criyle/codenet-compile-errors huggingface dataset:
Language: Java

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

public class Sample {
	public static void main(String args[]) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");
		int n = Integer.parseInt(str[0]);
		int m = Integer.parseInt(str[1]);

		int l[] = new int[m];
		int r[] = new int[m];

		int maxL = 0;
		int minR = Integer.MAX_VALUE;

		for (int i = 0; i < m; i++) {
			str = br.readLine().split(" ");
			l[i] = Integer.parseInt(str[0]);
			r[i] = Integer.parseInt(str[1]);
			maxL = Math.max(maxL, l[i]);
			minR = Math.min(minR, r[i]);
		}
		int ans = (minR - maxL) + 1;
		if (ans < 0) {
			ans = 0;
		}
		System.out.println(ans);
	}
}

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

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

public class Sample {
	public static void main(String args[]) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");
		int n = Integer.parseInt(str[0]);
		int m = Integer.parseInt(str[1]);

		int l[] = new int[m];
		int r[] = new int[m];

		int maxL = 0;
		int minR = Integer.MAX_VALUE;

		for (int i = 0; i < m; i++) {
			str = br.readLine().split(" ");
			l[i] = Integer.parseInt(str[0]);
			r[i] = Integer.parseInt(str[1]);
			maxL = Math.max(maxL, l[i]);
			minR = Math.min(minR, r[i]);
		}
		System.out.println((minR - maxL) + 1);
	}
}

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

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

int main(){


int n,m;
cin >> n >> m ;
vector<int> l(m);
vector<int> r(m);

for(int i=0;i<m;i++){
  cin >> l.at(i) >> r.at(i);
}


int min = *max_element(l.begin(),l.end());
int max = *min_element(r.begin(),r.end());

if(min<max)cout << max-min +1 << endl;
else cout << 0 << endl;

retuen 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:1: error: 'retuen' was not declared in this scope
   23 | retuen 0;
      | ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,m;
  cin>>n>>m;
  vector<int>a(m+1);
  vector<int>l(m),r(m);
  for(int i=0;i<m;i++){
    cin>>l[i]>>r[i];
  }
  sort(l.begin(),l.end());
  sort(r.begin(),r.end());
 if(r[0]>=l[m-1])cout<<r[0]-l[m-1]+1;
  else cout<<0;
}​

Compiler output:
a.cc:15:2: error: '\U0000200b' does not name a type
   15 | }​
      |
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,m;
  cin>>n>>m;
  vector<int>a(m+1);
  vector<int>l(m),r(m);
  for(int i=0;i<m;i++){
    cin>>l[i]>>r[i];
  }
  sort(l.begin(),l.end());
  sort(r.begin(),r.end());
 if(r[0]>=l[m-1])cout<<r[0]-l[m-1]+1;
  else cout<<0;


Compiler output:
a.cc: In function 'int main()':
a.cc:14:16: error: expected '}' at end of input
   14 |   else cout<<0;
      |                ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,m;
  cin>>n>>m;
  vector<int>a(m+1);
  vector<int>l(m),r(m);
  for(int i=0;i<m;i++){
    cin>>l[i]>>r[i];
  }
  sort(l.begin(),l.end());
  sort(r.begin(),r.end());
  cout<<r[0]-l[m-1]+1<<endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:13:29: error: expected '}' at end of input
   13 |   cout<<r[0]-l[m-1]+1<<endl;
      |                             ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,m;
  cin>>n>>m;
  vector<int>l(m),r(m);
  for(int i=0;i<m;i++)cin>>l[i]>>r[i];
  int mr=0;
  for(int i=0;i<m;i++){
    if(mr<r[i]){
      mr=r[i];
    }
  }
  vector<int>a(m);
  int cnt=0;
  for(int i=0;i<m;i++){
  for(int j=l[i];j<=r[i];j++){
    a[j-1]++;
  }
  }
  int ans=0;
  for(int i=0;i<m;i++){
    if(a[i]==m)ans++;
  }
  cout<<ans<<endl;
}
}

Compiler output:
a.cc:27:1: error: expected declaration before '}' token
   27 | }
      | ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  int N,M;
  cin >> N >> M;
  int max_l=1;
  int min_r=N;
  for(int i=0;i<M;i++){
    cin >> l >> r;
    max_l = max(max_l,l);
    min_r = min(min_r,r);
  }
  cout << max(0, min_r-max_l+1) << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:12: error: 'l' was not declared in this scope
    9 |     cin >> l >> r;
      |            ^
a.cc:9:17: error: 'r' was not declared in this scope
    9 |     cin >> l >> r;
      |                 ^
Language: Java

import java.util.*;

public class Main{

    public static void main(String args[]){
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int M = sc.nextInt();
        int[] L = new int[M];
        int[] R = new int[M];
        for(int i = 0; i < M; i++){
            L[i] = sc.nextInt();
            R[i] = sc.nextInt();
        }
        sc.close();

        if(min(R) - max(L) < 0)
            System.out.println(0);
        else   
            System.out.println(min(R) - min(L) + 1);
    }

    static int min(int[] l){
        int min = l[0];
        for(int i = 0; i < l.length; i++){
            if(l[i] < min)
                min = l[i];
        }
        return min;
    }
    static int max(int[] r){
        int max = r[0];
        for(int i = 0; i < r.length; i++){
            if(r[i] < max)
                mmax = r[i];
        }
        return max;
    }
}


Compiler output:
Main.java:35: error: cannot find symbol
                mmax = r[i];
                ^
  symbol:   variable mmax
  location: class Main
1 error
Language: Java

import java.util.*;

public class Main{

    public static void main(String args[]){
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int M = sc.nextInt();
        int[] L = new int[M];
        int[] R = new int[M];
        for(int i = 0; i < M; i++){
            L[i] = sc.nextInt();
            R[i] = sc.nextInt();
        }

        if(min(R) - max(L) < 0)
            System.out.println(0);
        else   
            System.out.println(min(R) - min(L) + 1);
    }

    static int min(int[] l){
        int min = l[0];
        for(int i = 0; i < l.length; i++){
            if(l[i] < min)
                min = l[i];
        }
        return min;
    }
    static int max(int[] r){
        int max = r[0];
        for(int i = 0; i < r.length; i++){
            if(r[i] < max)
                mmax = r[i];
        }
        return max;
    }
}


Compiler output:
Main.java:34: error: cannot find symbol
                mmax = r[i];
                ^
  symbol:   variable mmax
  location: class Main
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N;
  int M;
  cin >>N>>M;
  vector<long long>data1(M);
  vector<long long>data2(M);
  for (int i=0;i<M;i++){
  cin >>data1.at(i)>>data2.at(i);
  }
  sort(data1.begin(),data1.end());
  sort(data2.begin(),data2.end());
  cout <<max(data2.at(0)-data1.at(M-1)+1,0)<<endl;
}

  
  
  
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type, int)'
   15 |   cout <<max(data2.at(0)-data1.at(M-1)+1,0)<<endl;
      |          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:15:13: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   15 |   cout <<max(data2.at(0)-data1.at(M-1)+1,0)<<endl;
      |          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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:15:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   15 |   cout <<max(data2.at(0)-data1.at(M-1)+1,0)<<endl;
      |          ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <cstdint>
#include <cmath>
#include <vector>
#include <map>
#include <queue>
#include <set>
#include <algorithm>
#include <cassert>

using namespace std;
typedef int64_t SI;
typedef uint64_t UI;

using namespace std;

int main() {

  UI N,M;
  cin >> N >> M;

  SI lmax = 0;
  SI rmin = N;
  for(UI i=0; i<M; i++) {
    SI l, r;
    cin >> l >> r;
    lmax = max(lmax, l);
    rmin = min(rmin, r);
  }
  cout << max(rmin - lmax + 1, 0LL) << endl;

  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:30:14: error: no matching function for call to 'max(SI, long long int)'
   30 |   cout << max(rmin - lmax + 1, 0LL) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:30:14: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'long long int')
   30 |   cout << max(rmin - lmax + 1, 0LL) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~
/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,
                 from a.cc:8:
/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:30:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   30 |   cout << max(rmin - lmax + 1, 0LL) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
ll gcd(ll a,ll b){return b!=0?gcd(b,a%b):a;}
ll lcm(ll a,ll b){return a*b/gcd(a,b);}

int main(){
    ll n,m;
    cin>>n>>m;
    ll l=1,r=n,lp,rp;
    for(ll i=0;i<m;i++){
        cin>>lp>>rp;
        if(lp>l) l=lp;
        if(rp<r) r=rp;
    }
    cout<<max(0,r-l+1)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:14: error: no matching function for call to 'max(int, ll)'
   17 |     cout<<max(0,r-l+1)<<endl;
      |           ~~~^~~~~~~~~
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:17:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   17 |     cout<<max(0,r-l+1)<<endl;
      |           ~~~^~~~~~~~~
/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:17:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   17 |     cout<<max(0,r-l+1)<<endl;
      |           ~~~^~~~~~~~~
Language: C++

int main(){
  int N,M,D,R;
  cin >>N>>M;
  int MIN=100000;
  int MAX=0;
  for (int i=0;i<M;i++){
    cin >>D>>R;
    MAX=max(MAX,D);
    MIN=min(MIN,R);
  }
  int ans=MIN-MAX+1;
  if (ans>=1){
    cout <<ans<< endl;
  }else{
    cout <<0;
  }  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >>N>>M;
      |   ^~~
a.cc:8:9: error: 'max' was not declared in this scope
    8 |     MAX=max(MAX,D);
      |         ^~~
a.cc:9:9: error: 'min' was not declared in this scope; did you mean 'main'?
    9 |     MIN=min(MIN,R);
      |         ^~~
      |         main
a.cc:13:5: error: 'cout' was not declared in this scope
   13 |     cout <<ans<< endl;
      |     ^~~~
a.cc:13:18: error: 'endl' was not declared in this scope
   13 |     cout <<ans<< endl;
      |                  ^~~~
a.cc:15:5: error: 'cout' was not declared in this scope
   15 |     cout <<0;
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
#define rep(i,n) for(int (i) = 0;(i) < (n);(i)++)
#define SORT(c) sort((c).begin(),(c).end())
#define MOD 1000000007 //S.size() 配列名.Length()
using namespace std;
typedef unsigned long long ll;

int main(void){
	int n, m;
	cin >> n >> m;
	vector<int> l(m);
	vector<int> r(m);
	for(int i = 0; i < m; i++) cin >> l[i] >> r[i];

	SORT(l);
	SORT(r);

	ans = r[0] - l[m - 1] + 1;

	cout << (ans >= 0 ? ans : 0) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |         ans = r[0] - l[m - 1] + 1;
      |         ^~~
      |         abs
Language: Java

import java.util.Scanner;
import java.util.Arrays;
 
public class Main{
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int m = Integer.parseInt(sc.next());
        int[] l = new int[m];
        int[] r = new int[m];
        int l1 = min(l); 
        int r1 = max(r);
        for(int i = 0; i < m; i++){
            l[i] = Integer.parseInt(sc.next());
            r[i] = Integer.parseInt(sc.next());
        }
        sc.close();
        
        int count = 0;
        if(m != 1 && l1 > r1){
            count = 0;
        }
        else{
            count = r1 -l1 +1;
        }
        
        System.out.println(count);
        
    }
}


Compiler output:
Main.java:12: error: cannot find symbol
        int l1 = min(l); 
                 ^
  symbol:   method min(int[])
  location: class Main
Main.java:13: error: cannot find symbol
        int r1 = max(r);
                 ^
  symbol:   method max(int[])
  location: class Main
2 errors
Language: Java

import java.util.Scanner;
import java.util.Arrays;
 
public class Main{
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int m = Integer.parseInt(sc.next());
        int[] l = new int[m];
        int[] r = new int[m];
        l1 = min(l); r1 = max(r);
        for(int i = 0; i < m; i++){
            l[i] = Integer.parseInt(sc.next());
            r[i] = Integer.parseInt(sc.next());
        }
        sc.close();
        
        int count = 0;
        if(m != 1 && l1 > r1){
            count = 0;
        }
        else{
            count = r1 -l1 +1;
        }
        
        System.out.println(count);
        
    }
}


Compiler output:
Main.java:12: error: cannot find symbol
        l1 = min(l); r1 = max(r);
        ^
  symbol:   variable l1
  location: class Main
Main.java:12: error: cannot find symbol
        l1 = min(l); r1 = max(r);
             ^
  symbol:   method min(int[])
  location: class Main
Main.java:12: error: cannot find symbol
        l1 = min(l); r1 = max(r);
                     ^
  symbol:   variable r1
  location: class Main
Main.java:12: error: cannot find symbol
        l1 = min(l); r1 = max(r);
                          ^
  symbol:   method max(int[])
  location: class Main
Main.java:20: error: cannot find symbol
        if(m != 1 && l1 > r1){
                     ^
  symbol:   variable l1
  location: class Main
Main.java:20: error: cannot find symbol
        if(m != 1 && l1 > r1){
                          ^
  symbol:   variable r1
  location: class Main
Main.java:24: error: cannot find symbol
            count = r1 -l1 +1;
                    ^
  symbol:   variable r1
  location: class Main
Main.java:24: error: cannot find symbol
            count = r1 -l1 +1;
                        ^
  symbol:   variable l1
  location: class Main
8 errors
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
 int $(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 
signed main(){
  int a,b,c,e=1000000000000,d=0;
  cin>>a>>b;
  for(int i=0;i<b;i++){
    cin>>c;
    d=max(c,d);
    cin>>c;
    e=min(c,e);
  }
  cout<<max(0,e-d+1)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:12: error: no matching function for call to 'max(int, long long int)'
   20 |   cout<<max(0,e-d+1)<<endl;
      |         ~~~^~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:20:12: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   20 |   cout<<max(0,e-d+1)<<endl;
      |         ~~~^~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:20:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |   cout<<max(0,e-d+1)<<endl;
      |         ~~~^~~~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

inline void read() 
{
    int x = 0, f = 1; 
	char ch = getchar();
    while(ch < '0' || ch > '9') 
	{ 
		if (ch == '-') 
			f = -1; 
			ch = getchar(); 
	}
    while(ch >= '0' && ch <= '9') 
	{ 
		x = x * 10 + ch - 48;
		ch = getchar(); 
	}
    return x * f;
}

int main() 
{
    int n = read(), m = read();
    int l = 1, r = n;
    while(m--) 
	{
        int u = read(), v = read();
        l = max(l, u);
		r = min(r, v);
    }
    int ans;
    if(l > r) 
		ans = 0;
    else 
		ans = r - l + 1;
    cout << ans;
    return 0;
}

Compiler output:
a.cc: In function 'void read()':
a.cc:20:14: error: return-statement with a value, in function returning 'void' [-fpermissive]
   20 |     return x * f;
      |            ~~^~~
a.cc: In function 'int main()':
a.cc:25:17: error: void value not ignored as it ought to be
   25 |     int n = read(), m = read();
      |             ~~~~^~
a.cc:25:29: error: void value not ignored as it ought to be
   25 |     int n = read(), m = read();
      |                         ~~~~^~
a.cc:29:21: error: void value not ignored as it ought to be
   29 |         int u = read(), v = read();
      |                 ~~~~^~
a.cc:29:33: error: void value not ignored as it ought to be
   29 |         int u = read(), v = read();
      |                             ~~~~^~
Language: C++

"/mnt/c/Users/長岡慶太/Dropbox/Atcoder/AtCoder practice/cmake-build-debug/practice"
10 3
3 6
5 7
6 910 3
3 6
5 7
6 9

1

Process finished with exit code 0


Compiler output:
a.cc:1:1: error: expected unqualified-id before string constant
    1 | "/mnt/c/Users/長岡慶太/Dropbox/Atcoder/AtCoder practice/cmake-build-debug/practice"
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <utility>
#include <tuple>
#include <string>
#include <cctype>
#include <cstdio>
#include <math.h>
using f32 = float;
using f64 = double;
using f80 = __float80;
constexpr int64_t INF = 1'010'000'000'000'000'017LL;

constexpr int64_t MOD = 1'000'000'007LL;

constexpr f64 EPS = 1e-12;

constexpr f64 PI = asin(-1.0);
using namespace std;
using LL = long long;
using ULL = unsigned long long;
using vi = vector<int>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vvi = vector<vi>;
using vs = vector<string>;
using vl = vector<LL>;
using vvl = vector<vl>;
using P = pair<int, int>;
using T = tuple<int, int, int>;
using vp = vector<P>;
#define rep(i, n) for (i64 i = 0; i < (int)(n); i++)
#define FOR(i, m, n) for (i64 i = m; i < n; i++)
#define SORT(x) sort(x.begin(), x.end())
#define REVE(x) reverse(x.begin(), x.end())
#define all(x) (x).begin(), (x).end()
#define fst first
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define pob pop_back
#define sw swap
#define UP(x) transform(x.begin(), x.end(), x.begin(), ::toupper);
#define LOW(x) transform(x.begin(), x.end(), x.begin(), ::tolower);
struct initon
{
    initon()
    {
        cin.tie(0);
        ios::sync_with_stdio(false);
    };
};
template <class T>
inline bool chmax(T &a, T b)
{
    if (a < b)
    {
        a = b;
        return 1;
    }
    return 0;
}
template <class T>
inline bool chmin(T &a, T b)
{
    if (a > b)
    {
        a = b;
        return 1;
    }
    return 0;
}

int main()
{
    int a, b, c, d, n, m;
    cin >> n >> m;
    rep(i, m)
    {
        cin >> a, b;
        c = max(a, b);
        d = min(a, b);
    }
    cout << max(0, c - d + 1);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:24: error: 'i64' was not declared in this scope; did you mean 'f64'?
   35 | #define rep(i, n) for (i64 i = 0; i < (int)(n); i++)
      |                        ^~~
a.cc:81:5: note: in expansion of macro 'rep'
   81 |     rep(i, m)
      |     ^~~
a.cc:81:9: error: 'i' was not declared in this scope
   81 |     rep(i, m)
      |         ^
a.cc:35:35: note: in definition of macro 'rep'
   35 | #define rep(i, n) for (i64 i = 0; i < (int)(n); i++)
      |                                   ^
Language: C++

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

int main(){
    int n, m; cin >> n >> m;
    vector<int> l(m), r(m);
    rep(i, m) cin >> l[i] >> r[i];
    sort(all(l));
    sort(all(r));
    ans = r[0] - l[m-1] + 1;
    if(ans > 0) cout << ans << endl;
    else cout << 0 << endl;
}
   

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |     ans = r[0] - l[m-1] + 1;
      |     ^~~
      |     abs
Language: C++

#include <iostream>
using namespace std;
int n,m,l,r,arr[100100],ans;
int main ()
{
cin>>n>>m;
for(int i=0;<i<m;i++)
  {
  cin>>l>>r;
    arr[l]++;
    arr[r+1]--;
  }
  for(int i=1;i<=n;i++)
  {
 arr[i]+=arr[i-1];
    if(arr[i]==m)
    ans++;
  }

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: expected primary-expression before '<' token
    7 | for(int i=0;<i<m;i++)
      |             ^
Language: C++

#include <iostream>
using namespace std;
int n,m,l,r,arr[100100],ans;
int main ()
{
cin>>n>>m;
for(int i=0;<i<m;i++)
  {
  cin>>l>>r;
    arr[l]++;
    arr[r+1]++;
  }
  for(int i=1;i<=n;i++)
  {
 arr[i]+=arr[i-1];
    if(arr[i]==m)
    ans++;
  }

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: expected primary-expression before '<' token
    7 | for(int i=0;<i<m;i++)
      |             ^
Language: C++

  #include<bits/stdc++.h>
using namespace std;
int main(){
  
  long long int N,M;
  cin>>N>>M;
  vector<long long int>L(M);
  vector<long long int>R(M);
  
  long long int min=100000;
  long long int max=0;
  
  for(long long int i=0;i<M;i++){
    cin>>L[i]>>R[i];
    if(L[i]=>max){
      max=L[i];
    }
    
    if(R[i]=<min){
      min=R[i];
  }
  }

  
  cout<<min-max+1<<endl;
}

      
        


Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: expected primary-expression before '>' token
   15 |     if(L[i]=>max){
      |             ^
a.cc:19:13: error: expected primary-expression before '<' token
   19 |     if(R[i]=<min){
      |             ^
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<map>
#include<set>
#include<cstdio>
#include<cmath>
#include<numeric>
#include<queue>
#include<stack>
#include<cstring>
#include<limits>
#define rep(i,a) for(int i=(int)0;i<(int)a;++i)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
using ll=long long;
static const ll mod = 1e9 + 7;
static const ll INF = 1LL << 50;
using namespace std;


int main() {
	ll n,m;
    cin>>n>>m;
    vector<ll>l(m),r(m);
    ll maxl=0,minr=100005;
    rep(i,m)cin>>l[i]>>r[i];
    rep(i,m){
        maxl=max(maxl,l[i]);
        minr=min(minr,r[i]);
    }
    cout<<minr-minl+1<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:16: error: 'minl' was not declared in this scope; did you mean 'minr'?
   36 |     cout<<minr-minl+1<<endl;
      |                ^~~~
      |                minr
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<map>
#include<set>
#include<cstdio>
#include<cmath>
#include<numeric>
#include<queue>
#include<stack>
#include<cstring>
#include<limits>
#define rep(i,a) for(int i=(int)0;i<(int)a;++i)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
using ll=long long;
static const ll mod = 1e9 + 7;
static const ll INF = 1LL << 50;
using namespace std;


int main() {
	ll n,m;
    cin>>n>>m;
    vector<ll>l(m),r(m);
    ll minl=0,minr=100005;
    rep(i,m)cin>>l[i]>>r[i];
    rep(i,m){
        maxl=max(maxl,l[i]);
        minr=min(minr,r[i]);
    }
    cout<<minr-minl+1<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:9: error: 'maxl' was not declared in this scope; did you mean 'fmaxl'?
   33 |         maxl=max(maxl,l[i]);
      |         ^~~~
      |         fmaxl
Language: C++

using namespace std;
 
int main() {
    int n,m;
    cin >> n >> m;
    int left = 1,right = n;
    for(int i = 0;i<m;i++){
        int l,r;
        cin >> l >> r;
        if(l > left)left = l;
        if(r< right)right = r;
    }
  	if(right < left)cout << 0;
    else cout << right - left + 1;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope
    5 |     cin >> n >> m;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:13:25: error: 'cout' was not declared in this scope
   13 |         if(right < left)cout << 0;
      |                         ^~~~
a.cc:13:25: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:14:10: error: 'cout' was not declared in this scope
   14 |     else cout << right - left + 1;
      |          ^~~~
a.cc:14:10: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <bits/stdc++.h>
 
using namespace std;
 
int main()
{
  int N, M; cin >> N >> M;
 
  vector<int> lv;
  vector<int> lr;
  for (int i = 0; i < M; i++) {
    int a, b = 0;
    cin >> a >> b;
    lv.push_back(a);
    lr.push_back(b); 
  }
  int max = *max_element(lv.begin(), lv.end());
  int min = *min_element(lr.begin(), lr.end());
  
  int ans = max((min - max + 1), 0);
  
  cout << ans << endl;  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:16: error: 'max' cannot be used as a function
   20 |   int ans = max((min - max + 1), 0);
      |             ~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
 
using namespace std;
 
int main()
{
  int N, M; cin >> N >> M;
 
  vector<int> lv;
  vector<int> lr;
  for (int i = 0; i < M; i++) {
    int a, b = 0;
    cin >> a >> b;
    lv.push_back(a);
    lr.push_back(b); 
  }
  int max = *max_element(lv.begin(), lv.end());
  int min = *min_element(lr.begin(), lr.end());
  
  int ans = 0;
    int ans = max((min - max + 1), 0);
  
  cout << ans << endl;  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:9: error: redeclaration of 'int ans'
   21 |     int ans = max((min - max + 1), 0);
      |         ^~~
a.cc:20:7: note: 'int ans' previously declared here
   20 |   int ans = 0;
      |       ^~~
a.cc:21:18: error: 'max' cannot be used as a function
   21 |     int ans = max((min - max + 1), 0);
      |               ~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
 
using namespace std;
 
int main()
{
  int N, M; cin >> N >> M;
 
  vector<int> lv;
  vector<int> lr;
  for (int i = 0; i < M; i++) {
    int a, b = 0;
    cin >> a >> b;
    lv.push_back(a);
    lr.push_back(b); 
  }
  int max = *max_element(lv.begin(), lv.end());
  int min = *min_element(lr.begin(), lr.end());
  if (min <= max) {
    int ans = (min - max + 1);
  } else {
    int ans {0};
  }
  
  cout << ans << endl;  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   25 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for (int i = 0; i < n; i++)
#define REPS(i, x) for (int i = 1; i <= (int)(x); i++)
#define REPR(i, n) for (int i = n; i >= 0; i--)
#define FOR(i, m, n) for (int i = m; i < n; i++)
#define FORS(i, m, n) for (int i = m; i <= n; i++)
#define INF 2e9
#define MOD (1000000007)
#define EPS 1e-9
#define ALL(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef long long int lli;
int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    int N, M, l, r;
    cin >> N >> M;
    int maxL = 1, minR = N;
    REP(i, M)
    {
        cin >> l >> r;
        if (l > maxL)
        {
            maxL = l;
        }
        if (r < minR)
        {
            minR = r;
        }
    }
    cout << (minR - maxL >= 0) ? (minR - maxL + 1) : 0 << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:56: error: invalid operands of types 'int' and 'const char [2]' to binary 'operator<<'
   33 |     cout << (minR - maxL >= 0) ? (minR - maxL + 1) : 0 << "\n";
      |                                                      ~ ^~ ~~~~
      |                                                      |    |
      |                                                      int  const char [2]
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main()
{
  int N, M; cin >> M >> M;

  vector<int> lv;
  vector<int> lr;
  for (int i = 0; i < M; i++) {
    cin >> lv[i];
    cin >> lr[i];
  }
  int max = *max_element(lv.begin(), lv.end());
  if (max < N) max = N;
  int min = *min_element(lr.begin(), lr.end());
  if (min > N) min = N;
  
  count << min - max + 1 << endl;  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:9: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator<<'
   20 |   count << min - max + 1 << endl;
      |   ~~~~~~^~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <vector>
using namespace std;
 
int main() {
	int n,m;
	cin >> n >> m;
	int l=0,r=1e9;
	for (int i=0; i<m; i++){
		int x,y;
		cin >> x >> y;
		if (l<x) l=x;
		if (r>y) r=y;
	}
	if (r-l<0) cout << 0;
	else out << r-l+1;
	return 0;
}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: 'out' was not declared in this scope
   16 |         else out << r-l+1;
      |              ^~~
a.cc: At global scope:
a.cc:19:9: error: expected unqualified-id before 'return'
   19 |         return 0;
      |         ^~~~~~
a.cc:20:1: error: expected declaration before '}' token
   20 | }
      | ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
using namespace std;
int main() {
  int N, M;
  cin >> N >> M;
  
  int l[M], R[M];
  rep(i,M) {
    int r,l;
    cin >> l >> r;
    L[i] = l;
    R[i] = r;
  }
  
  int maxL = 1;
  int minR = N;
  rep(i,M) {
    maxL = max(maxL,L[i]);
    minR = min(minR,R[i]); 
}
  
   int ans = minR - maxL;
   ans = max(ans,0);
  cout << ans << endl;
  return 0;
}
  
   
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: 'L' was not declared in this scope
   12 |     L[i] = l;
      |     ^
a.cc:19:21: error: 'L' was not declared in this scope
   19 |     maxL = max(maxL,L[i]);
      |                     ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
using namespace std;
int main() {
  int N, M;
  cin >> N >> M;
  
  int l[M], R[M];
  rep(i,M) {
    int r,l;
    cin >> l >> r;
    l[i] = l;
    R[i] = r;
  }
  
  int maxL = 1;
  int minR = N;
  rep(i,M) {
    maxL = max(maxL,L[i]);
    minR = min(minR,R[i]); 
}
  
   int ans = minR - maxL;
   ans = max(ans,0);
  cout << ans << endl;
  return 0;
}
  
   
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:12:6: error: invalid types 'int[int]' for array subscript
   12 |     l[i] = l;
      |      ^
a.cc:19:21: error: 'L' was not declared in this scope
   19 |     maxL = max(maxL,L[i]);
      |                     ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
using namespace std;
int main() {
  int N, M;
  cin >> N >> M;
  
  int l[M], R[M];
  rep(i,M) {
    int r,l;
    cin >> l >> r;
    l[i] = l;
    R[i] = r;
  }
  
  int maxL = 1;
  int minR = N;
  rep(i,M) {
    maxL = max(maxL,L[i]);
    minR = min(minR,R[i]); 
}
  
   int ans = minR - maxL;
   ans = max(ans,0);
  return 0;
}
  
   
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:12:6: error: invalid types 'int[int]' for array subscript
   12 |     l[i] = l;
      |      ^
a.cc:19:21: error: 'L' was not declared in this scope
   19 |     maxL = max(maxL,L[i]);
      |                     ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
using namespace std;
int main() {
  int N, M;
  cin >> N >> M;
  int maxL = 1;
  int minR = N;
  rep(i,M) {
    maxL = max(maxL,L[i]);
    minR = min(minR,R[i]); 
}
   int ans = minR - maxL;
   ans = max(ans,0);
  return 0;
}
  
   
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: 'L' was not declared in this scope
   10 |     maxL = max(maxL,L[i]);
      |                     ^
a.cc:11:21: error: 'R' was not declared in this scope
   11 |     minR = min(minR,R[i]);
      |                     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  int M, N;
  vector<int> a;
  vector<int> b;
  for (int i=0;i<N;i++) {
    int l, r;
    cin >> l >> r;
    a.push_back(l);
    b.push_back(r);
  }
  int dai, shou;
  dai = max_element(a.begin(),a.end());
  shou = min_element(b.begin(),b.end());
  if(dai < shou) cout << (shou-dai) << endl;
  return 0;
}
   
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:14:20: error: cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in assignment
   14 |   dai = max_element(a.begin(),a.end());
      |         ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
      |                    |
      |                    __gnu_cxx::__normal_iterator<int*, std::vector<int> >
a.cc:15:21: error: cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in assignment
   15 |   shou = min_element(b.begin(),b.end());
      |          ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
      |                     |
      |                     __gnu_cxx::__normal_iterator<int*, std::vector<int> >
Language: C++

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

int main(){
	int N, M;
	cin >> N >> M;
	vector<int> L(N);
	vector<int> R(N);
	for(int i = 0; i < N; i++ ){
		cin >> L.at(i) >> R.at(i);
	}
	
	int GateJudgeL = L.at(0);
	int GateJudgeR = R.at(0);
	bool judge = true;
	
	for(int i = 0; i < N; i++ ){
		if(gatemin <= gatemax){
			GateJudgeL = max(GateJudgeL, L.at(i));
			GateJudgeR = min(GateJudgeR, R.at(i));
		}
		else {
			judge = false;
			cout << 0 << endl;
		}
	}
	
	if(judge){
		cout << GateJudgeR - GateJudgeL + 1 << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: 'gatemin' was not declared in this scope
   18 |                 if(gatemin <= gatemax){
      |                    ^~~~~~~
a.cc:18:31: error: 'gatemax' was not declared in this scope
   18 |                 if(gatemin <= gatemax){
      |                               ^~~~~~~
Language: C++

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

int main(){
  int N,M;
  cin >> N >> M;
  vector<int> A(M);
  vector<int> B(M);
  for(int i=0;i<M;i++){
    cin >> A.at(i) >> B.at(i);
  }
  int l_max = max_element(A.begin(),A.end());
  int r_min = min_element(B.begin(),B.end());
  cout << max(0,r_min - l_max + 1) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:26: error: cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in initialization
   12 |   int l_max = max_element(A.begin(),A.end());
      |               ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
      |                          |
      |                          __gnu_cxx::__normal_iterator<int*, std::vector<int> >
a.cc:13:26: error: cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in initialization
   13 |   int r_min = min_element(B.begin(),B.end());
      |               ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
      |                          |
      |                          __gnu_cxx::__normal_iterator<int*, std::vector<int> >
Language: C++

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

int main(){
  int N,M;
  cin >> N >> M;
  vector<int> A(M);
  vector<int> B(M);
  for(int i=0;i<M;i++){
    cin >> A.at(i) >> B.at(i);
  }
  l_max = max_element(A.begin(),A.end());
  r_min = min_element(B.begin(),B.end());
  cout << max(0,r_min - l_max + 1) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: 'l_max' was not declared in this scope
   12 |   l_max = max_element(A.begin(),A.end());
      |   ^~~~~
a.cc:13:3: error: 'r_min' was not declared in this scope
   13 |   r_min = min_element(B.begin(),B.end());
      |   ^~~~~
Language: C++

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

int main(){
  int N,M;
  cin >> N >> M;
  vector<int> A(M);
  vector<int> B(M);
  for(int i=0;i<M;i++){
    cin >> A.at(i) >> B.at(i);
  }
  l_max = max_element(A.begin(),A.end());
  r_min = min_element(B.begin(),B.end());
  cout << max(0,r_min - l_max + 1) << endl;
}

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

#include<bits/stdc++.h>
#define MOD 1000000007
#define MOD2 1000000006
#define TEMPMOD1 998244353
#define TEMPMOD2 998244352
#define INF 1000000000000000007
#define NEGINF -1000000000000000007
#define vll vector<ll> 
#define vvll vector<vector<ll>>
#define pll pair<ll,ll>
#define plll pair<pll,ll>
#define vpll vector<pll>
using namespace std;
typedef long long int ll;


int main()
{
    
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    ll n,m;
    cin>>n>>m;
    pll p1[m];
    ll minval=NEGINF;
    ans=max(ans,0LL);
    ll maxval=INF;
    for(ll i=0;i<m;i++)
    {
        cin>>p1[i].first>>p1[i].second;
        minval=max(minval,p1[i].first);
        maxval=min(maxval,p1[i].second);
    }
    ll ans=maxval-minval+1;
    ans=max(ans,0LL);
    cout<<ans;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   28 |     ans=max(ans,0LL);
      |     ^~~
      |     abs
Language: C++

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

int main() {
  int A;
  A = 1;
  int B;
  cin >> B;
  int M;
  cin >> M;
  int >> a;
  int >> b;
  for (int i = 0; i < M; i++) {
    cin >> a;
    cin >> b;
    if (a > A){
      A = a;
    }
    if (b < B){
      B = b;
    }
  if (A > B){
    cout << 0 << endl;;
  }
  if (A <= B){
    B = B + 1;
    cout << B - A << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: expected unqualified-id before '>>' token
   11 |   int >> a;
      |       ^~
a.cc:12:7: error: expected unqualified-id before '>>' token
   12 |   int >> b;
      |       ^~
a.cc:14:12: error: 'a' was not declared in this scope
   14 |     cin >> a;
      |            ^
a.cc:15:12: error: 'b' was not declared in this scope
   15 |     cin >> b;
      |            ^
a.cc:29:2: error: expected '}' at end of input
   29 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  vector<int> B;
  for (int i = 1; i < N + 1; i++) {
    B.push_back(i);
  }
  int M;
  cin >> M;
  int A;
  A = B.size();
  int C;
  int D;
  int E;
  for (int i = 1; i < M + 1; i++) {
    cin >> C;
    cin >> D;
    A = B.size();
    E = 0;
    for (int i = 1; i < A + 1; i++) {
      E = E + 1;
      if ( B.at(E) < C || B.at(E) > D ) {
        remove(B, E);
        E = E - 1;
      }
    }
  }
  cout << B.size() << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:15: error: no matching function for call to 'remove(std::vector<int>&, int&)'
   26 |         remove(B, E);
      |         ~~~~~~^~~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:788:5: note: candidate: 'template<class _FIter, class _Tp> _FIter std::remove(_FIter, _FIter, const _Tp&)'
  788 |     remove(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~
/usr/include/c++/14/bits/stl_algo.h:788:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:86:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:224:1: note: candidate: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::remove(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
  224 | remove(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:224:1: note:   candidate expects 4 arguments, 2 provided
In file included from /usr/include/c++/14/cstdio:42,
                 from /usr/include/c++/14/ext/string_conversions.h:45,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/stdio.h:158:12: note: candidate: 'int remove(const char*)'
  158 | extern int remove (const char *__filename) __THROW;
      |            ^~~~~~
/usr/include/stdio.h:158:12: note:   candidate expects 1 argument, 2 provided
Language: Java

import java.util.Scanner;

public class C_answer {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		try (Scanner sc = new Scanner(System.in)) {
			int N, M;
			N = Integer.parseInt(sc.next());
			M = Integer.parseInt(sc.next());

			int iniMax = 0, endMin = M;

			for (int i = 0; i < N; i++) {
				int ini = Integer.parseInt(sc.next());
				int end = Integer.parseInt(sc.next());

				iniMax = Math.max(iniMax, ini);
				endMin = Math.min(endMin, end);
			}

			System.out.println((endMin - iniMax + 1));
		}
		 catch (Exception e) {
			// TODO: handle exception
		}

	}

}


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

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N, M;
  cin >> N >> M;
  vector<int> L(M), R(M);
  for (int i = 0; i < M; i++) {
  	cin >> L.at(i) >> R.at(i);
  }
  int L_max = 0, R_min = 100000;
  for (int i = 0; i < M; i++) {
  	if (L_max < L.at(i)) {
      L_max = L.at(i);
    }
    if (R_min > R.at(i)) {
      R_min = R.at(i);
    }
  }
  int count = 0;
  for (int i = 0; i < N; i++) {
  	if (i + 1 >= L_max && i + 1 =< R_min) {
      count++;
    }
  }
  cout << count << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:38: error: expected primary-expression before '<' token
   22 |         if (i + 1 >= L_max && i + 1 =< R_min) {
      |                                      ^