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

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

using namespace std;

int main()
{
	const int sec = 1900;
	int N, M;
	double ans = 0;
	cin >> N >> M;

	double p = 1.0;
	const double p_ac = 1.0 / (pow(2, -M));
	int time = sec * M + 100 * (N - M);
	while (time * (p * p_ac) > pow(10, -9))
	{
		ans += time * (p * p_ac);
		time += sec * M + 100 * (N - M);
		
		p *= 1.0 - p_ac;
		
	}
	cout << ans << endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:36: error: 'pow' was not declared in this scope
   16 |         const double p_ac = 1.0 / (pow(2, -M));
      |                                    ^~~
Language: C++


#include <iostream>

int main()
{
	int allCaseCount, difficultCaseCount;
	std::cin >> allCaseCount >> difficultCaseCount;

	std::cout << 1900 * pow(2, difficultCaseCount) + (allCaseCount - difficultCaseCount) * 100;
	

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:29: error: 'pow' was not declared in this scope
    9 |         std::cout << 1900 * pow(2, difficultCaseCount) + (allCaseCount - difficultCaseCount) * 100;
      |                             ^~~
Language: C++

#include<iostream>
#include<string>
#include<algorithm>
#include<cmath>
#include<math.h>
#include<iomanip>
#include<stdio.h>
using namespace std;

int main(){

  int n, m
  long long ans;
  cin >> n >> m;

  ans = 1900*m*pow(2, m) + 100*(n-m)*pow(2, m);

  cout << ans << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: expected initializer before 'long'
   13 |   long long ans;
      |   ^~~~
a.cc:14:15: error: 'm' was not declared in this scope
   14 |   cin >> n >> m;
      |               ^
a.cc:16:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |   ans = 1900*m*pow(2, m) + 100*(n-m)*pow(2, m);
      |   ^~~
      |   abs
Language: C++

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

int main(void)
{
	int M, N;
	cin >> M >> N;
	double rate = pow(2, N);
	int result = (100 * (M - N) + 1900 * N)*(int)rate;
	cout << result << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:23: error: 'pow' was not declared in this scope
    9 |         double rate = pow(2, N);
      |                       ^~~
Language: C++

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

int main(void)
{
	int M, N;
	cin >> M >> N;
	int rate = (int)std::pow(2, N);
	int result = (100 * (M - N) + 1900 * N)*rate;
	cout << result << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:30: error: 'pow' is not a member of 'std'
    9 |         int rate = (int)std::pow(2, N);
      |                              ^~~
Language: C++

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

int main(void)
{
	int M, N;
	cin >> M >> N;
	int rate = (int)pow(2, N);
	int result = (100 * (M - N) + 1900 * N)*rate;
	cout << result << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:25: error: 'pow' was not declared in this scope
    9 |         int rate = (int)pow(2, N);
      |                         ^~~
Language: C++

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

int main(){
  int n; cin >> n;
  vector<int> a(n);
  int z, w; cin >> z >> w;
  for(int i = 0; i < n; i++){
    cin >> a[i];
  }
  if(n == 1) cout << abs(a[0] - w) << endl;
  else cout << max(abs(a[n - 1] - w), abs(a[n - 1] - a[n - 2])) << endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:12:73: error: expected '}' at end of input
   12 |   else cout << max(abs(a[n - 1] - w), abs(a[n - 1] - a[n - 2])) << endl;
      |                                                                         ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
  int n; cin >> n;
  vector<int> a(n);
  int x, z, w; cin >> n >> z >> w;
  for(int i = 0; i < n; i++){
    cin >> a[i];
  }
  if(n == 1) cout << abs(a[0] - w) << endl;
  else cout << max(abs(a[n - 1] - w), abs(a[n - 1] - a[n - 2])) << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:12:73: error: expected '}' at end of input
   12 |   else cout << max(abs(a[n - 1] - w), abs(a[n - 1] - a[n - 2])) << endl;
      |                                                                         ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define rep1(i,n) for(int i=1;i<=(int)n;i++)
#define sp(n) cout << fixed << setprecision(n)
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
typedef long long ll;
using namespace std;
int main(void){
    ll n,z,w;cin>>n>>z>>w;
    if(n==1){
        ll res=abs(a[0]-w);
        cout<<res<<endl;
    }
    n++;
    vector<ll> a(n);
    a[0]=z;
    rep(i,n-1) cin>>a[i+1];
    ll buf1=abs(a[n-1]-a[n-2]),buf2=abs(a[n-1]-w);
    ll res=max(buf1,buf2);
    cout<<res<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'a' was not declared in this scope
   12 |         ll res=abs(a[0]-w);
      |                    ^
Language: C++


#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <math.h>
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <stack>
#include <queue>

typedef unsigned long long ULLONG;
typedef long long LLONG;
static const LLONG MOD_NUM = 1000000007;

template<class _T> static void getval(_T& a) {
	std::cin >> a;
}
template<class _T> static void getval(_T& a, _T& b) {
	std::cin >> a >> b;
}
template<class _T> static void getval(_T& a, _T& b, _T& c) {
	std::cin >> a >> b >> c;
}
template <class _T> static _T tp_abs(_T a) {
	if (a < (_T)0) {
		a *= (_T)-1;
	}
	return a;
}

static void exec();

int main()
{
	exec();
	fflush(stdout);
	return 0;
}

static void exec()
{
	int N;
	getval(N);

	LLONG Z, W;
	getval(Z, W);

	LLONG last2Val = 0; lastVal = 0;
	LLONG ai = 0;
	for (int i = 0; i < N; i++) {
		getval(ai);
		if (i == N - 2) {
			last2Val = ai;
		}
	}
	lastVal = ai;


	LLONG ans = 0;
	LLONG x, y;
	
	x = lastVal;
	y = W;
	ans = tp_abs(x - y);
	if (N == 1) {
		printf("%lld\n", ans);
	}

	x = lastVal;
	y = last2Val;
	ans = std::max(ans, tp_abs(x - y));

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


Compiler output:
a.cc: In function 'void exec()':
a.cc:52:29: error: 'lastVal' was not declared in this scope; did you mean 'last2Val'?
   52 |         LLONG last2Val = 0; lastVal = 0;
      |                             ^~~~~~~
      |                             last2Val
Language: C++

#include<cstdio>
#include<cmath>
#include<algorithm>
int main(void){
  int n,z,w;
  scanf("%d %d %d",&n,&z,&w);
  int a[n];
  for(int i=0;i<n;i++){
    scanf("%d",a+i);
  }
  int ans=0;
  if(n==1){
    ans=abs(a[n-1]-w);
  }else{
    ans=max(abs(a[n-1]-w),abs(a[n-2]-a[n-1]));
  }
  printf("%d\n",ans);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'max' was not declared in this scope; did you mean 'std::max'?
   15 |     ans=max(abs(a[n-1]-w),abs(a[n-2]-a[n-1]));
      |         ^~~
      |         std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:3:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
Language: C++

#pragma comment(linker, "/stack:20000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")

#include <stdio.h>
#include <bits/stdc++.h>

using namespace std;

#include <x86intrin.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template <typename T> using ordered_set = tree<T, null_type, std::less<T>, rb_tree_tag, tree_order_statistics_node_update>;

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

#define mp make_pair
#define in insert
#define er erase
#define con continue
#define pb push_back
#define sc scanf
#define pr printf
#define ub upper_bound
#define lb lower_bound
#define s second
#define f first
#define int long long

const long long infl = 1e18; 
const int N = 3e5 + 300, N2 = 2e3, inf = 1e9 + 200;

set <int> S;
vector <int> g;
int n, m, k;
int a[N];
string ss;

main (){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> x >> y;
	for (int i = 1; i <= n; i++){
		cin >> a[i];
	}
	cout << max(abs(y - a[n]), abs(a[n - 1] - a[n]));
	return 0;
}












Compiler output:
a.cc:39:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   39 | main (){
      | ^~~~
a.cc: In function 'int main()':
a.cc:41:21: error: 'x' was not declared in this scope
   41 |         cin >> n >> x >> y;
      |                     ^
a.cc:41:26: error: 'y' was not declared in this scope; did you mean 'yn'?
   41 |         cin >> n >> x >> y;
      |                          ^
      |                          yn
Language: C++

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

using ll = long long;

#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rrep(i, n) for (int i = 1; i <= (n); ++i)
#define drep(i, n) for (int i = (n)-1; i >= 0; --i)
#define ddrep(i, n) for (int i = n; i > 0; --i)
#define srep(i, s, t) for (int i = s; i < t; ++i)
#define ssrep(i, s, t) for (int i = s; i <= t; ++i)

#define rng(a) a.begin(), a.end()
#define pb push_back
#define eb emplace_back
#define fi first
#define se second

#define chmax(x, y) (x = max(x, y))
#define chmin(x, y) (x = min(x, y))

using pi = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using ld = long double;

template <class T, class U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
  os << "(" << p.first << "," << p.second << ")";
  return os;
}

template <class T> ostream &operator<<(ostream &os, const vector<T> &v) {
  os << "{";
  rep(i, (int)v.size()) {
    if (i)
      os << ",";
    os << v[i];
  }
  os << "}";
  return os;
}

template <typename T, size_t S> void printArray(const T (&array)[S]) {
  for (auto val : array)
    std::cout << val << ", ";
  std::cout << "\n";
}

const int mod = 1e9 + 7;
const int inf = 1e9 + 5;

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << std::setprecision(10);

  int n, z, y; std::cin >> n >> z >> y;
  vi a(n); rep(i, n) cin >> a[i];
  int ans = abs(a[n-1]-y);
  if (n > 1) chmax(ans, abs(a[n-1]-a[n-2]));
  cout << ans << endl;
 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:66:2: error: expected primary-expression before '<<' token
   66 |  << endl;
      |  ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,z,w,pok[2001];
    scanf("%d%d%d",&n,&z,&w);
    for(int i=0;i<n;i++)scanf("%d",&pok[i]);
    if(n==1)printf("%d\n",abs(pok[n-1]-w));elseprintf("%d\n",max(abs(pok[n-1]-pok[n-2]),abs(pok[n-1]-w)));
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:44: error: 'elseprintf' was not declared in this scope; did you mean 'vswprintf'?
    7 |     if(n==1)printf("%d\n",abs(pok[n-1]-w));elseprintf("%d\n",max(abs(pok[n-1]-pok[n-2]),abs(pok[n-1]-w)));
      |                                            ^~~~~~~~~~
      |                                            vswprintf
Language: C++

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

int main()
{
  long long n,z,w;
  
  cin>>n>>z>>w;
  
  long long arr[n];
  
  for(long long i=0;i<n;i++)cin>>arr[i];
  long long a,b;
  if(n==1)
    cout<<abs(a[0]-w)<<endl;
  else
  {
   	a=abs(a[n-1]-w);
    b=abs(a[n-2]-a[n-1]);
    if(a>b)cout<<a<<endl;
    else cout<<b<<endl;
  }
  
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: invalid types 'long long int[int]' for array subscript
   15 |     cout<<abs(a[0]-w)<<endl;
      |                ^
a.cc:18:16: error: invalid types 'long long int[long long int]' for array subscript
   18 |         a=abs(a[n-1]-w);
      |                ^
a.cc:19:12: error: invalid types 'long long int[long long int]' for array subscript
   19 |     b=abs(a[n-2]-a[n-1]);
      |            ^
a.cc:19:19: error: invalid types 'long long int[long long int]' for array subscript
   19 |     b=abs(a[n-2]-a[n-1]);
      |                   ^
Language: C++

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

int main()
{
  int n,z,w;
  
  cin>>n>>z>>w;
  
  long long arr[n];
  
  for(int i=0;i<n;i++)cin>>arr[i];
  long long a,b;
  if(n==1)
    cout<<abs(a[0]-w)<<endl;
  else
  {
   	a=abs(a[n-1]-w);
    b=abs(a[n-2]-a[n-1]);
    if(a>b)cout<<a<<endl;
    else cout<<b<<endl;
  }
  
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: invalid types 'long long int[int]' for array subscript
   15 |     cout<<abs(a[0]-w)<<endl;
      |                ^
a.cc:18:16: error: invalid types 'long long int[int]' for array subscript
   18 |         a=abs(a[n-1]-w);
      |                ^
a.cc:19:12: error: invalid types 'long long int[int]' for array subscript
   19 |     b=abs(a[n-2]-a[n-1]);
      |            ^
a.cc:19:19: error: invalid types 'long long int[int]' for array subscript
   19 |     b=abs(a[n-2]-a[n-1]);
      |                   ^
Language: C++

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

int main()
{
  int n,z,w;
  
  cin>>n>>z>>w;
  
  long long arr[n];
  
  for(int i=0;i<n;i++)cin>>arr[i];
  
  if(n==1)
    cout<<abs(a1-w)<<endl;
  else
  {
   	a=abs(a[n-1]-w);
    b=abs(a[n-2]-a[n-1]);
    if(a>b)cout<<a<<endl;
    else cout<<b<<endl;
  }
  
  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:15: error: 'a1' was not declared in this scope; did you mean 'y1'?
   15 |     cout<<abs(a1-w)<<endl;
      |               ^~
      |               y1
a.cc:18:9: error: 'a' was not declared in this scope
   18 |         a=abs(a[n-1]-w);
      |         ^
a.cc:19:5: error: 'b' was not declared in this scope
   19 |     b=abs(a[n-2]-a[n-1]);
      |     ^
Language: C++

n,z,w = map(int,input().split())
a = list(map(int,input().split()))
xp = [0]*(n)
yp = [10000000000]*(n)
xp[0] = abs(a[n-1]-w)
for i in reversed(range(n)):
    for j in range(i+1,n):
        xp[i] = max(xp[i], yp[j])
        yp[i] = min(yp[i], xp[j])
    xp[i] = max(xp[i], abs(a[i-1]-a[n-1]))
    yp[i] = min(yp[i], abs(a[i-1]-a[n-1]))
print(xp[0])

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

#include <bits/stdc++.h>
using namespace std;
ll a[2200];
int main(){
  long n,z,w,i;
  cin>>n>>z>>w;
  for(i=0;i<n;i++)cin>>a[i];
  if(n==1)cout<<labs(a[n-1]-w);
  else cout<<max(labs(a[n-1]-a[n-2]),labs(a[n-1]-w));
}

Compiler output:
a.cc:3:1: error: 'll' does not name a type
    3 | ll a[2200];
      | ^~
a.cc: In function 'int main()':
a.cc:7:24: error: 'a' was not declared in this scope
    7 |   for(i=0;i<n;i++)cin>>a[i];
      |                        ^
a.cc:8:22: error: 'a' was not declared in this scope
    8 |   if(n==1)cout<<labs(a[n-1]-w);
      |                      ^
a.cc:9:23: error: 'a' was not declared in this scope
    9 |   else cout<<max(labs(a[n-1]-a[n-2]),labs(a[n-1]-w));
      |                       ^
Language: C++

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <queue>
#include <set>
#include <map>
using namespace std;
#define rep(i, n) for (int i = 0; i < n; i++)
const int mo = 1e9 + 7;
typedef long long ll;
ll n,a,b,ans;
ll c[100000];void solve(){ans = max(abs(c[n - 1] - b), abs(c[n - 2] - c[n - 1]));;}
main()
{
    cin.tie(0);
    ios::sync_with_stdio(0);
    cin>>n>>a>>b;
    rep(i,n)cin>>c[i];
    if(n==1)cout<<abs(a[0]-b)<<endl;
    else if(abs(c[n-2]-c[n-1])>abs(c[n-1]-b))cout<<abs(c[n-2]-c[n-1]);
    else cout<<abs(c[n-1]-b)<<endl;
    return 0;
}

Compiler output:
a.cc:14:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   14 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:20:24: error: invalid types 'll {aka long long int}[int]' for array subscript
   20 |     if(n==1)cout<<abs(a[0]-b)<<endl;
      |                        ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> Pii;
typedef pair<ll,ll> Pll;
#define rep(i,n) for (ll i=0;i<n;++i)
const ll MOD=1000000007;

int main(){
    int N;
    ll Z,W;
    cin >> N >> Z >> W;
    vector<ll> a(N);
    rep (i,N){
        cin >> a[i];
    }
    if (N>1){
        int ans=max(abs(a[N-1]-W),abs(a[N-1]-a[N-2]));
    }
    else {
        ans=abs(a[0]-W);
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   21 |         ans=abs(a[0]-W);
      |         ^~~
      |         abs
a.cc:23:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

#include <bits/stdc++.h>
#define SORT(x) sort((x).begin(),(x).end())
#define ALL(x) (x).begin(),(x).end()
#define rep(i, n) for(int i = 0; i < n; i++)
#define reps(i, m, n) for(int i = m; i < n; i++)
#define repr(i, m, n) for(int i = m; i >= n; i--)
template<class T>bool chmax(T &a,const T &b){if(a<b){ a=b; return 1;} return 0;}
template<class T>bool chmin(T &a,const T &b){if(b<a){ a=b; return 1;} return 0;}
#define y0 y3487465 //j0
#define y1 y1347829 //j1
#define INF 1000000007 //4000000000000000037
#define PI (acos(-1))
#define MOD 1000000007
using namespace std;
typedef long long ll;



void Main(){

  int N;
  cin>>N;

  int Z,W;
  int a[N];
  cin>>Z>>W;

  rep(i,N){
    cin>>a[i];
  }

  if(n==1) {cout<< abs(a[N-1]-W) <<"\n"; return;}

  cout<< max(abs(a[N-2]-a[N-1]),abs(a[N-1]-W))<<"\n";
}

//-----------------------------------
int main(){
  cin.tie(nullptr);
  ios_base::sync_with_stdio(false);
  cout << fixed << setprecision(15);
  Main();
}
//-----------------------------------


Compiler output:
a.cc: In function 'void Main()':
a.cc:32:6: error: 'n' was not declared in this scope
   32 |   if(n==1) {cout<< abs(a[N-1]-W) <<"\n"; return;}
      |      ^
Language: C++

#pragma once
#include "stdafx.h"
#include<math.h>
#include<iostream>
#include <algorithm>
#include <string>
#include<vector>
#include <array>
#include<tuple>
#include<queue>
#include<stack>
#include<iomanip>
#include<bitset>
//AtCoderC++.cpp

using namespace std;

vector<long long> comb = vector<long long>(100 * 100,-1);

long long combination(long long n, long long r) {
	if (n == 1 || n == 0)return 1;
	if (n == r)	return 1;
	else if (r == 0)return 1;
	else if (r == 1)return n;
	else if (comb[100 * (n - 1) + (r - 1)] != -1) return comb[100 * (n - 1) + (r - 1)];
	else {
		auto res = combination(n - 1, r - 1) + combination(n - 1, r);
		comb[100 * (n - 1) + (r - 1)] = res;
		return res;
	}
}


vector<int> cards;
int N;
using val_idx = std::pair<int, int>;

int duel(int x, int y, int next_index) {
	//残り1枚。確定
	if (next_index == N - 1)return y;
	//残り2枚。スコアは二択になる
	if (next_index == N - 2) return max(y, cards[N - 2]);
	//最小、最大のサーチ
	val_idx max_card = { cards[next_index],next_index }, min_card = { cards[next_index + 1], next_index + 1 };
	for (size_t i = next_index; i < N; i++) {
		if (max_card.first <= cards[i]) {
			max_card = { cards[i],i };
			//残り全部0のカード->総取り
			if (i == N - 1) return y;
			//maxより向こう側で最小のカードを探すためreset
			min_card = { cards[i + 1],i + 1 };
		}
		if (i != N - 1 && min_card.first >= cards[i])min_card = { cards[i],i };
	}
	//最大カードが最後の直前にある。
	if (min_card.second == -1)return max_card.first;
	//次のターンに持ち越し
	return duel(max_card.first, min_card.first, min_card.second + 1);
}

int main() {
	int  Z, W; cin >> N >> Z >> W;
	cards = vector<int>(N);
	int max_card = 0;
	for (size_t i = 0; i < N; i++) {
		cin >> cards[i];
		max_card = max(max_card, cards[i]);
	}
	//どちらかは最後のカードをとらねばならない。
	//このカードとの距離がスコアになる。
	int X = abs(Z - cards[N - 1]);
	int Y = abs(W - cards[N - 1]);
	for (size_t i = 0; i < N; i++) cards[i] = abs(cards[i] - cards[N - 1]);
	//PatternΩ -- Yが最大距離のカードを持っている。->総取りするべき
	if (Y >= max_card) { cout << Y << endl; return 0; }
	cout << duel(X, Y, 0) << endl;
}

Compiler output:
a.cc:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
a.cc:2:10: fatal error: stdafx.h: No such file or directory
    2 | #include "stdafx.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <algorithm>

using namespace std;
#define REP(i,n) for (int i=0;i<(n);++i)

int n,z,w;
int a[2000];

int main() {
    cin.tie(0); ios_base::sync_with_stdio(false);
    cin >> n >> z >> w;
    REP(i,n) cin >> a[i];
    ll ans1 = (n>1 ? abs(a[n-2] - a[n-1]) : 0); // last Y
    ll ans2 = abs(a[n-1] - w); // last X
    cout << max(ans1,ans2) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'll' was not declared in this scope
   14 |     ll ans1 = (n>1 ? abs(a[n-2] - a[n-1]) : 0); // last Y
      |     ^~
a.cc:15:7: error: expected ';' before 'ans2'
   15 |     ll ans2 = abs(a[n-1] - w); // last X
      |       ^~~~~
      |       ;
a.cc:16:17: error: 'ans1' was not declared in this scope
   16 |     cout << max(ans1,ans2) << endl;
      |                 ^~~~
a.cc:16:22: error: 'ans2' was not declared in this scope
   16 |     cout << max(ans1,ans2) << endl;
      |                      ^~~~
Language: C++

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

int main(){
  int N; cin >> N;
  long long Z,W; cin >> Z >> W;
  vector<long long> A(N);
  int ans;
  for(int i=0;i<N;i++)
    cin >> A[i];
  long long a,b;
  ans = abs W-A[N-1];
 
  if(N > 1){
  a = A[N-1]-W;
  b = A[N-2]-A[N-1];
  if (a < 0){
    a -= 2*a;
  }
  if (b < 0){
    b -= 2*b;
  }
    ans = max(a,b);
  
   }
  cout << ans << endl;
}
    
  
  
    

Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: cannot resolve overloaded function 'abs' based on conversion to type 'int'
   12 |   ans = abs W-A[N-1];
      |         ^~~
Language: C++

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

int main(){
  int N; cin >> N;
  long long Z,W; cin >> Z >> W;
  vector<long long> A(N);
  for(int i=0;i<N;i++)
    cin >> A[i];
  long long a,b;
  a = A[N-1]-W;
  b = A[N-2]-A[N-1];
  if (a =< 0){
    a -= 2*a;
  }
  if (b =< 0){
    b -= 2*b;
  }
  cout << max(a,b) << endl;
}
    
  
  
    

Compiler output:
a.cc: In function 'int main()':
a.cc:13:10: error: expected primary-expression before '<' token
   13 |   if (a =< 0){
      |          ^
a.cc:16:10: error: expected primary-expression before '<' token
   16 |   if (b =< 0){
      |          ^
Language: C++

#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = 1000000007;
typedef long double ld;
const ll INF = 1e+14;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
#define fr first
#define sc second

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int N, Z, W; cin >> N >> Z >> W;
  int a[2020]; rep(i, N) cin >> a[i];
  int x = abs(W - a[N - 1]);
  if(N >= 2) x = max(abs(a[N - 1] - a[N - 2]), x));
  cout << x << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:47:50: error: expected ';' before ')' token
   47 |   if(N >= 2) x = max(abs(a[N - 1] - a[N - 2]), x));
      |                                                  ^
      |                                                  ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for(int i = 0;i < n;i++)
#define REPR(i, n) for(int i = n;i >= 0;i--)
#define FOR(i, m, n) for(int i = m;i < n;i++)
typedef long long llong;
char moji[26]={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
char moji2[26]={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
char moji3[10]={'0','1','2','3','4','5','6','7','8','9'};
#define Sort(a) sort(a.begin(),a.end());
#define Reverse(a) reverse(a.begin(),a.end());
#define ld PRId64
#define n_max 2000
llong INF=2<<45

int main(){
    llong n,z,w;
    cin >> n >> z >> w ;
    llong card[n_max + 5];
    REP(i,n) scanf("%ld",&card[n-i]);

    if(n==1){
        cout << abs(w-card[1]) << endl;
        return 0;
    }

    llong x,y;
    llong x_min=INF;
    llong y_max =- INF;
    FOR(i,1,n){
        x=max( abs(card[1] - card[i+1]) , y_max);
        y=min( abs(card[i+1] - card[1]), x_min);
        y_max=max(y,y_max);
        x_min=min(x,x_min);
    }
    cout << max( abs(card[1]-w) , y_max) << endl;
}

Compiler output:
a.cc:14:12: warning: left shift count >= width of type [-Wshift-count-overflow]
   14 | llong INF=2<<45
      |           ~^~~~
a.cc:16:1: error: expected ',' or ';' before 'int'
   16 | int main(){
      | ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for(int i = 0;i < n;i++)
#define REPR(i, n) for(int i = n;i >= 0;i--)
#define FOR(i, m, n) for(int i = m;i < n;i++)
typedef int64_t llong;
char moji[26]={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
char moji2[26]={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
char moji3[10]={'0','1','2','3','4','5','6','7','8','9'};
#define Sort(a) sort(a.begin(),a.end());
#define Reverse(a) reverse(a.begin(),a.end());
#define ld PRId64
#define n_max 2000
llong INF=2<<45

int main(){
    llong n,z,w;
    cin >> n >> z >> w ;
    llong card[n_max + 5];
    REP(i,n) scanf("%ld",&card[n-i]);

    if(n==1){
        cout << abs(w-card[1]) << endl;
        return 0;
    }

    llong x,y;
    llong x_min=INF;
    llong y_max =- INF;
    FOR(i,1,n){
        x=max( abs(card[1] - card[i+1]) , y_max);
        y=min( abs(card[i+1] - card[1]), x_min);
        y_max=max(y,y_max);
        x_min=min(x,x_min);
    }
    cout << max( abs(card[1]-w) , y_max) << endl;
}

Compiler output:
a.cc:14:12: warning: left shift count >= width of type [-Wshift-count-overflow]
   14 | llong INF=2<<45
      |           ~^~~~
a.cc:16:1: error: expected ',' or ';' before 'int'
   16 | int main(){
      | ^~~
Language: C++

#include<cstdio>
#include<cmath>
#include<algorithm>
using namespace std;
int n,z,w,a[2000],dp[2][2010];

int calc(int x,int y,int num,int b,int ar,int bt){
  int ans;
  //printf("%d %d %d %d %d\n",x,y,num,ar,bt);
  if(num==n)
    return abs(x-y);
  if(b==0){
    ans=abs(a[n-1]-y);
    for(int i=n-1;i>=num;i--){
      ans=max(ans,calc(a[i],y,i+1,1,ans,bt));
      if(bt<=ans)
        return ans;
    }
  }
  else{
    ans=abs(a[n-1]-x);
    for(int i=n-1;i>=num;i--){
      ans=min(ans,calc(x,a[i],i+1,0,ar,ans));
      if(ans<=ar)
        return ans;
    }
  }
  return ans;
}
int main(){
  scanf("%d %d %d",&n,&z,&w);
  for(int i=0;i<n;i++)
    scanf("%d",&a[i]);
  dp[0][n-1]=dp[1][n-1]=a[n-1];
  printf("%d\n",abs(a[n-1]-a[n-2]),abs(z-a[n-1])));
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:35:50: error: expected ';' before ')' token
   35 |   printf("%d\n",abs(a[n-1]-a[n-2]),abs(z-a[n-1])));
      |                                                  ^
      |                                                  ;
Language: C++

#include<bits/stdc++.h>
 
int main(){
  int n, a, b, c;
  scanf("%d%d%d", &n, &a, &b);
  for(int i = 0; i < n-1; i++) scanf("%d", &a);
  scanf("%d", &c);
  printf("%d\n", max(abs(a-c), abs(b-c)));
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: 'max' was not declared in this scope; did you mean 'std::max'?
    8 |   printf("%d\n", max(abs(a-c), abs(b-c)));
      |                  ^~~
      |                  std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
    long n,z,w;
    cin>>n>>z>>w;
    vector<long> a(n);
    for(int i=0; i<n; i++)
        cin>>a[i];
    long t=abs(a[0]-w);
    if(n==1)
        cout<<k;
    else
        cout<<max(abs(a[n-2]-a[n-1]),k);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: 'k' was not declared in this scope
   11 |         cout<<k;
      |               ^
a.cc:13:38: error: 'k' was not declared in this scope
   13 |         cout<<max(abs(a[n-2]-a[n-1]),k);
      |                                      ^
Language: C++

#include<iostream>
#include<cstdlib>
#include<math.h>
using namespace std;

int main(){
	int n, z, w, a[2010];
	cin >> n >> z >> w;
	for(int i=1;i<=n;i++) cin >> a[i];
	if(n==1) {
		cout << llabs(a[n]-w);
	}
	else{
		cout << max(llabs(a[n]- a[n-1]), a[n] - w);
	}
	return 0; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:28: error: no matching function for call to 'max(long long int, int)'
   14 |                 cout << max(llabs(a[n]- a[n-1]), a[n] - w);
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:14:28: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   14 |                 cout << max(llabs(a[n]- a[n-1]), a[n] - w);
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
Language: C++

#include <bits/stdc++.h>

using namespace std;

int a[100005],b[100005];
int jue(int a)
{
    if(a<0)
    {
        return -a;
    }
    else
    {
        return a;
    }
}
int main()
{
    int n,i,z,w;
    scanf("%d %d %d",&n,&z,&w);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&a[i]);
    }
    if(n==1)
    {
        printf("%d\n",jue(a[n]-w));
    }
    else
    {
        printf("%d\n",max(jue(a[n-1]-a[n],jue(a[n]-w))));
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:30: error: too many arguments to function 'int jue(int)'
   31 |         printf("%d\n",max(jue(a[n-1]-a[n],jue(a[n]-w))));
      |                           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:6:5: note: declared here
    6 | int jue(int a)
      |     ^~~
a.cc:31:26: error: no matching function for call to 'max(int)'
   31 |         printf("%d\n",max(jue(a[n-1]-a[n],jue(a[n]-w))));
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
a.cc:31:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   31 |         printf("%d\n",max(jue(a[n-1]-a[n],jue(a[n]-w))));
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 1 provided
Language: C++

#include <iotsream>
#include <algorithm>
using namespace std;
int main(){
  int a,b,c,k[2005],ans;
  cin>>a>>b>>c;
  for(int i=0;i<a;++i){
    cin>>k[i];
  }
  if(a==1){
    ans=k[0]-c;
  }
  else{
    int n=k[a-1]-c;
    if(n<0) n*=-1;
    int m=k[a-2]-k[a-1];
    if(m<0) m*=-1;
    ans=max(n,m);
  }
  
  cout<<ans<<endl;
}

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

#include <iostream>
#include <limits>
#include <cmath>
#include <algorithm>

constexpr int MAX_N = 2000;
constexpr long long INF = std::numeric_limits<long long>::max();

long long N, Z, W;
long long a[MAX_N];
long long ans = INF;

int main(){

	std::cin >> N >> Z >> W;

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

	long long diff[MAX_N];
	for(int i = 0; i < N - 1; ++i){
		diff[i] = INF;
		for(int j = i + 1; j < N; ++j){
			diff[i] = std::min(diff[i], abs(a[i] - a[j]);
		}
	}
	long long max = 0;
	for(int i = 0; i < N; ++i){
		max = std::max(max, diff[i]);
	}
	max = std::max(max, abs(W - a[N - 1]);
	std::cout << max << std::endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:69: error: expected ')' before ';' token
   25 |                         diff[i] = std::min(diff[i], abs(a[i] - a[j]);
      |                                           ~                         ^
      |                                                                     )
a.cc:32:46: error: expected ')' before ';' token
   32 |         max = std::max(max, abs(W - a[N - 1]);
      |                       ~                      ^
      |                                              )
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<functional>
#include<fstream>
#include<utility>
#include<bitset>
#include<map>
#include<deque>
#include<cmath>
#include<random>
#include<string.h>
#define FOR(i, a, b) for (int i = a; i < b; ++i)
#define rep(N) for (int i = 0; i < N; ++i)
#define Rep(a, b) for (int i = a; i < b; ++i)
#define For(i, N) for (int i = 0; i < N; ++i)
#define all(v) v.begin(), v.end()
#define rev(v) v.rbegin(), v.rend()
#define makei(N) int N; cin >> N;
#define makel(N) ll N; cin >> N;
#define makes(s) string s; cin >> s;
#define maked(d) double d; cin >> d;
#define makev(v, N) vi v(N); rep(N)cin >> v[i];
#define mod 1000000007
#define re return 0
#define int long long

using namespace std;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using vll = vector<ll>;
using vb = vector<bool>;
using vvb = vector<vector<bool>>;
using vs = vector<string>;
using pii = pair<int, int>;
using pis = pair<int, string>;
using msi = map<string, int>;

template<typename T>
void say(T s) {
	cout << s << "\n";
}

template<typename T>
void say(vector<T> s) {
	auto itr = s.begin();
	cout << *(itr++);
	while (itr != s.end()) {
		cout << " " << *(itr++);
	}
	cout << "\n";
}

void yn(bool b) {
	if (b)say("Yes");
	else say("No");
}

int N, Z, W;
vi A;
vector<pii> Amax, Amin;

int f(int a, bool b, int z, int w) {//a枚目からXがz、Yがwを持ってb（trueならX）のターンで始待った時のスコア
	if (a == N - 1) return abs(A.back() - (b ? w : z));
	else if (b) return max(abs(A.back() - w), f(Amax[a + 1].second, !b, Amax[a + 1].first, w));
	else return max(abs(A.back() - z), f(Amin[a + 1].second, !b, z, Amin[a + 1].first));
}

int main() {
	cin >> N >> Z >> W;
	rep(N) {
		int a;
		cin >> a;
		A.push_back(a);
	}
	Amax.resize(N);
	Amin.resize(N);
	if (N > 1) {
		Amax[N - 1] = { A[N - 1],N - 1 };
		Amin[N - 1] = { A[N - 1],N - 1 };
		Amax[N - 2] = { A[N - 2],N - 2 };
		Amin[N - 2] = { A[N - 2],N - 2 };
		for (int i = N - 3; i >= 0; --i) {
			if (abs(A.back() - Amax[i + 1].first) < abs(A.back() - A[i]))Amax[i] = { A[i],i };
			else Amax[i] = Amax[i + 1];
			if (abs(A.back() - Amin[i + 1].first) > abs(A.back() - A[i]))Amin[i] = { A[i],i };
			else Amin[i] = Amin[i + 1];
		}
	}
	say(f(0, true, Z, W));
}

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

#include<bits/stdc++.h>
int main(){int n,x,y;std::cin>>n>>x>>y;int a[2001];for(int i=0;i<n;i++){std::cin>>a[i];}std::cout<<max(abs(a[n-2]-a[n-1]),abs(a[n-1]-y))<<"\n";return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:100: error: 'max' was not declared in this scope; did you mean 'std::max'?
    2 | int main(){int n,x,y;std::cin>>n>>x>>y;int a[2001];for(int i=0;i<n;i++){std::cin>>a[i];}std::cout<<max(abs(a[n-2]-a[n-1]),abs(a[n-1]-y))<<"\n";return 0;}
      |                                                                                                    ^~~
      |                                                                                                    std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
Language: C++

#include<bits/stdc++.h>
int main(){int n,x,y;std::cin>>n>>x>>y;int a[2001];for(int i=0;i<n;i++){std::cin>>a[i];}std::cout<<max(abs(a[n-2]-a[n-1]),abs(a[n-1]-y)<<"\n";return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:136: error: invalid operands of types 'int' and 'const char [2]' to binary 'operator<<'
    2 | int main(){int n,x,y;std::cin>>n>>x>>y;int a[2001];for(int i=0;i<n;i++){std::cin>>a[i];}std::cout<<max(abs(a[n-2]-a[n-1]),abs(a[n-1]-y)<<"\n";return 0;}
      |                                                                                                                           ~~~~~~~~~~~~~^~~~~~
      |                                                                                                                              |           |
      |                                                                                                                              int         const char [2]
Language: C++

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int z = sc.nextInt();
		int w = sc.nextInt();
		int[] a = new int[n+1];
		a[0]= 0;
		for (int i=1; i<=n ;i++) {
				a[i] = sc.nextInt();
		}
		sc.close();
		//入力終了

		//配列の最大値
		int amax = a[1];
		int amin = a[1];
		for (int i=1; i<n; i++) {
			amax = Math.max(amax, a[i]);
		}

		//配列の最小値
		for (int i=1; i<n; i++) {
			amin = Math.max(amin, a[i]);
		}

		//本体
		int[] comp = {
				Math.abs(a[n]-w),
				Math.abs(a[n]-amax),
				Math.abs(a[n]-amin)};
		int ansmax = comp[0];
		for (int i : comp) {
			ansmax = Math.max(i, ansmax);
		}

		System.out.println(ansmax);
	}
}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

#include<iostream>
#include<algorithm>
#define LL long long 
int N,Z,W; 
int A[2010];
int main(){ 
  std::cin>>N>>Z>>W; 
  for(int i=0;i<N;i++){
    std::cin>>A[i];
  }
  LL a=std ::abs(A[N-1]-W);
  LL b=std ::abs(A[N-2]-A[N-1])
  std::cout<<(std::max(a,b))<<std::endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: expected ',' or ';' before 'std'
   13 |   std::cout<<(std::max(a,b))<<std::endl;
      |   ^~~
Language: C++

#include<iostream>
#include<algorithm>
#define LL long long 
int N,Z,W; 
int A[2010];
int main(){ 
  std::cin>>N>>Z>>W; 
  for(int i=0;i<N;i++){
    std::cin>>A[i];
  }
  LL a=std ::abs(A[N-1]-W);
  LL b=std ::abs(A[N-2]-A[N-1])
  std::cout<<std::max(a,b)<<std::endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: expected ',' or ';' before 'std'
   13 |   std::cout<<std::max(a,b)<<std::endl;
      |   ^~~
Language: C++

#include<iostream>
#include<algorithm>
#define LL long long 
int N,Z,W; 
int A[2010];
int main(){ 
  std::cin>>N>>Z>>W; 
  ‎for(int i=0;i<N;i++){
  ‎  std::cin>>A[i];
  ‎}
  ‎LL a=std ::abs(A[N-1]-W);
  ‎LL b=std ::abs(A[N-2]-A[N-1])
  ‎std::cout<<std::max(a,b)<<std::endl;
  ‎return 0;
}

Compiler output:
a.cc:8:3: error: extended character ‎ is not valid in an identifier
    8 |   ‎for(int i=0;i<N;i++){
      |   ^
a.cc:9:3: error: extended character ‎ is not valid in an identifier
    9 |   ‎  std::cin>>A[i];
      |   ^
a.cc:10:3: error: extended character ‎ is not valid in an identifier
   10 |   ‎}
      |   ^
a.cc:11:3: error: extended character ‎ is not valid in an identifier
   11 |   ‎LL a=std ::abs(A[N-1]-W);
      |   ^
a.cc:12:3: error: extended character ‎ is not valid in an identifier
   12 |   ‎LL b=std ::abs(A[N-2]-A[N-1])
      |   ^
a.cc:13:3: error: extended character ‎ is not valid in an identifier
   13 |   ‎std::cout<<std::max(a,b)<<std::endl;
      |   ^
a.cc:14:3: error: extended character ‎ is not valid in an identifier
   14 |   ‎return 0;
      |   ^
a.cc: In function 'int main()':
a.cc:8:7: error: expected primary-expression before 'int'
    8 |   ‎for(int i=0;i<N;i++){
      |       ^~~
a.cc:8:15: error: 'i' was not declared in this scope
    8 |   ‎for(int i=0;i<N;i++){
      |               ^
a.cc:11:3: error: '\U0000200eLL' was not declared in this scope
   11 |   ‎LL a=std ::abs(A[N-1]-W);
      |   ^~
a.cc:12:5: error: expected ';' before 'b'
   12 |   ‎LL b=std ::abs(A[N-2]-A[N-1])
      |     ^~
      |     ;
a.cc:14:3: error: '\U0000200ereturn' was not declared in this scope
   14 |   ‎return 0;
      |   ^~~~~~
Language: C++

int N,Z,W; 
int A[2010];
int main(){ 
  std::cin>>N>>Z>>W; 
  ‎for(int i=0;i<N;i++){
  ‎  std::cin>>A[i];
  ‎}
  ‎LL a=std ::abs(A[N-1]-W);
  ‎LL b=std ::abs(A[N-2]-A[N-1])
  ‎std::cout<<std::max(a,b)<<std::endl;
  ‎return 0;
}

Compiler output:
a.cc:5:3: error: extended character ‎ is not valid in an identifier
    5 |   ‎for(int i=0;i<N;i++){
      |   ^
a.cc:6:3: error: extended character ‎ is not valid in an identifier
    6 |   ‎  std::cin>>A[i];
      |   ^
a.cc:7:3: error: extended character ‎ is not valid in an identifier
    7 |   ‎}
      |   ^
a.cc:8:3: error: extended character ‎ is not valid in an identifier
    8 |   ‎LL a=std ::abs(A[N-1]-W);
      |   ^
a.cc:9:3: error: extended character ‎ is not valid in an identifier
    9 |   ‎LL b=std ::abs(A[N-2]-A[N-1])
      |   ^
a.cc:10:3: error: extended character ‎ is not valid in an identifier
   10 |   ‎std::cout<<std::max(a,b)<<std::endl;
      |   ^
a.cc:11:3: error: extended character ‎ is not valid in an identifier
   11 |   ‎return 0;
      |   ^
a.cc: In function 'int main()':
a.cc:4:8: error: 'cin' is not a member of 'std'
    4 |   std::cin>>N>>Z>>W;
      |        ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | int N,Z,W;
a.cc:5:7: error: expected primary-expression before 'int'
    5 |   ‎for(int i=0;i<N;i++){
      |       ^~~
a.cc:5:15: error: 'i' was not declared in this scope
    5 |   ‎for(int i=0;i<N;i++){
      |               ^
a.cc:8:3: error: '\U0000200eLL' was not declared in this scope
    8 |   ‎LL a=std ::abs(A[N-1]-W);
      |   ^~
a.cc:9:5: error: expected ';' before 'b'
    9 |   ‎LL b=std ::abs(A[N-2]-A[N-1])
      |     ^~
      |     ;
a.cc:11:3: error: '\U0000200ereturn' was not declared in this scope
   11 |   ‎return 0;
      |   ^~~~~~
Language: C++

#include <iostream>
#include <cctype>
#include <algorithm>
#include <vector>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <utility>
#include <string>
#include <functional>
#include <cctype>
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <cmath>
typedef long long ll;
const int INF = 100000000, mod = 1000000007;
const ll LLINF = 1LL << 50;
using namespace std;


int main() {
    int n, z, w, a[2005];
    cin >> n >> z >> w;
    for (int i = 0; i < n; i++) cin >> a[i];
    if (n == 1)cout << abs(w-a[0]);
    else cout << max(abs(w-a[n-1]), abs(a[n-1]-a[n]);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:53: error: expected ')' before ';' token
   28 |     else cout << max(abs(w-a[n-1]), abs(a[n-1]-a[n]);
      |                     ~                               ^
      |                                                     )
Language: C++

#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <sstream>
#include <set>
#include <map>
#include <vector>
#include <list>
#include <algorithm>
#include <cstring>
#include <cmath>
#include <string>
#include <queue>
#include <bitset>     //UWAGA - w czasie kompilacji musi byc znany rozmiar wektora - nie mozna go zmienic
#include <cassert>
#include <iomanip>        //do setprecision
#include <ctime>
#include <complex>
using namespace std;

#define FOR(i,b,e) for(int i=(b);i<(e);++i)
#define FORQ(i,b,e) for(int i=(b);i<=(e);++i)
#define FORD(i,b,e) for(int i=(b)-1;i>=(e);--i)
#define REP(x, n) for(int x = 0; x < (n); ++x)

#define ST first
#define ND second
#define PB push_back
#define MP make_pair
#define LL long long
#define ULL unsigned LL
#define LD long double

const double pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342;
const int mod=1000000007;

int main(){
	int n,x,y,ans=0;
	cin>>n>>x>>y;
	int dp[2022][2022]={};
	if(n==1)ans=abs(a[n]-y);
	else ans=max(abs(a[n]-y),abs(a[n-1]-a[n]));

	cout<<ans<<endl;


    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:25: error: 'a' was not declared in this scope
   42 |         if(n==1)ans=abs(a[n]-y);
      |                         ^
a.cc:43:26: error: 'a' was not declared in this scope
   43 |         else ans=max(abs(a[n]-y),abs(a[n-1]-a[n]));
      |                          ^
Language: C++

#include <iostream>
#include <cmath>
using namespace std;
int main(){
  int n,z,w;
  cin >> n >> z >> w;
  vector<int> a(n);
  for(auto& x: a) cin >> x;
  if(n == 1){
    cout << abs(a[0] - w) << endl;
  }else{
    cout << max(abs(a[n-2] - a[n-1]), abs(a[n-1] - w)) << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'vector' was not declared in this scope
    7 |   vector<int> a(n);
      |   ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include <cmath>
  +++ |+#include <vector>
    3 | using namespace std;
a.cc:7:10: error: expected primary-expression before 'int'
    7 |   vector<int> a(n);
      |          ^~~
a.cc:8:16: error: 'a' was not declared in this scope
    8 |   for(auto& x: a) cin >> x;
      |                ^
a.cc:10:17: error: 'a' was not declared in this scope
   10 |     cout << abs(a[0] - w) << endl;
      |                 ^
a.cc:12:21: error: 'a' was not declared in this scope
   12 |     cout << max(abs(a[n-2] - a[n-1]), abs(a[n-1] - w)) << endl;
      |                     ^