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

#include <iostream>
using namespace std;

int main(void)
{
	int a,b,c;
    long long k;
	cin >> a>>b>>c>>k;

    if(sqrt((a-b)*(a-b)) < powf(10.0, 18.0)){
        if(k%2==0){
            cout << a-b << endl;
        }
        else{
            cout <<b-a <<endl;
        }
    }
    else{
        cout << "Unfair" << endl;
    }


	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: 'sqrt' was not declared in this scope
   10 |     if(sqrt((a-b)*(a-b)) < powf(10.0, 18.0)){
      |        ^~~~
a.cc:10:28: error: 'powf' was not declared in this scope
   10 |     if(sqrt((a-b)*(a-b)) < powf(10.0, 18.0)){
      |                            ^~~~
Language: Java

public class Main {
    private static final PrintStream ps = System.out;
    private static final Scanner     sc = new Scanner(System.in);

    public static void main(String[] args) {
        int a = sc.nextInt();
        int b = sc.nextInt();
        // int c = sc.nextInt();
        int k = sc.nextInt();
            
        ps.println((k % 2 == 0) ? a-b : b-a);
    }
}

Compiler output:
Main.java:2: error: cannot find symbol
    private static final PrintStream ps = System.out;
                         ^
  symbol:   class PrintStream
  location: class Main
Main.java:3: error: cannot find symbol
    private static final Scanner     sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
    private static final Scanner     sc = new Scanner(System.in);
                                              ^
  symbol:   class Scanner
  location: class Main
3 errors
Language: C++



# import numpy as np
# import matplotlib.pyplot as plt
#
# Y, X = np.mgrid[-3:3:100j, -3:3:100j]
# U = (X-2)/((X-2)**2+Y**2)**1.5 - (X+2)/((X+2)**2+Y**2)**1.5
# V = Y/((X-2)**2+Y**2)**1.5 - Y/((X+2)**2+Y**2)**1.5
#
# plt.streamplot(X, Y, U, V, cmap=plt.cm.autumn, density=2)
# plt.show()
a,b,c,k=map(int,input().split())
if abs(a-b)>10**18:
    print("Unfair")
else:
    if k % 2==1:
        print(b-a)
    else:
        print(a-b)



Compiler output:
a.cc:3:3: warning: #import is a deprecated GCC extension [-Wdeprecated]
    3 | # import numpy as np
      |   ^~~~~~
a.cc:3:10: error: #import expects "FILENAME" or <FILENAME>
    3 | # import numpy as np
      |          ^~~~~
a.cc:4:3: warning: #import is a deprecated GCC extension [-Wdeprecated]
    4 | # import matplotlib.pyplot as plt
      |   ^~~~~~
a.cc:4:10: error: #import expects "FILENAME" or <FILENAME>
    4 | # import matplotlib.pyplot as plt
      |          ^~~~~~~~~~
a.cc:6:3: error: invalid preprocessing directive #Y
    6 | # Y, X = np.mgrid[-3:3:100j, -3:3:100j]
      |   ^
a.cc:7:3: error: invalid preprocessing directive #U
    7 | # U = (X-2)/((X-2)**2+Y**2)**1.5 - (X+2)/((X+2)**2+Y**2)**1.5
      |   ^
a.cc:8:3: error: invalid preprocessing directive #V
    8 | # V = Y/((X-2)**2+Y**2)**1.5 - Y/((X+2)**2+Y**2)**1.5
      |   ^
a.cc:10:3: error: invalid preprocessing directive #plt
   10 | # plt.streamplot(X, Y, U, V, cmap=plt.cm.autumn, density=2)
      |   ^~~
a.cc:11:3: error: invalid preprocessing directive #plt
   11 | # plt.show()
      |   ^~~
a.cc:12:1: error: 'a' does not name a type
   12 | a,b,c,k=map(int,input().split())
      | ^
Language: C++

a, b, c, k = map(int ,input().split())
if abs(a-b) >10**18:
    print('Unfair')
else:
    print((a-b)*(-1)**k)


Compiler output:
a.cc:3:11: warning: multi-character literal with 6 characters exceeds 'int' size of 4 bytes
    3 |     print('Unfair')
      |           ^~~~~~~~
a.cc:1:1: error: 'a' does not name a type
    1 | a, b, c, k = map(int ,input().split())
      | ^
Language: Java

import java.util.*;

public class AMain {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long a = sc.nextLong();
        long b = sc.nextLong();
        long c = sc.nextLong();
        long k = sc.nextLong();
        sc.close();

        if(k % 2 == 0){
            System.out.println(a-b);
        }else{
            System.out.println(b-a);
        }
    }
}

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

#include <bits/stdc++.h>
using namespace std;
void solve();
int main(){
    int t = 1;
    while(t --) solve();
    return 0;
}

#define pb push_back
#define mp make_pair
#define fr first
#define sc second
#define int __int64

const int maxn = 1e6 + 6;
const int mod = 1e9 + 7;


void solve(){
    int a, b, c, k;
    cin >> a >> b >> c >> k;
    cout << (k % 2 == 0 ? a - b : b - a) << endl;
}



Compiler output:
a.cc:14:13: error: '__int64' does not name a type; did you mean '__int64_t'?
   14 | #define int __int64
      |             ^~~~~~~
a.cc:16:7: note: in expansion of macro 'int'
   16 | const int maxn = 1e6 + 6;
      |       ^~~
a.cc:14:13: error: '__int64' does not name a type; did you mean '__int64_t'?
   14 | #define int __int64
      |             ^~~~~~~
a.cc:17:7: note: in expansion of macro 'int'
   17 | const int mod = 1e9 + 7;
      |       ^~~
a.cc: In function 'void solve()':
a.cc:14:13: error: '__int64' was not declared in this scope; did you mean '__ynf64'?
   14 | #define int __int64
      |             ^~~~~~~
a.cc:21:5: note: in expansion of macro 'int'
   21 |     int a, b, c, k;
      |     ^~~
a.cc:22:12: error: 'a' was not declared in this scope
   22 |     cin >> a >> b >> c >> k;
      |            ^
a.cc:22:17: error: 'b' was not declared in this scope; did you mean 'pb'?
   22 |     cin >> a >> b >> c >> k;
      |                 ^
      |                 pb
a.cc:22:22: error: 'c' was not declared in this scope; did you mean 'sc'?
   22 |     cin >> a >> b >> c >> k;
      |                      ^
      |                      sc
a.cc:22:27: error: 'k' was not declared in this scope
   22 |     cin >> a >> b >> c >> k;
      |                           ^
Language: C++

#include <iostream>
using namespace std;
#include<string.h>
#include<set>
#include<map>
#include<stdio.h>
#include<math.h>
#include<queue>
#include<algorithm>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<cstdio>
#include<cstdlib>
#include<stack>
#include<time.h>
#include<vector>
#define LL long long
const LL MAX=1e6+10;
LL n,m,x,y,z,k,x1,y1,z1;
LL a[MAX];
int main ()
{
    cin>>x>>y>>z>>k;
    //cout<<x<<"_"<<y<<"_"<<z<<endl;
    if(k%2==0)
        cout<<x-y<<endl;
    else
        cout<<y-x<<endl;
    return 0;
}


Compiler output:
a.cc:20:19: error: 'long long int y1' redeclared as different kind of entity
   20 | LL n,m,x,y,z,k,x1,y1,z1;
      |                   ^~
In file included from /usr/include/features.h:523,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/c++config.h:683,
                 from /usr/include/c++/14/bits/requires_hosted.h:31,
                 from /usr/include/c++/14/iostream:38,
                 from a.cc:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:257:1: note: previous declaration 'double y1(double)'
  257 | __MATHCALL (y1,, (_Mdouble_));
      | ^~~~~~~~~~
Language: C++

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

int main() {
	long long int A, B, C;
	cin >> A >> B >> C;
	long long K;
	cin >> K;
	for(long long int i = 0;i < K;i++){
		int da, db, dc;
		da = b + c;
		db = a + c;
		dc = a + b;
		a = da;
		b = db;
		c = dc;
	}
	long long int awnser = a - b;
	if(abs(awnser) > 1000000000000000000){
		cout << "Unfair" << endl;
	}
	else{
		cout << awnser << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:22: error: 'b' was not declared in this scope
   11 |                 da = b + c;
      |                      ^
a.cc:11:26: error: 'c' was not declared in this scope
   11 |                 da = b + c;
      |                          ^
a.cc:12:22: error: 'a' was not declared in this scope
   12 |                 db = a + c;
      |                      ^
a.cc:18:32: error: 'a' was not declared in this scope
   18 |         long long int awnser = a - b;
      |                                ^
a.cc:18:36: error: 'b' was not declared in this scope
   18 |         long long int awnser = a - b;
      |                                    ^
Language: C++

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

int main() {
	int64_t A, B, C, K;
	cin >> A >> B >> C >> K;
	int64_t ans = A - B;
	if (K % 2 == 1) ans = -ans;
	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

A_n+1 = B_n + C_n
B_n+1 = A_n + C_n
C_n+1 = A_n + B_n
よってA_n+1 - B_n+1 = B_n - A_n
正負が逆転するだけ
*/

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

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<vvll> vvvll;
typedef vector<ld> vld;
typedef vector<string> vstr;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
typedef priority_queue<ll, vector<ll>, greater<ll>> spqll;  // 小さい順に取り出し
typedef priority_queue<ll, vector<ll>, less<ll>> bpqll;     // 大きい順に取り出し

#define REP(i, n) for (ll i = 0; i < (ll)(n); i++)
#define IREP(i, v) for (auto i = (v).begin(); i != (v).end(); ++i)
#define TS to_string
#define ALL(v) (v).begin(), (v).end()
#define endl "\n"

ll INF = 1e9;
ll MOD = 1000000007;
ll LINF = 1e18;
ld EPS = 1e-9;
ld PI = M_PI;
vll dx = {1, 0, -1, 0, 1, -1, -1, 1};
vll dy = {0, 1, 0, -1, 1, 1, -1, -1};
ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a;} //最大公約数
ll lcm(ll a, ll b) { return a / gcd(a, b) * b;}     //最小公倍数

void yes(){ cout << "YES" << endl;}
void no(){ cout << "NO" << endl;}

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

  ll n;
  cin >> n;
  vll p(n);
  REP(i,n) cin >> p[i];

  ll ans1 = n;

  ll j = n;
  for(ll i = n-1; i >= 0; i--){
    if(p[i] == j){
      ans1--;
      j--;
    }
  }

  ll ans2 = n;
  
  ll j = 1;
  for(ll i = 0; i < n; i++){
    if(p[i] == j){
      ans2--;
      j++;
    }
  }

  cout << min(ans1, ans2) <<endl;



  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:61:6: error: redeclaration of 'll j'
   61 |   ll j = 1;
      |      ^
a.cc:51:6: note: 'll j' previously declared here
   51 |   ll j = n;
      |      ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main() {
  int n; cin >> n;
  vector<int> a(n), b(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i]; a[i]--;
    b[i] = n - 1 - a[i];
  }
  auto f = [n](vector<int> v) {
    int r = 0;
    for (int i = 0; i < n; i++) {
      r += r == v[i];
    }
  };
  cout << n - max(f(a), f(b)) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:20: error: invalid use of void expression
   16 |   cout << n - max(f(a), f(b)) << endl;
      |                   ~^~~
Language: C++

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

#ifdef LOCAL
#define debug(var) cerr << (#var) << " = " << (var) << endl;
#else
#define debug(var)
#endif

void init() {
  ios_base::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
}

const int N = 2e5+23;
int inv[N], cnt[N];

void solve() {
  int n; scanf("%d", &n);
  for (int p, i = 0; i < n; ++i) {
    scanf("%d", &p);
    inv[--p] = i;
    cnt[i] = 1;
  }

Compiler output:
a.cc: In function 'void solve()':
a.cc:24:4: error: expected '}' at end of input
   24 |   }
      |    ^
a.cc:18:14: note: to match this '{'
   18 | void solve() {
      |              ^
Language: C++

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<vector>
#include<functional>
#include<algorithm>
#include<stdlib.h>
#include<string>
#include<string.h>
#define _USE_MATH_DEFINES
#include<math.h>
#include<deque>
#include<set>
#include<map>
#include<queue>
#include<list>
#include<iostream>
#include <bitset>
using namespace std;
typedef long long ll;
#define rep(i,a,b) for(auto i=a;i<b;i++)
#define all(_x) _x.begin(), _x.end()
#define r_sort(_x) sort(_x.begin(), _x.end(), std::greater<int>())
#define vec_cnt(_a, _n) (upper_bound(all(_a), _n) - lower_bound(all(_a), _n))
#define vec_unique(_a) _a.erase(std::unique(all(_a)), _a.end());
#define vvec vector<vector<ll>>
ll gcd(ll a, ll b) { return a % b == 0 ? b : gcd(b, a % b); }
ll lcm(ll a, ll b) { return (a / gcd(a, b)) * b; }
#define INF 1 << 30
const int mod = 1000000007;
ll power(ll x, ll p) { ll a = 1; while (p > 0) { if (p % 2 == 0) { x *= x; p /= 2; } else { a *= x; p--; } }return a; }
ll mpower(ll x, ll p) { ll a = 1; while (p > 0) { if (p % 2 == 0) { x = x * x % mod; p /= 2; } else { a = a * x % mod; p--; } }return a; }
ll ac(ll n, ll k) { ll a = 1; rep(i, 1, k) { a *= n - i + 1; a /= i; }return a; }
ll mc(ll n, ll m) { ll k = 1, l = 1; rep(i, n - m + 1, n + 1) k = k * i % mod; rep(i, 1, m + 1) l = l * i % mod; l = mpower(l, mod - 2); return k * l % mod; }

int dp[];
int main()
{
	int N, c = 1, ans = 0;
	cin >> N;
	vector<int> P(N), tP(N + 1);
	rep(i, 0, N)cin >> P[i], tP[P[i] - 1] = i;
	tP[N] = -1;
	rep(i, 0, N) {
		if (tP[i] < tP[i + 1])c++;
		else {
			ans = max(ans, c);
			c = 1;
		}
	}
	printf("%d\n", N - ans);
	return 0;
}


Compiler output:
a.cc:35:5: error: storage size of 'dp' isn't known
   35 | int dp[];
      |     ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
int N;
  cin>>N;
  vector<int>P(N);
  for(int i=0;i<N;i++)
    cin>>P.at(i);
  map<int,int>M;
  for(int i=0;i<N;i++){
  if(!M.count(P.at(i)-1))
    M[P.at(i)]=1;
    else
      M.[P.at(i)]=M.at(P.at(i)-1)+1;
  }int Max=0;
  for(auto p:M){
  auto k=p.first;
    auto v=p.second;
    if(Max<v)
      Max=v;
}int ans=N-Max;
  cou<<ans<<endl;
  
   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: expected unqualified-id before '[' token
   14 |       M.[P.at(i)]=M.at(P.at(i)-1)+1;
      |         ^
a.cc:22:3: error: 'cou' was not declared in this scope; did you mean 'cos'?
   22 |   cou<<ans<<endl;
      |   ^~~
      |   cos
Language: Java

package ws.harro.apps;

import java.util.Scanner;

public class untitled1 {
    public static void main(String[] args) {
        java.util.Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        int[] p = new int[200000], q = new int[200000];
        for (int i = 0; i < n; i++) {
            q[input.nextInt() - 1] = i;
        }
        int r = 0, f = 1000000, c = 0;
        for (int i = 0; i < n; i++) {
            if (f < q[i]) {
                c++;
            } else {
                c = 1;
            }
            f = q[i];
            if (r < c) r = c;
        }
        System.out.println(n - r);
    }
}


Compiler output:
Main.java:5: error: class untitled1 is public, should be declared in a file named untitled1.java
public class untitled1 {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,j,n) for(int i=(int)(j);i<(int)(n);i++)
#define REP(i,j,n) for(int i=(int)(j);i<=(int)(n);i++)
#define MOD 1000000007
#define int long long
#define ALL(a) (a).begin(),(a).end()
#define vi vector<int>
#define vii vector<vi>
#define pii pair<int,int>
#define priq priority_queue<int>
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
#define tii tuple<int,int,int>
#define Priq priority_queue<int,vi,greater<int>>
#define pb push_back
#define mp make_pair
#define INF (1ll<<60)
signed main(){
  int N; cin>>N;　
  vi A(N);
  rep(i,0,N) cin>>A[i];
  vi B(N);
  rep(i,0,N){
    if(B[i]==0){
      B[i]++;
      int memo=B[i]+1;
      rep(j,i+1,N){
        if(A[j]==memo){
          B[i]++;
          B[j]=-1;
          memo++;
        }
      }
    }
  }
  int ans=0;
  rep(i,0,N) ans=max(ans,B[i]);
  cout<<N-ans<<endl;
  }


Compiler output:
a.cc:20:17: error: extended character 　 is not valid in an identifier
   20 |   int N; cin>>N;　
      |                 ^
a.cc: In function 'int main()':
a.cc:20:17: error: '\U00003000' was not declared in this scope
   20 |   int N; cin>>N;　
      |                 ^~
a.cc:22:19: error: 'A' was not declared in this scope
   22 |   rep(i,0,N) cin>>A[i];
      |                   ^
a.cc:29:12: error: 'A' was not declared in this scope
   29 |         if(A[j]==memo){
      |            ^
Language: C++

N = int(input())
P = [int(input()) for _ in range(N)]
Q = [0] * N
for i in range(N):
    Q[P[i]-1] = i
ans = 0
cnt = 1
for i in range(N-1):
    if Q[i] < Q[i+1]:
        cnt += 1
    else:
        ans = max(ans, cnt)
        cnt = 1
print(N - ans)

Compiler output:
a.cc:1:1: error: 'N' does not name a type
    1 | N = int(input())
      | ^
Language: C++

// #define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define rep(i, n) for (int i = 0; i < n; ++i)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define range(i,a,b) ((a)<=(i) && (i)<(b))
#define debug(x) cout << #x << ' ' << '=' << ' ' << (x) << endl;
#define fs first
#define sc second
#define pb push_back
typedef long long ll;
typedef pair<ll, ll> P;
typedef tuple<ll, ll, ll> T;
typedef priority_queue<ll> PQI;
typedef priority_queue<P> PQP;
typedef vector<vector<P>> pvec;
typedef vector<vector<ll>> vvec;
typedef vector<ll> vec;
const vector<int> dx = {0, -1, 0, 1, 1, 1, -1, -1};
const vector<int> dy = {1, 0, -1, 0, 1, -1, 1, -1};
const int MOD = (1000000007);
// const int MOD = (998244353);
// const int INF = (1 << 30);
const int INF = (1LL << 60);
const double EPS = (1 >> 30);
template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return 1;} return 0;}
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return 1;} return 0;}



signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(15);
    //---------------------------------------------
    
    int n;
    cin>>n;
    if(n==1){
        cout<<0<<endl;
        return;
    }
    vector<int> a(n);
    REP(i,n) cin >> a[i];
    vec b(n);
    rep(i,n){
        b[a[i]-1]=i;
    }
    int cnt=1;
    int ans=0;
    rep(i,n-1){
        if(b[i]<b[i+1]) cnt++;
        else cnt=1;
        chmax(ans,cnt);
        //debug(cnt);
    }
    cout<<n-ans<<endl;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   45 |         return;
      |         ^~~~~~
Language: C

// #define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define rep(i, n) for (int i = 0; i < n; ++i)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define range(i,a,b) ((a)<=(i) && (i)<(b))
#define debug(x) cout << #x << ' ' << '=' << ' ' << (x) << endl;
#define fs first
#define sc second
#define pb push_back
typedef long long ll;
typedef pair<ll, ll> P;
typedef tuple<ll, ll, ll> T;
typedef priority_queue<ll> PQI;
typedef priority_queue<P> PQP;
typedef vector<vector<P>> pvec;
typedef vector<vector<ll>> vvec;
typedef vector<ll> vec;
const vector<int> dx = {0, -1, 0, 1, 1, 1, -1, -1};
const vector<int> dy = {1, 0, -1, 0, 1, -1, 1, -1};
const int MOD = (1000000007);
// const int MOD = (998244353);
// const int INF = (1 << 30);
const int INF = (1LL << 60);
const double EPS = (1 >> 30);
template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return 1;} return 0;}
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return 1;} return 0;}



signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(15);
    //---------------------------------------------
    
    int n;
    cin>>n;
    if(n==1){
        cout<<0<<endl;
        return 0;
    }
    vector<int> a(n);
    REP(i,n) cin >> a[i];
    vec b(n);
    rep(i,n){
        b[a[i]-1]=i;
    }
    int cnt=1;
    int ans=0;
    rep(i,n-1){
        if(b[i]<b[i+1]) cnt++;
        else cnt=1;
        chmax(ans,cnt);
        //debug(cnt);
    }
    cout<<n-ans<<endl;
    
}

Compiler output:
main.c:2:10: fatal error: bits/stdc++.h: No such file or directory
    2 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

ｖ#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll ZERO = 0;
const int Inf = 1000000000;
const ll INF= 1e18;
const ll MOD = 1000000007;
const double PI = 3.1415926535897;
typedef pair<ll,ll> P;

int main() {
    int N;
    cin >> N;
    vector<int> vec(N);
    for(int i = 0;i < N;i++) {
        cin >> vec.at(i);
    }
    int cnt = N;
    for(int i = N - 1;i >= 0;i--) {
        if(vec.at(i) == cnt) {
            cnt--;
        }
    }
    int cnt2 = 1;
    for(int i = 0;i < N;i++) {
        if(vec.at(i) == cnt2) {
            cnt2++;
        }
    }
    cout << min(cnt,N - cnt2 + 1) << endl;
}

Compiler output:
a.cc:1:3: error: stray '#' in program
    1 | ｖ#include<bits/stdc++.h>
      |   ^
a.cc:1:1: error: '\U0000ff56' does not name a type
    1 | ｖ#include<bits/stdc++.h>
      | ^~
a.cc:9:9: error: 'pair' does not name a type
    9 | typedef pair<ll,ll> P;
      |         ^~~~
a.cc: In function 'int main()':
a.cc:13:5: error: 'cin' was not declared in this scope
   13 |     cin >> N;
      |     ^~~
a.cc:14:5: error: 'vector' was not declared in this scope
   14 |     vector<int> vec(N);
      |     ^~~~~~
a.cc:14:12: error: expected primary-expression before 'int'
   14 |     vector<int> vec(N);
      |            ^~~
a.cc:16:16: error: 'vec' was not declared in this scope
   16 |         cin >> vec.at(i);
      |                ^~~
a.cc:20:12: error: 'vec' was not declared in this scope
   20 |         if(vec.at(i) == cnt) {
      |            ^~~
a.cc:26:12: error: 'vec' was not declared in this scope
   26 |         if(vec.at(i) == cnt2) {
      |            ^~~
a.cc:30:5: error: 'cout' was not declared in this scope
   30 |     cout << min(cnt,N - cnt2 + 1) << endl;
      |     ^~~~
a.cc:30:13: error: 'min' was not declared in this scope; did you mean 'main'?
   30 |     cout << min(cnt,N - cnt2 + 1) << endl;
      |             ^~~
      |             main
a.cc:30:38: error: 'endl' was not declared in this scope
   30 |     cout << min(cnt,N - cnt2 + 1) << endl;
      |                                      ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

#define MOD 1000000007
#define PI 3.1415926535897932384626433832795
#define INF (int)1e9
typedef long long int int64;

void print() {
    cout << endl;
}

void print(string s, bool endline = true) {
    cout << s;
    if (endline) print();
}

void print(int64 s, bool endline = true) {
    cout << s;
    if (endline) print();
}

template <typename T, typename T2>
void print(pair<T, T2>& p, bool endline = true) {
    cout << "(";
    print(p.first, false);
    cout << ", ";
    print(p.second, false);
    cout << ")";

    if (endline) print();
}

template <typename T>
void print(T& t, bool endline = true) {
    cout << "[";
    for (auto it = t.begin(); it != t.end(); ++it) {
        if (it != t.begin()) cout << ", ";
        print(*it, false);
    }
    cout << "]";

    if(endline) print();
}

template <typename T>
vector<T> operator+(const vector<T> &a, const vector<T> &b)
{
    vector<T> ret;
    ret.reserve( a.size() + b.size() );                // preallocate memory
    ret.insert( ret.end(), a.begin(), a.end() );        // add A;
    ret.insert( ret.end(), b.begin(), b.end() );        // add B;

    return ret;
}

template <typename T>
vector<T> &operator+=(vector<T> &a, const vector<T> &b)
{
    a.reserve( a.size() + b.size() );                // preallocate memory without erase original data
    a.insert( a.end(), b.begin(), b.end() );         // add B;
    return a;
}

int main() {
    // g++ -Wall -Wextra -O2 -std=c++17 helloworld.cpp
    int64 t;
    vector<int64> v;

    cin >> t;
    while (t -- > 0) {
        int64 n;
        cin >> n;

        v.push_back(n);
    }

    int ret = 0;

    unordered_set<int64> seen;

    for(auto& i : v) {
        if(seen.find(i - 1) == seen.end()) {
            ret++;
        }

        seen.insert(i)
    }

    cout << ret << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:88:23: error: expected ';' before '}' token
   88 |         seen.insert(i)
      |                       ^
      |                       ;
   89 |     }
      |     ~
Language: C++

#include <bits/stdc++.h>

using namespace std;
using i32 = std::int_fast32_t;
using u64 = std::uint_fast64_t;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  i32 N;
  cin >> N;
  vector<i32> cnt(N + 1, 0);
  for (i32 i = 0; i < N; i++) {
    i32 p;
    cin >> p;
    cnt[p] = cnt[p - 1] + 1;
  }
  int res = 0;
  for (i32 i = 1; i < N + 1; i++) {
    res = max(res, cnt[i]);
  }
  cout << N - res << '\n';
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:14: error: no matching function for call to 'max(int&, __gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type&)'
   20 |     res = max(res, cnt[i]);
      |           ~~~^~~~~~~~~~~~~
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:   template argument deduction/substitution failed:
a.cc:20:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type' {aka 'long int'})
   20 |     res = max(res, cnt[i]);
      |           ~~~^~~~~~~~~~~~~
/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
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:   candidate expects 1 argument, 2 provided
/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:   template argument deduction/substitution failed:
a.cc:20:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |     res = max(res, cnt[i]);
      |           ~~~^~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;
using i32 = std::int_fast32_t;
using u64 = std::uint_fast64_t;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  i32 N;
  cin >> N;
  vector<i32> cnt(N + 1, 0);
  for (i32 i = 0; i < N; i++) {
    i32 p;
    cin >> p;
    cnt[p] = cnt[p - 1] + 1;
  }
  int res = 0;
  for (i32 i = 0; i < N; i++) {
    res = max(res, cnt[i]);
  }
  cout << N - res << '\n';
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:14: error: no matching function for call to 'max(int&, __gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type&)'
   20 |     res = max(res, cnt[i]);
      |           ~~~^~~~~~~~~~~~~
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:   template argument deduction/substitution failed:
a.cc:20:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type' {aka 'long int'})
   20 |     res = max(res, cnt[i]);
      |           ~~~^~~~~~~~~~~~~
/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
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:   candidate expects 1 argument, 2 provided
/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:   template argument deduction/substitution failed:
a.cc:20:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |     res = max(res, cnt[i]);
      |           ~~~^~~~~~~~~~~~~
Language: C++

int main() {
    ll N;
    cin >> N;
    ll P[N];
    rep(i,N){
        cin >> P[i];
        P[i] --;
    }
    ll Q[N];
    rep(i,N){
        Q[P[i]] = i;
    }
    ll maxConti = 0;
    ll tmp = 1;
    rep(i,N-1){
        if(Q[i] < Q[i + 1]){
            tmp++;
        }else{
            maxConti = max(maxConti,tmp);
            tmp = 1;
        }
    }
    cout << N - maxConti << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:5: error: 'll' was not declared in this scope
    2 |     ll N;
      |     ^~
a.cc:3:5: error: 'cin' was not declared in this scope
    3 |     cin >> N;
      |     ^~~
a.cc:3:12: error: 'N' was not declared in this scope
    3 |     cin >> N;
      |            ^
a.cc:4:7: error: expected ';' before 'P'
    4 |     ll P[N];
      |       ^~
      |       ;
a.cc:5:9: error: 'i' was not declared in this scope
    5 |     rep(i,N){
      |         ^
a.cc:5:5: error: 'rep' was not declared in this scope
    5 |     rep(i,N){
      |     ^~~
a.cc:9:7: error: expected ';' before 'Q'
    9 |     ll Q[N];
      |       ^~
      |       ;
a.cc:13:7: error: expected ';' before 'maxConti'
   13 |     ll maxConti = 0;
      |       ^~~~~~~~~
      |       ;
a.cc:14:7: error: expected ';' before 'tmp'
   14 |     ll tmp = 1;
      |       ^~~~
      |       ;
a.cc:23:5: error: 'cout' was not declared in this scope
   23 |     cout << N - maxConti << endl;
      |     ^~~~
a.cc:23:17: error: 'maxConti' was not declared in this scope
   23 |     cout << N - maxConti << endl;
      |                 ^~~~~~~~
a.cc:23:29: error: 'endl' was not declared in this scope
   23 |     cout << N - maxConti << endl;
      |                             ^~~~
Language: C++

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

const int MAXN = 1e6 + 10;

int n;
int a[MAXN], dp[MAXN];
int ans;

int main() {
  	cin >> n;
  	for (int i = 0; i < n; i++) {
     cin >> a[i];
      dp[a[i]] = dp[a[i] - 1] + 1;
    }
  ans = n - 1;
  for (int i = 0 ;i < n; i++)
   ans = min(ans, n - dp[a[i]]);
  cout << ans << '\n';
 	return 0; 
}


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inckude; did you mean #include?
    1 | #inckude <bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:11:9: error: 'cin' was not declared in this scope
   11 |         cin >> n;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inckude <bits/stdc++.h>
a.cc:18:10: error: 'min' was not declared in this scope; did you mean 'main'?
   18 |    ans = min(ans, n - dp[a[i]]);
      |          ^~~
      |          main
a.cc:19:3: error: 'cout' was not declared in this scope
   19 |   cout << ans << '\n';
      |   ^~~~
a.cc:19:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

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

const int MAXN = 1e6 + 10;

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

int main() {
  	cin >> n;
  	for (int i = 0; i < n; i++) {
     cin >> a[i];
      dp[a[i]] = dp[a[i] - 1] + 1;
    }
  long long ans = n - 1;
  for (int i = 0 ;i < n; i++)
   ans = min(ans, n - dp[a[i]]);
  cout << ans << '\n';
 	return 0; 
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inckude; did you mean #include?
    1 | #inckude <bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:10:9: error: 'cin' was not declared in this scope
   10 |         cin >> n;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inckude <bits/stdc++.h>
a.cc:17:10: error: 'min' was not declared in this scope; did you mean 'main'?
   17 |    ans = min(ans, n - dp[a[i]]);
      |          ^~~
      |          main
a.cc:18:3: error: 'cout' was not declared in this scope
   18 |   cout << ans << '\n';
      |   ^~~~
a.cc:18:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

// All Heil Fire Lord Zuko

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

#define sz(x) (int)x.size()
#define F first
#define S second
#define PB push_back

#define debug(x) cerr << #x << " = " << x << "\n"

typedef long long ll ;
typedef pair<ll, ll> pll ;
typedef pair<ll, bool> pllb ;

const ll N = 2 * 100 * 1000 + 19 ;
const ll Mod = 998244353 ;
const ll inf = 1e10 + 19 ;

ll n, a, b, h[N];

ll BinarySearch() ;
bool IsValid(ll x) ;

ll ans , dp[N] ;

int main() {
    ios::sync_with_stdio(false), cin.tie(0), cout.tie(0) ;
    cin >> n ;
    for (int i = 0 ; i < n ; i ++) 
        cin >> p[i] , dp[p[i]] = dp[p[i] - 1] + 1 ;
    ll ans = inf ;
    for (int i = 0 ; i < n ; i ++)
        ans = min(ans , n - dp[p[i]]) ;
    cout << ans ;
    return 0 ;
}

/* THINGS TO CHECK */

// Runtime ->
// Overflow ->
// Time ->
// Memory ->

/* READ PROBLEM STATEMENT CAREFULLY */


Compiler output:
a.cc: In function 'int main()':
a.cc:32:16: error: 'p' was not declared in this scope
   32 |         cin >> p[i] , dp[p[i]] = dp[p[i] - 1] + 1 ;
      |                ^
a.cc:35:32: error: 'p' was not declared in this scope
   35 |         ans = min(ans , n - dp[p[i]]) ;
      |                                ^
Language: C++

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

using namespace std;

int main(void) {
	int num, i, a, ans = 1;
	cin >> num;
	vector<int> d(num + 1);
	for (i = 1; i <= num; i++) {
		scanf_s("%d", &a);
		d[a] = i;
	}
	for (a = 1, i = 1; i < num; i++) {
		if (d[i] < d[i + 1]) {
			a++;
			ans = max(a, ans);
		}
		else
			a = 1;
	}
	cout << num - ans << "\n";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:17: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   12 |                 scanf_s("%d", &a);
      |                 ^~~~~~~
      |                 scanf
Language: C++

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

int t[210000];
int main(){
	int n,a,l=1,c=1;
	cin>>n;
	for(int i=0;i<n;i++){
		scanf("%d",&a);
		t[a]=i;
	}
	for(int i=1;i<n;i++){
		if(t[i]<t[i+1])c++;
		else c=1;
		l=max(l,c);
	}
	cout<<n-z;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:17: error: 'z' was not declared in this scope
   17 |         cout<<n-z;
      |                 ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long int;
signed main() {
    int n, i, j, k;
    cin >> n;
    vector<int> v(n), place(n + 2);
    place[0] = -1;
    place[n + 1] = 1e9;
    for(i = 0; i < n; i++) {
        cin >> v[i];
        place[v[i]] = i;
    }
    vector<int> sum(n);
    sum[0] = v[0];
    for(i = 1; i < n; i++) {
        sum[i] = sum[i - 1] + v[i];
    }

    vector<int> snf(n), snb(n+1);
    snf[0] = 0;
    for(i = 1; i < n; i++) {
        if(place[v[i]] > place[v[i] + 1]) {
            snf[i] = v[i];
        }
        snf[i] = max(snf[i], snf[i - 1]);
    }
    snb[n] = 0;
    snb[n - 1] = 0;
    for(i = n - 2; i >= 0; i--) {
        if(place[v[i]] < place[v[i] - 1]) {
            snb[i] = n - v[i] + 1;
        }
        snb[i] = max(snb[i], snb[i - 1]);
    }

    /*for(i = 0; i < n; i++) {
        cout << snf[i] << " ";
    }
    cout << endl;
    for(i = 0; i < n; i++) {
        cout << snb[i] << " ";
    }
    cout << endl;*/
    int ret = 1e9;
    for(i = 0; i < n; i++) {
        if(2*sum[i]==(i+2)*(i+1)){
            ret = min(ret, snf[i] + snb[i + 1]);
        }
    }
    cout << ret << endl;
    return 0;
}

Compiler output:
a.cc:4:19: error: declaration does not declare anything [-fpermissive]
    4 | typedef long long int;
      |                   ^~~
Language: Java

import java.util.*;
class Main {
public static void main(String[] args)
    {
  		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int A = sc.nextIntArray(N);
        int[] rev =  new int[N+1];
        for (int i = 0; i < N; i++)
        {
            rev[A[i] ] = i;
        }
        int maxLen = 1;
        int len = 1;
        for (int i = 1; i < N; i++)
        {
            if(rev[i] < rev[i+1]){
                len++;
            }else{
                maxLen = Math.max(maxLen,  len);
                len = 1;
            }
        }
        maxLen = Math.max(maxLen,  len);
        int res = N - maxLen;
        System.out.println(res);
    }
}


Compiler output:
Main.java:7: error: cannot find symbol
        int A = sc.nextIntArray(N);
                  ^
  symbol:   method nextIntArray(int)
  location: variable sc of type Scanner
Main.java:11: error: array required, but int found
            rev[A[i] ] = i;
                 ^
2 errors
Language: Java

import java.util.*;
import java.io.*;
class Main {
public static void main(String[] args)
    {
  		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int A = sc.nextIntArray(N);
        int[] rev =  new int[N+1];
        for (int i = 0; i < N; i++)
        {
            rev[A[i] ] = i;
        }
        int maxLen = 1;
        int len = 1;
        for (int i = 1; i < N; i++)
        {
            if(rev[i] < rev[i+1]){
                len++;
            }else{
                maxLen = Math.max(maxLen,  len);
                len = 1;
            }
        }
        maxLen = Math.max(maxLen,  len);
        int res = N - maxLen;
        System.out.println(res);
    }
}


Compiler output:
Main.java:8: error: cannot find symbol
        int A = sc.nextIntArray(N);
                  ^
  symbol:   method nextIntArray(int)
  location: variable sc of type Scanner
Main.java:12: error: array required, but int found
            rev[A[i] ] = i;
                 ^
2 errors
Language: Java

import java.util.Scanner;
class Main {
public static void main(String[] args)
    {
  		Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int A = sc.nextIntArray(N);
        int[] rev =  new int[N+1];
        for (int i = 0; i < N; i++)
        {
            rev[A[i] ] = i;
        }
        int maxLen = 1;
        int len = 1;
        for (int i = 1; i < N; i++)
        {
            if(rev[i] < rev[i+1]){
                len++;
            }else{
                maxLen = Math.max(maxLen,  len);
                len = 1;
            }
        }
        maxLen = Math.max(maxLen,  len);
        int res = N - maxLen;
        System.out.println(res);
    }
}


Compiler output:
Main.java:7: error: cannot find symbol
        int A = sc.nextIntArray(N);
                  ^
  symbol:   method nextIntArray(int)
  location: variable sc of type Scanner
Main.java:11: error: array required, but int found
            rev[A[i] ] = i;
                 ^
2 errors
Language: Java

import java.util.Scanner;
class Main {
public static void main(String[] args)
    {
  		Scanner sc = new.Scanner(System.in);
        int N = sc.nextInt();
        int A = sc.nextIntArray(N);
        int[] rev =  new int[N+1];
        for (int i = 0; i < N; i++)
        {
            rev[A[i] ] = i;
        }
        int maxLen = 1;
        int len = 1;
        for (int i = 1; i < N; i++)
        {
            if(rev[i] < rev[i+1]){
                len++;
            }else{
                maxLen = Math.max(maxLen,  len);
                len = 1;
            }
        }
        maxLen = Math.max(maxLen,  len);
        int res = N - maxLen;
        System.out.println(res);
    }
}


Compiler output:
Main.java:5: error: <identifier> expected
  		Scanner sc = new.Scanner(System.in);
  		                ^
1 error
Language: Java

import java.util.scanner;
class Main {
public static void main(String[] args)
    {
        int N = sc.nextInt();
        int A = sc.nextIntArray(N);
        int[] rev =  new int[N+1];
        for (int i = 0; i < N; i++)
        {
            rev[A[i] ] = i;
        }
        int maxLen = 1;
        int len = 1;
        for (int i = 1; i < N; i++)
        {
            if(rev[i] < rev[i+1]){
                len++;
            }else{
                maxLen = Math.max(maxLen,  len);
                len = 1;
            }
        }
        maxLen = Math.max(maxLen,  len);
        int res = N - maxLen;
        System.out.println(res);
    }
}


Compiler output:
Main.java:1: error: cannot find symbol
import java.util.scanner;
                ^
  symbol:   class scanner
  location: package java.util
Main.java:5: error: cannot find symbol
        int N = sc.nextInt();
                ^
  symbol:   variable sc
  location: class Main
Main.java:6: error: cannot find symbol
        int A = sc.nextIntArray(N);
                ^
  symbol:   variable sc
  location: class Main
Main.java:10: error: array required, but int found
            rev[A[i] ] = i;
                 ^
4 errors
Language: Java

import java util.scanner;
class Main {
public static void main(String[] args)
    {
        int N = sc.nextInt();
        int A = sc.nextIntArray(N);
        int[] rev =  new int[N+1];
        for (int i = 0; i < N; i++)
        {
            rev[A[i] ] = i;
        }
        int maxLen = 1;
        int len = 1;
        for (int i = 1; i < N; i++)
        {
            if(rev[i] < rev[i+1]){
                len++;
            }else{
                maxLen = Math.max(maxLen,  len);
                len = 1;
            }
        }
        maxLen = Math.max(maxLen,  len);
        int res = N - maxLen;
        System.out.println(res);
    }
}


Compiler output:
Main.java:1: error: '.' expected
import java util.scanner;
           ^
1 error
Language: Java

class Main {
public static void main(String[] args)
    {
        N = sc.nextInt();
        A = sc.nextIntArray(N);
        int[] rev =  new int[N+1];
        for (int i = 0; i < N; i++)
        {
            rev[A[i] ] = i;
        }
        int maxLen = 1;
        int len = 1;
        for (int i = 1; i < N; i++)
        {
            if(rev[i] < rev[i+1]){
                len++;
            }else{
                maxLen = Math.max(maxLen,  len);
                len = 1;
            }
        }
        maxLen = Math.max(maxLen,  len);
        int res = N - maxLen;
        System.out.println(res);
    }
}

Compiler output:
Main.java:4: error: cannot find symbol
        N = sc.nextInt();
        ^
  symbol:   variable N
  location: class Main
Main.java:4: error: cannot find symbol
        N = sc.nextInt();
            ^
  symbol:   variable sc
  location: class Main
Main.java:5: error: cannot find symbol
        A = sc.nextIntArray(N);
        ^
  symbol:   variable A
  location: class Main
Main.java:5: error: cannot find symbol
        A = sc.nextIntArray(N);
                            ^
  symbol:   variable N
  location: class Main
Main.java:5: error: cannot find symbol
        A = sc.nextIntArray(N);
            ^
  symbol:   variable sc
  location: class Main
Main.java:6: error: cannot find symbol
        int[] rev =  new int[N+1];
                             ^
  symbol:   variable N
  location: class Main
Main.java:7: error: cannot find symbol
        for (int i = 0; i < N; i++)
                            ^
  symbol:   variable N
  location: class Main
Main.java:9: error: cannot find symbol
            rev[A[i] ] = i;
                ^
  symbol:   variable A
  location: class Main
Main.java:13: error: cannot find symbol
        for (int i = 1; i < N; i++)
                            ^
  symbol:   variable N
  location: class Main
Main.java:23: error: cannot find symbol
        int res = N - maxLen;
                  ^
  symbol:   variable N
  location: class Main
10 errors
Language: Java

public static void main(String[] args)
    {
        N = sc.nextInt();
        A = sc.nextIntArray(N);
        int[] rev =  new int[N+1];
        for (int i = 0; i < N; i++)
        {
            rev[A[i] ] = i;
        }
        int maxLen = 1;
        int len = 1;
        for (int i = 1; i < N; i++)
        {
            if(rev[i] < rev[i+1]){
                len++;
            }else{
                maxLen = Math.max(maxLen,  len);
                len = 1;
            }
        }
        maxLen = Math.max(maxLen,  len);
        int res = N - maxLen;
        System.out.println(res);
    }

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
public static void main(String[] args)
              ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class BackFront{
	
	public static void main(String[] args) throws NumberFormatException, IOException
	{
		new BackFront().run();
	}
	
	public void run() throws NumberFormatException, IOException
	{
		BufferedReader file = new BufferedReader(new InputStreamReader(System.in));
		int N = Integer.parseInt(file.readLine());
		boolean[] bools = new boolean[N+1];
		int[] ints = new int[N+1];
		int max = 0;
		for(int i = 0;i<N;i++)
		{
			int x = Integer.parseInt(file.readLine());
			bools[x] = true;
			if(bools[x-1])
				ints[x] = ints[x-1];
			else
				ints[x] = x;
			max = Math.max(max, x-ints[x]+1);
		}
		System.out.println(N - max);
	}
	
}


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

#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
const int INF=2*1e5+10;
int main(){
  int N;cin>>N;
  vi a;
  for int (i=0;i<N;++i){
    int a_;cin>>a_;a.push_back(a_-1);
  }

  int dp[N];
  int used[N];
  memset(dp, 0, sizeof(dp));
  memset(used, 0, sizeof(used));

  for (int i=0;i<N;++i){
    used[a[i]]=1;
    if (a[i]!=0||used[a[i]-1]==1){
      dp[a[i]]=dp[a[i]-1]+1;
    }else{
      dp[a[i]]=1;
    }
  }

  int ans=0;
  for (int i=0;i<N;++i){
    ans=max(ans, dp[i]);
  }
  cout << N-ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: expected '(' before 'int'
    8 |   for int (i=0;i<N;++i){
      |       ^~~
      |       (
a.cc:8:12: error: 'i' was not declared in this scope
    8 |   for int (i=0;i<N;++i){
      |            ^