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

import java.io.InputStream;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;
	
	public void _main(String[] args) {
		Scanner sc = new Scanner(in);
		int N = sc.nextInt();
		int[] a = new int[N];
		
		for (int i = 0; i < N; i++) {
			a[i] = sc.nextInt() - (i+1);
		}
		
		Arrays.sort(a);
		
		int median;
		if (N % 2 == 1) {
			median = a[N/2];
		} else {
			median = (a[N/2-1] + a[N/2]) / 2;
		}
		
		long ans = 0;
		for (int i = 0; i < N; i++) {
			ans += Math.abs(a[i] - median);
		}
		
		out.println(ans);
		
		sc.close();
	}
	
	public static void main(String[] args) {
		new Main()._main(args);
	}
}

jfla;ksjflkajdf


Compiler output:
Main.java:43: error: class, interface, enum, or record expected
jfla;ksjflkajdf
^
Main.java:43: error: reached end of file while parsing
jfla;ksjflkajdf
     ^
2 errors
Language: C++

#include <cstdio>
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int N;
ll A[200100];
ll L ,R;
int main(){
	cin >> N;
	L = 0,R = 0;
	for(int i=0;i<N;i++){
		cin >> A[i];
		A[i]-=(i+1);
	}
	sort(A,A+N);
	for(int i=0;i<N;i++){
		if(i>0)R += A[i];
	}
	ll ans = 1000000000000000ll;
	for(int i=0;i<N;i++){
		//cout << L << ' ' << R << endl;
		ans = min(ans,R-A[i]*(ll)(N-i-1)+A[i]*i-L);
		L += A[i];
		R -= A[i+1];
	}
	cout << ans << endl;
	return 0;
}#include <cstdio>
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int N;
ll A[200100];
ll L ,R;
int main(){
	cin >> N;
	L = 0,R = 0;
	for(int i=0;i<N;i++){
		cin >> A[i];
		A[i]-=(i+1);
	}
	sort(A,A+N);
	for(int i=0;i<N;i++){
		if(i>0)R += A[i];
	}
	ll ans = 1000000000000000ll;
	for(int i=0;i<N;i++){
		//cout << L << ' ' << R << endl;
		ans = min(ans,R-A[i]*(ll)(N-i-1)+A[i]*i-L);
		L += A[i];
		R -= A[i+1];
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc:28:2: error: stray '#' in program
   28 | }#include <cstdio>
      |  ^
a.cc:28:3: error: 'include' does not name a type
   28 | }#include <cstdio>
      |   ^~~~~~~
a.cc:32:5: error: redefinition of 'int N'
   32 | int N;
      |     ^
a.cc:5:5: note: 'int N' previously declared here
    5 | int N;
      |     ^
a.cc:33:4: error: redefinition of 'll A [200100]'
   33 | ll A[200100];
      |    ^
a.cc:6:4: note: 'll A [200100]' previously declared here
    6 | ll A[200100];
      |    ^
a.cc:34:4: error: redefinition of 'll L'
   34 | ll L ,R;
      |    ^
a.cc:7:4: note: 'll L' previously declared here
    7 | ll L ,R;
      |    ^
a.cc:34:7: error: redefinition of 'll R'
   34 | ll L ,R;
      |       ^
a.cc:7:7: note: 'll R' previously declared here
    7 | ll L ,R;
      |       ^
a.cc:35:5: error: redefinition of 'int main()'
   35 | int main(){
      |     ^~~~
a.cc:8:5: note: 'int main()' previously defined here
    8 | int main(){
      |     ^~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#define int long long
using namespace std;

int main(){
  int n;
  cin >> n;
  int a[n];
  for(int i=0;i<n;i++){
    cin >> a[i];
    a[i]-=i;
  }
  sort(a,a+n);
  int p=a[n/2];
  int ans=0;
  for(int i=0;i<n;i++){
    ans+=abs(a[i]-p);
  }
  cout << ans << endl;
  return (int)0;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#define int long long
using namespace std;

int main(void){
  int n;
  cin >> n;
  int a[n];
  for(int i=0;i<n;i++){
    cin >> a[i];
    a[i]-=i;
  }
  sort(a,a+n);
  int p=a[n/2];
  int ans=0;
  for(int i=0;i<n;i++){
    ans+=abs(a[i]-p);
  }
  cout << ans << endl;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#define int long long
using namespace std;

int main(){
  int n;
  cin >> n;
  int a[n];
  for(int i=0;i<n;i++){
    cin >> a[i];
    a[i]-=i;
  }
  sort(a,a+n);
  int p=a[n/2];
  int ans=0;
  for(int i=0;i<n;i++){
    ans+=abs(a[i]-p);
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#define int long long
using namespace std;

int main(){
  int n;
  cin >> n;
  int a[n];
  for(int i=0;i<n;i++){
    cin >> a[i];
    a[i]-=i;
  }
  sort(a,a+n);
  int p=a[n/2];
  int ans=0;
  for(int i=0;i<n;i++){
    ans+=abs(a[i]-p);
  }
  cout << ans << endl;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include <iostream>
#include <string>
#include <sstream>
#include <cmath>
#include <vector>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
using namespace std;
int i,j,k,n,m;
string s;

int main() {
  cin>>n;
  vector<long> a(n);
  for(i=0;i<n;++i) {
    cin>>a[i];
    a[i] -= i + 1;
    b +=a[i];
  }
  long b = a[n/2];
  long out =0;
  for(i=0;i<n;++i)out += abs(a[i] - b);
  cout << out << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: 'b' was not declared in this scope
   20 |     b +=a[i];
      |     ^
Language: C++

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <algorithm>
#include <chrono>
#include <iostream>
#include <map>
#include <string>
#include <vector>

using namespace std;

long long calc_sad(vector<long long> &A, long long b_mid, int N) {
    long long ret = 0;
    for (int i = 1; i <= N; i++) {
        ret += abs(A[i] - b_mid - i);
    }
    return ret;
}

int main() {
    int N;
    cin >> N;
    vector<long long> A(N + 1);
    for (int i = 1; i <= N; i++) {
        cin >> A[i];
    }
    long long b_max = -1e12, b_min = 1e12;

    for (int i = 1; i <= N; i++) {
        b_max = max(b_max, A[i] - i);
        b_min = min(b_min, A[i] - i);
    }

    long long b_mid;
    while (b_max - b_min >= 0) {
        b_mid = (b_max + b_min) / 2;
        long long sad_1 = calc_sad(A, b_max, N);
        long long sad_2 = calc_sad(A, b_min, N);
        long long sad_mid = calc_sad(A, b_mid, N);

        if (sad_1 < sad_2) {
            b_min = b_mid + 1;
        } else {
            b_max = b_mid - 1;
        }
    }
    long long ans = min(calc_sad(A, b_max, N), calc_sad(A, b_min, N));
    long long ans = min(ans, calc_sad(A, b_mid, N));
    cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:49:15: error: redeclaration of 'long long int ans'
   49 |     long long ans = min(ans, calc_sad(A, b_mid, N));
      |               ^~~
a.cc:48:15: note: 'long long int ans' previously declared here
   48 |     long long ans = min(calc_sad(A, b_max, N), calc_sad(A, b_min, N));
      |               ^~~
Language: C++

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

int main() {
    long long int n, a[200000], b[200000], mid, sum = 0;
    cin >> n;
    for(int i=0; i<n; i++){
        cin >> a[i];
    }
    for(int i=0; i<n; i++){
        b[i] = a[i] - (i+1);
    }
    // ソートして中央値を求める
    sort(b, b+n);
    med = b[n/2];

    for(int i=0; i<n; i++){
        sum += abs(b[i] - med);
    }
    cout << sum << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: 'med' was not declared in this scope; did you mean 'mid'?
   17 |     med = b[n/2];
      |     ^~~
      |     mid
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < n; ++i)
#define repR(i, n) for(int i = n; i >= 0; ++i)
#define FDS(i, n) for(ll i = 0; i < n; ++i)
#define FDSR(i, n) for(int i = n; i >= 0; ++i)
#define FOR(i, m, n) for(int i = m; i < n; ++i)
#define FORR(i, m, n) for(int i = m;i >= n;--i)
#define VSORT(v) sort(v.begin(), v.end());
#define INF 999999999
#define itn int
#define ednl endl
using namespace std;
typedef long long ll;
int main(){
	ll N;
	vector<ll> A(N);
	cin>>N;
	FDS(i,N){
		cin>>A[i];
		A[i]-=(i+1);
	}
	VSORT(A);
	FDS(i,N){
		A[i]-=A[0];
	}//003334445666/12コ
	vector<ll> B(N);
	B[0]=A[0];
	int j=0;
	FDS(i,N){
		if(A[i]!=B[j]){
			j++;
			B[j]=A[i];
		}
	}
	int sum=0;
	FDS(i,N){
		int sub=0;
		FDS
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:17: error: 'FDS' was not declared in this scope
   38 |                 FDS
      |                 ^~~
Language: C++

// review
#include <iostream>
#include <cmath>

using namespace std;
typedef long long ll;
const int MAXN = 200010;
const ll INF = 1e10;

int n;
ll a[MAXN];

void solve() {
  for (int i=0;i<n;i++) {
    a[i] -= i + 1;
  }
  sort(a, a + n);
  ll median = a[(n - 1) / 2];
  ll sum = 0;
  for (int i=0;i<n;i++) {
    sum += abs(a[i] - median);
  }
  cout << sum << endl;
}

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


Compiler output:
a.cc: In function 'void solve()':
a.cc:17:3: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   17 |   sort(a, a + n);
      |   ^~~~
      |   sqrt
Language: C++

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

int main(){
	int n;cin>>n;
	vector<int>a(n);
	for(int i=0;i<n;i++){int t;cin>>t;a[i]=(t-i);}
	sort(a.begin(),a.end());
//  	for(auto&& w:a)cout<<w<<" ";cout<<endl;
	int m=(n-1)/2;
	int ans=0;
	for(int i=0;i<=m;i++){ans+=abs(a[n-1-i]-a[i]);}
	cout<<ans<<endl;
}

Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

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

int main(){
	int n;cin>>n;
	vector<int>a(n);
	for(int i=1;i<n;i++){int t;cin>>t;a[i]=t-i;}
	sort(a.begin(),a.end());
	int m=n/2;
	int ans=0;
	for(int i=0;i<((n-1)/2);i++){ans+=a[n-1-i]-a[i]}
	cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:56: error: expected ';' before '}' token
   11 |         for(int i=0;i<((n-1)/2);i++){ans+=a[n-1-i]-a[i]}
      |                                                        ^
      |                                                        ;
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
long long aa[200005] = {0};
using namespace std;
int main() {
	long long n;
	long long sum=0;
	long long a;

	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> a;
		aa[i] = a;
		sum += a;
	}
	long long f = (1 + n)*n / 2;
	long long b = (sum - f) % n;
	while (b < 0)b += n;
	long long c = n - b;
	long long d = (sum - b-f) / n;
	long long ansc = 0;
	long long ansb = 0;
	long long ansd = 0;
	long long anse = 0;

	for (int i = 1; i <= n; i++) {
		ansb += abs(aa[i]-d-i);
		ansc += abs(aa[i] - d - i-1);
		ansd += abs(aa[i] - d - i+1);
		anse += abs(aa[i] - d - i - 2);

	}
	//cout << b <<  " " << c << " " << " " << d << " " << ansb << " " << ansc << endl;
	cout << min(min(ansb,ansc,ansd),anse) << endl;
}

Compiler output:
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:35:17:   required from here
   35 |         cout << min(min(ansb,ansc,ansd),anse) << endl;
      |                     ~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
long long aa[200005] = {0};
using namespace std;
int main() {
	long long n;
	long long sum=0;
	long long a;

	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> a;
		aa[i] = a;
		sum += a;
	}
	long long f = (1 + n)*n / 2;
	long long b = (sum - f) % n;
	while (b < 0)b += n;
	long long c = n - b;
	long long d = (sum - b-f) / n;
	long long ansc = 0;
	long long ansb = 0;
	long long ansd = 0;
	long long anse = 0;

	for (int i = 1; i <= n; i++) {
		ansb += abs(aa[i]-d-i);
		ansc += abs(aa[i] - d - i-1);
		ansd += abs(aa[i] - d - i+1);
		anse += abs(aa[i] - d - i - 2);

	}
	//cout << b <<  " " << c << " " << " " << d << " " << ansb << " " << ansc << endl;
	cout << min(ansb,ansc,ansd,anse) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:20: error: no matching function for call to 'min(long long int&, long long int&, long long int&, long long int&)'
   35 |         cout << min(ansb,ansc,ansd,anse) << endl;
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   candidate expects 2 arguments, 4 provided
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 4 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/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, 4 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:   candidate expects 2 arguments, 4 provided
Language: C++

lude<bits/stdc++.h>
using namespace std;
typedef long long ll;

int main()
{
    int n;
    cin >> n;
    int a[n];
    int ans = 0;
    for(int i = 1; i < n+1; i++){
        int x;
        cin >> x;
        x -= i;
        a[i] = x;
    }
    sort(a,a+n);
    if(n % 2 == 1){
        int k = a[n/2];
        for(int i = 0; i < n; i++){
            ans += abs(a[i]-k);
        }
    }else{
        int k = a[n/2];
        for(int i = 0; i < n; i++){
            ans += abs(a[i] - k);
        }
    }
    cout << ans;
}


Compiler output:
a.cc:1:1: error: 'lude' does not name a type
    1 | lude<bits/stdc++.h>
      | ^~~~
a.cc: In function 'int main()':
a.cc:8:5: error: 'cin' was not declared in this scope
    8 |     cin >> n;
      |     ^~~
a.cc:17:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   17 |     sort(a,a+n);
      |     ^~~~
      |     short
a.cc:21:20: error: 'abs' was not declared in this scope; did you mean 'ans'?
   21 |             ans += abs(a[i]-k);
      |                    ^~~
      |                    ans
a.cc:26:20: error: 'abs' was not declared in this scope; did you mean 'ans'?
   26 |             ans += abs(a[i] - k);
      |                    ^~~
      |                    ans
a.cc:29:5: error: 'cout' was not declared in this scope
   29 |     cout << ans;
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
    long long ans=0;
    int n,i=0,a[200009];
    for(scanf("%d",&n); i<n; ++i) scanf("%d",a+i),a[i]-=i;
    for(sort(a,a+n),i=0; i<n; ++i) ans+=abs(a[n/2]-a[i]);
    printf("%lld\n",ans)
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:25: error: expected ';' before '}' token
    9 |     printf("%lld\n",ans)
      |                         ^
      |                         ;
   10 | }
      | ~
Language: C++

#include "bits/stdc++.h"
#define in std::cin
#define out std::cout
#define rep(i,N) for(int i=0;i<N;++i)
typedef long long int LL;

LL N;
std::vector<LL>A;

LL f(LL b)
{
	LL res = 0;
	rep(i, N) res += abs(A[i] - b);
	return res;
}

int main()
{
	in >> N;
	A.resize(N);
	rep(i, N)
	{
		in >> A[i];
		A[i] -= i;
	}
	LL l = -1123456789, r = 1123456789;
	while (r - l > 1)
	{
		LL m = (l + r) / 2;
		if (f(m - 1) < f(m + 1)) r = m;
		else l = m;
	}
	out << std::f((l + r) / 2) << std::endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:21: error: 'f' is not a member of 'std'; did you mean 'f'?
   33 |         out << std::f((l + r) / 2) << std::endl;
      |                     ^
a.cc:10:4: note: 'f' declared here
   10 | LL f(LL b)
      |    ^
Language: C++

#include <iostream>

using namespace std;
using LL = long long;

const int MAXN = 200000 + 5;

int a[MAXN];

LL solve(int n) {
  for (int i = 1; i <= n; ++i) {
    a[i] -= i;
  }
  sort(a + 1, a + n + 1);
  int mid = a[(n + 1) / 2];
  LL res = 0;
  for (int i = 1; i <= n; ++i) {
    if (a[i] < mid) 
      res += mid - a[i];
    else
      res += a[i] - mid;
  }
  return res;
}

int main() {
  int n;
  scanf("%d", &n);
  for (int i = 1; i <= n; ++i) {
    scanf("%d", a + i);
  }
  printf("%lld\n", solve(n));
  return 0;
}


Compiler output:
a.cc: In function 'LL solve(int)':
a.cc:14:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |   sort(a + 1, a + n + 1);
      |   ^~~~
      |   short
Language: C++

#include <bits/stdc++.h>
const int Maxv = 200010; 
int num[Maxv], n,i; 
long long ans; 
int main() {
    cin>>n; 
    for (i = 0; i < n; i++) {
        cin>>num[i]; 
        num[i] -= i + 1; 
    }
    std::sort(num, num + n); 
    int tmp = num[(n >> 1)]; 
    for (i = 0; i < n; i++) 
        ans += abs(num[i] - tmp); 
    cout<<ans;  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |     cin>>n;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:15:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |     cout<<ans;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

import math
n = int(input())
lis = list(map(int,input().split()))
cou = 0
co = 0
num = math.ceil(sum(lis))
nu = math.floor(sum(lis))
for i in range(n):
  cou += abs(lis[i]-(num + i + 1))
  co += abs(lis[i]-(nu + i + 1))
print(min(cou,co))

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import math
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

// Author: 23forever
#include <iostream>
#include <cstdio>
#include <cmath>
#include <cstring>
#include <vector>
#include <queue>
typedef long long LL;
const int MAXN = 200000;
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 n;
LL a[MAXN + 5];

void init() {
//  enableFileIO();

  n = read();
  for (int i = 1; i <= n; ++i) a[i] = read() - i;
}

int main() {
  init();
  
  sort(a + 1, a + 1 + n);
  int res = a[n / 2 + 1];
  LL ans = 0;
  for (int i = 1; i <= n; ++i) {
    ans += fabs(a[i] - res); 
  }

  printf("%lld\n", ans);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:45:3: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   45 |   sort(a + 1, a + 1 + n);
      |   ^~~~
      |   sqrt
Language: C++

#include<cstdio>
#include<algorithm>
using namespace std;
int main(){
	scanf("%d",&N);
	for(int i=1;i<=N;++i) scanf("%d",a+i), a[i]-=i;
	sort(a+1,a+N+1);
	int X=a[N+1>>1];
	long long Ans=0;
	for(int i=1;i<=N;++i) Ans+=X-a[i]<0?a[i]-X:X-a[i];
	printf("%lld\n",Ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:21: error: 'N' was not declared in this scope
    5 |         scanf("%d",&N);
      |                     ^
a.cc:6:42: error: 'a' was not declared in this scope
    6 |         for(int i=1;i<=N;++i) scanf("%d",a+i), a[i]-=i;
      |                                          ^
a.cc:7:14: error: 'a' was not declared in this scope
    7 |         sort(a+1,a+N+1);
      |              ^
Language: C++

#include <iostream>
#include<bits/stdc++.h>
#include<iostream>
#include<vector>
#include<utility>
#include<numeric>
#include<functional>
#include<algorithm>
#include<queue>
#include<map>
#include<string>

#define FOR(i, a, b) for(int i=a; i<b; i++)
#define COUT(a) cout << a << endl;

using namespace std;
using Int = long long;
using P = pair<Int, Int>;

int main() {
    Int a,ans;

    //Int buf[3];
    cin >> a;

    Int b[a],c[a];

    FOR(i, 0, a)
        cin >> b[i];

    FOR(j,0,a) {
        c[i] = abs(b[a] - a);
        ans += c[i];
    }

    Int ansA = Int(ans/a + 0.5);

    Int ansB;

    FOR(z,0,a){
        ansB += abs (a[i] - (ansA + z);
    }

    cout << ansB << endl;

    return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:32:11: error: 'i' was not declared in this scope
   32 |         c[i] = abs(b[a] - a);
      |           ^
a.cc:41:24: error: 'i' was not declared in this scope
   41 |         ansB += abs (a[i] - (ansA + z);
      |                        ^
a.cc:46:14: error: expected '}' at end of input
   46 |     return 0;
      |              ^
a.cc:20:12: note: to match this '{'
   20 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int c[999999];
int main() {
      int a,q=0,i;
      cin>>a;
      for (i=1;i<=a;++i){
            cin>>c[i];
            q+=abs(c[i]−i);
      }
      cout <<q;
}


Compiler output:
a.cc:9:24: error: extended character − is not valid in an identifier
    9 |             q+=abs(c[i]−i);
      |                        ^
a.cc: In function 'int main()':
a.cc:9:24: error: expected ')' before '\U00002212i'
    9 |             q+=abs(c[i]−i);
      |                   ~    ^~
      |                        )
Language: C++

{-# LANGUAGE BangPatterns #-}
import Control.Monad
import Control.Applicative
import Data.List
import Data.Maybe
import Data.Bits
import qualified Data.IntMap.Strict as M
import qualified Data.ByteString.Char8 as B
import qualified Data.Vector.Unboxed as V
import Data.Vector.Unboxed ((!))


query :: Int -> [Int] -> Int
query n ais = sum $ map (abs . subtract mid) diffs 
 where
   diffs = sort $ zipWith (-) ais [1..]
   mid = diffs !! ((n-1) `div` 2)

main :: IO ()
main = do
  n <- read <$> getLine
  ais <- unfoldr (B.readInt . B.dropWhile (==' ')) <$> B.getLine
  putStrLn $ show $ query n ais

Compiler output:
a.cc:1:3: error: stray '#' in program
    1 | {-# LANGUAGE BangPatterns #-}
      |   ^
a.cc:1:27: error: stray '#' in program
    1 | {-# LANGUAGE BangPatterns #-}
      |                           ^
a.cc:16:36: error: too many decimal points in number
   16 |    diffs = sort $ zipWith (-) ais [1..]
      |                                    ^~~
a.cc:17:26: error: stray '`' in program
   17 |    mid = diffs !! ((n-1) `div` 2)
      |                          ^
a.cc:17:30: error: stray '`' in program
   17 |    mid = diffs !! ((n-1) `div` 2)
      |                              ^
a.cc:1:1: error: expected unqualified-id before '{' token
    1 | {-# LANGUAGE BangPatterns #-}
      | ^
a.cc:2:1: error: 'import' does not name a type
    2 | import Control.Monad
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include<bits/stdc++.h>
using namespace std;
long long int a[200009];
int main()
{
    long long int n,res=0;
    scanf("%lld",&n);
    for(long long int i=1; i<=n; i++)
    {
        scanf("%lld",&a[i]);
        a[i]-=i;
    }
    sort(a+1,a+n+1);
    long long int res=a[n/2+1];
    for(long long int i=1; i<=n; i++)
        res+=abs(a[i]-res);
    printf("%lld\n",res);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:19: error: redeclaration of 'long long int res'
   14 |     long long int res=a[n/2+1];
      |                   ^~~
a.cc:6:21: note: 'long long int res' previously declared here
    6 |     long long int n,res=0;
      |                     ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
long long int a[200009];
int main()
{
    long long int n,sum=0;
    scanf("%lld",&n);
    for(long long int i=1; i<=n; i++)
    {
        scanf("%lld",&a[i]);
        a[i]-=i;
    }
    sort(a+1,a+n+1);
    long long int sum=a[n/2+1];
    for(long long int i=1; i<=n; i++)
        sum+=abs(a[i]-sum);
    printf("%lld\n",sum);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:19: error: redeclaration of 'long long int sum'
   14 |     long long int sum=a[n/2+1];
      |                   ^~~
a.cc:6:21: note: 'long long int sum' previously declared here
    6 |     long long int n,sum=0;
      |                     ^~~
Language: C++

#include <iostream>
#include <vector>

using namespace std;

typedef long long ll;

int N, A[200005];
int main() {
	scanf("%d", &N);
	for (int i = 1; i <= N; i++) {
		scanf("%d", &A[i]);
		A[i] -= i;
	}
	sort(A + 1, A + N + 1);
	ll res = 0;
	for (int i = 1; i <= N; i++) {
		res += abs(A[i] - A[(N + 1) / 2]);
	}
	printf("%lld\n", res);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   15 |         sort(A + 1, A + N + 1);
      |         ^~~~
      |         short
Language: C++

#include <iostream>
#include <set>
#include <vector>
#include <string>
#include <algorithm>
#include <iterator>
#include <list>

using namespace std;

#define rep(i, n) for(int i = 0; i < n; i++)
#define repi(i, n) for(auto i = (n).begin(); i != (n).end(); i++)
#define in_arr(type, a, n) copy_n(istream_iterator<type>(cin), n, (a).begin());
#define ll long long int

int main(){
    int n;
    cin >> n;
    vector<int> a(n);
    in_arr(int, a, n);
    rep(i, n){
        a[i] -= i + 1;
    }
    sort(a.begin(), a.end());
    int mid = a[n / 2];
    ll ans = LLONG_MAX;
    if(n < 1000){
        for(int i = mid - n; i < mid + n; i++){
            ll sum = 0;
            rep(j, n){
                sum += abs(a[j] - i);
            }
            ans = min(ans, sum);
        }
    }else{
        for(int i = mid - n / 100; i < mid + n / 100; i++){
            ll sum = 0;
            rep(j, n){
                sum += abs(a[j] - i);
            }
            ans = min(ans, sum);
        }
    }
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:14: error: 'LLONG_MAX' was not declared in this scope
   26 |     ll ans = LLONG_MAX;
      |              ^~~~~~~~~
a.cc:8:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    7 | #include <list>
  +++ |+#include <climits>
    8 |
Language: C++

#include "bits\stdc++.h"
using namespace std;
typedef long long ll;
ll A[200000];
int main() {
	int N;
	cin >> N;
	if (N == 1) {
		cout << 0 << endl;
		return 0;
	}
	for (int i = 0; i < N; i++) {
		cin >> A[i];
		A[i] -= (i + 1);
	}
	sort(A, A + N);
	ll ans = 1LL << 60;
	for (int i = 0; i <= 1; i++) {
		ll sum = 0;
		for (int j = 0; j < N; j++) {
			sum += abs(A[j] - A[N / 2 + i]);
		}
		ans = min(ans, sum);
	}
	cout << ans << endl;
}

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

#include<bits/stdc++.h>
using namespace std;
const int maxn=200005;
ll n,d,k;
ll a[maxn];
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        a[i]-=i;
    }
    sort(a+1,a+n+1);
    ll b=0;
    if(n%2==0)
    b=(a[n/2]+a[n/2+1])/2;
    else
    b=a[n/2+1];
    ll ans=0;
    for(int i=1;i<=n;i++)
    {
        ans=ans+abs(b-a[i]);
    }
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc:4:1: error: 'll' does not name a type
    4 | ll n,d,k;
      | ^~
a.cc:5:1: error: 'll' does not name a type
    5 | ll a[maxn];
      | ^~
a.cc: In function 'int main()':
a.cc:8:10: error: 'n' was not declared in this scope; did you mean 'yn'?
    8 |     cin>>n;
      |          ^
      |          yn
a.cc:11:14: error: 'a' was not declared in this scope
   11 |         cin>>a[i];
      |              ^
a.cc:14:10: error: 'a' was not declared in this scope
   14 |     sort(a+1,a+n+1);
      |          ^
a.cc:15:5: error: 'll' was not declared in this scope
   15 |     ll b=0;
      |     ^~
a.cc:17:5: error: 'b' was not declared in this scope
   17 |     b=(a[n/2]+a[n/2+1])/2;
      |     ^
a.cc:19:5: error: 'b' was not declared in this scope
   19 |     b=a[n/2+1];
      |     ^
a.cc:20:7: error: expected ';' before 'ans'
   20 |     ll ans=0;
      |       ^~~~
      |       ;
a.cc:23:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |         ans=ans+abs(b-a[i]);
      |         ^~~
      |         abs
a.cc:23:21: error: 'b' was not declared in this scope
   23 |         ans=ans+abs(b-a[i]);
      |                     ^
a.cc:25:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   25 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C++

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

const int MAX = 200000;

int main() {
	int N;
	static int A[MAX];
	cin >> N;
	for (int i = 0;i < N;i ++) {
		cin >> A[i];
		A[i] -= i + 1;
	}
	sort(A, A+N);
	
	int64_t ans = 0;
	for (int i = 0;i < N;i ++) ans += abs(A[i] - A[N >> 1]);
	cout << ans;
	return 0;
}
/*
31536000のコメント解説欄
ここテンプレで用意してるから、A問題とかだとこの先空欄の危険あり

まず、B_i = A_i-iについて考えてみる(iは定数なので)
この時、bを動かした時を考えると、悲しさはB_i<=bの個数だけ増えてb<B_iの個数だけ減る
ということはソートして中央値でおｋ
*/

Compiler output:
a.cc:2:9: fatal error: stdint: No such file or directory
    2 | #include<stdint>
      |         ^~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
#include<cmath>
using namespace std;
const int M=10e5,MN=INT_MAX/2;
int a[2*M],ans;
int  n;
int judge(int k)
{
	int sum_l=0,sum_m=0,sum_r=0;
	for(int i=1;i<=n;++i)
	{
		sum_l+=abs(k-1-a[i]);
		sum_m+=abs(k-a[i]);
		sum_r+=abs(k+1-a[i]);
	}
	if(ans>sum_m)ans=sum_m;
	if(sum_l<sum_m)return 1;
	else if(sum_r<sum_m) return 2;
	else return 0;
}
int main()
{
	int minn,maxx;
	while(cin>>n)
	{
		ans=minn=MN;
		maxx=-MN;
		for(int i=1;i<=n;++i)
		{
			scanf("%d",&a[i]),a[i]-=i;
			minn=min(minn,a[i]);
			maxx=max(maxx,a[i]);
		}
		int l,r,mid,flag;
		l=minn;
		r=maxx;
		while(l<=r)
		{
			mid=(l+r)/2;
		    flag=judge(mid);
		    if(mid>=0)
		    {
		    	 if(flag==0)break;
		         else if(flag==1) r=mid;
		         else l=mid+1;
			}
			else if(mid<0)
			{
				 if(flag==0)break;
		         else if(flag==1) r=mid-1;
		         else l=mid;
			}
		    if(l==r&&mid==r)break;
		}
		cout<<ans<<endl;
	}
}

Compiler output:
a.cc:7:21: error: 'INT_MAX' was not declared in this scope
    7 | const int M=10e5,MN=INT_MAX/2;
      |                     ^~~~~~~
a.cc:6:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    5 | #include<cmath>
  +++ |+#include <climits>
    6 | using namespace std;
Language: C++

#include<bits/stdc++.h>
#define MOD 1000000007
#define F first
#define S second

typedef long long ll;
using namespace std;

int n, a[100010], mean;
ll sum;
int main()
{
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
        a[i] -= i;
    }
    sort(a, a + n);
    for (int i = 0; i < n; ++i)
        sum += abs(a[n / 2] - a[i]);
    cout << sum;
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:23:14: error: expected '}' at end of input
   23 |     return 0;
      |              ^
a.cc:12:1: note: to match this '{'
   12 | {
      | ^
Language: C++

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

int main(){
    int n;
    cin >> n;
    vector<int> v(n);
    for(auto& x : v) cin >> x;
    const auto v0 = v;

    for(int i = 0; i < n; ++i) v[i] -= i + 1;

    nth_element(begin(v), begin(v) + n/2, end(v));

    const int x = v[n/2];

    long long ret = 0;

    for(int i =0; i < n; ++i) ret += abs(v0[i] - x - i - 1);

    cout << ret << endl; }


Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'nth_element' was not declared in this scope
   14 |     nth_element(begin(v), begin(v) + n/2, end(v));
      |     ^~~~~~~~~~~
Language: C++

#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<queue>
#include<stack>
#include<vector>
#include<set>
using namespace std;
int n,maxn,minn=1e9+5,a[200005],ans,k;
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
		a[i]-=i;
	}
	sort(a+1,a+1+n);k=a[n/2+1];
	for(int i=1;i<=n;i++){
		ans+=(abs)a[i]-k;
	}
	return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:19:26: error: overloaded function with no contextual type information
   19 |                 ans+=(abs)a[i]-k;
      |                          ^
Language: C++

#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<queue>
#include<stack>
#include<vector>
#include<set>
using namespace std;
int n,a[200005],ans,k;
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
		a[i]-=i;
	}
	sort(a+1,a+1+n);k=a[n/2+1];
	for(int i=1;i<=n;i++){
		ans+=(abs)a[i]-k;
	}
        printf("%d",ans);
	return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:19:26: error: overloaded function with no contextual type information
   19 |                 ans+=(abs)a[i]-k;
      |                          ^
Language: C++

#include<cstdio>
#include<algorithm>
#include<cmath>
#define ll long long
using namespace std;
const int N=200005;

int a[N],n,num;
ll ans=0;

int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++) {
		scanf("%d",a+i);
		a[i]-=i;
	}
	sort(a+1,a+n+1);
	num=a[(n+1)>>1];
	for(int i=1;i<=n;i++) 
		ans+=(ll)abs(num-a[i]);
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:9: error: 'cout' was not declared in this scope
   21 |         cout<<ans<<endl;
      |         ^~~~
a.cc:4:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    3 | #include<cmath>
  +++ |+#include <iostream>
    4 | #define ll long long
a.cc:21:20: error: 'endl' was not declared in this scope
   21 |         cout<<ans<<endl;
      |                    ^~~~
a.cc:4:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    3 | #include<cmath>
  +++ |+#include <ostream>
    4 | #define ll long long
Language: C++

#include<cstdio>
#include<alogrithm>
#define ll long long
using namespace std;
const int N=200005;

int a[N],n,num;
ll ans=0;

int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++) {
		scanf("%d",a+i);
		a[i]-=i;
	}
	sort(a+1,a+n+1);
	num=a[(n+1)>>1];
	for(int i=1;i<=n;i++) 
		ans+=(ll)abs(num-a[i]);
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc:2:9: fatal error: alogrithm: No such file or directory
    2 | #include<alogrithm>
      |         ^~~~~~~~~~~
compilation terminated.
Language: Java


import java.io.*;
import java.util.*;

public class Uva {
    public static long sad(long arr[],int b){
        long total = 0;
        for(int i=0;i<arr.length;i++){
            total += Math.abs(arr[i]-(b+i+1));
        }
        return total;
    }
    
    public static void main(String arg[])throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(br.readLine());
        StringTokenizer st = new StringTokenizer(br.readLine());
        long arr[] = new long[N];
        for(int i=0;i<N;i++){
            arr[i] = Long.parseLong(st.nextToken());
        }
        
        int low = -2*N;
        int high = 2*N;
        long min = Long.MAX_VALUE;
        long index = -1;
        
//        for(int i=-1*N;i<N;i++){
//            System.out.println(sad(arr,i));
//        }
        
        while(low<=high){
            int mid = (low+high)/2;
            long sad = sad(arr,mid);
            long left=0;
            long right=0;
            
            if(mid-1>=low){
                left = sad(arr,mid-1);
            }
            if(mid+1<=high){
                right = sad(arr,mid-1);
            }
            if(min>sad){
                min = Math.min(sad,min);
                index = mid;
            }
            if(mid-1<low&&mid+1>high){
                break;
            }else if(mid-1<low&&right>sad){
                break;
            }else if(mid+1>high&&left>sad){
                break;
            }else if(left<sad){
                high = mid-1;
            }else{
                low = mid+1;
            }
        }
        System.out.println(min);
    }
}


Compiler output:
Main.java:5: error: class Uva is public, should be declared in a file named Uva.java
public class Uva {
       ^
1 error
Language: C++

#include <iostream>
#include <stdio.h>
#include <string.h>
#include <algorithm>
using namespace std;
const int maxn = 1e5+55;

int a[maxn];

int main()
{
	int n;
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
		a[i]-=i;
	}
	sort(a+1,a+1+n);
	int to=a[n/2];
	LL ans=0;
	for(int i=1;i<=n;i++){
		ans+=1LL*abs(a[i]-to);
	}
	printf("%d\n",ans);

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:9: error: 'LL' was not declared in this scope
   20 |         LL ans=0;
      |         ^~
a.cc:22:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |                 ans+=1LL*abs(a[i]-to);
      |                 ^~~
      |                 abs
a.cc:24:23: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |         printf("%d\n",ans);
      |                       ^~~
      |                       abs
Language: C++

#include <iostream>

#include <vector>

int abs(int x){


Compiler output:
a.cc: In function 'int abs(int)':
a.cc:5:16: error: expected '}' at end of input
    5 | int abs(int x){
      |               ~^
a.cc:5:16: warning: no return statement in function returning non-void [-Wreturn-type]
Language: C++

#include <algorithm>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <vector>

using namespace std;
constexpr long long int INF = LLONG_MAX;
#define int long long int

void solve() {
  // int x;
  // cout << endl;
}

signed main() {
  int n;
  cin >> n;
  int res = 0;
  vector<int> a(n);
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    a[i] -= i;
  }
  sort(a.begin(), a.end());
  // cout << a[a.size() / 2] << endl;
  int b = a[a.size() / 2];
  res = 0;
  // for (auto x : a) {
  //   cout << x << " ";
  //   res += abs(x - b);
  // }
  // cout << endl;
  cout << res << endl;
}


Compiler output:
a.cc:10:31: error: 'LLONG_MAX' was not declared in this scope
   10 | constexpr long long int INF = LLONG_MAX;
      |                               ^~~~~~~~~
a.cc:7:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    6 | #include <set>
  +++ |+#include <climits>
    7 | #include <vector>
Language: C++

#include <iostream>
#include <vector>
using namespace std;
using VI = vector<long>;

int main() {
    int n;
    cin >> n;
    VI as;
    for (int i = 0; i < n; i++) {
        long a;
        cin >> a;
        as.push_back(a - (i + 1));
    }
    
    sort(as.begin(), as.end());
    long mid;
    if (n % 2 == 0) {
        mid = (as[n / 2] + as[n / 2 + 1]) / 2;
    } else {
        mid = as[n / 2];
    }
    long ans = 0;
    for (auto a: as) {
        ans += abs(mid - a);
    }
    
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   16 |     sort(as.begin(), as.end());
      |     ^~~~
      |     short
Language: Java

import java.util.Scanner;
import java.util.Arrays;

public class Main {
	
	public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		
		long a[] = new long[n];
		long b[] = new long[n];
		long sum = 0;

		for(int i=0;i<n;i++){
			a[i] = sc.nextLong();
			b[i] = a[i] - i - 1;
			sum += a[i];
		}

		Arrays.sort(b);

		long up = b[(int)Math.floor((double)b.length/2)];

		long score = 0;
		for(int i=0;i<n;i++){
			score += Math.abs(a[i] - up - i - 1);
		}

		if(b.length != 1){
			long score2 = 0;
			long down = b[(int)Math.ceil((double)b.length/2)];
			for(int i=0;i<n;i++){
			score2 += Math.abs(a[i] - down - i - 1);
			System.out.println(Math.min(score,score2));
		}else{
			System.out.println(score);
		}


		}
		
	}
 
}

Compiler output:
Main.java:35: error: 'else' without 'if'
		}else{
		 ^
1 error
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
using namespace std;
#define ll long long
#define FOR(a,b,c) for(int a=b;a<=c;a++)
#define FORD(a,b,c) for(int a=b;a>=c;a--)
#define in(a) a=read()
#define out(a) printf("%lld\n",a)
ll read(){
    ll f=1,x=0;char c=getchar();
    while(c>'9'||c<'0'){if(c=='-')f=-1;c=getchar();}
    while(c>='0'&&c<='9')x=x*10+c-'0',c=getchar();
    return x*f;
}
#define maxn 200010
ll a[maxn];
int main(){
	int n;
	in(n);
	FOR(i,1,n){
		in(a[i]);
		a[i]-=i;
	}
	sort(a+1,a+n+1);
	ll b=a[(n+1)/2];
	ll ans=0;
	FOR(i,1,n)ans+=labs(a[i]-b);
	out(ans);
}
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
using namespace std;
#define ll long long
#define FOR(a,b,c) for(int a=b;a<=c;a++)
#define FORD(a,b,c) for(int a=b;a>=c;a--)
#define in(a) a=read()
#define out(a) printf("%lld\n",a)
ll read(){
    ll f=1,x=0;char c=getchar();
    while(c>'9'||c<'0'){if(c=='-')f=-1;c=getchar();}
    while(c>='0'&&c<='9')x=x*10+c-'0',c=getchar();
    return x*f;
}
#define maxn 200010
ll a[maxn];
int main(){
	int n;
	in(n);
	FOR(i,1,n){
		in(a[i]);
		a[i]-=i;
	}
	sort(a+1,a+n+1);
	ll b=a[(n+1)/2];
	ll ans=0;
	FOR(i,1,n)ans+=labs(a[i]-b);
	out(ans);
}


Compiler output:
a.cc:44:4: error: redefinition of 'long long int read()'
   44 | ll read(){
      |    ^~~~
a.cc:12:4: note: 'long long int read()' previously defined here
   12 | ll read(){
      |    ^~~~
a.cc:51:4: error: redefinition of 'long long int a [200010]'
   51 | ll a[maxn];
      |    ^
a.cc:19:4: note: 'long long int a [200010]' previously declared here
   19 | ll a[maxn];
      |    ^
a.cc:52:5: error: redefinition of 'int main()'
   52 | int main(){
      |     ^~~~
a.cc:20:5: note: 'int main()' previously defined here
   20 | int main(){
      |     ^~~~
Language: C++

#include <iostream> #include <algorithm> #include <vector> using namespace std; int main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i < n; i++) { cin >> a[i]; a[i] -= i + 1; } sort(a.begin(), a.end()); long long ans = 0; for (int i = 0; i < n; i++) { ans += abs(a[i] - a[n / 2]); } cout << ans << endl; } 


Compiler output:
a.cc:1:21: warning: extra tokens at end of #include directive
    1 | #include <iostream> #include <algorithm> #include <vector> using namespace std; int main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i < n; i++) { cin >> a[i]; a[i] -= i + 1; } sort(a.begin(), a.end()); long long ans = 0; for (int i = 0; i < n; i++) { ans += abs(a[i] - a[n / 2]); } cout << ans << endl; }
      |                     ^
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pi acos(-1.0)
#define LL long long
#define mp make_pair
#define pb push_back
#define ls rt<<1, l, m
#define rs rt<<1|1, m+1, r
#define ULL unsigned LL
#define pll pair<LL, LL>
#define pii pair<int, int>
#define piii pair<int,pii>
#define mem(a, b) memset(a, b, sizeof(a))
#define fio ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define fopen freopen("in.txt", "r", stdin);freopen("out.txt", "w", stout);
//head

const int N = 2e5 + 5;
const LL INF = 0x3f3f3f3f3f3f3f3f;
int a[N], n;
LL check(int m) {
    LL ans = 0;
    for (int i = 1; i <= n; i++) {
        ans += abs(a[i] - (m+i));
    }
    return ans;
}
int main() {
    scanf("%d", &n);
    for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
    int l = -2*, r = 1e9 + 2*n, m1 = (l+l+r)/3, m2 = (l+r+r)/3;
    while(l < r - 2) {
        if(check(m2) > check(m1)) r = m2;
        else l = m1;
        m1 = (l+l+r)/3;
        m2 = (l+r+r)/3;

    }
    LL ans = INF;
    for (int i = l; i <= r; i++) ans = min(ans, check(i));
    printf("%lld\n", ans);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:16: error: expected primary-expression before ',' token
   33 |     int l = -2*, r = 1e9 + 2*n, m1 = (l+l+r)/3, m2 = (l+r+r)/3;
      |                ^
a.cc:34:15: error: 'r' was not declared in this scope
   34 |     while(l < r - 2) {
      |               ^
a.cc:35:18: error: 'm2' was not declared in this scope; did you mean 'mp'?
   35 |         if(check(m2) > check(m1)) r = m2;
      |                  ^~
      |                  mp
a.cc:35:30: error: 'm1' was not declared in this scope; did you mean 'y1'?
   35 |         if(check(m2) > check(m1)) r = m2;
      |                              ^~
      |                              y1
a.cc:37:9: error: 'm1' was not declared in this scope; did you mean 'y1'?
   37 |         m1 = (l+l+r)/3;
      |         ^~
      |         y1
a.cc:38:9: error: 'm2' was not declared in this scope; did you mean 'mp'?
   38 |         m2 = (l+r+r)/3;
      |         ^~
      |         mp
a.cc:42:26: error: 'r' was not declared in this scope
   42 |     for (int i = l; i <= r; i++) ans = min(ans, check(i));
      |                          ^
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = Integer.parseInt(sc.next());
		if (n == 1) {
			System.out.println(0);
			return;
		}
		long[] a = new long[n];
		long[] b = new long[n];
		for (int i = 0; i < n; i++) {
			a[i] = Long.parseLong(sc.next());
			b[i]=a[i];
		}
		Arrays.sort(b);
		long a1 = 0, a2 = Long.MAX_VALUE;
		for(int c = (int)b[n / 2 - 1] - 100; i < (int)b[n / 2] + 100; i++) {
			a1 = 0;
			for (int i = 0; i < n; i++) {
				a1 += Math.abs(a[i] - (c - n / 2 + i));
			}
			a2 = Math.min(a2, a1);
		}
		System.out.println(a2);
	}
}


Compiler output:
Main.java:18: error: cannot find symbol
		for(int c = (int)b[n / 2 - 1] - 100; i < (int)b[n / 2] + 100; i++) {
		                                     ^
  symbol:   variable i
  location: class Main
Main.java:18: error: cannot find symbol
		for(int c = (int)b[n / 2 - 1] - 100; i < (int)b[n / 2] + 100; i++) {
		                                                              ^
  symbol:   variable i
  location: class Main
2 errors