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

#include <bits/stdc++.h>

using namespace std;

int main() {
  int n;
  long long k;
  cin>>n>>k;
  vector<int>a(n);
  vector<int>f(n);
  for(int i=0;i<n;i++){
    cin>>a[i];
  }
  for(int i=0;i<n;i++){
    cin>>f[i];
  }
  sort(a.begin(),a.end());
  sort(f.rbegin(),f.rend());
  l=-1;
  h=10e12+5;
  while(l+1<r){
    long long mid=(l+h)/2;
    bool ok=[&](){
      long long s=0;
      for(int i=0;i<n;i++){
        s+=max(0ll,a[i]-c/f[i]);
      }
      return s<=k;
    }()
    if(ok){
      r=c;
    }else{
      l=c;
    }
  }
    cout<<r<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:3: error: 'l' was not declared in this scope
   19 |   l=-1;
      |   ^
a.cc:20:3: error: 'h' was not declared in this scope
   20 |   h=10e12+5;
      |   ^
a.cc:21:13: error: 'r' was not declared in this scope
   21 |   while(l+1<r){
      |             ^
a.cc: In lambda function:
a.cc:26:25: error: 'c' was not declared in this scope
   26 |         s+=max(0ll,a[i]-c/f[i]);
      |                         ^
a.cc: In function 'int main()':
a.cc:30:5: error: expected ',' or ';' before 'if'
   30 |     if(ok){
      |     ^~
a.cc:32:6: error: 'else' without a previous 'if'
   32 |     }else{
      |      ^~~~
a.cc:33:9: error: 'c' was not declared in this scope
   33 |       l=c;
      |         ^
a.cc:36:11: error: 'r' was not declared in this scope
   36 |     cout<<r<<endl;
      |           ^
Language: C++

#include <iostream>
#include <string>
#include <cstdlib>
#include <vector>
#include <array>
#include <map>
#include <set>
#include <algorithm>
#include <queue>
#include <stack>
#define _USE_MATH_DEFINES
#include <cmath>
#include <climits>
#include <cstdio>
#include <iomanip>
#include <utility>
#include <unordered_map>

using namespace std;
typedef long long int ll;

#define SP(x) setprecision((int)x)
#define ALL(v) v.begin(),v.end()

int main(int argc, char const *argv[])
{
    ll n, k;
    cin >> n >> k;
    vector<ll> a(n), f(n);
    for (ll i = 0; i < n; i++)
    {
        cin >> a[i];
    }
    for (ll i = 0; i < n; i++)
    {
        cin >> f[i];
    }
    sort(ALL(a));
    sort(ALL(f));

    vector<ll> m(n);
    for (ll i = 0; i < n; i++)
    {
        m[i] = a[i] * f[n - i - 1];
    }

    ll l = -1, r = *max_element(ALL(_m));
    ll mid;
    while (r - l > 1)
    {
        mid = (l + r) / 2;
        bool ok = false;
        ll temp_k = k;
        for (ll i = 0; i < n; i++)
        {
            if (m[i] > mid)
            {
                ll t;
                if ((m[i] - mid) % f[n - i - 1] == 0)
                {
                    t = (m[i] - mid) / f[n - i - 1];
                }
                else
                {
                    t = (m[i] - mid) / f[n - i - 1] + 1;
                }

                if(t > a[i])
                {
                    break;
                }

                ll cnt = t;
                temp_k -= cnt;
            }

            if (temp_k < 0)
            {
                break;
            }
            if (i == n - 1)
            {
                ok = true;
            }
        }
        
        if (ok)
        {
            r = mid; // mid + 1かも
        }
        else
        {
            l = mid;
        }
    }
    cout << mid << endl;
}

Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:47:37: error: '_m' was not declared in this scope; did you mean 'm'?
   47 |     ll l = -1, r = *max_element(ALL(_m));
      |                                     ^~
a.cc:23:16: note: in definition of macro 'ALL'
   23 | #define ALL(v) v.begin(),v.end()
      |                ^
Language: C++

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

#define rep(i,n) for(int i = 0; i < n; i++)

typedef long long ll;

using namespace std;

int INF = 1e9;

int main(){
  int n,k;
  cin >> n >> k;
  vector<int> a(n), f(n);
  rep(i,n) cin >> a[i];
  rep(i,n) cin >> f[i];

  sort(a.begin(), a.end());
  sort(f.begin(), b.end(), greater<int>);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:19: error: 'b' was not declared in this scope
   21 |   sort(f.begin(), b.end(), greater<int>);
      |                   ^
a.cc:21:40: error: expected primary-expression before ')' token
   21 |   sort(f.begin(), b.end(), greater<int>);
      |                                        ^
Language: C++

/*
  1   2   3   4   5   6   7   8   9  10
 10   9   8   7   6   5   4   3   2   1
 10  18  24  28  30  30  28  24  18  10
     28  52  80 110 140 168 192 210 220
*/
#include<vector>
#include<algorithm>
#include<cmath>
#include<iostream>
#include<cstdio>
using namespace std;
#define int long long
const int LINF=1e18;
int main(void){
	//N人の入力と修行の最大回数の入力
	int N,K;cin>>N>>K;
	//a[N]消化コストとf[N]（食べ物の食べにくさ
	vector<int> a(N),f(N);
	for(int i=0;i<N;i++)cin>>a[i];
	for(int i=0;i<N;i++)cin>>f[i];
	sort(a.begin(),a.end());
	sort(f.rbegin(),f.rend());
	int l=-1,r=LINF;
	while(r-l>1)
	{
		int m=(r+l)>>1;
		int cnt=0;
		for(int i=0;i<N;i++){
			if(a[i]*f[i]>m){
				cnt+=(a[i]*f[i]-m)/f[i];
				if((a[i]*f[i]-m)%f[i])cnt++;
			}
		}
		if(cnt>K)l=m;
		else r=m;
	}
	cout<<r<<endl;
	return 0;
}
/*
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int LINF=1e18;
 
signed main(){
  int N,K;cin>>N>>K;
  vector<int> a(N),f(N);
  for(int i=0;i<N;i++)cin>>a[i];
  for(int i=0;i<N;i++)cin>>f[i];
  sort(a.begin(),a.end());
  sort(f.rbegin(),f.rend());
  int l=-1,r=LINF;
  while(r-l>1){
    int m=(r+l)>>1;
    int cnt=0;
    for(int i=0;i<N;i++){
      if(a[i]*f[i]>m){
        cnt+=(a[i]*f[i]-m)/f[i];
        if((a[i]*f[i]-m)%f[i])cnt++;
      }
    }
    if(cnt>K)l=m;
    else r=m;
  }
  cout<<r<<endl;
}
*/

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

/*
  1   2   3   4   5   6   7   8   9  10
 10   9   8   7   6   5   4   3   2   1
 10  18  24  28  30  30  28  24  18  10
     28  52  80 110 140 168 192 210 220
*/
#incude<vector>
#include<algorithm>
#include<cmath>
#include<iostream>
#include<cstdio>
using namespace std;
#define int long long
const int LINF=1e18;
int main(void){
	//N人の入力と修行の最大回数の入力
	int N,K;cin>>N>>K;
	//a[N]消化コストとf[N]（食べ物の食べにくさ
	vector<int> a(N),f(N);
	for(int i=0;i<N;i++)cin>>a[i];
	for(int i=0;i<N;i++)cin>>f[i];
	sort(a.begin(),a.end());
	sort(f.rbegin(),f.rend());
	int l=-1,r=LINF;
	while(r-l>1)
	{
		int m=(r+l)>>1;
		int cnt=0;
		for(int i=0;i<N;i++){
			if(a[i]*f[i]>m){
				cnt+=(a[i]*f[i]-m)/f[i];
				if((a[i]*f[i]-m)%f[i])cnt++;
			}
		}
		if(cnt>K)l=m;
		else r=m;
	}
	cout<<r<<endl;
	return 0;
}
/*
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int LINF=1e18;
 
signed main(){
  int N,K;cin>>N>>K;
  vector<int> a(N),f(N);
  for(int i=0;i<N;i++)cin>>a[i];
  for(int i=0;i<N;i++)cin>>f[i];
  sort(a.begin(),a.end());
  sort(f.rbegin(),f.rend());
  int l=-1,r=LINF;
  while(r-l>1){
    int m=(r+l)>>1;
    int cnt=0;
    for(int i=0;i<N;i++){
      if(a[i]*f[i]>m){
        cnt+=(a[i]*f[i]-m)/f[i];
        if((a[i]*f[i]-m)%f[i])cnt++;
      }
    }
    if(cnt>K)l=m;
    else r=m;
  }
  cout<<r<<endl;
}
*/

Compiler output:
a.cc:7:2: error: invalid preprocessing directive #incude; did you mean #include?
    7 | #incude<vector>
      |  ^~~~~~
      |  include
cc1plus: error: '::main' must return 'int'
a.cc: In function 'int main()':
a.cc:19:9: error: 'vector' was not declared in this scope
   19 |         vector<int> a(N),f(N);
      |         ^~~~~~
a.cc:12:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
   11 | #include<cstdio>
  +++ |+#include <vector>
   12 | using namespace std;
a.cc:13:13: error: expected primary-expression before 'long'
   13 | #define int long long
      |             ^~~~
a.cc:19:16: note: in expansion of macro 'int'
   19 |         vector<int> a(N),f(N);
      |                ^~~
a.cc:20:34: error: 'a' was not declared in this scope
   20 |         for(int i=0;i<N;i++)cin>>a[i];
      |                                  ^
a.cc:21:34: error: 'f' was not declared in this scope
   21 |         for(int i=0;i<N;i++)cin>>f[i];
      |                                  ^
a.cc:22:14: error: 'a' was not declared in this scope
   22 |         sort(a.begin(),a.end());
      |              ^
a.cc:23:14: error: 'f' was not declared in this scope
   23 |         sort(f.rbegin(),f.rend());
      |              ^
Language: C++

/*
  1   2   3   4   5   6   7   8   9  10
 10   9   8   7   6   5   4   3   2   1
 10  18  24  28  30  30  28  24  18  10
     28  52  80 110 140 168 192 210 220
*/

#include<bits/stdc++.h>
using namespace std;
#define int long long
const int LINF=1e18;

int main(void){
	//N人の入力と修行の最大回数の入力
	int N,K;cin>>N>>K;
	//a[N]消化コストとf[N]（食べ物の食べにくさ
	vector<int> a(N),f(N);
	for(int i=0;i<N;i++)cin>>a[i];
	for(int i=0;i<N;i++)cin>>f[i];
	sort(a.begin(),a.end());
	sort(f.rbegin(),f.rend());
	int l=-1,r=LINF;
	while(r-l>1)
	{
		int m=(r+l)>>1;
		int cnt=0;
		for(int i=0;i<N;i++){
			if(a[i]*f[i]>m){
				cnt+=(a[i]*f[i]-m)/f[i];
				if((a[i]*f[i]-m)%f[i])cnt++;
			}
		}
		if(cnt>K)l=m;
		else r=m;
	}
	cout<<r<<endl;
	return 0;
}
/*
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int LINF=1e18;
 
signed main(){
  int N,K;cin>>N>>K;
  vector<int> a(N),f(N);
  for(int i=0;i<N;i++)cin>>a[i];
  for(int i=0;i<N;i++)cin>>f[i];
  sort(a.begin(),a.end());
  sort(f.rbegin(),f.rend());
  int l=-1,r=LINF;
  while(r-l>1){
    int m=(r+l)>>1;
    int cnt=0;
    for(int i=0;i<N;i++){
      if(a[i]*f[i]>m){
        cnt+=(a[i]*f[i]-m)/f[i];
        if((a[i]*f[i]-m)%f[i])cnt++;
      }
    }
    if(cnt>K)l=m;
    else r=m;
  }
  cout<<r<<endl;
}
*/

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

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int LINF=1e18;
 
#signed main(){
  int N,K;cin>>N>>K;
  vector<int> a(N),f(N);
  for(int i=0;i<N;i++)cin>>a[i];
  for(int i=0;i<N;i++)cin>>f[i];
  sort(a.begin(),a.end());
  sort(f.rbegin(),f.rend());
  int l=-1,r=LINF;
  while(r-l>1){
    int m=(r+l)>>1;
    int cnt=0;
    for(int i=0;i<N;i++){
      if(a[i]*f[i]>m){
        cnt+=(a[i]*f[i]-m)/f[i];
        if((a[i]*f[i]-m)%f[i])cnt++;
      }
    }
    if(cnt>K)l=m;
    else r=m;
  }
  cout<<r<<endl;
}

Compiler output:
a.cc:6:2: error: invalid preprocessing directive #signed
    6 | #signed main(){
      |  ^~~~~~
a.cc:7:11: error: 'cin' does not name a type
    7 |   int N,K;cin>>N>>K;
      |           ^~~
a.cc:9:3: error: expected unqualified-id before 'for'
    9 |   for(int i=0;i<N;i++)cin>>a[i];
      |   ^~~
a.cc:9:15: error: 'i' does not name a type
    9 |   for(int i=0;i<N;i++)cin>>a[i];
      |               ^
a.cc:9:19: error: 'i' does not name a type
    9 |   for(int i=0;i<N;i++)cin>>a[i];
      |                   ^
a.cc:10:3: error: expected unqualified-id before 'for'
   10 |   for(int i=0;i<N;i++)cin>>f[i];
      |   ^~~
a.cc:10:15: error: 'i' does not name a type
   10 |   for(int i=0;i<N;i++)cin>>f[i];
      |               ^
a.cc:10:19: error: 'i' does not name a type
   10 |   for(int i=0;i<N;i++)cin>>f[i];
      |                   ^
a.cc:11:7: error: expected constructor, destructor, or type conversion before '(' token
   11 |   sort(a.begin(),a.end());
      |       ^
a.cc:12:7: error: expected constructor, destructor, or type conversion before '(' token
   12 |   sort(f.rbegin(),f.rend());
      |       ^
a.cc:14:3: error: expected unqualified-id before 'while'
   14 |   while(r-l>1){
      |   ^~~~~
a.cc:26:3: error: 'cout' does not name a type
   26 |   cout<<r<<endl;
      |   ^~~~
a.cc:27:1: error: expected declaration before '}' token
   27 | }
      | ^
Language: C++

/*
  1   2   3   4   5   6   7   8   9  10
 10   9   8   7   6   5   4   3   2   1
 10  18  24  28  30  30  28  24  18  10
     28  52  80 110 140 168 192 210 220
*/
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int LTNF=1e18;

signed main(){
	int N,K;cin>>N>>K;
	vector<int> a(N),f(N);
	for(int i=0;i<N;i++)cin>>a[i];
	for(int i=0;i<N;i++)cin>>f[i];
	sort(a.begin(),a.end());
	sort(f.rbegin(),f.rend());
	int l=-1,r=LINF;
	while(r-l>1)
	{
		int m=(r+1)>>1;
		int cnt=0;
		for(int i=0;i<N;i++){
			if(a[i]*f[i]>m){
				cnt+=(a[i]*f[i]-m)/f[i];
				if((a[i]*f[i]-m)%f[i])cnt++;
			}
		}
		if(cnt>K)l=m;
		else r=m;
	}
	cout<<r<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:20: error: 'LINF' was not declared in this scope; did you mean 'LTNF'?
   19 |         int l=-1,r=LINF;
      |                    ^~~~
      |                    LTNF
Language: C++

#include <bits/stdc++.h>
using namespace std;
bool check(vector<int> A, vector<int>F, int N, long long K, long long half){
    long long Sum=0;
    for(int i=0; i<N; i++){
        int Z=A.at(i)*F.at(i);
        if(Z>half){
            Sum += A.at(i)-half/F.at(i);
            }
        }
    }
    if(Sum>K){
        return false;
    }
    return true;
}


int main (){
    int N;
    cin>>N;
    long long K;
    cin>>K;
    
    vector<int> A(N), F(N);
    for(int i=0 ;i<N; i++){
        cin>>A.at(i);
    }
    for(int i=0; i<N; i++){
        cin>>F.at(i);
    }

    sort(A.begin(), A.end());
    sort(F.rbegin(), F.rend());

    long long left=-1;
    long long right=A.at(N-1)*F.at(0);
    long long half=(left+right)/2;
    while(right-left>1){
      	//cout<<left<<" "<<right<<endl;
        if(!check(A, F, N, K, half)){
            left=half;
            half=(left+right)/2;
          	//cout<<"X";
        }
        else{
            right=half;
            half=(left+right)/2;
          	//cout<<"O";
          	
        }
		//cout<<left<<" "<<right<<endl;


    }
    cout<<right;

}

Compiler output:
a.cc: In function 'bool check(std::vector<int>, std::vector<int>, int, long long int, long long int)':
a.cc:11:5: warning: no return statement in function returning non-void [-Wreturn-type]
   11 |     }
      |     ^
a.cc: At global scope:
a.cc:12:5: error: expected unqualified-id before 'if'
   12 |     if(Sum>K){
      |     ^~
a.cc:15:5: error: expected unqualified-id before 'return'
   15 |     return true;
      |     ^~~~~~
a.cc:16:1: error: expected declaration before '}' token
   16 | }
      | ^
Language: Java

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

public class TaskD {

    public static void main(String[] args) throws IOException{
        //Scanner sc = new Scanner(System.in);
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());
        PrintWriter pw = new PrintWriter(System.out);

        int n = Integer.parseInt(st.nextToken());
        long k = Long.parseLong(st.nextToken());
        int[] team = new int[n];
        int[] food = new int[n];
        int[] foodRev = new int[n];
        st = new StringTokenizer(br.readLine());
        for(int i = 0; i<n; i++){
            team[i] = Integer.parseInt(st.nextToken());
        }
        st = new StringTokenizer(br.readLine());
        for(int i = 0; i<n; i++){
            food[i] = Integer.parseInt(st.nextToken());
        }
        Arrays.sort(team);
        Arrays.sort(food);
        for(int i = 0; i<n; i++){
            foodRev[i] = food[n-i-1];
        }
        for(int i = 0; i<n; i++){
            food[i] = foodRev[i];
        }
        //pw.println(Arrays.toString(food));
        //pw.println(Arrays.toString(team));
        long max = 0;
        for(int i = 0; i<n; i++){
            max = Math.max(food[i]*team[i], max);
        }
        long min = 0;
        long mid = 0;
        while(max > min){
            mid = min + (max - min)/2; // value we're checking for
            long kCount = 0;
            long score = 0;
            //System.out.println(min + " " + max);
            for(int i = 0; i<n; i++){
                if(food[i]*team[i] <= mid) {
                    continue;
                }
                else{
                    kCount += team[i] - (long)(Math.floor((double)mid/food[i]));
                }
            }
            if(kCount > k){
                min = mid+1;
            }
            else{
                max = mid;
            }
        }
        pw.println(max);
        pw.close();


    }
}

Compiler output:
Main.java:4: error: class TaskD is public, should be declared in a file named TaskD.java
public class TaskD {
       ^
1 error
Language: C++

//unsolved
import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		long K = sc.nextLong();
		long A[] = new long[N];	for(int i = 0; i < N; i++) {A[i] = sc.nextLong();}
		long F[] = new long[N];	for(int i = 0; i < N; i++) {F[i] = sc.nextLong();}
		Arrays.sort(A);
		Arrays.sort(F);
		long min = 0;
		long max = (long)Math.pow(10, 12);
		while(max > min) {
			long used = 0;
			long mid = (min + max)/2;
			for(int i = 0; i < N; i++) {
				if(mid/F[N-1-i] < A[i]) {
					used += A[i] - mid/F[N-1-i]; 
				}
			}
			if(used > K) {
				min = mid + 1;
			}else {
				max = mid;	
			}
		}
		System.out.println(min);
		sc.close();
	}
}

Compiler output:
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.Arrays;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import java.util.Scanner;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:1: error: expected unqualified-id before 'public'
    5 | public class Main {
      | ^~~~~~
Language: C++

//unsolved
import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		long K = sc.nextLong();
		long A[] = new long[N];	for(int i = 0; i < N; i++) {A[i] = sc.nextLong();}
		long F[] = new long[N];	for(int i = 0; i < N; i++) {F[i] = sc.nextLong();}
		Arrays.sort(A);
		Arrays.sort(F);
		long min = 0;
		long max = (long)Math.pow(10, 12);
		while(max > min) {
			long used = 0;
			long mid = (min + max)/2;
			for(int i = 0; i < N; i++) {
				if(mid/F[N-1-i] < A[i]) {
					used += A[i] - mid/F[N-1-i]; 
				}
			}
			if(used > K) {
				min = mid + 1;
			}else {
				max = mid;	
			}
		}
		System.out.println(min);
		sc.close();
	}
}


Compiler output:
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.Arrays;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import java.util.Scanner;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:1: error: expected unqualified-id before 'public'
    5 | public class Main {
      | ^~~~~~
Language: C++

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

int main(){
	int n;
	ll k;
	cin >> n >> k;
	vector<int> f(n),a(n);
	rep(i,n) cin >> a[i];
	rep(i,n) cin >> f[i];
	sort(a.begin(),a.end());
	sort(f.rbegin(),f.rend());
	ll l(-1),r(0);
	rep(i,n){
		if(r < a[i]*f[i]) r = a[i]*f[i];
	}
	while(r-l>1){
		ll c = (l+r)/2;
		ll s(0);
		rep(i,n){
			s += max(a[i] - c/f[i]);
		}
		if(s <= k){
			r = c;
		}else{
			l = c;
		}
	}
	cout << r << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:33: error: no matching function for call to 'max(ll)'
   23 |                         s += max(a[i] - c/f[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:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
a.cc:23:33: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   23 |                         s += max(a[i] - c/f[i]);
      |                              ~~~^~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 1 provided
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define int long long
typedef long long ll;
vector <int> a;
vector<int> f;
int n,k;
int check(int maxallowed)
{
   int need = 0;
   for(int i = 0; i<n ; i++)
   {
      if(a[i]*f[i]<=maxallowed)
         continue;
      else
      {
         need += a[i]-(maxallowed)/f[i];
      }
   }
   if(need <=k)
      return 1;
   else
      return 0;
 
}

int_32t   main()
{
   // ios_base::sync_with_stdio(false); 
   // cin.tie(NULL);
   cin>>n>>k;
   int x;
   for(int i=0; i<n ; i++)
         {
            cin>>x;
            a.pb(x);
         }
      //cout<<"hey";
   for(int i =0; i<n ; i++)
         {
            cin>>x;
            f.pb(x);
         }
      //cout<<"hu";
   sort(a.begin(),a.end(),greater<int>());
   sort(f.begin(),f.end());   
   int r = 1e12, l  = 0;
   // for(int i = 0; i<n ; i++)
   //    if(a[i]*f[i]>r)
   //          r = a[i]*f[i];
   
      while(l<r)
      {
         int mid = (l+r)/2;
         if(check(mid))
            r = mid;
         else
            l = mid+1;
      }
 
   cout<<r<<endl;    
 
 
   return 0;
}

Compiler output:
a.cc:31:1: error: 'int_32t' does not name a type; did you mean 'int32_t'?
   31 | int_32t   main()
      | ^~~~~~~
      | int32_t
Language: C++

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

int main() {
  int n;
  ll k;
  cin >> n >> k;
  vector<int> a(n);
  vector<int> f(n);
  rep(i,n) cin >> a[i];
  rep(i,n) cin >> f[i];
  sort(a.begin(), a.end());
  sort(f.rbegin(), f.rend());
  ll l = -1, r = 1e12;
  while (l+1<r) {
    ll c = (l+r)/2;
    bool ok = [&]{
      ll s = 0;
      rep(i,n) {
        s += max(0, a[i]-c/f[i]);
      }
      return s <= k;
    }();
    if (ok) r = c; else l = c;
  }
  cout << r << endl;
  return 0;
}


Compiler output:
a.cc: In lambda function:
a.cc:22:17: error: no matching function for call to 'max(int, ll)'
   22 |         s += max(0, a[i]-c/f[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:22:17: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   22 |         s += max(0, a[i]-c/f[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:22:17: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |         s += max(0, a[i]-c/f[i]);
      |              ~~~^~~~~~~~~~~~~~~~
Language: C++

# -*- coding: utf-8 -*-
n, k = map(int, input().split())
A = sorted([int(i) for i in input().split()])
F = sorted([int(i) for i in input().split()], reverse = True)

P = [A[i]*F[i] for i in range(n)]

if sum(A) <= k: print('0')
else:
    for j in range(k):
        max_value = max(P)
        max_index = P.index(max_value)
        A[max_index] -= 1
        P[max_index] = A[max_index]*F[max_index]
    print(max(P))

Compiler output:
a.cc:1:3: error: invalid preprocessing directive #-
    1 | # -*- coding: utf-8 -*-
      |   ^
a.cc:2:1: error: 'n' does not name a type
    2 | n, k = map(int, input().split())
      | ^
Language: C++

-*- coding: utf-8 -*-
  n, k = map(int, input().split())
A = sorted([int(i) for i in input().split()])
F = sorted([int(i) for i in input().split()], reverse = True)
P = [A[i]*F[i] for i in range(n)]
if sum(A) <= k: print('0')
else:
    for j in range(k):
        max_value = max(P)
        max_index = P.index(max_value)
        A[max_index] -= 1
        P[max_index] = A[max_index]*F[max_index]
    print(max(P))

Compiler output:
a.cc:1:1: error: expected unqualified-id before '-' token
    1 | -*- coding: utf-8 -*-
      | ^
Language: C++

#include <bits/stdc++.h>
#define FOR(i,b,e) for (common_type_t<decltype(b),decltype(e)> i = (b), i ## __end = (e); i < i ## __end; ++ i)
#define rep(i,n)   FOR (i, size_t{}, n)
#define ALL(x)     begin (x), end (x)
using namespace std;
using ll = int64_t;
constexpr ll inf = 2e18;

auto main () -> int
{
  cin.tie (nullptr);
  ios::sync_with_stdio (false);

  size_t n;
  ll k;
  cin >> n >> k;
  vector <ll> a (n), f (n);
  rep (i, n) cin >> a [i];
  rep (i, n) cin >> f [i];
  sort (ALL (a));
  sort (ALL (f), greater <void> ());
  ll l = -1, r = 1e12;
  while (l + 1 < r)
  {
    auto x = (l + r) / 2;
    ll delta = 0;
    rep (i, n)
    {
      delta += max (a [i] - x / f [i], 0);
    }
    if (delta <= k) r = x;
    else l = x;
  }
  cout << r << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:20: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type, int)'
   29 |       delta += max (a [i] - x / f [i], 0);
      |                ~~~~^~~~~~~~~~~~~~~~~~~~~~
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:29:20: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   29 |       delta += max (a [i] - x / f [i], 0);
      |                ~~~~^~~~~~~~~~~~~~~~~~~~~~
/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:29:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   29 |       delta += max (a [i] - x / f [i], 0);
      |                ~~~~^~~~~~~~~~~~~~~~~~~~~~
Language: C++

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

int main()
{
  int N ;
  int64_t K ;
  cin>>N>>K ;
  vector<int>A(N),F(N) ;
  for(int i=0;i<N;i++) cin>>A.at(i) ;  //消化コスト
  for(int i=0;i<N;i++) cin>>F.at(i) ;  //食べにくさ
  
  A.sort(A.begin(),A.end()) ;  //小さい順にソート
  F.sort(F.begin(),F.end()) ;
  F.reverse(F.begin(),F.end()) ;  //大きい順にソート
  
  for(int i=0;i<N&&K!=0;i++){
    if(K>=A.at(i)){
      A.at(i)=0 ;
      K-=A.at(i) ;
    }else A.at(i)-=K ;
  }
  
  int sum=0 ;
  for(int i=0;i<N;i++) sum+=A.at(i)*F.at(i) ;
  
  cout<<sum<<endl ;
  return 0 ;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:5: error: 'class std::vector<int>' has no member named 'sort'
   16 |   A.sort(A.begin(),A.end()) ;  //小さい順にソート
      |     ^~~~
a.cc:17:5: error: 'class std::vector<int>' has no member named 'sort'
   17 |   F.sort(F.begin(),F.end()) ;
      |     ^~~~
a.cc:18:5: error: 'class std::vector<int>' has no member named 'reverse'; did you mean 'reserve'?
   18 |   F.reverse(F.begin(),F.end()) ;  //大きい順にソート
      |     ^~~~~~~
      |     reserve
Language: C++

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

int main()
{
  int N ;
  int 64_t K ;
  cin>>N>>K ;
  vector<int>A(N),F(N) ;
  for(int i=0;i<N;i++) cin>>A.at(i) ;  //消化コスト
  for(int i=0;i<N;i++) cin>>F.at(i) ;  //食べにくさ
  
  A.sort(A.begin(),A.end()) ;  //小さい順にソート
  F.sort(F.begin(),F.end()) ;
  F.reverse(F.begin(),F.end()) ;  //大きい順にソート
  
  for(int i=0;i<N&&K!=0;i++){
    if(K>=A.at(i)){
      A.at(i)=0 ;
      K-=A.at(i) ;
    }else A.at(i)-=K ;
  }
  
  int sum=0 ;
  for(int i=0;i<N;i++) sum+=A.at(i)*F.at(i) ;
  
  cout<<sum<<endl ;
  return 0 ;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: expected unqualified-id before numeric constant
   10 |   int 64_t K ;
      |       ^~~~
a.cc:11:11: error: 'K' was not declared in this scope
   11 |   cin>>N>>K ;
      |           ^
a.cc:16:5: error: 'class std::vector<int>' has no member named 'sort'
   16 |   A.sort(A.begin(),A.end()) ;  //小さい順にソート
      |     ^~~~
a.cc:17:5: error: 'class std::vector<int>' has no member named 'sort'
   17 |   F.sort(F.begin(),F.end()) ;
      |     ^~~~
a.cc:18:5: error: 'class std::vector<int>' has no member named 'reverse'; did you mean 'reserve'?
   18 |   F.reverse(F.begin(),F.end()) ;  //大きい順にソート
      |     ^~~~~~~
      |     reserve
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<queue>
#include<climits>
#define ll long long
using namespace std;
bool teamcheck(ll k,vector<ll>a,vector<ll>f,ll c) {
	ll syugyou=0;
	for (ll i = 0; i < a.size(); i++) {
		syugyou +=max( a[i] - c/f[i] , (ll)(0));
	}
	if (syugyou > k) {
		return false;
	}
	return true;
}

int main() {
	ll n, k;
	cin >> n >> k;
	vector<ll>a(n);
	vector<ll>f(n);
	for (ll i = 0; i < n; i++) {
		cin >> a[i];
	}
	for (ll i = 0; i < n; i++) {
		cin >> f[i];
	}
	sort(a.begin(), a.end(), greater<ll>());
	sort(f.begin(), f.end());
	
	ll left=0,right=pow(10,12)+1;
	while (left <= right) {
		if (teamcheck(k,a,f,(left+right)/2)) {
			right = (left + right) / 2-1;
		}
		else {
			left= (left + right) / 2+1;
		}
	}
	cout<<left<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:25: error: 'pow' was not declared in this scope
   34 |         ll left=0,right=pow(10,12)+1;
      |                         ^~~
Language: C++

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

int main()
{
  int N ;
  int 64_t K ;
  cin>>N>>K ;
  vector<int>A(N),F(N) ;
  for(int i=0;i<N;i++) cin>>A.at(i) ;  //消化コスト
  for(int i=0;i<N;i++) cin>>F.at(i) ;  //食べにくさ
  
  A.sort(A.begin(),A.end()) ;  //小さい順にソート
  F.sort(F.begin(),F.end()) ;
  F.reverse(F.begin(),F.end()) ;  //大きい順にソート
  
  for(int i=0;i<N&&K!=0;i++){
    if(K>=A.at(i)){
      A.at(i)=0 ;
      K-=A.at(i) ;
    }else A.at(i)-=K ;
  }
  
  int sum=0 ;
  for(int i=0;i<N;i++) sum+=A.at(i)*F.at(i) ;
  
  cout<<sum<<endl ;
  return 0 ;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: expected unqualified-id before numeric constant
    8 |   int 64_t K ;
      |       ^~~~
a.cc:9:11: error: 'K' was not declared in this scope
    9 |   cin>>N>>K ;
      |           ^
a.cc:14:5: error: 'class std::vector<int>' has no member named 'sort'
   14 |   A.sort(A.begin(),A.end()) ;  //小さい順にソート
      |     ^~~~
a.cc:15:5: error: 'class std::vector<int>' has no member named 'sort'
   15 |   F.sort(F.begin(),F.end()) ;
      |     ^~~~
a.cc:16:5: error: 'class std::vector<int>' has no member named 'reverse'; did you mean 'reserve'?
   16 |   F.reverse(F.begin(),F.end()) ;  //大きい順にソート
      |     ^~~~~~~
      |     reserve
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for(int i = 0; i < n; i++)
#define REPR(i, n) for(int i = n - 1; i >= 0; i--)
#define FOR(i, m, n) for(int i = m; i <= n; i++)
#define FORR(i, m, n) for(int i = m; i >= n; i--)
#define SORT(v, n) sort(v, v+n);
#define VSORT(v) sort(v.begin(), v.end());
#define VSORTR(v) sort(v.rbegin(), v.rend());
#define ALL(v) (v).begin(),(v).end()
 
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vector<ll>>;
using P = pair<ll, ll>;

// x が (a[i] * f[i]) の最大値になるなら true
bool check(ll x, vll &a, vll &f, ll k){
    ll n = a.size();
    ll cnt = 0;
    REP(i, n){
        if (a[i] * f[i] > x) {
            cnt += (a[i] * f[i] - x) / f[i];
            if ((a[i] * f[i] - x) % f[i]) cnt++;
        }
    }
    if (cnt > k) return false;
    else return true;
}

// sum(a[i]) <= p のもと max(a[i] * f[i]) の最小値 x を二分探索
ll search(ll p, vll &a, vll &f, ll k){
	ll ng = 0;
	ll ok = 1e18;

    while (abs(ok - ng) > 1) {
        ll mid = (ok + ng) / 2;
        if (check(mid, a, f, k)) ok = mid;
        else ng = mid;
    }
    return ok;
}

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

    ll n, k;
    cin >> n >> k;

    vll a(n), f(n);
    REP(i, n) cin >> a[i];
    REP(i, n) cin >> f[i];
    VSORTR(a);
    VSORT(f);

    ll res = search(x, a, f, k);
    cout << res << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:57:21: error: 'x' was not declared in this scope
   57 |     ll res = search(x, a, f, k);
      |                     ^
Language: C++

import java.util.*;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		long[] a = new long[n]; for(int i = 0; i < n; i++) a[i] = sc.nextLong();
		long[] f = new long[n]; for(int i = 0; i < n; i++) f[i] = sc.nextLong();
		long l = -1;
		long r = 1000000000000l;

		Arrays.parallelSort(a);
		Arrays.parallelSort(f);

		while(r - l <= 1) {
			long use = 0;
			long c = (l+r)/2;
			for(int i = 0; i < n; i++) {
				long X = (c/f[n-i-1]);
				if(X < a[i]) use += (a[i] - X);
			}
			if(use > k) l = c;
			else r = c;
		}

		System.out.println(r);
		sc.close();
	}
}

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

#include <bits/stdc++.h>

using namespace std;

int n;
long long k;
int a[200100], f[200100];

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	cin >> n >> k;
	for(int i = 0; i < n; i++) cin >> a[i];
	for(int i = 0; i < n; i++) cin >> f[i];
	sort(a, a + n);
	sort(f, f + n, greater<int>());

	long long l = 0, r = 1e12;
	while(l < r){
		long long mid = l + (r - l) / 2;
		long long need = 0;
		for(int i = 0; i < n; i++) need += max(0, a[i] - mid / f[i]);
		if(need <= k) r = mid;
		else l = mid + 1;
	}

	cout << l << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:55: error: no matching function for call to 'max(int, long long int)'
   22 |                 for(int i = 0; i < n; i++) need += max(0, a[i] - mid / f[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:22:55: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   22 |                 for(int i = 0; i < n; i++) need += max(0, a[i] - mid / f[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:22:55: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |                 for(int i = 0; i < n; i++) need += max(0, a[i] - mid / f[i]);
      |                                                    ~~~^~~~~~~~~~~~~~~~~~~~~~
Language: C++

# include <bits/stdc++.h>
using namespace std;
# define ll long long
const int N = 2e5 + 10;
ll a[N] , b[N] , diff[N] , ans , k , n;
bool check(ll x){
	ll res = 0;
	for(int i = 0; i < n; i ++)
		res += max(9 , a[i] - x / b[i]);
	return res <= k;
}
int main(){
	cin >> n >> k;
	for(int i = 0; i < n; i ++) cin >> a[i];
	for(int i = 0; i < n; i ++) cin >> b[i];
	sort(a , a + n);
	sort(b , b + n);
	reverse(b , b + n);
	ll l = 0 , r = a[n - 1] * b[0];
	while(l <= r){
		ll m = (l + r) >> 1;
		if(check(m)) r = m - 1 , ans = m;
		else l = m + 1;
	}
	cout << ans << "\n";
}


Compiler output:
a.cc: In function 'bool check(long long int)':
a.cc:9:27: error: no matching function for call to 'max(int, long long int)'
    9 |                 res += max(9 , a[i] - x / b[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:9:27: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
    9 |                 res += max(9 , a[i] - x / b[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:9:27: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    9 |                 res += max(9 , a[i] - x / b[i]);
      |                        ~~~^~~~~~~~~~~~~~~~~~~~~
Language: C++

n,k=map(int,input().split())
a=list(map(int, input().split()))
f=list(map(int, input().split()))
a.sort()
f.sort(reverse=True)

maxaf=1000000000000

def solve(x):
	total=0
	for i in range(n):
		total+=max(0,a[i]-x//f[i])
	return total<=k

#xの範囲 ngは実現が難しい方
ok=maxaf
ng=-1

while ok-ng>1:
	mid=(ok+ng)//2
	if solve(mid):
		ok=mid
	else:
		ng=mid
print(ok)


Compiler output:
a.cc:15:2: error: invalid preprocessing directive #x\U0000306e\U00007bc4\U000056f2
   15 | #xの範囲 ngは実現が難しい方
      |  ^~~~~~~
a.cc:1:1: error: 'n' does not name a type
    1 | n,k=map(int,input().split())
      | ^
Language: C++

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

int main(void) {
	ll n, k;
	cin >> n >> k;
	vector<int> a(n), f(n);
	rep (i, n) cin >> a[i];
	rep (i, n) cin >> f[i];

	sort(a.begin(), a.end());
	sort(f.rbegin(), f.rend());


	ll l = -1, r = 1e12;
	while (r - l > 1) {
		ll c = (r + l) / 2;
		bool ok = [&]{
			ll sum = 0;
			rep (i, n) {
				sum += max(0ll, a[i] - c / f[i]);
			}
			return s <= k;
		}();
		if (ok) r = c; else l = c;
	}
	cout << r << endl;
	return 0;
}


Compiler output:
a.cc: In lambda function:
a.cc:25:32: error: 's' was not declared in this scope
   25 |                         return s <= k;
      |                                ^
Language: C++

#include <bits/stdc++.h>
#define WHOLE(v) (v).begin(), (v).end()
#define REV_WHOLE(v) (v).rbegin(), (v).rend()
using i64 = int64_t;
using namespace std;
template <size_t I, class H, class... T> struct TupleReaderWriter{static tuple<H,T...> r(istream&i){H v;i>>v;return tuple_cat(tuple<H>(v),TupleReaderWriter<sizeof...(T)-1,T...>::r(i));}static void w(ostream&o,tuple<H,T...>&t,string d){TupleReaderWriter<I-1,H,T...>::w(o,t,d);o<<d<<get<I>(t);}};
template <class H, class... T> struct TupleReaderWriter<0,H,T...>{static tuple<H,T...> r(istream&i){H v;i>>v;return tuple<H>(v);}static void w(ostream&o,tuple<H,T...>&t,string d){o<<get<0>(t);}};
template <class... T> istream& operator>>(istream&i,tuple<T...>& t) { t = TupleReaderWriter<sizeof...(T), T...>::r(i); return i; }
template <class... T> ostream& operator<<(ostream& o, tuple<T...>& t) { string delim = " "; TupleReaderWriter<sizeof...(T) - 1, T...>::w(o, t, delim); return o; }
template<typename T> using rev_priority_queue = priority_queue<T, vector<T>, greater<T>>;
template<typename T> using vector2d = vector<vector<T>>;
void R_YESNO(bool p) { cout << (p ? "YES" : "NO") << endl; }
void R_YesNo(bool p) { cout << (p ? "Yes" : "No") << endl; }

// 二分探索（改）
// judge を満たすような下限を求める
// left:[X] 定義域の下限
// right:[X] 定義域の上限
// judge:[X -> bool] X を評価する関数
// lower:[bool] falseにすると代わりに上限を求める
// eps:[X] 終了距離

template <typename X>
X BinSearch(X left, X right, function<bool(X)> judge, bool lower = true, X eps = 1) {
    while (right - left > eps) {
        X mid = (right + left) / 2;
        if (judge(mid) == lower) {
            right = mid;
        } else {
            left = mid;
        }
    }
    return lower ? right : left;
}

int64_t divceil(int64_t a, int64_t b) {
    return a / b + (a > 0 && a % b ? 1 : 0);
}

int main() {
    i64 N, K;
    cin >> N >> K;
    vector<i64> A(N), F(N);
    for(auto &x : A) cin >> x;
    for(auto &x : F) cin >> x;
    sort(WHOLE(A));
    sort(REV_WHOLE(F));

    i64 ans = BinSearch<i64>(-1, 1e16, [&](i64 T) -> bool {
        i64 k = 0;
        for(int i = 0; i < N; i++) {
            k += A[i] - divceil(T / F[i]);
        }
        return k <= K;
    }, true);

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In lambda function:
a.cc:52:32: error: too few arguments to function 'int64_t divceil(int64_t, int64_t)'
   52 |             k += A[i] - divceil(T / F[i]);
      |                         ~~~~~~~^~~~~~~~~~
a.cc:36:9: note: declared here
   36 | int64_t divceil(int64_t a, int64_t b) {
      |         ^~~~~~~
Language: C++

    n,k=map(int,input().split())
    a=list(map(int,input().split()))
    f=list(map(int,input().split()))
    a.sort()
    f.sort(reverse=1)
    su=ok=ng=0
    for i in range(n):
      ok=max(ok,a[i]*f[i])
      su+=a[i]
    if su<=k:print(0);exit()
    while ng+1<ok:
      mid=(ok+ng)//2
      h=0
      for i in range(n):
        h+=a[i]-(f[i]/mid)
      if h<=k:ok=mid
      else:ng=mid
    print(ok)

Compiler output:
a.cc:1:5: error: 'n' does not name a type
    1 |     n,k=map(int,input().split())
      |     ^
a.cc:11:5: error: expected constructor, destructor, or type conversion before 'while'
   11 |     while ng+1<ok:
      |     ^~~~~
Language: C++

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

int main() {
  int64_t n, k, c = 0, s, b, answer;
  cin >> n >> k;
  vector<int64_t> a(n), f(n);
  for(int64_t i = 0; i < n; i++)
    cin >> a.at(i);
  for(int64_t i = 0; i < n ;i++)
    cin >> f.at(i);
  sort(a.begin(), a.end());
  sort(f.begin(), f.end());
  reverse(f.begin(), f.end());
  priority_queue<int64_t> pq;
  for(int64_t i = 0; i < n; i++)
    pq.push(a.at(i)*f.at(i));
  s = pq.top();
  while(pow(2, c) < s) c++;
  c--;
  b = pow(2, c);
  for(int64_t i = c-1; i >= 0; i--){
    bool d = 1;
    for(int64_t j = 0; j < n; j++)
      if(b < a.at(j)*f.at(j)) k -= (a.at(j) - b / f.at(j));
    if(k < 0) d = 0;
    if(d){
      answer = b;
      b -= pow(2, i);
    }
    else b += pow(2, i);
  }
  for(int64_t j = 0; j < n; j++)
      if(b < a.at(j)*f.at(j)) k -= (a.at(j) - b / f.at(j));
    if(k < 0) d = 0;
    if(d)
      answer = b;
  cout << answer << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:15: error: 'd' was not declared in this scope
   36 |     if(k < 0) d = 0;
      |               ^
a.cc:37:8: error: 'd' was not declared in this scope
   37 |     if(d)
      |        ^