<n;j++)
#define mst(ss,b) memset(ss,b,sizeof(ss));
typedef long long LL;
const LL mod=1e9+7;
const double PI=acos(-1.0);
const int inf=0x3f3f3f3f;
const int N=1e5+2;
int n,m;
int x[N],y[N],a[N],flag[2*N];
int times[N]={0};
int main()
{
        cin>>n;
        {
            Riep(n)scanf("%d",&a[i]);
            Riep(n)
            {
                mst(flag,0);
                int ans=0;
                x[0]=y[0]=0;
                for(int j=1;j<=n;j++)
                {
                    y[j]=y[j-1];
                    x[j]=x[j-1];
                    if(a[j]>a[i])y[j]++;
                    if(a[j]<a[i])x[j]++;
                }
                flag[0]++;
                for(int j=1;j<i;j++)
                {
                        int f=x[j]-y[j];
                        if(f>=0)flag[f]++;
                        else flag[100000+f]++;
                }
                for(int j=i;j<=n;j++)
                {
                    int f=x[j]-y[j];
                    if(f>=0)ans+=flag[f];
                    else ans+=flag[100000+f];
                	f=x[j]-y[j]-1;
                	if(f>=0)ans+=flag[f];
                    else ans+=flag[100000+f];
                }
              times[i]=ans;
            }
        }
    Riep(n)
    	cout<<"t[i]= "<<times[i]<<endl;
	int mid=n/2+1;
	int nums=0;
	sort(times+1,times+n+1,cmp);
	Riep(n)
		if(nums+times[i]>=mid)
			{
				printf("%d",a[i]);
				return 0;
			}
		else
			nums+=times[i];
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:56:32: error: 'cmp' was not declared in this scope; did you mean 'bcmp'?
   56 |         sort(times+1,times+n+1,cmp);
      |                                ^~~
      |                                bcmp
Language: C++

#include <iostream>
#include <cstdio>
#include <cstring>
#include <string>
#include <algorithm>
#include <cmath>
#include <vector>
#include <utility>

using namespace std;

int main()
{
    long long n, k, x[100010],ans=99999999999999;
    cin>>n>>k;
    x[0]=0;
    for (int i=1; i<=n; i++)
    {
        cin>>x[i];
    }
    for (int i=1; i<=n-k+1; i++)
    {
        if (x[i]>0) ans=min(ans, x[i+(k-1)]);
        else if (x[i+(k-1)]<0) ans=min(ans, -x[i]);
        else ans=min(ans, x[i+(k-1)]-x[i]-x[i]));
    }
    cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:48: error: expected ';' before ')' token
   25 |         else ans=min(ans, x[i+(k-1)]-x[i]-x[i]));
      |                                                ^
      |                                                ;