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

#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <cmath>
#include <math.h>
#include <string>
#include <vector>

int n, a[1000000001];
int ans = 0, temp;

int main() 
{	
	for (int i = 1; i < 1000000001; i++)
		a[i] = 0;
	std::cin >> n;
	
	if (n == 1)
	{
		std::cout << 1;
		return 0;
	}
	
	for (int i = 0; i < n ; i++)
	{
		std::cin >> temp;
		if (temp < 1000000001)
			a[temp]++;
	}
	for (int i = 1; i < 1000000001; i++)
	{
		if (a[i] != 0)
		{
			temp = a[i] - i;
			if (temp < 0)
				ans += a[i];
			else
				ans += temp;
		}	
	}
	std::cout << ans;
	return 0;
}

Compiler output:
/tmp/ccq49dLb.o: in function `main':
a.cc:(.text+0x87): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x9f): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0xac): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x12e): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x134): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x155): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x15d): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x165): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x16b): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x173): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccq49dLb.o
a.cc:(.text+0x18a): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status
Language: C++

#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <cmath>
#include <math.h>
#include <string>
#include <vector>

long long n, a[1000000001];
long long ans = 0, temp;

int main() 
{	
	for (int i = 1; i < 1000000001; i++)
		a[i] = 0;
	std::cin >> n;
	
	if (n == 1)
	{
		std::cout << 1;
		return 0;
	}
	
	for (int i = 0; i < n ; i++)
	{
		std::cin >> temp;
		if (temp < 1000000001)
			a[temp]++;
	}
	for (int i = 1; i < 1000000001; i++)
	{
		if (a[i] != 0)
		{
			temp = a[i] - i;
			if (temp < 0)
				ans += a[i];
			else
				ans += temp;
		}	
	}
	std::cout << ans;
	return 0;
}

Compiler output:
/tmp/ccyJjYOG.o: in function `main':
a.cc:(.text+0x8a): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0xa3): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0xb2): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0x142): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0x149): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0x16d): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0x177): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0x180): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0x187): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0x191): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccyJjYOG.o
a.cc:(.text+0x1a9): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status
Language: C++

#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <cmath>
#include <math.h>
#include <string>
#include <vector>

int n, a[1000000001];
long long ans = 0, temp;

int main() 
{	
	for (int i = 1; i < 1000000001; i++)
		a[i] = 0;
	std::cin >> n;
	
	if (n == 1)
	{
		std::cout << 1;
		return 0;
	}
	
	for (int i = 0; i < n ; i++)
	{
		std::cin >> temp;
		if (temp < 1000000001)
			a[temp]++;
	}
	for (int i = 1; i < 1000000001; i++)
	{
		if (a[i] != 0)
		{
			temp = a[i] - i;
			if (temp < 0)
				ans += a[i];
			else
				ans += temp;
		}	
	}
	std::cout << ans;
	return 0;
}

Compiler output:
/tmp/ccr2vXwx.o: in function `main':
a.cc:(.text+0x87): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0xa0): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0xaf): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0x12f): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0x136): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0x15c): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0x166): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0x16f): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0x176): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0x180): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccr2vXwx.o
a.cc:(.text+0x198): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status
Language: C++

#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <cmath>
#include <math.h>
#include <string>
#include <vector>

int n, a[1000000001];
long long ans = 0, temp;

int main() 
{	
	for (int i = 1; i < 1000000001; i++)
		a[i] = 0;
	std::cin >> n;
	
	if (n == 1)
	{
		std::cout << 1;
		return 0;
	}
	
	for (int i = 0; i < n ; i++)
	{
		std::cin >> temp;
		a[temp]++;
	}
	for (int i = 1; i < 1000000001; i++)
	{
		if (a[i] != 0)
		{
			temp = a[i] - i;
			if (temp < 0)
				ans += a[i];
			else
				ans += temp;
		}	
	}
	std::cout << ans;
	return 0;
}

Compiler output:
/tmp/ccX4wqwX.o: in function `main':
a.cc:(.text+0x87): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0xa0): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0x120): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0x127): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0x14d): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0x157): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0x160): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0x167): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0x171): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccX4wqwX.o
a.cc:(.text+0x189): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccX4wqwX.o
collect2: error: ld returned 1 exit status
Language: C++

#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <cmath>
#include <math.h>
#include <string>
#include <vector>

int n, a[1000000001];
unsigned long long ans = 0, temp;

int main() 
{	
	for (int i = 1; i < 1000000001; i++)
		a[i] = 0;
	std::cin >> n;
	
	if (n == 1)
	{
		std::cout << 1;
		return 0;
	}
	
	for (int i = 0; i < n ; i++)
	{
		std::cin >> temp;
		a[temp]++;
	}
	for (int i = 1; i < 1000000001; i++)
	{
		if (a[i] != 0)
		{
			temp = a[i] - i;
			if (temp < 0)
				ans += a[i];
			else
				ans += temp;
		}	
	}
	std::cout << ans;
	return 0;
}

Compiler output:
/tmp/ccnTu5C8.o: in function `main':
a.cc:(.text+0x87): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccnTu5C8.o
a.cc:(.text+0xa0): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccnTu5C8.o
a.cc:(.text+0x11d): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccnTu5C8.o
a.cc:(.text+0x124): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccnTu5C8.o
a.cc:(.text+0x12b): relocation truncated to fit: R_X86_64_PC32 against symbol `temp' defined in .bss section in /tmp/ccnTu5C8.o
a.cc:(.text+0x135): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccnTu5C8.o
a.cc:(.text+0x149): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccnTu5C8.o
collect2: error: ld returned 1 exit status
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>

using namespace std;

int n,i,j,r;
int a[100010];

int main()
{
    scanf("%d",&n)
    for(auto &x:a)scanf("%d",&x);//cin>>x;
    sort(a,a+n);
    for(;i<n;i++)a[i]==a[j]?:(r+=i-j-((i-j)<a[j]?0:a[j]),j=i);
    cout<<r+i-j-((i-j)<a[j]?0:a[j]);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:19: error: expected ';' before 'for'
   12 |     scanf("%d",&n)
      |                   ^
      |                   ;
   13 |     for(auto &x:a)scanf("%d",&x);//cin>>x;
      |     ~~~
Language: C++

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

int main(){
  int N; cin>>N;
  int a[100000];
  map<int,int> mp;
  for(int i=0;i<n;i++){
    cin>>a[i];
    mp[a[i]]++;
  }
  int ans=0;
  for(auto p:mp){
    int n=p.first;
    int x=p.second;
    if(n>x)ans+=x;
    else ans+=x-n;
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: 'n' was not declared in this scope
    9 |   for(int i=0;i<n;i++){
      |                 ^
Language: C++

//Keep Working hard
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define f(i,a,b) for(int (i) = (a); (i) < (b) ;(i)++)

void fileIO()
{
        #ifndef ONLINE_JUDGE
        freopen("int.txt","r",stdin);
        freopen("out.txt","w",stdout);
        #endif
}

int32_t main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.precision(10);
    //fileIO();
    int n,x;
    cin >> n;
    f(i,0,n)
    {
            cin >> x;
            mp[x]++;
    }
    int cnt  = 0;
    for(auto [key,value] : mp)
    {
        cnt += abs(key-value);
    }
    cout << cnt;

    return 0;
}


Compiler output:
a.cc: In function 'int32_t main()':
a.cc:26:13: error: 'mp' was not declared in this scope
   26 |             mp[x]++;
      |             ^~
a.cc:29:28: error: 'mp' was not declared in this scope
   29 |     for(auto [key,value] : mp)
      |                            ^~
Language: C++

#include<iostream>
#include<cstdlib>
using namespace std;
const int maxn=1e9;
int N,a[100000],p[maxn]={0},q[maxn]={0},ans=0;
int main(void){
	cin>>N;
	for(int i=0;i<N;i++){
		cin>>a[i];
		p[a[i]]=1;
		q[a[i]]++;
	}
	for(int i=0;i<maxn&&p[i];i++){
		ans+=bs(q[i]-i);
	}
	cout<<ans;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:22: error: 'bs' was not declared in this scope; did you mean 'abs'?
   14 |                 ans+=bs(q[i]-i);
      |                      ^~
      |                      abs
Language: C++

#include<iostream>
#include<cstdlib>
using namespace std;
const int maxn=1e9;
int N,a[100000],p[maxn]={0},q[maxn]={0},ans=0;
int main(void){
	cin>>N;
	for(int i=0;i<N;i++){
		cin>>a[i];
		p[a[i]]=1;
		q[a[i]]++;
	}
	for(int i=0;i<maxn&&p[i];i++){
		ans+=(min(i,abs(p[i]-i)));
	}
	cout<<ans;
	return 0;
}


Compiler output:
/tmp/ccj3E4pd.o: in function `main':
a.cc:(.text+0xaa): relocation truncated to fit: R_X86_64_PC32 against symbol `q' defined in .bss section in /tmp/ccj3E4pd.o
a.cc:(.text+0xc1): relocation truncated to fit: R_X86_64_PC32 against symbol `q' defined in .bss section in /tmp/ccj3E4pd.o
a.cc:(.text+0x121): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccj3E4pd.o
a.cc:(.text+0x129): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccj3E4pd.o
a.cc:(.text+0x15d): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccj3E4pd.o
collect2: error: ld returned 1 exit status
Language: C++

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

int main(){
  int n;cin>>n;
  vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
  int m,M;m=*min_element(a.begin(),a.end());M=*max_element(a.begin(),a.end());
  int sum=0;
  int num=0;
  vector<int> num(M,0);
  for(int i=0;i<M;i++){
    ++num.at(a.at(i));
  }
  
  for(int i=m;i<=M;i++){
    if(num.at(i)<i){
      sum+=num.at(i);
      //cout<<sum<<endl;
    }else{
      sum+=num.at(i)-i;
      //cout<<sum<<endl;
    }
  }
  cout<<sum<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:15: error: conflicting declaration 'std::vector<int> num'
   12 |   vector<int> num(M,0);
      |               ^~~
a.cc:11:7: note: previous declaration as 'int num'
   11 |   int num=0;
      |       ^~~
a.cc:14:11: error: request for member 'at' in 'num', which is of non-class type 'int'
   14 |     ++num.at(a.at(i));
      |           ^~
a.cc:18:12: error: request for member 'at' in 'num', which is of non-class type 'int'
   18 |     if(num.at(i)<i){
      |            ^~
a.cc:19:16: error: request for member 'at' in 'num', which is of non-class type 'int'
   19 |       sum+=num.at(i);
      |                ^~
a.cc:22:16: error: request for member 'at' in 'num', which is of non-class type 'int'
   22 |       sum+=num.at(i)-i;
      |                ^~
Language: C++

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

int main(){
  int n;cin>>n;
  vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
  int m,M;m=*min_element(a.begin(),a.end());M=*max_element(a.begin(),a.end());
  int sum=0;
  
  for(int i=m;i<=M;i++){
    sum=a.count(a.begin(),a.end(),i);
    if(num<a.at(i)){
      sum+=num;
    }else{
      sum+=m-a.at(i);
    }
  }
  cout<<sum<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: 'class std::vector<int>' has no member named 'count'
   13 |     sum=a.count(a.begin(),a.end(),i);
      |           ^~~~~
a.cc:14:8: error: 'num' was not declared in this scope; did you mean 'sum'?
   14 |     if(num<a.at(i)){
      |        ^~~
      |        sum
Language: C++

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

int main(){
  int n;cin>>n;
  vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
  int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
  int sum=0;
  
  for(int i=m;i<=M;i++){
    sum=a.count(a.begin(),a.end(),i);
    if(num<a.at(i)){
      sum+=num;
    }else{
      sum+=m-a.at(i);
    }
  }
  cout<<sum<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: 'min_element' was not declared in this scope
    8 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |              ^~~~~~~~~~~
a.cc:8:48: error: 'max_elemtnt' was not declared in this scope
    8 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |                                                ^~~~~~~~~~~
a.cc:12:11: error: 'class std::vector<int>' has no member named 'count'
   12 |     sum=a.count(a.begin(),a.end(),i);
      |           ^~~~~
a.cc:13:8: error: 'num' was not declared in this scope; did you mean 'sum'?
   13 |     if(num<a.at(i)){
      |        ^~~
      |        sum
Language: C++

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

int main(){
  int n;cin>>n;
  vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
  sum=0;
  int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
  int sum;
  
  for(int i=m;i<=M;i++){
    sum=a.count(a.begin(),a.end(),i);
    if(num<a.at(i)){
      sum+=num;
    }else{
      sum+=m-a.at(i);
    }
  }
  cout<<sum<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'sum' was not declared in this scope
    8 |   sum=0;
      |   ^~~
a.cc:9:14: error: 'min_element' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |              ^~~~~~~~~~~
a.cc:9:48: error: 'max_elemtnt' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |                                                ^~~~~~~~~~~
a.cc:13:11: error: 'class std::vector<int>' has no member named 'count'
   13 |     sum=a.count(a.begin(),a.end(),i);
      |           ^~~~~
a.cc:14:8: error: 'num' was not declared in this scope; did you mean 'enum'?
   14 |     if(num<a.at(i)){
      |        ^~~
      |        enum
Language: C++

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

int main(){
  int n;cin>>n;
  vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
  sum=0;
  int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
  int num;
  
  for(int i=m;i<=M;i++){
    num=a.count(a.begin(),a.end(),i);
    if(num<a.at(i)){
      sum+=num;
    }else{
      sum+=m-a.at(i);
    }
  }
  cout<<sum<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'sum' was not declared in this scope
    8 |   sum=0;
      |   ^~~
a.cc:9:14: error: 'min_element' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |              ^~~~~~~~~~~
a.cc:9:48: error: 'max_elemtnt' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |                                                ^~~~~~~~~~~
a.cc:13:11: error: 'class std::vector<int>' has no member named 'count'
   13 |     num=a.count(a.begin(),a.end(),i);
      |           ^~~~~
Language: C++

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

int main(){
  int n;cin>>n;
  vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
  sum=0;
  int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
  int num;
  
  for(int i=m;i<=M;i++){
    num=a.count(a.begin(),a.end(),i);
    if(num<a.at(i)){
      sum+=num;
    }else{
      sum+=m-a.at(i);
    }
  }
  cout<<sum<<endl;
  
  return 0;
}

Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namespae'
    3 | using namespae std;
      |       ^~~~~~~~
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   int n;cin>>n;
      |         ^~~
      |         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:7:3: error: 'vector' was not declared in this scope
    7 |   vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
      |   ^~~~~~
a.cc:7:3: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:7:10: error: expected primary-expression before 'int'
    7 |   vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
      |          ^~~
a.cc:7:46: error: 'a' was not declared in this scope
    7 |   vector<int> a(n);for(int i=0;i<n;i++){cin>>a.at(i);}
      |                                              ^
a.cc:8:3: error: 'sum' was not declared in this scope
    8 |   sum=0;
      |   ^~~
a.cc:9:26: error: 'a' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |                          ^
a.cc:9:14: error: 'min_element' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |              ^~~~~~~~~~~
a.cc:9:48: error: 'max_elemtnt' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |                                                ^~~~~~~~~~~
a.cc:20:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   20 |   cout<<sum<<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:20:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   20 |   cout<<sum<<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>
using namespae std;

int main(){
  int n;cin>>n;
  vector<int> a(n);
  sum=0;
  int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
  int num;
  
  for(int i=m;i<=M;i++){
    num=a.count(a.begin(),a.end(),i);
    if(num<a.at(i)){
      sum+=num;
    }else{
      sum+=m-a.at(i);
    }
  }
  cout<<sum<<endl;
  
  return 0;
}

Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namespae'
    3 | using namespae std;
      |       ^~~~~~~~
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   int n;cin>>n;
      |         ^~~
      |         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:7:3: error: 'vector' was not declared in this scope
    7 |   vector<int> a(n);
      |   ^~~~~~
a.cc:7:3: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:7:10: error: expected primary-expression before 'int'
    7 |   vector<int> a(n);
      |          ^~~
a.cc:8:3: error: 'sum' was not declared in this scope
    8 |   sum=0;
      |   ^~~
a.cc:9:26: error: 'a' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |                          ^
a.cc:9:14: error: 'min_element' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |              ^~~~~~~~~~~
a.cc:9:48: error: 'max_elemtnt' was not declared in this scope
    9 |   int m,M;m=*min_element(a.begin(),a.end());M=*max_elemtnt(a.begin(),a.end());
      |                                                ^~~~~~~~~~~
a.cc:20:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   20 |   cout<<sum<<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:20:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   20 |   cout<<sum<<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>

using namespace std;

long long n;
vector<long long> a(100001,0);
vector<bool> flag(1000000001, false);
long long ans = 0;

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

    for(long long i = 0; i < n; i++){
        if(flag[a[i]] == false){
            long long cnt = count(a.begin(),a.end(),a[i]);

            long long tmp = abs(cnt-a[i]);
            ans += min(cnt, tmp);

            flag[a[i]] = true;
        }
    }

    cout << ans << endl;
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:19:29: error: 'count' was not declared in this scope; did you mean 'cnt'?
   19 |             long long cnt = count(a.begin(),a.end(),a[i]);
      |                             ^~~~~
      |                             cnt
Language: C

#include<stdio.h>

int main(){
  int i,j,k=0;
  int N;
  int A[1000000001] ={0};
  scanf("%d",&N);
  
  for(i=0;i<N;i++){
    scanf("%d ",&j);
    A[j]++;
  }
  
  for(i=1;i<=10e9;i++){
    if(A[i]>i){
      k += (A[i]-i);
    }
    else(A[i] < i)
      k += A[i];
  }
  printf("%d\n",k);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:18:19: error: expected ';' before 'k'
   18 |     else(A[i] < i)
      |                   ^
      |                   ;
   19 |       k += A[i];
      |       ~
Language: C++

#include<iostream>
#include<vector>
typedef long long ll;
using namespace std;

ll main()
{ll N; cin >> N;
 vector<ll> A(N),B(N); 
 for(ll i = 0; i < N ; i++)
 {cin >> A[i];
 B[A[i]-1]++ ; }
 ll ans = 0;
 
 for(ll i = 0; i  < 1000000000 ; i++)
 {if(B[i] >= i+1){ ans += B[i] - i - 1;}
  else{ ans += B[i];}}
 
 cout << ans << endl;

}


Compiler output:
a.cc:6:1: error: '::main' must return 'int'
    6 | ll main()
      | ^~
Language: C++

#include<iostream>
#include<stdio.h>
#include<string.h>
#include<algorithm>
#include<vector>
#include<queue>
#include<map>
#include<set>
#include<iomanip>
#include<cmath>


#define REP(i,n) for (int i = 0; (i) < (n); ++ (i))
#define FOR(i,n) for (int i = 1; (i) <= (n); ++ (i))
#define dump(x)  cout << #x << " = " << (x) << endl;
#define pb(a) push_back(a)
#define lint long long

const int INF = 1e9;
const int MOD = 1e9+7;
const lint LINF = 1e18;



using namespace std;
int n;
int a[1000000001];
int ans;


int main(){
  cin >> n;
  REP(i,n){
    int k;
    cin >> k;
    a[k] ++;
  }
  FOR(i,1000000000){
    if(a[i]<i) ans += a[i];
    else if(a[i]>i) ans += a[i]-i;
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
/tmp/ccm1QWMo.o: in function `main':
a.cc:(.text+0xbf): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccm1QWMo.o
a.cc:(.text+0xc7): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccm1QWMo.o
a.cc:(.text+0x107): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccm1QWMo.o
a.cc:(.text+0x10f): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccm1QWMo.o
a.cc:(.text+0x126): relocation truncated to fit: R_X86_64_PC32 against symbol `ans' defined in .bss section in /tmp/ccm1QWMo.o
collect2: error: ld returned 1 exit status
Language: C++

#include <iostream>
#include <vector>
#include<list>
#include <algorithm>
#include <string>
#include <math.h>
#include<map>
#include <utility>

#include<queue>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
 
#define INF (1e9)
typedef long long unsigned int ll;
#define SIZE_OF_ARRAY(array) (sizeof(array)/sizeof(array[0]))
 

template<typename T>
int vector_finder(std::vector<T> vec, T number) {
  auto itr = std::find(vec.begin(), vec.end(), number);
  size_t index = std::distance( vec.begin(), itr );
  if (index != vec.size()) { // 発見できたとき
    return 1;
  }
  else { // 発見できなかったとき
    return 0;
  }
}

int gcd(int a,int b){
	if(b>0){
		return gcd(b, a % b);
	}else{
		return a;
	}
}

int N;

int main()
{
	cin >> N;
	ll a[N];
	REP(i,N){
		cin >> A[i];
	}
	map<int, int> mp;
	for (int i = 0; i < N; i++)
		mp[A[i]]++;
 
	int ans = 0;
	for (auto p: mp) {
		int x = p.first;
		int n = p.second;
		if (n < x) ans += n;
		else ans += n - x;
	}
 
	cout << ans << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:46:24: error: 'A' was not declared in this scope
   46 |                 cin >> A[i];
      |                        ^
a.cc:50:20: error: 'A' was not declared in this scope
   50 |                 mp[A[i]]++;
      |                    ^
Language: C++

#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<map>
using namespace std;
#define ll long long
#define R register
map<int,int>m;
vector<int>v;
int main()
{
    int n,ans,x;
    cin>>n;
    for(R int i=1;i<=n;++i)
    {
        cin>>x;
        if(m[x]==0) v.push_back(x);
        ++m[x];
    }
    for(R int i=0;i<v.size();++i)if(m[v[i]]>=v[i])ans+=m[v[i]]-v[i];else ans+=m[v[i]];
    cout<<ans;
    return 0;
}

Compiler output:
a.cc:11:1: error: 'vector' does not name a type
   11 | vector<int>v;
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:16:15: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   16 |     for(R int i=1;i<=n;++i)
      |               ^
a.cc:19:21: error: 'v' was not declared in this scope
   19 |         if(m[x]==0) v.push_back(x);
      |                     ^
a.cc:22:15: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   22 |     for(R int i=0;i<v.size();++i)if(m[v[i]]>=v[i])ans+=m[v[i]]-v[i];else ans+=m[v[i]];
      |               ^
a.cc:22:21: error: 'v' was not declared in this scope
   22 |     for(R int i=0;i<v.size();++i)if(m[v[i]]>=v[i])ans+=m[v[i]]-v[i];else ans+=m[v[i]];
      |                     ^
Language: C++

#include<bits/stdc++.h>

#define rep(i, a, n)  for(ll i=a; i<n; i++)
#define per(i, a, n)  for(ll i=n-1; i>=a; i--)
#define fill0(n)  setfill('0') << right << setw(n)
#define all(x)  (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define LONGMAX 1e18
#define INTMAX int(1e9)
using namespace std;
typedef long long ll;
ll n;
// ll a[100100];
// vector <ll> v(INTMAX+1,0);
int v[INTMAX+1];

int main(){
  cin >> n;
  ll max_a=0;
  rep(i,0,INTMAX+2)v[i]=0;
  rep(i,1,n+1){
    ll tmp_a;
    cin >> tmp_a;
    v[tmp_a]++;
    if(tmp_a > max_a)max_a=tmp_a;
  }
  ll res =0;
  rep(i,1,max_a+1){
    if(v[i]!=0)res += min(abs(v[i] - i), v[i]);
  }
  res = min(res,n);
  std::cout << res << '\n';
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:26: error: no matching function for call to 'min(long long int, int&)'
   29 |     if(v[i]!=0)res += min(abs(v[i] - i), v[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:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:29:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   29 |     if(v[i]!=0)res += min(abs(v[i] - i), v[i]);
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:29:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   29 |     if(v[i]!=0)res += min(abs(v[i] - i), v[i]);
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~
Language: C++

import bisect

N = int( input() )
a = list( map(int, input().split()) )

a.sort()
bp = bisect.bisect_right( a, 1e+5 )

ans = 0
ans += len( a[bp:] )

num = [0] * (100001)
for i in a[:bp]: num[i] += 1

for i in range(len(num)):
    if num[i] > i: ans += num[i] - i
    if num[i] < i: ans += num[i]

print( ans )

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

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define MM 1000000000
#define MOD MM+7
#define MAX 101000
#define MAP 110
#define initial_value -1
#define Pair pair<int,int>
#define chmax(a,b) (a<b ? a=b:0)
#define chmin(a,b) (a>b ? a=b:0)
ll INF = 1e18;
int dx[4] = {-1,0,1,0};
int dy[4] = {0,-1,0,1};
ll A,B,Q;
int main(){
    ll N; cin >> N;
    ll a[N];
    map<ll,ll> mp;
    set<ll> st;
    for(ll i = 0; i < N; i++){
        cin >> a[i];
        mp[a[i]]++;
        st.insert(a[i]);
    }
    ll ans = 0;
    for(ll i = 0; i <= st.size(); i++){
        ans += abs(mp[st[i]] - st[i]);
    }
    cout << ans << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:28:25: error: no match for 'operator[]' (operand types are 'std::set<long long int>' and 'll' {aka 'long long int'})
   28 |         ans += abs(mp[st[i]] - st[i]);
      |                         ^
a.cc:28:34: error: no match for 'operator[]' (operand types are 'std::set<long long int>' and 'll' {aka 'long long int'})
   28 |         ans += abs(mp[st[i]] - st[i]);
      |                                  ^
Language: C++

#include <vector>
#include <iostream>
#include <cmath>
#include <string>
#include <cstring>
#include <algorithm>
#include <numeric>
#include <utility>
using namespace std;

int main(){
    ios::sync_with_stdio(false);
    long long int n,c=0;
    cin>>n;
    vector<int>a(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    sort(a.begin(),a.end());
    for(long long int i=0;i<n;){
        long long int dif=upper_bound(a.begin(),a.end(),a[i])-lower_bound(a.begin(),a.end(),a[i]){
        if(dif==a[i]){
            i+=dif;
        }else{
            if(dif<a[i]){
                c+=dif;
                i+=dif;
            }else{
                c+=dif-a[i];
                i+=dif;
            }
        }
        if(i+dif>n){
            break;
        }
    }
    cout<<c;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:98: error: expected ',' or ';' before '{' token
   21 |         long long int dif=upper_bound(a.begin(),a.end(),a[i])-lower_bound(a.begin(),a.end(),a[i]){
      |                                                                                                  ^
a.cc:38:2: error: expected '}' at end of input
   38 | }
      |  ^
a.cc:11:11: note: to match this '{'
   11 | int main(){
      |           ^
Language: C++

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

using namespace std;

#define lli long long int
#define REP(i,n) for(int i=0;i<n;i++)
#define DEBUG 1

int main(){

	map<lli,lli> data;
	set<lli>     s;

	lli n;
	cin>>n;
	REP(i,n){
		lli tmp;
		cin>>tmp;
		data[tmp]++;
		s.insert(tmp);
	}
	lli ans=0;

	for(auto itr = s.begin();itr != s.end();itr++){
		lli num = data[*itr];
		lli index = *itr;
		if(num > index){
			ans+=num-index;
		}
		else if(num < inxex){
			ans += num;
		}
		else{/*num == Index*/
		}
	}
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:31: error: 'inxex' was not declared in this scope; did you mean 'index'?
   35 |                 else if(num < inxex){
      |                               ^~~~~
      |                               index
Language: C++

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

using namespace std;

#define lli long long int
#define REP(i,n) for(int i=0;i<n;i++)
#define DEBUG 1

int main(){

	map<lli,lli> data;
	set<lli>     s;

	lli n;
	cin>>n;
	REP(i,n){
		lli tmp;
		cin>>tmp;
		data[tmp]++;
		s.insert(tmp);
	}
	lli ans=0;

	for(auto itr = s.begin();itr != s.end();itr++){
		lli num = data[*itr];
		lli index = *itr;
		if(num > index){
			ans+=num-index;
		}
		else if(num < inxex){
			ans += num;
		}
		else{/*num == Index*/
		}
	}
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: 'set' was not declared in this scope
   16 |         set<lli>     s;
      |         ^~~
a.cc:6:1: note: 'std::set' is defined in header '<set>'; this is probably fixable by adding '#include <set>'
    5 | #include <map>
  +++ |+#include <set>
    6 | 
a.cc:9:13: error: expected primary-expression before 'long'
    9 | #define lli long long int
      |             ^~~~
a.cc:16:13: note: in expansion of macro 'lli'
   16 |         set<lli>     s;
      |             ^~~
a.cc:24:17: error: 's' was not declared in this scope
   24 |                 s.insert(tmp);
      |                 ^
a.cc:28:24: error: 's' was not declared in this scope
   28 |         for(auto itr = s.begin();itr != s.end();itr++){
      |                        ^
a.cc:34:31: error: 'inxex' was not declared in this scope; did you mean 'index'?
   34 |                 else if(num < inxex){
      |                               ^~~~~
      |                               index
Language: C

#include <iostream>
#include <stdlib.h>
using namespace std;

int compare_int(const void *a, const void *b){
    return *(int*)a - *(int*)b;
}

int main(){
    int N,*a,i,count=1,tmp,dis,sum=0;
    cin >> N;
    a = new int[N];
    for(i=0;i<N;i++){
        cin >> a[i];
    }
    qsort(a,N,sizeof(int),compare_int);
    tmp = a[0];
    for(i=1;i<N;i++){
        if(tmp==a[i]){
            count++;
        }else{
            dis = count - a[i-1];
            if(dis>=0){
                sum += dis;
            }else{
                sum += count;
            }
            tmp = a[i];
            count = 1;
        }
    }
    dis = count - a[N-1];
    if(dis>=0){
        sum += dis;
    }else{
        sum += count;
    }
    cout << sum;
    return 0;
}

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

#include <bits/stdc++.h>
#define int long long
#define inf 1e9
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
int a[224524];
signed main(){
	int n,k,trueans=0;
	cin>>n>>k;
	rep(i,n)cin>>a[i];
	int cnt[224524];
	for(int i=0;i<n;i++){
			cnt[i]=upper_bound(a,a+n,a[i])-lower_bound(a,a+n,a[i]);
		}
	}
	sort(cnt,cnt+n);
	for(int i=0;i<k;i++){
		if(cnt[i]==cnt[i+1])continue;
		trueans+=cnt[i];
	}
	cout<<trueans<<endl;
}

Compiler output:
a.cc:16:13: error: expected constructor, destructor, or type conversion before '(' token
   16 |         sort(cnt,cnt+n);
      |             ^
a.cc:17:9: error: expected unqualified-id before 'for'
   17 |         for(int i=0;i<k;i++){
      |         ^~~
a.cc:17:21: error: 'i' does not name a type
   17 |         for(int i=0;i<k;i++){
      |                     ^
a.cc:17:25: error: 'i' does not name a type
   17 |         for(int i=0;i<k;i++){
      |                         ^
a.cc:21:9: error: 'cout' does not name a type
   21 |         cout<<trueans<<endl;
      |         ^~~~
a.cc:22:1: error: expected declaration before '}' token
   22 | }
      | ^
Language: C++

using System;
using System.Diagnostics;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        int[] a = Console.ReadLine().Split().Select(i => int.Parse(i)).ToArray();
        var b = new Dictionary<int, int>();
        for (int i = 0; i < n; i++)
        {
            int value;
            if (b.TryGetValue(a[i], out value))
                b[a[i]]++;
            else
                b.Add(a[i], 1);
        }
        int ans = 0;
        for (int i = b.Count - 1; 0 <= i; i--)
        {
            if (b.ElementAt(i).Key < b.ElementAt(i).Value)
                ans += (b.ElementAt(i).Value - b.ElementAt(i).Key);
            else if (b.ElementAt(i).Key > b.ElementAt(i).Value)
                ans += b.ElementAt(i).Value;
        }
        Console.WriteLine(ans);
    }
}

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Diagnostics;
      |       ^~~~~~
a.cc:3:7: error: expected nested-name-specifier before 'System'
    3 | using System.Collections.Generic;
      |       ^~~~~~
a.cc:4:7: error: expected nested-name-specifier before 'System'
    4 | using System.Linq;
      |       ^~~~~~
a.cc:31:2: error: expected ';' after class definition
   31 | }
      |  ^
      |  ;
a.cc: In static member function 'static void Program::Main()':
a.cc:10:17: error: expected primary-expression before 'int'
   10 |         int n = int.Parse(Console.ReadLine());
      |                 ^~~
a.cc:11:12: error: structured binding declaration cannot have type 'int'
   11 |         int[] a = Console.ReadLine().Split().Select(i => int.Parse(i)).ToArray();
      |            ^~
a.cc:11:12: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:11:12: error: empty structured binding declaration
a.cc:11:15: error: expected initializer before 'a'
   11 |         int[] a = Console.ReadLine().Split().Select(i => int.Parse(i)).ToArray();
      |               ^
a.cc:12:9: error: 'var' was not declared in this scope
   12 |         var b = new Dictionary<int, int>();
      |         ^~~
a.cc:16:17: error: 'b' was not declared in this scope
   16 |             if (b.TryGetValue(a[i], out value))
      |                 ^
a.cc:16:31: error: 'a' was not declared in this scope
   16 |             if (b.TryGetValue(a[i], out value))
      |                               ^
a.cc:16:37: error: 'out' was not declared in this scope
   16 |             if (b.TryGetValue(a[i], out value))
      |                                     ^~~
a.cc:22:22: error: 'b' was not declared in this scope
   22 |         for (int i = b.Count - 1; 0 <= i; i--)
      |                      ^
a.cc:29:9: error: 'Console' was not declared in this scope
   29 |         Console.WriteLine(ans);
      |         ^~~~~~~
Language: C

#include<stdio.h>

int main(){
	int n,i;
	long tmp,a[100001]={0},ans=0;
	scanf("%d",&n);
	for(i=0;i<n;i++){
		scanf("%d",&tmp);
		if(tmp>100000)ans++;
		else a[tmp]++;
	}
	for(i=0;i<=100000;i++){
		if(i<a[i])ans+=a[i];
		else ans+=a[i]-a;
	}
	printf("%ld\n",ans);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:31: error: invalid operands to binary - (have 'long int' and 'long int *')
   14 |                 else ans+=a[i]-a;
      |                           ~~~~^
      |                            |  |
      |                            |  long int *
      |                            long int
Language: C++


#include <iostream>
#include <vector>
#include <bitset>
#include <cmath>
#include <map>
#include <algorithm>
#include <queue>
#include <chrono>
#include <array>
#include <random>
#include <fstream>
#include <list>
typedef int long long ll;
using namespace std;
int a[100000];
int main(){

    int n;cin>>n;
    rep(i,n){
        cin>>a[i];
    }
    map<int,int> mp;
    for(int i=0;i<N;i++){
        mp[a[i]]++;
        
    }
    int ans=0;
    for(auto p:mp){
        int x=p.first;
        int n=p.second;
        if(n<x){
            ans+=n;
        }else{
            ans+=n-x;
        }
    }
    cout<<ans<<endl;
    
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:9: error: 'i' was not declared in this scope
   20 |     rep(i,n){
      |         ^
a.cc:20:5: error: 'rep' was not declared in this scope; did you mean 'frexp'?
   20 |     rep(i,n){
      |     ^~~
      |     frexp
a.cc:24:19: error: 'N' was not declared in this scope
   24 |     for(int i=0;i<N;i++){
      |                   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
map<int,int>k;
int main()
{
     int n,x,a[100001],ans,ansx=0;
     cin>>n;
     for(int i=1;i<=n;i++)
     {
     	cin>>a[i];
     	k[a[i]]++;
	 }
	 sort(a+1,a+n+1);
	 ans=unique(a+1,a+n+1)-a-1;
	 cout<<ans<<endl;
	 for(int i=1;i<=ans;i++)
	 {
	 	if(s[k]<k) ansx+=k;
	 	if(s[k]>k) ansx+=s[k]-k;
	 }
	 cout<<ansx<<endl;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: 's' was not declared in this scope
   18 |                 if(s[k]<k) ansx+=k;
      |                    ^
a.cc:18:32: error: no match for 'operator+=' (operand types are 'int' and 'std::map<int, int>')
   18 |                 if(s[k]<k) ansx+=k;
      |                            ~~~~^~~
a.cc:19:20: error: 's' was not declared in this scope
   19 |                 if(s[k]>k) ansx+=s[k]-k;
      |                    ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define MM 1000000000;
#define mod MM + 7;
#define INF (ll)1e18
#define pi acos(-1.0)
#define MAX 100005
#define NIL -1
int main(){
    ll n; cin >> n;
    ll a[n];
    map<ll, int> mp;
    vector<ll> v;
    ll cnt = 0;
    for(ll i = 0; i < n; i++){
        cin >> a[i];
        if(mp[a[i]] == 0) v.push_back(a[i]);
        mp[a[i]]++;
    }
    ll n = v.size();
    for(ll i = 0; i < n; i++){
        if(mp[v[i]] < v[i]) cnt += v[i];
        else if(mp[v[i]] > v[i]) cnt += mp[v[i]] - v[i];
    }
    cout << cnt << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:8: error: redeclaration of 'll n'
   21 |     ll n = v.size();
      |        ^
a.cc:11:8: note: 'll n' previously declared here
   11 |     ll n; cin >> n;
      |        ^