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

#include <bits/stdc++.h>

using namespace std;

#define REP(i,m) for(int i=0; i<m; i++)
#define FOR(i,n,m) for(int i=n; i<m; i++)
#define INF 1000000007
#define INFL (1LL << 60)
#define MOD 998244353
#define ALL(v) v.begin(),v.end()
#define pb push_back
#define ll long long int
#define P pair<ll, ll>

int main(){
	int n, a, b;
	cin >> n >> a >> b;
  int p = 1<<n;
	int x = a^b;
	int bc = 0;
	REP(i, 20){
		if((x>>i)%2==1){
			bc++;
		}
	}
	if(bc%2 == 0){
		cout << "NO" << endl;
		return 0;
	}
	int grey[p];
	REP(i, p) grey[i] = i ^ (i >> 1);
	REP(i, (bc-1)/2){
		int x = p-1;
		while((grey[x]>>(2*i))%4 != 3 || (grey[x-1]>>(2*i))%4 != 2) x--;
		FOR(j, x, (1<<n)){
			if((grey[j]>>(2*i))%4==3||(grey[j]>>(2*i))%4==0){
				grey[j] = grey[j] ^ (3 << (2*i));
			}
		}
	}
	vector<int> back, front;
	REP(i, bc-1) back.pb(i);
	back.pb(n-1);
	REP(i, 20){
		if((x>>i)%2==1){
			front.pb(i);
		}
	}
	sort(ALL(front));
	REP(i, bc){
		if(front[i] != back[i]){
			REP(j, p){
				int b1 = (grey[j]>>front[i])%2;
				int b2 = (grey[j]>>back[i])%2;
				int b3 = b1^b2;
				grey[j] = grey[j] ^ (b3<<front[i]) ^ (b3<<back[i]);
			}
		}
	}
  cout << "YES" << endl;
	REP(i, p){
      int f = grey[i]^a;
      check[f] = true;
      cout << f;
		if(i == p-1) cout << endl;
		else printf(" ");
	}
	return 0;
} 


Compiler output:
a.cc: In function 'int main()':
a.cc:63:7: error: 'check' was not declared in this scope
   63 |       check[f] = true;
      |       ^~~~~
Language: Java

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

public class Main {

	static BufferedReader reader;
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		reader = new BufferedReader(new InputStreamReader(System.in));
		String[] s = readLine().split(" ");
		int N = Integer.parseInt(s[0]);
		int A = Integer.parseInt(s[1]);
		int B = Integer.parseInt(s[2]);
		boolean[] A_b = new boolean[N];
		boolean[] B_b = new boolean[N];
		int diff_cnt = 0;
		for(int i=0;i<N;i++){
			A_b[i] = ((A&bit(N-i-1))!=0);
			B_b[i] = ((B&bit(N-i-1))!=0);
			if(A_b[i]!=B_b[i]){diff_cnt++;}
		}
		print_success("NO");
}

Compiler output:
Main.java:24: error: reached end of file while parsing
}
 ^
1 error
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

int popcount(int a){
    return __builtin_popcount(a);
}

const int N = 17;
const int M = (1 << N);
int deg[M];
bool vis[M];
vector<int> T[M];

vector<int> ans;
int n, a, b;
void dfs(int u){
    ans.push_back(u);
    vis[u] = true;
    int mxdeg = -1;
    int id = 0;
    for(auto x : T[u]){
        if(vis[x]){
            continue;
        }
        if(x==b)
            continue;
        if(deg[x] > mxdeg){
            mxdeg = deg[x];
            id = x;
        }
    }
    if(!vis[id]){
        deg[id] -- ;
        dfs(id);
    }
}

int main(){
    fastIO;
    cin >> n >> a >> b;
    int fn, sn;
    for(int i = 0 ; i < (1<<n) ; i ++ ){
        for(int j = 0 ; j < n ; j ++ ){
            fn = i;
            sn = (i ^ (1 << j));
            T[fn].push_back(sn);
            ideg[sn] ++ ;
        }
    }
    dfs(a);
    ans.push_back(b);
    if(ans.size() == (1<<n)){
        cout << "YES\n";
        for(auto x : ans)
            cout << x << " ";
    }
    else{
        cout << "NO\n";
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:56:13: error: 'ideg' was not declared in this scope; did you mean 'deg'?
   56 |             ideg[sn] ++ ;
      |             ^~~~
      |             deg
Language: C++

#include<cstdio>
#include<cstring>
#include<algorithm>
#include<cmath>
#define SF scanf
#define PF printf
#define MAXN 200010
#define MOD 1000000007
using namespace std;
int n,a,b; 
vector<int> p0,p1,ans;
void add(int x){
	ans.push_back(x);
}
void solve(int x){
	if(x==int(p0.size()))
		return ;
	solve(x+1);
	add(p0[x]);
	solve(x+1);
}
int main(){
	SF("%d%d%d",&n,&a,&b);
	int t=a^b;
	for(int i=0;i<n;i++){
		if(t&(1<<i))
			p1.push_back(i);
		else
			p0.push_back(i);
	}
	if(p1.size()!=1){
		PF("NO");	
		return 0;
	}
	PF("YES\n");
	solve(0);
	add(p1[0]);
	solve(0);
	int now=a;
	for(int i=0;i<int(ans.size());i++){
		PF("%d ",now);
		now^=(1<<ans[i]);
	}
	PF("%d",now);
}

Compiler output:
a.cc:11:1: error: 'vector' does not name a type
   11 | vector<int> p0,p1,ans;
      | ^~~~~~
a.cc: In function 'void add(int)':
a.cc:13:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |         ans.push_back(x);
      |         ^~~
      |         abs
a.cc: In function 'void solve(int)':
a.cc:16:19: error: 'p0' was not declared in this scope; did you mean 'y0'?
   16 |         if(x==int(p0.size()))
      |                   ^~
      |                   y0
a.cc:19:13: error: 'p0' was not declared in this scope; did you mean 'y0'?
   19 |         add(p0[x]);
      |             ^~
      |             y0
a.cc: In function 'int main()':
a.cc:27:25: error: 'p1' was not declared in this scope; did you mean 'y1'?
   27 |                         p1.push_back(i);
      |                         ^~
      |                         y1
a.cc:29:25: error: 'p0' was not declared in this scope; did you mean 'y0'?
   29 |                         p0.push_back(i);
      |                         ^~
      |                         y0
a.cc:31:12: error: 'p1' was not declared in this scope; did you mean 'y1'?
   31 |         if(p1.size()!=1){
      |            ^~
      |            y1
a.cc:37:13: error: 'p1' was not declared in this scope; did you mean 'y1'?
   37 |         add(p1[0]);
      |             ^~
      |             y1
a.cc:40:27: error: 'ans' was not declared in this scope; did you mean 'abs'?
   40 |         for(int i=0;i<int(ans.size());i++){
      |                           ^~~
      |                           abs
Language: C++

#include <iostream>

int main(void){
  cout << "NO" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    4 |   cout << "NO" << endl;
      |   ^~~~
      |   std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:4:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    4 |   cout << "NO" << endl;
      |                   ^~~~
      |                   std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

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

#define rep(p,q) for(int i = p;i < q;i++)

using namespace std;

//C
int main(void) {
	int n, a, b;
	cin >> n >> a >> b;
	bool invert[18];
	rep(0, 18)invert[i] = false;
	int invCount = 0;
	rep(0, n) {
		if ((a&(1 << i)) != (b&(1 << i))) {
			invert[i] = true;
			invCount++;
		}
	}
	if (invCount % 2 == 1) {
		int index = 0;
		long ans = a;
		bool isFinished = false;
		cout << "YES" << endl;
		long long count = pow(2, n);
		rep(0, count) {
			if (i == 0) cout << a;
			else {
				cout << " ";
				if (isFinished) {
					ans = ans ^ 1;
					cout << ans;
				}
				else {
					while (index < n && !invert[index]) index++;
					ans = ans ^ (1 << index);
					cout << ans;
					if (ans == b)isFinished = true;
					index++;
				}
				
				
			}
		}
		cout << endl;
	}
	else {
		cout << "NO" << endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:35: error: 'pow' was not declared in this scope
   28 |                 long long count = pow(2, n);
      |                                   ^~~
Language: C++

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

#define rep(p,q) for(int i = p;i < q;i++)

using namespace std;

//C
int main(void) {
	int n, a, b;
	cin >> n >> a >> b;
	bool invert[18];
	rep(0, 18)invert[i] = false;
	int invCount = 0;
	rep(0, n) {
		if ((a&(1 << i)) != (b&(1 << i))) {
			invert[i] = true;
			invCount++;
		}
	}
	if (invCount % 2 == 1) {
		int index = 0;
		long ans = a;
		bool isFinished = false;
		cout << "YES" << endl;
		rep(0, pow(2, n)) {
			if (i == 0) cout << a;
			else {
				cout << " ";
				if (isFinished) {
					ans = ans ^ 1;
					cout << ans;
				}
				else {
					while (index < n && !invert[index]) index++;
					ans = ans ^ (1 << index);
					cout << ans;
					if (ans == b)isFinished = true;
					index++;
				}
				
				
			}
		}
		cout << endl;
	}
	else {
		cout << "NO" << endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:24: error: 'pow' was not declared in this scope
   28 |                 rep(0, pow(2, n)) {
      |                        ^~~
a.cc:6:36: note: in definition of macro 'rep'
    6 | #define rep(p,q) for(int i = p;i < q;i++)
      |                                    ^
Language: C++

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
const int MAXN=(1<<17)+5;
bool vis[MAXN];
int n,A,B;
int main()
{
  printf("NO\n");
  return 0；
	scanf("%d %d %d",&n,&A,&B);
	int C=A^B;
	int cnt=0;
	while(C)
	{
		if(C&1)
			cnt++;
		C>>=1;
	}
	if((cnt&1)==0)
	{
		printf("NO\n");
		return 0;
	}
	printf("YES\n");
	cnt=1;
	int now=A;
	printf("%d ",now);
	vis[A]=1;
	vis[B]=1;
	while(1)
	{
		int key=0;
		for(int i=0;i<n;i++)
		{
			if(vis[now^(1<<i)]==0)
			{
				now^=(1<<i);
				vis[now]=1;
				key=1;
				break;
			}
		}
		if(key==0)
			break;
		cnt++;
		printf("%d ",now);
	}
	printf("%d\n",B);
	if(cnt!=(1<<n)-1)
		while(cnt++)
			cnt--;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:10: error: unable to find numeric literal operator 'operator""\U0000ff1b'
   11 |   return 0；
      |          ^~~
a.cc:11:13: error: expected ';' before 'scanf'
   11 |   return 0；
      |             ^
      |             ;
   12 |         scanf("%d %d %d",&n,&A,&B);
      |         ~~~~~
Language: C++

#include <bits/stdc++.h>
/*
#include<algorithm>
#include<array>
#include<cassert>
#include<cmath>
#include<cstdlib>
#include<functional>
#include<iomanip>
#include<iostream>
#include<map>
#include<numeric>
#include<queue>
#include<set>
#include<stack>
#include<string>
#include<typeinfo>
#include<utility>
#include<vector>
*/
#define int long long int
#define double long double
using namespace std;
#define MOD 1000000007
#define INF 1000000000000000007
const int MAX_N = 1 << 17;
#define rep(i, n) for (int(i) = 0, i##_len = (n); (i) < i##_len; (i)++)
#define reps(i, x) for (int(i) = 1; (i) <= (int)(x); (i)++)
#define rrep(i, x) for (int(i) = ((int)(x)-1); (i) >= 0; (i)--)
#define rreps(i, x) for (int(i) = ((int)(x)); (i) > 0; (i)--)
#define FOR(i, a, b) for (int(i) = (a); (i) < (b); (i)++)
#define pb push_back
#define mp make_pair
#define bit(n) ((int)(1) << (n))
#define all(x) (x).begin(), (x).end()
#define debug(x) std::cout << #x << ": " << (x) << std::endl
#define nint int
using namespace std;

int dy[] = {0, 0, 1, -1, 0};
int dx[] = {1, -1, 0, 0, 0};
typedef pair<int, int> pii;
typedef pair<double, double> dop;
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;
}
int gcd(int a, int b) { return b ? gcd(b, a % b) : a; }
struct aaa {
    aaa()
    {
        cin.tie(0);
        ios::sync_with_stdio(0);
        cout << fixed << setprecision(20);
    };
} aaaaaaa;


signed main()
{
    int n, a, b;
    cin >> n >> a >> b;
    std::vector<int> out;
    int check = (a ^ b);
    int count = 0;
    for (int i = 0; i < n; i++) {
        if (check & (1 << i)) {
            count++;
        }
        if (count > 1) {
            cout << "NO" << endl;
            return 0;
        }
    }
    cout << "YES" << endl;
    out.pb(a);
    std::map<int, int> prev;
    prev[a] = 1;
    prev[b] = 1;
    int pr = a;
    cout << a << " ";
    for (int i = 0; i < pow(2, n) - 1; i++) {
        int i = 0;
        while (1) {
            if (prev.count(pr ^ (1 << i)) == 0) {
                prev[pr ^ (1 << i)] = 1;
                cout << (pr ^ (1 << i)) << " ";
                pr = pr ^ (1 << i);
                break;
            }
            i++;
        }
    }
    cout << b << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:97:13: error: redeclaration of 'long long int i'
   97 |         int i = 0;
      |             ^
a.cc:96:14: note: 'long long int i' previously declared here
   96 |     for (int i = 0; i < pow(2, n) - 1; i++) {
      |              ^
Language: C++

#define _CRT_SECURE_NO_WARNINGS
#pragma comment(linker, "/STACK:256000000")
#define _USE_MATH_DEFINES
#include<iostream>
#include<vector>
#include<string>
#include<stack>
#include<algorithm>
#include<cmath>
#include<set>
#include<queue>
#include<sstream>
#include<utility>
#include<map>
#include<ctime>
#include<cstdio>
#include<cassert>
#include<functional>




using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef pair<char, char> pcc;
typedef pair<double, double> pdd;

#define show(x) cerr << x
#define debug(x) show(#x << ": " << (x) << endl)

const long double PI = 3.14159265358979323846;
const long double eps = 1e-5;
const int INF = numeric_limits<int>::max();
const ll LINF = numeric_limits<ll>::max();
const ll mod = 1000 * 1000 * 1000 + 7;

int ones(unsigned int x) {
    return __pop_count(x);
}

vector<int> res;


void solve(int n, int a, int b, int st, int e) {
    if (n == 1) {
        res[st] = a;
        res[st + 1] = b;
        return;
    }
    int id = 0;
    int c = a ^ b;
    while (!(c & 1)) {
        c /= 2;
        ++id;
    }
    a = (a & ((1 << id) - 1)) + ((a >> (id + 1)) << id);
    b = (b & ((1 << id) - 1)) + ((b >> (id + 1)) << id);
    int m = (st + e) / 2;
    solve(n - 1, a, a ^ 1, st, m);
    solve(n - 1, a ^ 1, b, m, e);
    c = (a >> id) & 1;
    for (int i = st; i < m; ++i) {
        res[i] = (res[i] & ((1 << id) - 1)) + ((res[i] >> id) << (id + 1)) + (c << id);

    }
    c ^= 1;
    for (int i = m; i < e; ++i) {
        res[i] = (res[i] & ((1 << id) - 1)) + ((res[i] >> id) << (id + 1)) + (c << id);
    }

}

void solve() {
    int n, a, b;
    cin >> n >> a >> b;
    int x = ones(a ^ b);

    if (x % 2 == 0) {
        cout << "NO\n";
        return;
    }
    int up = 1 << n;
    res.resize(up);
    
    cout << "YES\n";
    solve(n, a, b, 0, up);
    for (int i = 0; i < up; ++i) {

        cout << res[i] << " ";
    }
    cout << endl;


    

}

//#define LOCAL

int main() {
    ios_base::sync_with_stdio(0);cin.tie(nullptr);cout.tie(nullptr);
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
#endif
    solve();


#ifdef LOCAL
    cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
#endif	
    return 0;
}


Compiler output:
a.cc: In function 'int ones(unsigned int)':
a.cc:44:12: error: '__pop_count' was not declared in this scope
   44 |     return __pop_count(x);
      |            ^~~~~~~~~~~
Language: C++

#include<iostream>
int main(){
  long long a,b,c;
  cin>>a>>b>>c;
  cout<<"NO"<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   cin>>a>>b>>c;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:5:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    5 |   cout<<"NO"<<endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:5:15: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    5 |   cout<<"NO"<<endl;
      |               ^~~~
      |               std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <algorithm>
#include <bitset>
#include <cassert>
#include <chrono>
#include <climits>
#include <cmath>
#include <complex>
#include <cstring>
#include <deque>
#include <functional>
#include <iostream>
#include <iomanip>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <cstdint>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pii;
#define MP make_pair
#define PB push_back
#define inf 1000000007
#define mod 1000000007
#define rep(i,n) for(int i = 0; i < (int)(n); ++i)
#define all(x) (x).begin(),(x).end()

template<typename A, size_t N, typename T>
void Fill(A (&array)[N], const T &val){
    std::fill( (T*)array, (T*)(array+N), val );
}
 
template<class T> inline bool chmax(T &a, T b){
    if(a<b){
        a = b;
        return true;
    }
    return false;
}

template<class T> inline bool chmin(T &a, T b){
    if(a>b){
        a = b;
        return true;
    }
    return false;
}

vector<int> inv(vector<int>&a){
    vector<int>b(a.size());
    rep(i,a.size()){
        b[a[i]] = i;
    }
    return b;
}

vector<int> mul(vector<int>&a,vector<int>&b){
    int n = a.size();
    vector<int> res(n);
    vector<int> ib = inv(b);
    rep(i,n){
        res[ib[i]] = a[i];
    }
    return res;
}
vector<int> calc(vector<int>a,int k){

    if(k==0){
        int n = a.size();
        vector<int> res(n);
        rep(i,n){
            res[i] = i;
        }
        return res;
    }
    if(k==1){
        return a;
    }
    if(k%2==0){
        vector<int> tmp = calc(a,k/2);
        return mul(tmp,tmp);
    }else{
        vector<int> tmp = calc(a,k/2);
        tmp = mul(tmp,tmp);
        return mul(a,tmp);
    }
}
int main(){
    int n,k;
    cin >> n >> k;
    vector<int>p(n),q(n);
    rep(i,n){
        cin >> p[i];
        p[i]--;
    }
    rep(i,n){
        cin >> q[i];
        q[i]--;
    }
    k--;
    int c = k/6;
    int d = k%6;
    vector<int> a,b;
    if(d==0){
        b = p;
    }else if(d==1){
        b = q;
    }else if(d==2){
        vector<int> tmp = inv(p);
        b = mul(q,tmp);
    }else if(d==3){ 
        b = inv(p);
    }else if(d==4){
        b = inv(q);
    }else if(d==5){
        vector<int> tmp = inv(q);
        b = mul(tmp,p);
    }
    vector<int> ip,iq;
    ip = inv(p);
    iq = inv(q);
    a = mul(q,ip);
    a = mul(a,iq);
    a = mul(a,p);
    a = calc(a,c);
    if(d >= 3){
        a = mul(a,q);
        a = mul(a,ip);
    }
    vector<int> ia = inv(a);
    vector<int> T = mul(a,b);
    vector<int>res = mul(T,ia);
    srep(i,n){
        cout << res[i]+1 << " ";
    }
    cout << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:140:10: error: 'i' was not declared in this scope
  140 |     srep(i,n){
      |          ^
a.cc:140:5: error: 'srep' was not declared in this scope; did you mean 'rep'?
  140 |     srep(i,n){
      |     ^~~~
      |     rep
Language: C++

Permutation operator * (Permutation p1,Permutation p2){
	Permutation res;
	for(int i=1;i<=n;i++) res[i]=p1[p2[i]];
	return res;
}
Permutation fp(Permutation a,int k){
	Permutation res;
	for(int i=1;i<=n;i++) res[i]=i;
	for(;k;k>>=1,a=a*a)
		if(k&1) res=a*res;
	return res;
}
int main(){
	read(n);read(k);
	P.init();
	Q.init();
	Permutation ans,res,f[10];
	res=Q*inv(P)*inv(Q)*P;
	f[1]=P;f[2]=Q;
	for(int i=3;i<=6;i++) f[i]=f[i-1]*inv(f[i-2]);
	ans=fp(res,(k-1)/6)*f[(k-1)%6+1]*fp(inv(res),(k-1)/6);
	for(int i=1;i<=n;i++)
		cout<<ans[i]<<' ';
	cout<<'\n';
	return 0;
}


Compiler output:
a.cc:1:1: error: 'Permutation' does not name a type
    1 | Permutation operator * (Permutation p1,Permutation p2){
      | ^~~~~~~~~~~
a.cc:6:1: error: 'Permutation' does not name a type
    6 | Permutation fp(Permutation a,int k){
      | ^~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:14:14: error: 'n' was not declared in this scope
   14 |         read(n);read(k);
      |              ^
a.cc:14:9: error: 'read' was not declared in this scope
   14 |         read(n);read(k);
      |         ^~~~
a.cc:14:22: error: 'k' was not declared in this scope
   14 |         read(n);read(k);
      |                      ^
a.cc:15:9: error: 'P' was not declared in this scope
   15 |         P.init();
      |         ^
a.cc:16:9: error: 'Q' was not declared in this scope
   16 |         Q.init();
      |         ^
a.cc:17:9: error: 'Permutation' was not declared in this scope
   17 |         Permutation ans,res,f[10];
      |         ^~~~~~~~~~~
a.cc:18:9: error: 'res' was not declared in this scope
   18 |         res=Q*inv(P)*inv(Q)*P;
      |         ^~~
a.cc:18:15: error: 'inv' was not declared in this scope; did you mean 'int'?
   18 |         res=Q*inv(P)*inv(Q)*P;
      |               ^~~
      |               int
a.cc:19:9: error: 'f' was not declared in this scope
   19 |         f[1]=P;f[2]=Q;
      |         ^
a.cc:21:9: error: 'ans' was not declared in this scope
   21 |         ans=fp(res,(k-1)/6)*f[(k-1)%6+1]*fp(inv(res),(k-1)/6);
      |         ^~~
a.cc:21:13: error: 'fp' was not declared in this scope
   21 |         ans=fp(res,(k-1)/6)*f[(k-1)%6+1]*fp(inv(res),(k-1)/6);
      |             ^~
a.cc:23:17: error: 'cout' was not declared in this scope
   23 |                 cout<<ans[i]<<' ';
      |                 ^~~~
a.cc:24:9: error: 'cout' was not declared in this scope
   24 |         cout<<'\n';
      |         ^~~~
Language: C++

#include <stdio.h>
#include <algorithm>
#include <vector>
using namespace std;

vector<int> apply(vector<int> &a, vector<int> &b)
{
	vector<int> r(a.size());

	for (int i = 0; i < b.size(); i++) r[i] = a[b[i]];

	return r;
}

vector<int> pow(vector<int> &a, int k)
{
	vector<int> r(a.size());

	if (k == 0){
		for (int i = 0; i < a.size(); i++) r[i] = i;
	}
	else{
		auto h = pow(a, k / 2);
		r = apply(h, h);
		if (k % 2){
			for (int i = 0; i < r.size(); i++) r[i] = a[r[i]];
		}
	}

	return r;
}


int main()
{
	int N, K; scanf ("%d %d", &N, &K);
	vector<int> p(N), q(N), P(N), Q(N);
	for (int i = 0; i < N; i++){
		scanf ("%d", &p[i]); p[i]--;
		P[p[i]] = i;
	}
	for (int i = 0; i < N; i++){
		scanf ("%d", &q[i]); q[i]--;
		Q[q[i]] = i;
	}

	vector<int> r;
	if (K == 1) r = p;
	else{
		int u = (K - 2) / 6;
		vector<int> X = pow(apply(P, apply(q, apply(p, Q))), u);

		vector<int> C;

		if (K % 6 == 0) C = apply(p, Q);
		if (K % 6 == 1) C = apply(q, apply(p, Q));
		if (K % 6 == 2) C = q;
		if (K % 6 == 3) C = apply(q, P);
		if (K % 6 == 4) C = apply(q, apply(P, Q));
		if (K % 6 == 5) C = Q;

		int v = (K + 1) / 6;
		vector<int> Y = pow(apply(q, apply(P, apply(Q, p))), v);

		r = apply(Y, apply(C, X));
	}

	for (int i = 0; i < N; i++) printf ("%d%c", r[i] + 1, i + 1 < N ? ' ' : '\n');

	return 0;
}

Compiler output:
In file included from /usr/include/c++/14/bits/stl_pair.h:62,
                 from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/algorithm:60,
                 from a.cc:2:
/usr/include/c++/14/bits/utility.h: In instantiation of 'constexpr const std::size_t std::tuple_size_v<std::vector<int> >':
/usr/include/c++/14/tuple:2937:24:   required from 'constexpr decltype(auto) std::apply(_Fn&&, _Tuple&&) [with _Fn = vector<int>&; _Tuple = vector<int>]'
 2937 |         = make_index_sequence<tuple_size_v<remove_reference_t<_Tuple>>>;
      |                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:51:37:   required from here
   51 |                 vector<int> X = pow(apply(P, apply(q, apply(p, Q))), u);
      |                                              ~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/utility.h:75:61: error: incomplete type 'std::tuple_size<std::vector<int> >' used in nested name specifier
   75 |     inline constexpr size_t tuple_size_v = tuple_size<_Tp>::value;
      |                                                             ^~~~~
Language: C++

#include <stdio.h>
#include <algorithm>
#include <vector>
using namespace std;

vector<int>& apply(vector<int> &a, vector<int> &b)
{
	vector<int> r(a.size());

	for (int i = 0; i < b.size(); i++) r[i] = a[b[i]];

	return move(r);
}

vector<int>& pow(vector<int> &a, int k)
{
	vector<int> r(a.size());

	if (k == 0){
		for (int i = 0; i < a.size(); i++) r[i] = i;
	}
	else{
		auto h = pow(a, k / 2);
		r = apply(h, h);
		if (k % 2){
			for (int i = 0; i < r.size(); i++) r[i] = a[r[i]];
		}
	}

	return move(r);
}


int main()
{
	int N, K; scanf ("%d %d", &N, &K);
	vector<int> p(N), q(N), P(N), Q(N);
	for (int i = 0; i < N; i++){
		scanf ("%d", &p[i]); p[i]--;
		P[p[i]] = i;
	}
	for (int i = 0; i < N; i++){
		scanf ("%d", &q[i]); q[i]--;
		Q[q[i]] = i;
	}

	vector<int> r;
	if (K == 1) r = p;
	else{
		int u = (K - 2) / 6;
		vector<int> X = pow(apply(P, apply(q, apply(p, Q))), u);

		vector<int> C;

		if (K % 6 == 0) C = apply(p, Q);
		if (K % 6 == 1) C = apply(q, apply(p, Q));
		if (K % 6 == 2) C = q;
		if (K % 6 == 3) C = apply(q, P);
		if (K % 6 == 4) C = apply(q, apply(P, Q));
		if (K % 6 == 5) C = Q;

		int v = (K + 1) / 6;
		vector<int> Y = pow(apply(q, apply(P, apply(Q, p))), v);

		r = apply(Y, apply(C, X));
	}

	for (int i = 0; i < N; i++) printf ("%d%c", r[i] + 1, i + 1 < N ? ' ' : '\n');

	return 0;
}

Compiler output:
a.cc: In function 'std::vector<int>& apply(std::vector<int>&, std::vector<int>&)':
a.cc:12:20: error: cannot bind non-const lvalue reference of type 'std::vector<int>&' to an rvalue of type 'std::remove_reference<std::vector<int>&>::type' {aka 'std::vector<int>'}
   12 |         return move(r);
      |                ~~~~^~~
a.cc: In function 'std::vector<int>& pow(std::vector<int>&, int)':
a.cc:30:20: error: cannot bind non-const lvalue reference of type 'std::vector<int>&' to an rvalue of type 'std::remove_reference<std::vector<int>&>::type' {aka 'std::vector<int>'}
   30 |         return move(r);
      |                ~~~~^~~
Language: C++

#include <stdio.h>
#include <algorithm>
#include <vector>
using namespace std;

vector<int> apply(vector<int> &a, vector<int> &b)
{
	vector<int> r(a.size());

	for (int i = 0; i < b.size(); i++) r[i] = a[b[i]];

	return move(r);
}

vector<int> pow(vector<int> &a, int k)
{
	vector<int> r(a.size());

	if (k == 0){
		for (int i = 0; i < a.size(); i++) r[i] = i;
	}
	else{
		auto h = pow(a, k / 2);
		r = apply(h, h);
		if (k % 2){
			for (int i = 0; i < r.size(); i++) r[i] = a[r[i]];
		}
	}

	return move(r);
}


int main()
{
	int N, K; scanf ("%d %d", &N, &K);
	vector<int> p(N), q(N), P(N), Q(N);
	for (int i = 0; i < N; i++){
		scanf ("%d", &p[i]); p[i]--;
		P[p[i]] = i;
	}
	for (int i = 0; i < N; i++){
		scanf ("%d", &q[i]); q[i]--;
		Q[q[i]] = i;
	}

	vector<int> r;
	if (K == 1) r = p;
	else{
		int u = (K - 2) / 6;
		vector<int> X = pow(apply(P, apply(q, apply(p, Q))), u);

		vector<int> C;

		if (K % 6 == 0) C = apply(p, Q);
		if (K % 6 == 1) C = apply(q, apply(p, Q));
		if (K % 6 == 2) C = q;
		if (K % 6 == 3) C = apply(q, P);
		if (K % 6 == 4) C = apply(q, apply(P, Q));
		if (K % 6 == 5) C = Q;

		int v = (K + 1) / 6;
		vector<int> Y = pow(apply(q, apply(P, apply(Q, p))), v);

		r = apply(Y, apply(C, X));
	}

	for (int i = 0; i < N; i++) printf ("%d%c", r[i] + 1, i + 1 < N ? ' ' : '\n');

	return 0;
}

Compiler output:
In file included from /usr/include/c++/14/bits/stl_pair.h:62,
                 from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/algorithm:60,
                 from a.cc:2:
/usr/include/c++/14/bits/utility.h: In instantiation of 'constexpr const std::size_t std::tuple_size_v<std::vector<int> >':
/usr/include/c++/14/tuple:2937:24:   required from 'constexpr decltype(auto) std::apply(_Fn&&, _Tuple&&) [with _Fn = vector<int>&; _Tuple = vector<int>]'
 2937 |         = make_index_sequence<tuple_size_v<remove_reference_t<_Tuple>>>;
      |                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:51:37:   required from here
   51 |                 vector<int> X = pow(apply(P, apply(q, apply(p, Q))), u);
      |                                              ~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/utility.h:75:61: error: incomplete type 'std::tuple_size<std::vector<int> >' used in nested name specifier
   75 |     inline constexpr size_t tuple_size_v = tuple_size<_Tp>::value;
      |                                                             ^~~~~
Language: C++

#include<iosteam>
#include<vector>
using namespace std;
int main () {
  int N, K;
  cin >> N >> K;
  vector<vector<int>>per(6,vector<int>(N + 1));
  for (int i = 1; i <= N; i ++) {
    cin >> per[1][i];
    per[4][per[1][i]] = i;
  }
  for (int i = 1; i <= N; i ++) {
    cin >> per[2][i];
    per[5][per[2][i]] = i;
  }
  for (int i = 1; i <= N; i ++) {
    per[3][per[1][i]] = per[2][i];
  }
  for (int i = 1; i <= N; i ++) {
    per[0][per[3][i]] = i;
  }
  int ans = K % 6;
  for (int i = 1; i < N; i ++) {
    cout << per[ans][i] << ' ';
  }
  cout << per[ans][N] << endl;
}
  

Compiler output:
a.cc:1:9: fatal error: iosteam: No such file or directory
    1 | #include<iosteam>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for((i)=1;(i)<=(n);(i)++) 
using namespace std;
int n,m,i,j,px[85],py[85],pv[85],qa[85],qb[85],ans;
char qt[85];
int mix[85],miy[85],mxx[85],mxy[85];
struct edge{
	int y,z,d;
}e[2000005];
vector<int> adj[405];
int calc(int k){
	int i,j;
	rep(i,k){
		mix[i]=miy[i]=0;
		mxx[i]=mxy[i]=101;
	}
	rep(i,m){
		if(qb[i]<k){
			if(qt[i]=='L') mix[b[i]+1]=a[i]+1;
			if(qt[i]=='R') mxx[k-b[i]]=a[i]-1; 
			if(qt[i]=='D') mix[b[i]+1]=a[i]+1;
			if(qt[i]=='U') mxx[k-b[i]]=a[i]-1; 
		}
	}
}
int main(){
	cin>>n;
	rep(i,n){
		cin>>px[i]>>py[i]>>pv[i];
	}
	cin>>m;
	rep(i,m){
		cin>>qt[i]>>qa[i]>>qb[i];
	}
	rep(i,n){
		ans=max(ans,calc(i));
	}
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int calc(int)':
a.cc:19:44: error: 'b' was not declared in this scope
   19 |                         if(qt[i]=='L') mix[b[i]+1]=a[i]+1;
      |                                            ^
a.cc:19:52: error: 'a' was not declared in this scope
   19 |                         if(qt[i]=='L') mix[b[i]+1]=a[i]+1;
      |                                                    ^
a.cc:20:46: error: 'b' was not declared in this scope
   20 |                         if(qt[i]=='R') mxx[k-b[i]]=a[i]-1;
      |                                              ^
a.cc:20:52: error: 'a' was not declared in this scope
   20 |                         if(qt[i]=='R') mxx[k-b[i]]=a[i]-1;
      |                                                    ^
a.cc:21:44: error: 'b' was not declared in this scope
   21 |                         if(qt[i]=='D') mix[b[i]+1]=a[i]+1;
      |                                            ^
a.cc:21:52: error: 'a' was not declared in this scope
   21 |                         if(qt[i]=='D') mix[b[i]+1]=a[i]+1;
      |                                                    ^
a.cc:22:46: error: 'b' was not declared in this scope
   22 |                         if(qt[i]=='U') mxx[k-b[i]]=a[i]-1;
      |                                              ^
a.cc:22:52: error: 'a' was not declared in this scope
   22 |                         if(qt[i]=='U') mxx[k-b[i]]=a[i]-1;
      |                                                    ^
a.cc:25:1: warning: no return statement in function returning non-void [-Wreturn-type]
   25 | }
      | ^
Language: C++

#include<cstdio>
#include<cstring>
#include<algorithm>
#include<queue>
using namespace std;
int S=0,T;
int N;
struct edge{
	int s,t,cap;long long v;int nxt;
}e[50005];
int e_cnt,last[405];
void addedge(int u,int v,int cap,long long l){
	e[e_cnt]=(edge){u,v,cap,l,last[u]};
	last[u]=e_cnt++;
	e[e_cnt]=(edge){v,u,0,-l,last[v]};
	last[v]=e_cnt++;
}
long long d[405];int fa[405];
bool vis[405];
#define LIM -2e15
bool dij(){
	for(int i=0;i<=T;i++)d[i]=LIM;
	memset(vis,0,sizeof(vis));
	d[S]=0;
	for(int i=0;i<=T;i++){
		int x=-1;
		for(int j=0;j<=T;j++)if(!vis[j]&&(x==-1||d[j]>d[x]))x=j;
		if(x==-1)break;
		vis[x]=1;
		for(int i=last[x];i!=-1;i=e[i].nxt)if(!vis[e[i].t]&&e[i].cap&&d[e[i].t]<d[x]+e[i].v){
			assert(e[i].v<=0);
			d[e[i].t]=d[x]+e[i].v;
			fa[e[i].t]=i;
		}
	}
	return d[T]>LIM;
}
pair<int,long long> solve(){
	int flow=0;long long cost=0;long long r=0;
	while(dij()){
		flow++;
		int u=T;
		while(u!=S){
			e[fa[u]].cap=0;
			e[fa[u]^1].cap=1;
			u=e[fa[u]].s;
		}
		r+=d[T];
		cost+=r;
		for(int i=0;i<e_cnt;i++)e[i].v=d[e[i].s]+e[i].v-d[e[i].t];
	}
	return make_pair(flow,cost);
}
int x[85],y[85];long long v[85];
int t[325],a[325],b[325];
int L[85][2],R[85][2];
int main(){
	int n;
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d%d%lld",&x[i],&y[i],&v[i]);
	}
	int m;
	scanf("%d",&m);
	for(int i=1;i<=m;i++){
		char c=getchar();
		while(c<'A'||c>'Z')c=getchar();
		if(c=='L')t[i]=0;
		if(c=='R')t[i]=1;
		if(c=='D')t[i]=2;
		if(c=='U')t[i]=3;
		scanf("%d%d",&a[i],&b[i]);
	}
	long long ans=0;
	for(int supy=1;supy<=n;supy++){
		memset(R,63,sizeof(R));
		for(int j=1;j<=m;j++)if(b[j]<supy){
			if(t[j]&1)R[supy-b[j]][t[j]>>1]=min(R[supy-b[j]][t[j]>>1],a[j]-1);
			else L[b[j]+1][t[j]>>1]=max(L[b[j]+1][t[j]>>1],a[j]+1);
		}
		for(int i=2;i<=supy;i++)for(int j=0;j<2;j++)L[i][j]=max(L[i][j],L[i-1][j]);
		for(int i=supy-1;i>0;i--)for(int j=0;j<2;j++)R[i][j]=min(R[i][j],R[i+1][j]);
		// for(int i=1;i<=supy;i++)printf("%d %d\n",L[i][0],R[i][0]);
		// for(int i=1;i<=supy;i++)printf("%d %d\n",L[i][1],R[i][1]);
		T=2*supy+2*n+1;
		e_cnt=0;
		memset(last,-1,sizeof(last));
		for(int i=1;i<=supy;i++)addedge(S,i,1,0),addedge(i+supy,T,1,0);
		for(int i=1;i<=n;i++)addedge(i+2*supy,i+n+2*supy,1,v[i]-1e15);
		for(int i=1;i<=supy;i++)
			for(int j=1;j<=n;j++)if(x[j]>=L[i][0]&&x[j]<=R[i][0])addedge(i,j+2*supy,1,0);
		for(int i=1;i<=supy;i++)
			for(int j=1;j<=n;j++)if(y[j]>=L[i][1]&&y[j]<=R[i][1])addedge(j+n+2*supy,i+supy,1,0);
		pair<int,long long>res=solve();
		// printf("%d %d %lld\n",supy,res.first,res.second);
		res.second+=supy*1e15;
		if(res.first==supy)ans=max(ans,res.second);
	}
	printf("%lld\n",ans);
	return 0;
}

Compiler output:
a.cc: In function 'bool dij()':
a.cc:31:25: error: 'assert' was not declared in this scope
   31 |                         assert(e[i].v<=0);
      |                         ^~~~~~
a.cc:5:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    4 | #include<queue>
  +++ |+#include <cassert>
    5 | using namespace std;
Language: C++

//Zory-2019
#include<cmath>
#include<ctime>
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<map>
#include<set>
#include<queue>
#include<deque>
#include<stack>
#include<bitset>
#include<vector>
#include<algorithm>
#include<iostream>
#include<deque>
using namespace std;
namespace mine
{
	typedef long long ll;
	#define double long double
	const int INF=0x3f3f3f3f;
	const ll LLINF=0x3f3f3f3f3f3f3f3fll;
	ll qread()
	{
		ll ans=0;char c=getchar();int f=1;
		while(c<'0' or c>'9') {if(c=='-') f=-1;c=getchar();}
		while('0'<=c and c<='9') ans=ans*10+c-'0',c=getchar();
		return ans*f;
	}
	void write(ll num)
	{
		if(num<0) {num=-num;putchar('-');}
		if(num>9) write(num/10);
		putchar('0'+num%10);
	}
	void writeln(int num){write(num);puts("");}
	#define FR first
	#define SE second
	#define MP make_pair
	#define pr pair<int,int>
	#define PB push_back
	inline void chmax(ll &x,const ll y) {x=x>y?x:y;}
	inline void chmin(ll &x,const ll y) {x=x<y?x:y;}

	const int MAX_N=5e5+10;
	struct DSU
	{
		int fa[MAX_N];DSU(){for(int i=0;i<MAX_N;i++) fa[i]=i;}
		int findfa(int x) {return fa[x]=(x==fa[x]?x:findfa(fa[x]));}
		bool okay(int x,int y) {return findfa(x)==findfa(y);}
		void merg(int x,int y) {fa[findfa(x)]=findfa(y);}
	}dsu;
	int gcd(int x,int y) {return y==0?x:gcd(y,x%y);}
	struct Edge{int x,y,c;}e[MAX_N];
	int calc(int x,int a,int b){return 7*(x-1)+3*a+b;}
	void main()
	{
		int n,m,q,M;scanf("%d%d%d%d",&n,&m,&q,&M);int g=M;
		for(int i=1;i<=m;i++) scanf("%d%d%d",&e[i].x,&e[i].y,&e[i].c),g=gcd(g,abs(e[i].c-e[1].c));
		M=gcd(M,3*g);int z=e[1].c%g;
		assert(1==0);
	}
};
int main()
{
	// freopen("a.in","r",stdin);
	// freopen("a.out","w",stdout);
	srand(time(0));
	mine::main();
}


Compiler output:
a.cc: In function 'void mine::main()':
a.cc:62:17: error: 'assert' was not declared in this scope
   62 |                 assert(1==0);
      |                 ^~~~~~
a.cc:16:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
   15 | #include<iostream>
  +++ |+#include <cassert>
   16 | #include<deque>
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n, m, q;
	cin >> n >> m >> q;
	ll mod;
	cin >> mod;
	vector<vector<pair<int,ll>>> edges(n);
	int make3 = 0;
	if(mod % 3 != 0){
		make3 = 1;
		mod *= 3;
	}
	ll L = 0;
	for(int i = 0; i < m; i++){
		int a, b;
		ll c;
		cin >> a >> b >> c;
		if(make3) c *= 3;
		assert(0 <= c && c < mod);
		a--; b--;
		edges[a].push_back({b, c});
		edges[b].push_back({a, c});
		if(i == 0) L = c;
		mod = __gcd(abs(3 * (c - L)), mod);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'll' was not declared in this scope
    6 |         ll mod;
      |         ^~
a.cc:7:16: error: 'mod' was not declared in this scope; did you mean 'modf'?
    7 |         cin >> mod;
      |                ^~~
      |                modf
a.cc:8:34: error: template argument 1 is invalid
    8 |         vector<vector<pair<int,ll>>> edges(n);
      |                                  ^~
a.cc:8:34: error: template argument 2 is invalid
a.cc:8:36: error: template argument 1 is invalid
    8 |         vector<vector<pair<int,ll>>> edges(n);
      |                                    ^
a.cc:8:36: error: template argument 2 is invalid
a.cc:14:11: error: expected ';' before 'L'
   14 |         ll L = 0;
      |           ^~
      |           ;
a.cc:17:19: error: expected ';' before 'c'
   17 |                 ll c;
      |                   ^~
      |                   ;
a.cc:18:34: error: 'c' was not declared in this scope
   18 |                 cin >> a >> b >> c;
      |                                  ^
a.cc:22:22: error: invalid types 'int[int]' for array subscript
   22 |                 edges[a].push_back({b, c});
      |                      ^
a.cc:23:22: error: invalid types 'int[int]' for array subscript
   23 |                 edges[b].push_back({a, c});
      |                      ^
a.cc:24:28: error: 'L' was not declared in this scope
   24 |                 if(i == 0) L = c;
      |                            ^
a.cc:25:42: error: 'L' was not declared in this scope
   25 |                 mod = __gcd(abs(3 * (c - L)), mod);
      |                                          ^
Language: C

#include<stdio.h>
#include<conio.h>
int main()
{
    int H,W,h,w;
    scanf("%d%d%d%d",&H,&W,&h,&w);
    printf("%d",(H*W)-(W*h+w*w));
    return 0;
}



Compiler output:
main.c:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>

int main(void){
  int H,h,W,w;
  scanf("%d %d"&H,&W);
  scanf("%d %d"&h,&w);
  printf("%d\n",(H-h)*(W-w));
  return 0;
}
  

Compiler output:
main.c: In function 'main':
main.c:5:16: error: invalid operands to binary & (have 'char *' and 'int')
    5 |   scanf("%d %d"&H,&W);
      |         ~~~~~~~^
      |         |
      |         char *
main.c:6:16: error: invalid operands to binary & (have 'char *' and 'int')
    6 |   scanf("%d %d"&h,&w);
      |         ~~~~~~~^
      |         |
      |         char *
Language: C++

#include <bits/stdc++.h>

using namespace std;
 
//#define int long long
using ll = long long;
#define all(v) (v).begin(), (v).end()
#define rep(i,n) for(ll i=0;i<n;i++)
#define reps(i,n) for(ll i=0;i<=n;i++)


ll MOD = 1000000007;
const long long L_INF = 1LL << 60;
const int INF = 2147483647; // 2^31-1
const double PI = acos(-1);
 
const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};

int main(){
    ios_base::sync_with_stdio(false);
    ll h,w,ans=0;
    cin >> H >> W >> h >> w;
    cout << (H-h)*(W-w) << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:12: error: 'H' was not declared in this scope
   23 |     cin >> H >> W >> h >> w;
      |            ^
a.cc:23:17: error: 'W' was not declared in this scope
   23 |     cin >> H >> W >> h >> w;
      |                 ^
Language: C++

#include<iostream>
int main(){
int H,W,h,w;
  cin>>H>>W;
  cin>>h>>w;
  cout<<(H-h)*(W-w);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   cin>>H>>W;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |   cout<<(H-h)*(W-w);
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include<iostream.h>
int main(){
int H,W,h,w;
  cin>>H>>W;
  cin>>h>>w;
  cout<<(H-h)*(W-w);
  return 0;
}

Compiler output:
a.cc:1:9: fatal error: iostream.h: No such file or directory
    1 | #include<iostream.h>
      |         ^~~~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
 using namespace std ;
 int main()
{
 int A,B,a,b,c;
 cin>> A; 
 cin>>B;
 A-B==a;
 A+B==b;
 A*B==c;
 if((a>b)&&(a>c))
 {cout<< a<< endl;}
 if ((b>a)&&(b>c))
{cout << b<< endl;
}else 
{cout<<""<<endl
}
if  ((c>a)&&(c>b))
{cout << c<< endl;}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:16: error: expected ';' before '}' token
   16 | {cout<<""<<endl
      |                ^
      |                ;
   17 | }
      | ~
Language: Java

package abc121;

import java.util.Scanner;

public class WhiteCells {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int H, W, h, w;
		H = sc.nextInt();
		W = sc.nextInt();
		h = sc.nextInt();
		w = sc.nextInt();

		while (h > 0) {
			h--;
			H--;
		}

		while (w > 0) {
			w--;
			W--;
		}

		int ans = H*W;
		if (ans < 0) {
			System.out.println(0);
		} else {
			System.out.println(ans);
		}
	}

}


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

#include <bits/stdc++.h>

using namespace std;

int main ()
{  int  H,W,h,w ;
    cin >> H>>W>>h>>w ;
cout<<( H-h)*(W-w) ;
Return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:1: error: 'Return' was not declared in this scope
    9 | Return 0;
      | ^~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

Intmain ()
{  int  H,W,h,w ;
    cin >> H>>W>>h>>w ;
cout<<( H-h)*(W-w) ;
Return 0;
}

Compiler output:
a.cc:5:1: error: ISO C++ forbids declaration of 'Intmain' with no type [-fpermissive]
    5 | Intmain ()
      | ^~~~~~~
a.cc: In function 'int Intmain()':
a.cc:9:1: error: 'Return' was not declared in this scope
    9 | Return 0;
      | ^~~~~~
a.cc:10:1: warning: no return statement in function returning non-void [-Wreturn-type]
   10 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
itn main(){    
int R,C;
cin>>R>>C;  
int r,c;
cin>>r>>c;
int d = R - r;
int e = C - c;
cout<<d * e;
}

Compiler output:
a.cc:3:1: error: 'itn' does not name a type; did you mean 'int'?
    3 | itn main(){
      | ^~~
      | int
Language: C++

#include <algorithm>
#include <cstring>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <string>
#include <vector>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
using ll = long long;
using P = pair<int, int>;
const ll INF = 1001001001;

int main() {
  int h,w;
  cin>>h>>w;
  int x,y;
  cin>>x>>y;
  
  cout<< h*w-x*W-y*H+y*x;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:16: error: 'W' was not declared in this scope
   21 |   cout<< h*w-x*W-y*H+y*x;
      |                ^
a.cc:21:20: error: 'H' was not declared in this scope
   21 |   cout<< h*w-x*W-y*H+y*x;
      |                    ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a,b,c,d;
    cin>>a>>b>>c>>d;
    int ans = (c-a)*(d-b);
    cout<<ans<<endl;
    return 0;2 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:15: error: expected ';' before '}' token
    9 |     return 0;2
      |               ^
      |               ;
   10 | }
      | ~
Language: Java

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

int b= sc.nextInt(); int c= sc.nextInt(); int d= sc.nextInt();

System.out.println((c-a)*(d-b));
}}



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

#include<bits/stdc++/h>
using namespace std;
int main(){
  int H,W,h,w;
  cin >> H >> W >> h >> w;
  cout << H*W - h*W - H*w + max(h,w)<< endl;
}


Compiler output:
a.cc:1:9: fatal error: bits/stdc++/h: No such file or directory
    1 | #include<bits/stdc++/h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
  int H,W ; 
  int h ,w ; 
  
  cin >> H >> W ;
  cin >> h >> w ; 
  
  cout << (H-h)*(W-w) ; 
  
}

Compiler output:
a.cc:1:9: fatal error: bits/stdc++: No such file or directory
    1 | #include<bits/stdc++>
      |         ^~~~~~~~~~~~~
compilation terminated.
Language: C++

use proconio::input;
fn main() {    
    input!{
        H: i32,
        W: i32,
        h: i32,
        w: i32
    }
    let ans = H*W - W*h - H*w + (h*w);

    println!("{}", ans);

}


Compiler output:
a.cc:1:1: error: 'use' does not name a type
    1 | use proconio::input;
      | ^~~
a.cc:2:1: error: 'fn' does not name a type
    2 | fn main() {
      | ^~
Language: C++


#include<stdio.h>
#include<iostream>
#include<vector>
#include<math.h>
#include<queue>
#include<map>
#include<algorithm>
#include<string.h>
#include<functional>
#include<limits.h>
#include<stdlib.h>
#include<string>
#include<unordered_map>
using namespace std;
 
#define intmax INT_MAX
#define lmax LONG_MAX
#define uintmax UINT_MAX
#define ulmax ULONG_MAX
#define llmax LLONG_MAX
#define ll long long
#define rep(i,a,N) for((i)=(a);(i)<(N);(i)++)
#define rrp(i,N,a) for((i)=(N)-1;(i)>=(a);(i)--)
#define llfor ll i,j,k
#define sc(a) cin>>a
#define pr(a) cout<<a<<endl
#define pY puts("YES")
#define pN puts("NO")
#define py puts("Yes")
#define pn puts("No")
#define pnn printf("\n")
#define sort(a) sort(a.begin(),a.end())
#define push(a,b) (a).push_back(b)
#define llvec vector<vector<ll>>
#define charvec vector<vector<char>>
#define sizeoof(a,b) (a,vector<ll>(b))
#define llpvec vector<pair<ll,ll>>
/*繰り上げ除算*/ll cei(ll x,ll y){ll ans=x/y;if(x%y!=0)ans++;return ans;}
/*最大公約数*/ll gcd(ll x,ll y){return y?gcd(y,x%y):x;}
/*最小公倍数*/ll lcm(ll x,ll y){return x/gcd(x,y)*y;}
/*n乗*/ll llpow(ll x,ll n){ll i,ans=1;rep(i,0,n)ans*=x;return ans;}
/*階乗*/ll fact(ll x){ll i,ans=1;rep(i,0,x)ans*=(x-i);return ans;}
/*nCr*/ll ncr(ll n,ll r){return fact(n)/fact(r)/fact(n-r);}
/*nPr*/ll npr(ll n,ll r){return fact(n)/fact(n-r);}
/*primejudge*/bool prime(ll a){if(a<=1)return false;ll i;for(i=2;i*i<=a;i++){if(a%i==0)return false;}return true;}
ll ans=0;llfor;///////////////////////////////////////////////////////////
int main(){
  int A,B,C,D;
  cin A>>B>>C>>D;
  cout<<(A-C)*(B-D);
return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:50:6: error: expected ';' before 'A'
   50 |   cin A>>B>>C>>D;
      |      ^~
      |      ;