criyle/codenet-compile-errors huggingface dataset:
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];
	}
	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]+b[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]+b[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:18:46: error: expected ';' before '}' token
   18 |                                 cost=(0-x[b])
      |                                              ^
      |                                              ;
   19 |                         }
      |                         ~                     
a.cc:20:43: error: invalid types 'int[int]' for array subscript
   20 |                 }else if(x[b]<=0 && x[b]+b[b+k]<=0){
      |                                           ^
a.cc:23:54: error: expected ';' before '}' token
   23 |                                 cost=(-x[b]+2*x[b+k])
      |                                                      ^
      |                                                      ;
   24 |                         }
      |                         ~                             
a.cc:25:43: error: invalid types 'int[int]' for array subscript
   25 |                 }else if(x[b]<=0 && x[b]+b[b+k]>0){
      |                                           ^
Language: Java

import java.util.*;

public class Main {


    public static void main(String[] args)throws Exception{
        Scanner sc = new Scanner(System.in);
        int n= sc.nextInt();
        int k = sc.nextInt();
        int[] candle = new int[n];
        for (int i = 0; i < n;i++)
            candle[i] = sc.nextInt();
        int index =0;
        for (; index < n;index++)
            if (candle[index]>= 0)
                break;
        int min =Integer.MAX_VALUE;
        if (index == n)
            return -candle[n-k];
        for(int i =0; i< k; i++){
            int l = abs(i,index-1,  candle, -1);
            int r = abs(k-i,index+1,  candle, 1);
            if(r==0 || l == 0)
                min = Math.min(min, Math.max(l,r));
            else {
                int t = l< r + candle[index]? l*2 + r : l+ r*2;
                min = Math.min(min, t);
            }

        }
        return min;

    }

    public static int abs(int left, int index, int[] candle, int dir){
        if (index < 0 || index >= candle.length)
            return 0;
        if (left== 0)
            return 0;
        if (left == 1)
            return Math.abs(candle[index]);
        if (dir< 0){
            return abs(left-1, index-1, candle,dir);
        }
        else{
            return abs(left-1, index+1, candle,dir);
        }
    }



}

Compiler output:
Main.java:19: error: incompatible types: unexpected return value
            return -candle[n-k];
                   ^
Main.java:31: error: incompatible types: unexpected return value
        return min;
               ^
2 errors
Language: C++

#include<iostream>
#include<string>
#include<string.h>
#include<stdio.h>
#include<algorithm>
#include<vector>
#include<math.h>
#include<queue>
#include<map>
using namespace std;
int n;
long long a[200500];
int main()
{
    ios::sync_with_stdio(false);
    int k,n,i;
    sum[0]=0;
    cin >> n >> k;
    for (i=1;i<=n;i++)
    {
        cin >> a[i];
    }
    long long ans=1e18+7;
    for (i=1;i+k-1<=n;i++)
    {
        long long tmp=a[i+k-1]-a[i];
        if ((a[i]<0) && (a[i+k-1]<0)) tmp+=abs(a[i+k-1]);
        if ((a[i]>0) && (a[i+k-1]>0)) tmp+=a[i];
        if ((a[i]<0) && (a[i+k-1]>0)) tmp+=min(-a[i],a[i+k-1]);
        ans=min(ans,tmp);
    }
    cout << ans;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: 'sum' was not declared in this scope
   17 |     sum[0]=0;
      |     ^~~
Language: C++

#include<stdio.h>
#include<string.h>
#include<string>
#include<math.h>
#include<vector>
#include<queue>
#include<stack>
#include<map>
#include<iostream>
#include<algorithm>
using namespace std;
typedef long long LL;
#define lson rt<<1,l,mid
#define rson (rt<<1)|1,mid+1,r
#define mi (l+r)>>1
#define ls rt<<1
#define rs (rt<<1)|1
int read(){
    int x = 0;
    char c = getchar();
    while (c < '0' || c > '9')c = getchar();
    while (c >= '0' && c <= '9') {
        x = x * 10 + c - '0';
        c = getchar();
    }
    return x;
}
void write(int x) {
    int y = 10, len = 1;
    while (y <= x) {
        y *= 10;
        len++;
    }
    while (len--) {
        y /= 10;
        putchar(x / y + 48);
        x %= y;
    }
}
struct note{
	int x,id;
}p[100010];
bool cmp(note a,note b){
	return a.x < b.x;
}
int main(){
	LL sum = 0;
	int n,k;
	scanf("%d %d",&n,&k);
	for(int i = 0 ; i < n ; i++){
		scanf("%d",&p[i].x);
		if(p[i].x<0){
			p[i].id = -1;
			p[i].x = -p[i].x;
		}else{
			p[i].id = 1;
		}
	}
	int now1 = 0,now2 = 0;
	sort(p,p+n,cmp);
	for(int i = 0 ; i < k ; i++){
		if(p[i].id > 0){
			now1 = p[i].x;
		}
		if(p[i].id < 0){
			now2 = p[i].x;
		}
	}
	sum = min(now1,now2)*2+max(now1,now2)++0LL;
	printf("%lld\n",sum);
}
/*
5 5
-9 -7 -4 -3 1
*/ 

Compiler output:
a.cc: In function 'int main()':
a.cc:69:35: error: increment of read-only location 'std::max<int>(now1, now2)'
   69 |         sum = min(now1,now2)*2+max(now1,now2)++0LL;
      |                                ~~~^~~~~~~~~~~
a.cc:69:48: error: expected ';' before numeric constant
   69 |         sum = min(now1,now2)*2+max(now1,now2)++0LL;
      |                                                ^~~
      |                                                ;
Language: C++

#include<stdio.h>

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

int main() {
	int a[100005][2], n, i, j, k;
	while(scanf("%d%d", &n, &k)!=EOF) {
		for(i=1; i<=n; i++) {
			scanf("%d",&a[i][0]);
			if(i<k) a[i][1] = -1;
			else {
				a[i][1] = abs(a[i-k+1][0])>abs(a[i][0]) 
			}
		}
	}
}


/*
 10 5 
 -5   -3	-6	-8	



*/ 

Compiler output:
a.cc: In function 'int main()':
a.cc:14:72: error: expected ';' before '}' token
   14 |                                 a[i][1] = abs(a[i-k+1][0])>abs(a[i][0])
      |                                                                        ^
      |                                                                        ;
   15 |                         }
      |                         ~
Language: C++

#include<stdio.h>


int main(void){

	unsigned int n, k;
	long long int x[50100];
	unsigned int i;
	unsigned int l,c,r;


	scanf("%d %d",&n,&k);

	for(i=0;i<n;i++){
		scanf("%lld",&x[i]);
	}
	c = n;
	for(i=0;i<n;i++){
		if(x[i] >= 0){
			c = i;
			break;
		}
	}
	l = c;
	r = c;

	if(x[c] == 0){
		k--;
	}
	else{
		r--;
	}

	while( k > 0 ){
		if(l == 0){
			r++;
			k--;
		}
		else if(r == (n - 1)){
			l--;
			k--;
		}
		else{
			if((x[l-1]*(-1)) > x[r+1]){
				r++;
			}
			else{
				l--;
			}
			k--;
		}
	}

	}

	if(x[l] > 0){
		printf("%lld\n",x[r]);
	}
	else if(x[r] <= 0){
		printf("%lld\n",-1 * x[l]);
	}
	else{
		if((x[l]*(-1)) > x[r]){
			printf("%lld\n",x[r] * 2 - x[l]);
		}
		else{
			printf("%lld\n",x[r] - x[l] * 2);
		}
	}

	return 0;
}

Compiler output:
a.cc:56:9: error: expected unqualified-id before 'if'
   56 |         if(x[l] > 0){
      |         ^~
a.cc:59:9: error: expected unqualified-id before 'else'
   59 |         else if(x[r] <= 0){
      |         ^~~~
a.cc:62:9: error: expected unqualified-id before 'else'
   62 |         else{
      |         ^~~~
a.cc:71:9: error: expected unqualified-id before 'return'
   71 |         return 0;
      |         ^~~~~~
a.cc:72:1: error: expected declaration before '}' token
   72 | }
      | ^
Language: C++

#include <vector>
#include <stack>
#include <iostream>
#include <string>
#include <vector>
#include <list>
#include <set>
#include <queue>

#include <cmath>
#include <cstdio>

using namespace std;


int main(int argc, char **argv){
	long N, K;
	cin >> N >> K;
	N += 1; //0にろうそくを１個立てる
	K += 1;
	vector<long> x;
	int start = N-1;
	for (int i = 0; i < N-1; ++i){
		long xi;
		cin >> xi;
		if (xi>0 && start == N-1){
			start = i;
			x.push_back(0);
		}
		x.push_back(xi);
	}
	if (start == N-1){ x.push_back(0); }

	long long cost = LLONG_MAX;
	for (long left=max(start-(K-1),0l);left<=start; ++left){
		int right = left + K - 1;
		if (right >= N){ break; }
		long labs = abs(x[left]);
		long rabs = abs(x[right]);
		cost = min(cost, 2ll * min(labs, rabs) + max(labs, rabs));
	}
	
	cout << cost << endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:34:26: error: 'LLONG_MAX' was not declared in this scope
   34 |         long long cost = LLONG_MAX;
      |                          ^~~~~~~~~
a.cc:12:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   11 | #include <cstdio>
  +++ |+#include <climits>
   12 |
Language: C++

#define ffir first.first
#define fsec first.second
#define sfir second.first
#define ssec second.second
#define Decimal fixed << setprecision(10)

//int dxy[5] = {0, 1, 0, -1, 0};
// cmd

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

    int2(n, k);
    vector<int> data(n);
    for (int i = 0; i < n; i++) {
        cin >> data[i];
    }

    int ans = INF;

    for (int i = 0, j = k-1; j < n; i++, j++) {
        int tmp = INF;
        if (data[j] < 0) {
            tmp = -data[i];
        } else if (data[i] > 0) {
            tmp = data[j];
        } else if (data[j] == 0 || data[i] == 0) {
            tmp = max(-data[i], data[j]);
        } else {
            tmp = min(data[i] * -2 + data[j], -data[i] + data[j] * 2);
        }
        ans = min(ans, tmp);
    }

    cout << ans << endl;
    

    return 0;
}









Compiler output:
a.cc: In function 'int main()':
a.cc:12:10: error: 'std::ios' has not been declared
   12 |     std::ios::sync_with_stdio(false);
      |          ^~~
a.cc:13:10: error: 'cin' is not a member of 'std'
   13 |     std::cin.tie(0);
      |          ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #define ffir first.first
a.cc:15:10: error: 'n' was not declared in this scope
   15 |     int2(n, k);
      |          ^
a.cc:15:13: error: 'k' was not declared in this scope
   15 |     int2(n, k);
      |             ^
a.cc:15:5: error: 'int2' was not declared in this scope; did you mean 'int'?
   15 |     int2(n, k);
      |     ^~~~
      |     int
a.cc:16:5: error: 'vector' was not declared in this scope
   16 |     vector<int> data(n);
      |     ^~~~~~
a.cc:16:12: error: expected primary-expression before 'int'
   16 |     vector<int> data(n);
      |            ^~~
a.cc:18:9: error: 'cin' was not declared in this scope
   18 |         cin >> data[i];
      |         ^~~
a.cc:18:16: error: 'data' was not declared in this scope
   18 |         cin >> data[i];
      |                ^~~~
a.cc:21:15: error: 'INF' was not declared in this scope
   21 |     int ans = INF;
      |               ^~~
a.cc:25:13: error: 'data' was not declared in this scope
   25 |         if (data[j] < 0) {
      |             ^~~~
a.cc:30:19: error: 'max' was not declared in this scope
   30 |             tmp = max(-data[i], data[j]);
      |                   ^~~
a.cc:32:19: error: 'min' was not declared in this scope; did you mean 'main'?
   32 |             tmp = min(data[i] * -2 + data[j], -data[i] + data[j] * 2);
      |                   ^~~
      |                   main
a.cc:34:15: error: 'min' was not declared in this scope; did you mean 'main'?
   34 |         ans = min(ans, tmp);
      |               ^~~
      |               main
a.cc:37:5: error: 'cout' was not declared in this scope
   37 |     cout << ans << endl;
      |     ^~~~
a.cc:37:20: error: 'endl' was not declared in this scope
   37 |     cout << ans << endl;
      |                    ^~~~
Language: C++

#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int main(){
    //~ freopen("file.in", "r", stdin);
    int n,k;
    scanf("%d%d",&n,&k);
    vector<int>a,b;
    for(int i=1;i<=n;i++){
		int x;
		scanf("%d",&x);
		if(x<0)
			a.pb(x);
		else if(x>0)
			b.pb(x);
		else
			k--;
	}
	if(!k){
		puts("0");
		return 0;
	}
	int res=INF;
	if((int)b.size()>=k)
		res=b[k-1];
	for(int i=(int)a.size()-1;i>=0;i--){
		if((int)a.size()-i>k)
			break;
		if(k==((int)a.size()-i))	
			umin(res,abs(a[i]));
		else if(k-(a.size()-i)<b.size())
			umin(res,min(2*abs(a[i])+b[k-(a.size()-i)-1]\,abs(a[i])+2*b[k-(a.size()-i)-1]));
	}
	printf("%d\n",res);		
	return 0;
}


Compiler output:
a.cc:48:69: error: stray '\' in program
   48 |                         umin(res,min(2*abs(a[i])+b[k-(a.size()-i)-1]\,abs(a[i])+2*b[k-(a.size()-i)-1]));
      |                                                                     ^
Language: C++

#include<algorithm>
#include<cstdio>
#include<cstring>
#include<string>
#include<time.h>
#include<iostream>
#include<queue>
#include<stack>
#include<map>
#include<cmath>
#include<ext/rope>
#define ll long long
#define oo 0x7fffffff
using namespace std;
using namespace __gnu_cxx;
inline int read()
{
	int out=0,fh=1;
	char cc=getchar();
	while ((cc>'9'||cc<'0')&&cc!='-')
		cc=getchar();
	if (cc=='-')
		{
			fh=-1;
			cc=getchar();
		}
	while (cc>='0'&&cc<='9')
		{
			out=out*10+cc-'0';
			cc=getchar();
		}
	return out*fh;
}
const int MAXN=2e5+10;
int lpos[MAXN],rpos[MAXN],n,k;
int cmp(int x,int y)
{
	return x>y;
}
int main()
{
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	n=read(),k=read();
	int cnt=0,lcnt=0,rcnt=0;
	int ans=oo;
	for(register int i=1;i<=n;++i)
		{
			int x=read();
			if(x==0)
				--n,--k;
			else
				{
					if(x<0)
						lpos[++lcnt]=x;
					else
						rpos[++rcnt]=x;
				}
		}
	if(k<=0)
		{
			printf("0");
			return 0;
		}
	sort(lpos+1,lpos+1+lcnt,cmp);
	if(lcnt==0)
		{
			printf("%d",rpos[k]);
			return 0;
		}
	if(rcnt==0)
		{
			printf("%d",-lpos[k]);
			return 0;
		}
	for(register int i=1;i<=lcnt;++i)
		{
			int j=k-i;
			int sum=0;
			if(rpos[j]<(-lpos[i)])
				sum=2*rpos[j]-lpos[i];
			else
				sum=rpos[i]-2*lpos[j];
			ans=min(ans,sum);
		}
	printf("%d",ans);
	//fclose(stdin);
	//fclose(stdout);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:47:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   47 |         for(register int i=1;i<=n;++i)
      |                          ^
a.cc:76:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   76 |         for(register int i=1;i<=lcnt;++i)
      |                          ^
a.cc:80:44: error: expected ']' before ')' token
   80 |                         if(rpos[j]<(-lpos[i)])
      |                                            ^
      |                                            ]
a.cc:80:45: error: expected ')' before ']' token
   80 |                         if(rpos[j]<(-lpos[i)])
      |                           ~                 ^
      |                                             )
a.cc:80:45: error: expected primary-expression before ']' token
Language: C++

#define se second
#define endl '\n'
#define INF (1e18)
 
void solve() {
    int n, k;
    cin >> n >> k;
 
    vecl v(n);
    for (int i=0; i<n; ++i) {
        cin >> v[i];
    }
 
    auto it = lower_bound(v.begin(), v.end(), 0LL);
    int p = it - v.begin();
    ll ans = INF;
    for (int i = p-k+1; i < p; ++i) {
        if (i<0)
            continue;
        if (i+k-1>=n)
            break;
        ans = min(ans, v[i + k - 1] - v[i] - v[i]);
    }
 
    if (p-k>=0) {
        ans = min(ans, -v[p-k]);
    }
    if (p+k<n) {
        ans = min(ans, v[p+k]);
    }
    if (p+k-1<n) {
        ans = min(ans, v[p+k-1]);
    }
 
    cout << ans << endl;
}
 
int main(int argc, char* argv[]) {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef LOCAL_TEST
    (void)argc;
    const string strpath = string(argv[0]) + string("-test.in");
    freopen(strpath.c_str(), "r", stdin);
    int tcs;
    cin >> tcs;
    while (tcs-- > 0)
#endif
    solve();
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin >> n >> k;
      |     ^~~
a.cc:9:5: error: 'vecl' was not declared in this scope
    9 |     vecl v(n);
      |     ^~~~
a.cc:11:16: error: 'v' was not declared in this scope
   11 |         cin >> v[i];
      |                ^
a.cc:14:27: error: 'v' was not declared in this scope
   14 |     auto it = lower_bound(v.begin(), v.end(), 0LL);
      |                           ^
a.cc:14:15: error: 'lower_bound' was not declared in this scope
   14 |     auto it = lower_bound(v.begin(), v.end(), 0LL);
      |               ^~~~~~~~~~~
a.cc:16:5: error: 'll' was not declared in this scope
   16 |     ll ans = INF;
      |     ^~
a.cc:22:9: error: 'ans' was not declared in this scope
   22 |         ans = min(ans, v[i + k - 1] - v[i] - v[i]);
      |         ^~~
a.cc:22:15: error: 'min' was not declared in this scope
   22 |         ans = min(ans, v[i + k - 1] - v[i] - v[i]);
      |               ^~~
a.cc:26:9: error: 'ans' was not declared in this scope
   26 |         ans = min(ans, -v[p-k]);
      |         ^~~
a.cc:26:15: error: 'min' was not declared in this scope
   26 |         ans = min(ans, -v[p-k]);
      |               ^~~
a.cc:29:9: error: 'ans' was not declared in this scope
   29 |         ans = min(ans, v[p+k]);
      |         ^~~
a.cc:29:15: error: 'min' was not declared in this scope
   29 |         ans = min(ans, v[p+k]);
      |               ^~~
a.cc:32:9: error: 'ans' was not declared in this scope
   32 |         ans = min(ans, v[p+k-1]);
      |         ^~~
a.cc:32:15: error: 'min' was not declared in this scope
   32 |         ans = min(ans, v[p+k-1]);
      |               ^~~
a.cc:35:5: error: 'cout' was not declared in this scope
   35 |     cout << ans << endl;
      |     ^~~~
a.cc:35:13: error: 'ans' was not declared in this scope
   35 |     cout << ans << endl;
      |             ^~~
a.cc: In function 'int main(int, char**)':
a.cc:39:5: error: 'ios' has not been declared
   39 |     ios::sync_with_stdio(false);
      |     ^~~
a.cc:40:5: error: 'cin' was not declared in this scope
   40 |     cin.tie(nullptr);
      |     ^~~
Language: C++

#include <iostream>
#include <algorithm>

using namespace std;

const int N_MAX = 100000;
int N, K;
int candle[N_MAX];

bool abs_comp(int a, int b)
{
    return abs(a) < abs(b);
}

void solve()
{
    sort(candle, candle + N, abs_comp);
    int farthest = candle[K-1];
    sort(candle, candle + K);
    int opposite = (farthest > 0) ? candle[0] : candle[K-1];
    int ans;
    if(signbit(farthest) == signbit(opposite)){
        ans = abs(farthest);
    }else{
        ans = abs(farthest) + abs(opposite) * 2;
    }
    // cout << "f: " << farthest << ", o:" << opposite << endl;
    cout << ans << endl;
}

int main()
{
    cin >> N >> K;
    for(int i = 0; i < N; i++){
        cin >> candle[i];
    }

    solve();
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:22:8: error: 'signbit' was not declared in this scope
   22 |     if(signbit(farthest) == signbit(opposite)){
      |        ^~~~~~~
Language: C++

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

typedef vector<int> veci;
typedef pair<int, int> pii;
typedef vector<pii> vecii;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef vector<ll> vecl;
typedef vector<pll> vecll;
#define EPS (1e-9)
#define MOD (1e9 + 7)
#define fi first
#define se second
#define endl '\n'
#define INF (1e18)

void solve() {
    int n, k;
    cin >> n >> k;

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

    auto it = lower_bound(v.begin(), v.end(), 0LL);
    int p = it - v.begin();
    ll ans = INF;
    for (int i = p-k+1; i < p; ++i) {
        if (i<0)
            continue;
        if (i+k-1>=n)
            break;
        ans = min(ans, v[i + k - 1] - v[i] - v[i]);
    }

    if (p-k>=0) {
        ans = min(ans, -v[p-k]);
    }
    if (p+k<n) {
        ans = min(ans, v[p+k]);
    }
    if (p+k-1<n) {
        ans = min(ans, v[p+k-1]);
    }

    cout << ans << endl;
}

int main(int argc, char* argv[]) {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef LOCAL_TEST
    (void)argc;
    const string strpath = string(argv[0]) + string("-test.in");
    freopen(strpath.c_str(), "r", stdin);
    int tcs;
    cin >> tcs;
    while (tcs-- > 0)
#endif
    solve();
}
`

Compiler output:
a.cc:64:1: error: stray '`' in program
   64 | `
      | ^
Language: C++

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

typedef vector<int> veci;
typedef pair<int, int> pii;
typedef vector<pii> vecii;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef vector<ll> vecl;
typedef vector<pll> vecll;
#define EPS (1e-9)
#define MOD (1e9 + 7)
#define fi first
#define se second
#define endl '\n'
#define INF (1e18)

void solve() {
    int n, k;
    cin >> n >> k;

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

    auto it = lower_bound(v.begin(), v.end(), 0LL);
    int p = it - v.begin();
    ll ans = INF;
    for (int i = p-k; i < p; ++i) {
        if (i<0)
            continue;
        if (i+k-1>=n)
            break;
        ans = min(ans, v[i + k - 1] - v[i] - v[i]);
    }
    if (p+k-1<n) {
        ans = min(ans, v[p+k-1]);
    }

    cout << ans << endl;
}

int main(int argc, char* argv[]) {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef LOCAL_TEST
    (void)argc;
    const string strpath = string(argv[0]) + string("-test.in");
    freopen(strpath.c_str(), "r", stdin);
    int tcs;
    cin >> tcs;
    while (tcs-- > 0)
#endif
    solve();
}
#include <bits/stdc++.h>
using namespace std;

typedef vector<int> veci;
typedef pair<int, int> pii;
typedef vector<pii> vecii;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef vector<ll> vecl;
typedef vector<pll> vecll;
#define EPS (1e-9)
#define MOD (1e9 + 7)
#define fi first
#define se second
#define endl '\n'
#define INF (1e18)

void solve() {
    int n, k;
    cin >> n >> k;

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

    auto it = lower_bound(v.begin(), v.end(), 0LL);
    int p = it - v.begin();
    ll ans = INF;
    for (int i = p-k; i < p; ++i) {
        if (i<0)
            continue;
        if (i+k-1>=n)
            break;
        ans = min(ans, v[i + k - 1] - v[i] - v[i]);
    }
    if (p+k-1<n) {
        ans = min(ans, v[p+k-1]);
    }

    cout << ans << endl;
}

int main(int argc, char* argv[]) {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef LOCAL_TEST
    (void)argc;
    const string strpath = string(argv[0]) + string("-test.in");
    freopen(strpath.c_str(), "r", stdin);
    int tcs;
    cin >> tcs;
    while (tcs-- > 0)
#endif
    solve();
}


Compiler output:
a.cc:74:6: error: redefinition of 'void solve()'
   74 | void solve() {
      |      ^~~~~
a.cc:18:6: note: 'void solve()' previously defined here
   18 | void solve() {
      |      ^~~~~
a.cc:100:5: error: redefinition of 'int main(int, char**)'
  100 | int main(int argc, char* argv[]) {
      |     ^~~~
a.cc:44:5: note: 'int main(int, char**)' previously defined here
   44 | int main(int argc, char* argv[]) {
      |     ^~~~
Language: C++

#include <utility>
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <cmath>
#include <numeric>
#include <limits>
#include <queue>
#include <cstdint>
#define ll long long int
#define rep(i,rept) for (int (i) = 0; (i) < rept; (i)++)
#define Yes(b) std::cout<< (b ? "Yes" : "No")<<std::endl
#define YES(b) std::cout<< (b ? "YES" : "NO")<<std::endl
#define fr first
#define se second
#define lolo 92233720368547757
#define susu 1000000007
typedef std::pair<int, int> pp;
using namespace std;
int main() {

	int n, m, a[100000], b[100000], k = 0, mini = INT_MAX, count = 0;
	cin >> n >> m;
	rep(i, n) {
		cin >> b[i];
		if (i > 0) {
			a[i - 1] = abs(b[i - 1] - b[i]);
			k += a[i - 1];
		}
		
		if (i >= m) {
			k -= (a[i - m + 1 ]);
			mini = min(k + abs(b[count+1]), mini);
			count++;
			
		}
	
	}
	cout << mini;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:55: error: 'INT_MAX' was not declared in this scope
   24 |         int n, m, a[100000], b[100000], k = 0, mini = INT_MAX, count = 0;
      |                                                       ^~~~~~~
a.cc:12:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   11 | #include <cstdint>
  +++ |+#include <climits>
   12 | #define ll long long int
a.cc:35:51: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator+'
   35 |                         mini = min(k + abs(b[count+1]), mini);
      |                                              ~~~~~^~
a.cc:36:30: error: no post-increment operator for type
   36 |                         count++;
      |                              ^~
Language: C++

#include<bits/stdc++.h>

#define INF 1e9
#define llINF 1e18
#define MOD 1e9+7
#define pb push_back
#define mp make_pair 
#define F first
#define S second
#define ll long long
#define ALL(a) (a).begin(),(a).end()
#define Yes(hoge) cout<<((hoge)?"Yes":"No")<<endl;
#define YES(hoge) cout<<((hoge)?"YES":"NO")<<endl;
using namespace std;
int main(){
  int n,k;cin>>n>>k;
  vector<ll>x(n+10);
  ll rui[n+10]={};
  for(int i=0;i<n;i++){
    cin>>x[i];
    rui[i+1]=rui[i]+x[i];
  }
  if(k==1&&n==1){
    cout<<abs(x[0])<<endl;
    return 0;
  }
  ll ans=llINF;
  for(int i=0;i<n-k;i++){
    if((x[i]<=0&&x[i+k-1]=>0)){
      //cout<<x[i+k-1]-x[i]<<endl;
      ans=min(ans,(x[i+k-1]-x[i])+min(abs(x[i]),x[i+k-1]));
    }else if(x[i+k-1]<=0){
      ans=min(abs(x[i]),ans);
    }else if(x[i]>=0){
      ans=min(abs(x[i+k-1]),ans);
    }
  }
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:27: error: expected primary-expression before '>' token
   29 |     if((x[i]<=0&&x[i+k-1]=>0)){
      |                           ^
Language: C++

#include <cstdio>
#include <iostream>
using namespace std;
#define int long long
#define N 100100
inline int read(){
    char ch=getchar(); int x=0,f=1;
    for (;ch>'9'||ch<'0';ch=getchar()) if (ch=='-') f=-1;
    for (;ch>='0'&&ch<='9';ch=getchar()) x=x*10+ch-'0';
    return x*f;
}
int n,K,x[N];
signed main(){
    n=read(),K=read(); int Le=0;
    for (int i=1;i<=n;i++) {
        x[i]=read();
        if (x[i]<0) Le=i;
    }
    if (Le==0){
        printf("%lld\n",x[K]);
        return 0;
    }
    int ans=1e18;
    if (Le+K<=n) ans=x[Le+K];
    for (int i=1;i<=K;i++){
        if (Le<i) continue;
        if (Le+K-i<0) continue;
        if (Le+K-i>n) continue;
        if (i==K){ans=min(ans,l); continue;}
        int l=-x[Le-i+1];
        int r=x[Le+K-i];
        ans=min(ans,min(l*2+r,l+r*2));
    }
    printf("%lld\n",ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:31: error: 'l' was not declared in this scope
   29 |         if (i==K){ans=min(ans,l); continue;}
      |                               ^
Language: C++

/*
ID: dorijan1
TASK: tu napisi ime zadatka molim te molim te ali samo ako si na usaco training
LANG: C++11
*/
#include <bits/stdc++.h>
#define x first
#define y second
#define pii pair<int,int>

using namespace std;

typedef long long int ll;
typedef unsigned long long int ull;
const int MOD=1000000007;
const int MOD2=998244353;
vector<int> bases;
const ll LLINF=1ll<<60;
const char en='\n';

void yes() {cout<<"YES"<<en; exit(0);}
void no() {cout<<"NO"<<en; exit(0);}
template<class T>
void prVec(vector<T> w)
{
	cout<<w.size()<<endl;
	for (int i=0;i<int(w.size())-1;++i) cout<<w[i]<<' ';
	cout<<w[w.size()-1]<<endl;
}

ll raand()
{
	ll a=rand();
	a*=RAND_MAX;
	a+=rand();
    return a%(MOD-7);
}

string to_upper(string a)
{
	for (int i=0;i<(int)a.size();++i) if (a[i]>='a' && a[i]<='z') a[i]-='a'-'A';
	return a;
}

string to_lower(string a)
{
	for (int i=0;i<(int)a.size();++i) if (a[i]>='A' && a[i]<='Z') a[i]+='a'-'A';
	return a;
}

ll sti(string a)
{
	ll k=0;
	for (int i=0;i<(int)a.size();++i)
	{
		k*=10;
		k+=a[i]-'0';
	}
	return k;
}

string its(ll k)
{
	if (k==0) return "0";
	string a;
	while (k)
	{
		a.push_back((k%10)+'0');
		k/=10;
	}
	reverse(a.begin(),a.end());
	return a;
}

ll gcd(ll a,ll b)
{
	if (b==0) return a;
	return gcd(b,a%b);
}

template<class T,class K>
pair<T,K> mp(T a,K b)
{
	return make_pair(a,b);
}

ll mult(ll a,ll b)
{
	return (a*b)%MOD;
}

ll pot(ll n,ll k)
{
	if (k==0) return 1;
	ll a=pot(n,k/2);
	a=mult(a,a);
	if (k%2) return mult(a,n);
	else return a;
}

ll divide(ll a,ll b)
{
	return mult(a,pot(b,MOD-2));
}

ll sub(ll a,ll b)
{
	return (a-b+MOD)%MOD;
}

ll add(ll a,ll b)
{
	return (a+b)%MOD;
}

bool prime(ll a)
{
	if (a==1) return 0;
	for (int i=2;i<=round(sqrt(a));++i)
	{
		if (a%i==0) return 0;
	}
	return 1;
}

pair<int,int> has(string x)
{
	ll h1=0,h2=0;
	x=to_lower(x);
	for (char a: x)
	{
		h1*=bases[0];
		h1+=a-'a';
		h1%=MOD;
		h2*=bases[1];
		h2+=a-'a';
		h2%=MOD2;
	}
	return make_pair(h1,h2);
}

const int N=300010;
int n,k;
ll su1[N],su2[N];
int h[N];
ll mi=MOD;
vector<ll> a,b;
int dx[]={0,1,0,-1};
int dy[]={1,0,-1,0};

int main()
{
	ios_base::sync_with_stdio(false);
	srand((long long)new char);
	for (int i=0;i<10;++i) bases.push_back(raand()+13893829);
	cin>>n>>k;
	for (int i=0;i<n;++i)
	{
		cin>>h[i];
		if (h[i]<=0) a.push_back(-h[i]);
		else b.push_back(h[i]);
	}
	mi*=3;
	a.push_back(0);
	b.push_back(0);
	sort(a.begin(),a.end());
	sort(b.begin(),b.end());
	for (int i=1;i<k;++i)
	{
		if (i>=a.size() || k-i>=b.size()) continue;
		mi=min(mi,a[i]+b[k-i]+min(a[i],b[k-i]))
	}
	cout<<mi;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:171:56: error: expected ';' before '}' token
  171 |                 mi=min(mi,a[i]+b[k-i]+min(a[i],b[k-i]))
      |                                                        ^
      |                                                        ;
  172 |         }
      |         ~
Language: C++

n, k = map(int,input().split())
xs = list(map(int,input().split()))
ans = 1000000000
if n == 1:
    print(xs[0])
    quit()
for i in range(n-k):
    a,b = xs[i],xs[i+k-1]
    if a < 0 and b < 0:
        if ans > (-1 * a):
            ans = (-1 * a)
    elif a > 0 and b > 0:
        if ans > b:
            ans = b
    else:
        if min(b * 2 - a , b - 2 * a) < ans:
            ans = min(b * 2 - a , b - 2 * a)
print(ans)


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

#include <stdio.h>
#include <iostream>
using namespace std;
const int maxn = 100100;
int a[maxn], b[maxn];
int main(){
	int n, k;
	cin >> n >> k;
	int sta = 0, stb = 0;
	for(int e = 0; e < n; e++){
		int x; cin >> x;
		if(x < 0) a[sta++] = x;
		if(x > 0) b[stb++] = x;
	}
	reverse(a, a + sta);
	int ans = 1<<30;
	if(sta >= k) ans = min(ans, -a[k-1]);
	if(stb >= k) ans = min(ans, b[k - 1]);
	for(int e = 0; e < min(sta, k - 1); e++){
		int rv = k - (e + 1);
		ans = min(ans, -2*a[e] + b[rv-1]);
		ans = min(ans, -a[e] + 2*b[rv-1]);
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'reverse' was not declared in this scope
   15 |         reverse(a, a + sta);
      |         ^~~~~~~
Language: C++

#include <cstdio>
#include <algorithm>
typedef long long ll;
const int N=100005;
int n,mx;
int a[N],sum[N],b[N],s[N];
int lowbit(int x) { return x&-x; }
void upd(int x) {
	while (x<=mx){
		sum[x]++;
		x+=lowbit(x); 
	}
}
int getsum(int x) {
    int ret=0;
    while (x){
    	ret+=sum[x];
    	x-=lowbit(x);
    }
    return ret;
}

int check(int mid) {
    memset(sum,0,sizeof(sum));
	mx=0;
    for (int i=1;i<=n;++i) {
        if (a[i]<mid) s[i]=-1;
        else s[i]=1;
    }
    ll ans=0;
    for (int i=1;i<=n;i++) s[i]+=s[i-1];
    for (int i=1;i<=n;i++) s[i]+=n+1,mx=std::max(mx,s[i]);
    for (int i=1;i<=n;i++) upd(s[i]),ans+=getsum(s[i]);
    ll cnt=1ll*n*(n-1)/2+n;
    return cnt-ans<cnt/2+1;
}

int main() {
    scanf("%d",&n);
    for (int i=1;i<=n;++i) scanf("%d",&a[i]),b[i]=a[i];
    std::sort(b+1,b+n+1); 
	int m=std::unique(b+1,b+n+1)-b-1;
    for (int i=1;i<=n;++i) a[i]=std::lower_bound(b+1,b+m+1,a[i])-b;
    int l=1,r=m,ans=0;
    while (l<=r) {
        int mid=(l+r)>>1;
        if (check(mid)) l=mid+1,ans=b[mid];
        else r=mid-1;
    }
    printf("%d\n",ans);
    return 0;
}

Compiler output:
a.cc: In function 'int check(int)':
a.cc:24:5: error: 'memset' was not declared in this scope
   24 |     memset(sum,0,sizeof(sum));
      |     ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include <algorithm>
  +++ |+#include <cstring>
    3 | typedef long long ll;
Language: C++

int main() {
    n=read();
    for (re int i=1;i<=n;++i) S[i]=a[i]=read();
    sort(S+1,S+n+1); int m=unique(S+1,S+n+1)-S-1;
    for (re int i=1;i<=n;++i) a[i]=lower_bound(S+1,S+m+1,a[i])-S;
    int L=1,R=m,ans=0;
    while (L<R) {
        int mid=(L+R+1)>>1;
        if (check(mid)) L=mid;
        else R=mid-1;
    }
    printf("%d\n",S[L]);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:5: error: 'n' was not declared in this scope
    2 |     n=read();
      |     ^
a.cc:2:7: error: 'read' was not declared in this scope
    2 |     n=read();
      |       ^~~~
a.cc:3:10: error: 're' was not declared in this scope
    3 |     for (re int i=1;i<=n;++i) S[i]=a[i]=read();
      |          ^~
a.cc:3:21: error: 'i' was not declared in this scope
    3 |     for (re int i=1;i<=n;++i) S[i]=a[i]=read();
      |                     ^
a.cc:3:31: error: 'S' was not declared in this scope
    3 |     for (re int i=1;i<=n;++i) S[i]=a[i]=read();
      |                               ^
a.cc:3:36: error: 'a' was not declared in this scope
    3 |     for (re int i=1;i<=n;++i) S[i]=a[i]=read();
      |                                    ^
a.cc:4:10: error: 'S' was not declared in this scope
    4 |     sort(S+1,S+n+1); int m=unique(S+1,S+n+1)-S-1;
      |          ^
a.cc:4:5: error: 'sort' was not declared in this scope; did you mean 'short'?
    4 |     sort(S+1,S+n+1); int m=unique(S+1,S+n+1)-S-1;
      |     ^~~~
      |     short
a.cc:4:28: error: 'unique' was not declared in this scope
    4 |     sort(S+1,S+n+1); int m=unique(S+1,S+n+1)-S-1;
      |                            ^~~~~~
a.cc:5:10: error: 're' was not declared in this scope
    5 |     for (re int i=1;i<=n;++i) a[i]=lower_bound(S+1,S+m+1,a[i])-S;
      |          ^~
a.cc:5:21: error: 'i' was not declared in this scope
    5 |     for (re int i=1;i<=n;++i) a[i]=lower_bound(S+1,S+m+1,a[i])-S;
      |                     ^
a.cc:5:31: error: 'a' was not declared in this scope
    5 |     for (re int i=1;i<=n;++i) a[i]=lower_bound(S+1,S+m+1,a[i])-S;
      |                               ^
a.cc:5:36: error: 'lower_bound' was not declared in this scope
    5 |     for (re int i=1;i<=n;++i) a[i]=lower_bound(S+1,S+m+1,a[i])-S;
      |                                    ^~~~~~~~~~~
a.cc:9:13: error: 'check' was not declared in this scope
    9 |         if (check(mid)) L=mid;
      |             ^~~~~
a.cc:12:5: error: 'printf' was not declared in this scope
   12 |     printf("%d\n",S[L]);
      |     ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main() {
Language: C++

//#include<iostream>
//#include<algorithm>
#include<bits/stdc++.h>
using namespace std;
int n,ans,a[200001],sum[200001];
struct node{
	int l,r,sum;
}t[800001];
void build(int l,int r,int k){
	t[k].l=l;
	t[k].r=r;
	if(l==r){
		t[k].sum=0;
		return ;
	}
	int mid=(l+r)/2;
	build(l,mid,k*2);
	build(mid+1,r,k*2+1);
	t[k].sum=t[k*2].sum+t[k*2+1].sum;
}
int ask(int l,int r,int k){
	if(l>r)
		return 0;
	if(t[k].l>=l&&t[k].r<=r)
		return t[k].sum;
	int mid=(t[k].l+t[k].r)/2;
	if(mid>=r)
		return ask(l,r,k*2);
	if(mid<l)
		return ask(l,r,k*2+1);
	return ask(l,mid,k*2)+ask(mid+1,r,k*2+1);
}
void change(int k,int x){
	if(t[k].l==x&&t[k].r==x){
		t[k].sum++;
		return ;
	}
	int mid=(t[k].l+t[k].r)/2;
	if(x<=mid)
		change(k*2,x);
	else
		change(k*2+1,x);
	t[k].sum=t[k*2].sum+t[k*2+1].sum;
}
int found(int x){
	ans=0;
	memset(sum,0,sizeof(sum));
	for(int i=1;i<=n;i++)
		if(a[i]<=x)
			sum[i]=sum[i-1]+1;
		else
			sum[i]=sum[i-1]-1;
	for(int i=0;i<=n;i++)
		sum[i]+=n+1;
	build(1,200001,1);
	for(int i=0;i<=n;i++){
		ans+=ask(1,sum[i]-1,1);
		change(1,sum[i]);
	}
	if(ans>=n*(n+1)/4+1)
		return ans;
	return 0;
}
int main(){
	cin>>n;
	for(int i=1;i<=n;i++)
		cin>>a[i];
	int l=1,r=1e9,mid;
	while(l<=r){
//		cout<<l<<"_____"<<r<<endl;
		mid=(r-l)/2+l;
		if(found(mid))
			r=mid;
		else
			l=mid+1;
		if(r-1<=l){
			if(mid==found(l)){
				mid=l;
			else
				mid=r;
			break;
		}
	}
	cout<<mid;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:79:25: error: expected '}' before 'else'
   79 |                         else
      |                         ^~~~
a.cc:77:42: note: to match this '{'
   77 |                         if(mid==found(l)){
      |                                          ^
Language: C++

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

const int MAXN = 100001;
typedef long long ll;
ll n, a[MAXN], s[MAXN], L, R, f[MAXN * 2 + 10], b[MAXN], c[MAXN * 2 + 10];

void add(ll x) {
	while (x <= 2 * MAXN)f[x]++, x += x & -x;
}
ll query(ll x) {
	ll tot = 0;
	while (x > 0)tot += f[x], x -= x & -x;
	return tot;
}
bool check(ll x) {
	memset(f, 0, sizeof f);
	for (ll i = 1; i <= n; i++) {
		if (a[i] >= x)c[i] = 1; else c[i] = -1;
		c[i] += c[i - 1];
	}
	ll ans = 0;
	for (ll i = 0; i <= n; i++)ans += (query(c[i] + MAXN)), add(c[i] + MAXN);
	return ans >= n * (n + 1) / 4 ? true : false;
}

int main() {
	cin >> n;
	for (ll i = 1; i <= n; i++)cin >> a[i], s[i] = a[i];
	sort(s + 1, s + n + 1);
	L = 1, R = n;
	while (L <= R) {
		ll mid = L + R >> 1;
		if (check(s[mid]))L = mid + 1; else R = mid - 1;
	}
	cout << s[R] << endl;

	return 0;
}

Compiler output:
a.cc: In function 'bool check(ll)':
a.cc:18:9: error: 'memset' was not declared in this scope
   18 |         memset(f, 0, sizeof f);
      |         ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<algorithm>
  +++ |+#include <cstring>
    3 | using namespace std;
Language: C++

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

const int MAXN = 100001;
typedef long long ll;

ll n, a[MAXN], s[MAXN], L, R, f[MAXN * 2 + 10], b[MAXN], c[MAXN * 2 + 10];

void add(ll x) {
	while (x <= 2 * MAXN)f[x]++, x += x & -x;
}

ll query(ll x) {
	ll tot = 0;
	while (x > 0)tot += f[x], x -= x & -x;
	return tot;
}

bool check(ll x) {
	memset(f, 0, sizeof f);
	for (ll i = 1; i <= n; i++) {
		if (a[i] >= x)c[i] = 1; else c[i] = -1;
		c[i] += c[i - 1];
	}
	ll ans = 0;
	for (ll i = 0; i <= n; i++)ans += (query(c[i] + MAXN)), add(c[i] + MAXN);
	return ans >= n * (n + 1) / 4 ? true : false;
}

int main() {
	cin >> n;
	for (ll i = 1; i <= n; i++)cin >> a[i], s[i] = a[i];
	sort(s + 1, s + n + 1);
	L = 1, R = n;
	while (L <= R) {
		ll mid = L + R >> 1;
		if (check(s[mid]))L = mid + 1; else R = mid - 1;
	}
	cout << s[R] << endl;

	return 0;
}

Compiler output:
a.cc: In function 'bool check(ll)':
a.cc:21:9: error: 'memset' was not declared in this scope
   21 |         memset(f, 0, sizeof f);
      |         ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<algorithm>
  +++ |+#include <cstring>
    3 | using namespace std;
Language: C++

#include <bit/stdc++.h>

#define fi first
#define se second
#define pb push_back
#define MP std::make_pair
#define PII std::pair<int, int>
#define all(x) (x).begin(), (x).end()
#define CL(a, b) memset(a, b, sizeof a)
#define rep(i, l, r) for (int i = (l); i <= (r); ++ i)
#define per(i, r, l) for (int i = (r); i >= (l); -- i)
#define PE(x, a) for (int x = head[a]; x;x = edge[x].next)

typedef long long ll;

const int MAXN = 2e5 + 7;

int t[MAXN], a[MAXN], n;

inline int lb(int x) {
	return x & (-x);
}

void add(int x) {
	for (int i = x; i <= 2 * n; i += lb(i)) t[i]++;
}

int query(int x) {
	int r = 0;
	for (int i = x; i; i -= lb(i)) r += t[i];
	return r;
}

bool check(int mid) {
	CL(t, 0);
	int sum = 0;
	ll cnt = 0;
	add(n);
	rep(i, 1, n) sum += (a[i] >= mid ? 1 : -1), cnt += query(sum + n), add(sum + n);
	return cnt >= 1ll * n * (n + 1ll) / 4ll;
}

int main() {
	scanf("%d", &n);
	int l = INT_MAX, r = INT_MIN, mid;
	rep(i, 1, n) scanf("%d", a + i), l = std::min(l, a[i]), r = std::max(r, a[i]);
	while (l < r) {
		mid = (l + r + 1) / 2;
		if (check(mid)) l = mid;
		else r = mid - 1;
	}
	printf("%d\n", l);
	return 0;
}

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

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<int> ar(N);
  sort(ar.begin(),ar.end());
  int sum=0;
  while(i<=N/2){
    sum+=sum;
    i++;
  }
  int mid = N/2 +1;
  int i =mid;
  while(mid < sum){
    i++;
    mid+=i;
  }
  
  
  cout<<ar.at(i)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'i' was not declared in this scope
    9 |   while(i<=N/2){
      |         ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<int> ar(N);
  ar = sort(ar.begin(),ar.end());
  int sum=0;
  while(i<=N/2){
    sum+=sum;
    i++;
  }
  int mid = N/2 +1;
  int i =mid;
  while(mid < sum){
    i++;
    mid+=i;
  }
  
  
  cout<<ar.at(i)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:32: error: no match for 'operator=' (operand types are 'std::vector<int>' and 'void')
    7 |   ar = sort(ar.begin(),ar.end());
      |                                ^
In file included from /usr/include/c++/14/vector:72,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/vector.tcc:210:5: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>]'
  210 |     vector<_Tp, _Alloc>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/vector.tcc:211:42: note:   no known conversion for argument 1 from 'void' to 'const std::vector<int>&'
  211 |     operator=(const vector<_Tp, _Alloc>& __x)
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/14/vector:66:
/usr/include/c++/14/bits/stl_vector.h:766:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = int; _Alloc = std::allocator<int>]'
  766 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:766:26: note:   no known conversion for argument 1 from 'void' to 'std::vector<int>&&'
  766 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |                 ~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_vector.h:788:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = int; _Alloc = std::allocator<int>]'
  788 |       operator=(initializer_list<value_type> __l)
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:788:46: note:   no known conversion for argument 1 from 'void' to 'std::initializer_list<int>'
  788 |       operator=(initializer_list<value_type> __l)
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
a.cc:9:9: error: 'i' was not declared in this scope
    9 |   while(i<=N/2){
      |         ^
Language: C++

include<bits/stdc++.h>
#define f first
#define s second
#define ll long long
#define N 200009
#define inf 999999999999
#define pb push_back
#define M (L+R)/2
using namespace std;
 
struct node {
	ll sum;
	node *left,*right;
	node(): sum(0), left(NULL), right(NULL){}
};
node *root(NULL);
 
void upd(node *&parent,ll L,ll R,ll ind,ll x){
	if(!parent){
		parent=new node();
	}
	if(L+1==R){
		parent->sum+=x;
		return;
	}
	if(ind<M){
		upd(parent->left,L,M,ind,x);
	} else {
		upd(parent->right,M,R,ind,x);
	}
	parent->sum=(parent->left?parent->left->sum:0)+(parent->right?parent->right->sum:0);
	return;
}
 
ll get(node *&parent,ll L,ll R,ll l,ll r){
	if(parent){
		if(L>=r || R<=l)return 0;
		if(l<=L && R<=r)return parent->sum;
		return get(parent->left,L,M,l,r)+get(parent->right,M,R,l,r);
	}
	return 0;
}
 
 
ll n,A[N],a[N],b[N],c[N];
 
bool check(ll x){
	ll zero=0,one=0;
	for(int i=1;i<=n;i++){
		if(a[i]<x)b[i]=-1,zero++;
		else b[i]=1,one++;
	}
	for(int i=1;i<=n;i++){
		b[i]+=b[i-1];
		upd(root,-2*N,2*N,b[i],1);
	}
	for(int i=1;i<=n;i++){
		upd(root,-2*N,2*N,b[i],-1);
		ll G=get(root,-2*N,2*N,b[i],N-1);
		one+=G;
		zero+=n-i-G;
	}
	
//	cout<<x<<" "<<zero<<" - "<<one<<endl;
	if(zero>one)return false;
	else return true;
}
 
int main(){
	
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		A[i]=a[i];
	}
	sort(A+1,A+1+n);
	ll L=1,R=n,pas=0;
	while(L<=R){
		root=NULL;
		if(check(A[M])){
			pas=A[M];
			L=M+1;
		} else {
			R=M-1;
		}
	}
	cout<<pas<<endl;
	return 0;
}


Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<bits/stdc++.h>
      | ^~~~~~~
a.cc: In constructor 'node::node()':
a.cc:14:30: error: 'NULL' was not declared in this scope
   14 |         node(): sum(0), left(NULL), right(NULL){}
      |                              ^~~~
a.cc:1:1: note: 'NULL' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>'
  +++ |+#include <cstddef>
    1 | include<bits/stdc++.h>
a.cc: At global scope:
a.cc:16:12: error: 'NULL' was not declared in this scope
   16 | node *root(NULL);
      |            ^~~~
a.cc:16:12: note: 'NULL' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>'
a.cc: In function 'int main()':
a.cc:71:9: error: 'cin' was not declared in this scope
   71 |         cin>>n;
      |         ^~~
a.cc:76:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   76 |         sort(A+1,A+1+n);
      |         ^~~~
      |         short
a.cc:79:22: error: 'NULL' was not declared in this scope
   79 |                 root=NULL;
      |                      ^~~~
a.cc:79:22: note: 'NULL' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>'
a.cc:87:9: error: 'cout' was not declared in this scope
   87 |         cout<<pas<<endl;
      |         ^~~~
a.cc:87:20: error: 'endl' was not declared in this scope
   87 |         cout<<pas<<endl;
      |                    ^~~~