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

// Contests.cpp : コンソール アプリケーションのエントリ ポイントを定義します。
//

#include "stdafx.h"
#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define fw(p) for(int w=0;w<(p);w++)
#define fx(p) for(int x=0;x<(p);x++)
#define fy(p) for(int y=0;y<(p);y++)
#define fz(p) for(int z=0;z<(p);z++)
#define fyg(p,g) for(int y=(g);y<(p);y++)
#define fzg(p,g) for(int z=(g);z<(p);z++)
#define ce(d) cout<<d<<endl;
#define vecp(p) int aa;cin>>aa;(p).push_back(aa);
#define vecpl(p) long long aa;cin>>aa;(p).push_back(aa);
#define vecps(p) string aa;cin>>aa;(p).push_back(aa);
#define vecp2(p) cin>>aa;(p).push_back(aa);
#define vecpl2(p) long long a	b;cin>>ab;(p).push_back(ab);
#define vecps2(p) string ab;cin>>ab;(p).push_back(ab);
#define set0(k,n) for(int nn=0;nn<(n);nn++){ (k).push_back(0); }
#define sorts(c) sort((c).begin(),(c).end());
#define reverses(c) reverse((c).begin(),(c).end());
#define vec(b) vector<int> (b);
#define vecl(b) vector<long long> (b);
#define vecs(b) vector<string> (b);
#define vecsize(b,size) vector<int> (b)((size));
#define pb(b,a) (b).push_back((a));
#define doublece(a,b) cout<<(a)<<' '<<(b)<<endl;
#define pairs(s) vector<pair<int,int>> (s);
#define pairsl(s) vector<pair<ll,ll>> (s);
#define pairss(s) vector<pair<string,string>> (s);
#define pairsp(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairspl(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairsps(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairsREV(s) (s).push_back(make_pair(bb,aa));
#define pairslREV(s) (s).push_back(make_pair(bb,aa));
#define pairssREV(s) (s).push_back(make_pair(bb,aa));
#define MOD 1000000007

int main()
{
  
	int r, D, x;
	cin >>r >> D >> x;
	fy(10) {
		ce(r*x - D)
			x = r*x - D;
	}

    return 0;
}



Compiler output:
a.cc:4:10: fatal error: stdafx.h: No such file or directory
    4 | #include "stdafx.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

/*
  -------------
  Prateek Celly
  DA-IICT
  -------------
*/
#include<bits/stdc++.h>
using namespace std;


typedef unsigned long long ull;
typedef long double ld;

#define PB push_back
#define ff first
#define ss second
#define MOD 1000000007

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  ll r,d,x;
  cin>>r>>d>>x;
  for(ll i=0;i<10;i++){
    x=r*x-d;
    cout<<x<<'\n';
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:3: error: 'll' was not declared in this scope; did you mean 'ull'?
   23 |   ll r,d,x;
      |   ^~
      |   ull
a.cc:24:8: error: 'r' was not declared in this scope
   24 |   cin>>r>>d>>x;
      |        ^
a.cc:24:11: error: 'd' was not declared in this scope; did you mean 'ld'?
   24 |   cin>>r>>d>>x;
      |           ^
      |           ld
a.cc:24:14: error: 'x' was not declared in this scope
   24 |   cin>>r>>d>>x;
      |              ^
a.cc:25:9: error: expected ';' before 'i'
   25 |   for(ll i=0;i<10;i++){
      |         ^~
      |         ;
a.cc:25:14: error: 'i' was not declared in this scope
   25 |   for(ll i=0;i<10;i++){
      |              ^
Language: C++

#include <stdio.h>

#define lli long long int

int main() {
	lli r, d, a
	scanf("%lld %lld %lld", &r, &d, &a);
	for (int i = 0; i < 10; i++) {
		a = (r * a) - d;
		printf("%lld\n", a);
	}
	return 0;	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: expected initializer before 'scanf'
    7 |         scanf("%lld %lld %lld", &r, &d, &a);
      |         ^~~~~
a.cc:9:17: error: 'a' was not declared in this scope
    9 |                 a = (r * a) - d;
      |                 ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int r,D,x;
  cin>>r>>D>>x;
  vector<int>X(11);
  X.at(0)=x;
  for(int i=0;i++i<11){
    X.at(i+1)=r*X.at(i)-D;
  }
  for(int i=1;i<11){
    cout<<X.at(i)<<endl;
  }
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: expected ';' before 'i'
    8 |   for(int i=0;i++i<11){
      |                  ^
      |                  ;
a.cc:11:19: error: expected ';' before ')' token
   11 |   for(int i=1;i<11){
      |                   ^
      |                   ;
Language: C

#include <iostream>
#include<stdio.h>
#include<algorithm>
#include<string.h>
//#define ll long long
//#define maxn -99999
using namespace std;
int a[200005];
int book[200005];
//bool cmp(int x,int y)
//{
//	return x>y;
//}
 //int ll=999999999,rr=-999999999;
int main()
{
   int n,m;
   int l,r,t;
  
   scanf("%d %d",&n,&m); 
   t=m;
   memset(book,0,sizeof(book));
   while(t--)
   {
   	 scanf("%d %d",&l,&r);
   	for(int i=l;i<=r;i++)
   	{
   		book[i]++;
	   }
//	   ll=min(ll,l);
//	   rr=max(rr,r);
	   
   }
   //sort(book,book+n,cmp);
   int ans=0;
   for(int i=1;i<=n;i++)
   {
   	 if(book[i]==m)
   	 ans++;
   	 //cout<<book[i]<<endl;
   }
   printf("%d\n",ans);
	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>
using namespace std;
typedef long long ll;
int main(){
    ll n, m; cin >> n >> m;
    ll xmin = 0, xmax = LLONG_MAX;
    for(ll i=0; i<m; ++i){
        ll l, r; cin >> l >> r; 
        xmin = max(xmin, l);
        xmax = min(xmax, r);
    }
    cout << max(0, xmax-xmin+1) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:16: error: no matching function for call to 'max(int, ll)'
   12 |     cout << max(0, xmax-xmin+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:12:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   12 |     cout << max(0, xmax-xmin+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:12:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   12 |     cout << max(0, xmax-xmin+1) << endl;
      |             ~~~^~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
int main() {
  ll a;
  cin>>a;
  ll b;
  cin>>b;
  vector<ll>vec(b);
  vector<ll>veco(b);
  for(ll i=0;i<b;i++){
    cin>>vec.at(i)>>veco.at(i);
  }
  sort(vec.begin(),vec.end());
  sort(veco.begin(),veco.end());
  ll d=0
  cout<<max(veco.at(0)-vec.at(b-1)+1,d)<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:3: error: expected ',' or ';' before 'cout'
   17 |   cout<<max(veco.at(0)-vec.at(b-1)+1,d)<<endl;
      |   ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
int main() {
  ll a;
  cin>>a;
  ll b;
  cin>>b;
  vector<ll>vec(b);
  vector<ll>veco(b);
  for(ll i=0;i<b;i++){
    cin>>vec.at(i)>>veco.at(i);
  }
  sort(vec.begin(),vec.end());
  sort(veco.begin(),veco.end());
  cout<<max(veco.at(0)-vec.at(b-1)+1,0)<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:12: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type, int)'
   16 |   cout<<max(veco.at(0)-vec.at(b-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:16:12: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   16 |   cout<<max(veco.at(0)-vec.at(b-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:16:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   16 |   cout<<max(veco.at(0)-vec.at(b-1)+1,0)<<endl;
      |         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++h>

#define Vsort(a) sort(a.begin(), a.end())
#define Vreverse(a) reverse(a.bigin(), a.end())
#define Srep(n) for(int i = 0; i < (n); i++)
#define rep(i,n) for(int i = 0; i < (n); i++)
#define Lrep(i,a,n) for(int i = (a); i < (n); i++)
#define Brep(n) for(int bit = 0; bit < (1<<n); bit++)
#define vi vector<int>
#define vi64 vector<int64_t>
#define vvi vector<vector<int>>
#define vvi64 vector<vector<int64_t>>

using namespace std;

int main(){
    int n, m, ans = 0;
    cin >> n >> m;
    bitset<100000> judge,judge2;
    judge2.set();
    Srep(m){
        judge.reset();
        int l,r;
        cin >> l >> r;
        Lrep(j,l,r+1) judge.set(j);
        judge2 = judge & judge2;
    }
    cout << judge2.count() << endl;
}

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

#include<bits/stdc++.h>
using namespace std;
typedef     long long    ll;
typedef     vector<int> vi;
typedef     vector<long long> vl;
typedef     pair<int, int>pi;
typedef     pair<long long, long long>pl;
#define F   first
#define S   second
#define pb  push_back
#define     all(x)      x.begin() , x.end()
#define mp  make_pair
#define       FOR(i,a,b) for(i=a;i<=b;i++)
#define     mem(a)      memset(a , 0 ,sizeof a)
#define     memn(a)     memset(a , -1 ,sizeof a)
ll ck[100000];
int main()
{
  int t;
  t=1;
  //cin >> t;
  while (t--)
  {
      ll n,d,i,j,x,y,mx=INT_MIN,mn=INT_MAX;
      cin>>n>>d;
       FOR(i,1,d)
       {
        cin>>x>>y;
        mx=max(mx,x);
        mn=min(mn,y);
       }
       cout<<max(0,(mn-mx)+1)<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:17: error: no matching function for call to 'max(int, ll)'
   32 |        cout<<max(0,(mn-mx)+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:32:17: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   32 |        cout<<max(0,(mn-mx)+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:32:17: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   32 |        cout<<max(0,(mn-mx)+1)<<endl;
      |              ~~~^~~~~~~~~~~~~
Language: C++

#include<iostream>
#include<vector>
#include<utility>
#include<algorithm>
#define ll long long
#define rep(i, n) for(i=0; i<n; i++)
#define rep1(i, n) for(i=1; i<=n; i++)
#define mp make_pair
#define pb push_back
using namespace std;
int main()
{
	ios_base :: sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	ll n, m, i, count = 0;
	cin >> n >> m;
	ll l, r, lm=0, rm=INT_MAX;
	rep(i, m){
		cin >> l >> r;
		lm = max(l, lm);
		rm = min(r, rm);
	}
	rep1(i, n){
		count = (i>=lm && i<=rm)? count+1 : count;
	}
	cout << count << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:27: error: 'INT_MAX' was not declared in this scope
   18 |         ll l, r, lm=0, rm=INT_MAX;
      |                           ^~~~~~~
a.cc:5:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    4 | #include<algorithm>
  +++ |+#include <climits>
    5 | #define ll long long
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rrep(i, k, n) for (int i = k; i < (int)(n); i++)
#define repd(i, n) for (int i = n-1; i >= 0; i--)
#define rrepd(i, k, n) for (int i = n-1; i >= (int)(k); i--)
#define all(x) (x).begin(),(x).end()
#define chmax(x,y) x=max(x,y)
#define chmin(x,y) x=min(x,y)
#define F first //pairの一つ目の要素
#define S second //pairの二つ目の要素
#define PB push_back //挿入
#define MP make_pair //pairのコンストラクタ
//V,Pは大文字i,l,bは小文字
using ll = long long;
using Vi = vector<int>;
using VVi = vector<Vi>;
using Vl = vector<ll>;
using VVl = vector<Vl>;
using Vb = vector<bool>;
using VVb = vector<Vb>;
using P = pair<int,int>;
using Pll = pair<ll, ll>;
const ll mod = 1000000007;
const ll inf = 1000000000000;//10の12乗

int main() {
  ll n,m;
  cin >> n >> m;
  ll mi=1,mx=n;
  rep(i,n){
    ll x,y;
    cin >> x >> y;
    chmax(mi,x);chmin(mx,y);
  }
  ll ans=max(0,mx-mi+1);
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:13: error: no matching function for call to 'max(int, ll)'
   36 |   ll ans=max(0,mx-mi+1);
      |          ~~~^~~~~~~~~~~
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:36:13: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   36 |   ll ans=max(0,mx-mi+1);
      |          ~~~^~~~~~~~~~~
/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:36:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   36 |   ll ans=max(0,mx-mi+1);
      |          ~~~^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rrep(i, k, n) for (int i = k; i < (int)(n); i++)
#define repd(i, n) for (int i = n-1; i >= 0; i--)
#define rrepd(i, k, n) for (int i = n-1; i >= (int)(k); i--)
#define all(x) (x).begin(),(x).end()
#define chmax(x,y) x=max(x,y)
#define chmin(x,y) x=min(x,y)
#define F first //pairの一つ目の要素
#define S second //pairの二つ目の要素
#define PB push_back //挿入
#define MP make_pair //pairのコンストラクタ
//V,Pは大文字i,l,bは小文字
using ll = long long;
using Vi = vector<int>;
using VVi = vector<Vi>;
using Vl = vector<ll>;
using VVl = vector<Vl>;
using Vb = vector<bool>;
using VVb = vector<Vb>;
using P = pair<int,int>;
using Pll = pair<ll, ll>;
const ll mod = 1000000007;
const ll inf = 1000000000000;//10の12乗

int main() {
  ll n,m;
  cin >> n >> m;
  ll mi=1,mx=n;
  rep(i,n){
    ll x,y;
    cin >> x >> y;
    chmax(mi,x);chmin(mx,y);
  }
  cout << max(0,mx-mi+1) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:14: error: no matching function for call to 'max(int, ll)'
   36 |   cout << max(0,mx-mi+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:36:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   36 |   cout << max(0,mx-mi+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:36:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   36 |   cout << max(0,mx-mi+1) << endl;
      |           ~~~^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <deque>
#include <functional>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#define pi 3.14159265358979323846264338327950L
using namespace std;

int main() {
  int N, M, L=0, R=100000;
  cin >> N >> M;
  vector<int> L(M);
  vector<int> R(M);
  for (int i=0; i<M; i++) {
    cin >> L[i] >> R[i];
    L=max(L,L[i]);
    R=min(R,R[i]);
  }
  cout << max((R-L+1),0) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:15: error: conflicting declaration 'std::vector<int> L'
   23 |   vector<int> L(M);
      |               ^
a.cc:21:13: note: previous declaration as 'int L'
   21 |   int N, M, L=0, R=100000;
      |             ^
a.cc:24:15: error: conflicting declaration 'std::vector<int> R'
   24 |   vector<int> R(M);
      |               ^
a.cc:21:18: note: previous declaration as 'int R'
   21 |   int N, M, L=0, R=100000;
      |                  ^
a.cc:26:13: error: invalid types 'int[int]' for array subscript
   26 |     cin >> L[i] >> R[i];
      |             ^
a.cc:26:21: error: invalid types 'int[int]' for array subscript
   26 |     cin >> L[i] >> R[i];
      |                     ^
a.cc:27:14: error: invalid types 'int[int]' for array subscript
   27 |     L=max(L,L[i]);
      |              ^
a.cc:28:14: error: invalid types 'int[int]' for array subscript
   28 |     R=min(R,R[i]);
      |              ^
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 l=0,r=999999;
  for(int i=0;i<m;i++){
    l=max(l,L.at(i));
    r=min(r,R.at(i));
  }
  int ans=0;
  for(int i=0;i<N;i++){
    if(i>=l&&i<=r){
      ans++;
    }
  }
  cout<<ans<<endl;
}

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

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N,M;cin>>N>>M;
  vector<int>V(N+1);
  for(int X=0;X<M;X++){
    int L,R;cin>>L>>R;
    V(L-1)++;V(R)--;
  }
  long long rui=0;
  int S=0;
  for(int X=0;X<N;X++){
    rui+=V[X];
    if(rui==M){
      S++;
    }
  }
  cout<<S<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:6: error: no match for call to '(std::vector<int>) (int)'
    9 |     V(L-1)++;V(R)--;
      |     ~^~~~~
a.cc:9:15: error: no match for call to '(std::vector<int>) (int&)'
    9 |     V(L-1)++;V(R)--;
      |              ~^~~
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;
    vector<int> l(m), r(m);
    int l_max=0, r_min=10000000;
    rep(i, m){
        cin >> l[i] >> r[i];
        if(l[i]>l_max) l_max = l[i];
        if(r[i]<r_min) r_min = r[i];
    } 
    
    if(r_min >= l_max)
        int res = r_min - l_max + 1;
    else
        int res = 0;
    

    cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:13: error: 'res' was not declared in this scope; did you mean 'rep'?
   22 |     cout << res << endl;
      |             ^~~
      |             rep
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using ll = long long;
using P = pair<string,int>;
const double PI = acos(-1);

int main() {
int n,m;
cin >> n >> m;
vector<vector<int>> a(m,vector<int>(2));
rep(i,m)rep(j,2) cin >> a.at(i).at(j);
int lft = -1,rgt = 1000000;
rep(i,m)rep(j,2){
  lft = max(lft,a.at(i).at(0)) ;
  rgt = min(rgt,a.at(i).at(1)) ;
}
int ans = rgt - lft +1
cout << (ans>=0?ans:0)<< endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:1: error: expected ',' or ';' before 'cout'
   19 | cout << (ans>=0?ans:0)<< endl;
      | ^~~~
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#define rep(i,n) for(i=0;i<n;i++)
#define PI 3.14159265358979323846264338327950L
int main(){
    int n,m,i;
    scanf("%d%d",&n,&m);
    int l[m],r[m],largel=0,smallr=100020;
    rep(i,m){
        scanf("%d%d",&l[i],&r[i]);
        if(l[i]>largel) largel==l[i];
        if(r[i]<smallr) smallr==r[i];
    printf("%d",smallr-largel+1);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:16:1: error: expected declaration or statement at end of input
   16 | }
      | ^
Language: C++

#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <iostream>
#include <algorithm>
#include <vector>
#include <string> 
#include <stack>
#include <array>
using std::cin; using std::cout;
using std::max; using std::min;
using std::vector; using std::string;
using ll=long long;
#define fast ios_base::sync_with_stdio(false);cin.tie(0);
template<class T, class U> bool ckmin(T &a, U b){return (a>b? a=b, true : false);}
template<class T, class U> bool ckmax(T &a, U b){return (a<b? a=b, true: false);}
int main(){
    ll n, m;
    cin>>n>>m;
    vector<std::pair<ll, ll> > a(m+1);
    for(int i=1;i<=m;i++){
        cin>>a[i].first>>a[i].second;
    }
    sort(a.begin()+1, std::end(a));
    std::stack<std::pair<ll, ll>> st;
    st.push(a[1]);
    for(int i=2;i<=m;++i){
        std::pair<ll, ll> tp = st.top();
        if(tp.second < a[i].first){
            st.push(a[i]);
        }
        else if(tp.second < a[i].second){
            tp.second = a[i].second;
            st.pop();
            st.push(tp);
        }
    }
    cout<<(int)st.size()<<"\n";
}


Compiler output:
In file included from /usr/include/c++/14/string:43,
                 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:3:
/usr/include/c++/14/bits/allocator.h: In destructor 'std::_Vector_base<std::pair<long long int, long long int>, std::allocator<std::pair<long long int, long long int> > >::_Vector_impl::~_Vector_impl()':
/usr/include/c++/14/bits/allocator.h:182:7: error: inlining failed in call to 'always_inline' 'std::allocator< <template-parameter-1-1> >::~allocator() noexcept [with _Tp = std::pair<long long int, long long int>]': target specific option mismatch
  182 |       ~allocator() _GLIBCXX_NOTHROW { }
      |       ^
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:5:
/usr/include/c++/14/bits/stl_vector.h:132:14: note: called from here
  132 |       struct _Vector_impl
      |              ^~~~~~~~~~~~
Language: C++

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

#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

using namespace std;

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

    int n, m;
    int l[100001], r[100001];
    int mem[100001];
    int ans = 0;
    int count = 0;

    memset(mem,0,sizeof(mem));

    cin >> n >> m;
    for(int i = 0; i < m; i ++){
        cin >> l[i] >> r[i];
    }

    for(int i = 0; i < m; i ++){
        count ++;
        for(int j = l[i]; j <= r[i]; j ++){
            mem[j]  ++;
        }
    }

    for(int i = 1; i <= n; i ++){
        if(mem[i] == m) ans ++;
    }
    cout << ans;

    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:27:5: error: 'memset' was not declared in this scope
   27 |     memset(mem,0,sizeof(mem));
      |     ^~~~~~
a.cc:10:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    9 | #include <map>
  +++ |+#include <cstring>
   10 |
Language: C

#include<bits/stdc++.h>
using namespace std;
int main()
{
    long int n, m, l[100005], r[100005], i, j, a, b;
    cin>>n>>m;
    for(i=0; i<m; i++)
    {
        cin>>l[i]>>r[i];
    }
    sort(l, l+m);
    sort(r, r+m);
    b=r[0]-l[m-1];
    if(b<0)
    {
        a=0;
    }
    else
    {
        a=b+1;
    }
    cout<<a;
    return 0;
}

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

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

int main(){
    int n,m;
    cin>>n>>m;
    map<int,int> card;
    for(int i=1;i<=m;i++){
        int l,r;
        cin>>l>>r;
        for(int j=l;j<=r;j++){
            card[j]++;
        }
    }
    int ans=0;
    for(int i=l;i<r+1;i++) if(card[i]==m) ans++;
    cout<<ans<<"\n";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:15: error: 'l' was not declared in this scope
   18 |     for(int i=l;i<r+1;i++) if(card[i]==m) ans++;
      |               ^
a.cc:18:19: error: 'r' was not declared in this scope
   18 |     for(int i=l;i<r+1;i++) if(card[i]==m) ans++;
      |                   ^
Language: C++

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

int main(){
  int n, m;
  cin >> n >> m;
  int lmax = 0;
  int rmin = 100000;
  for (int i = 0; i < m; i++) {
    int l, r;
    cin >> l >> r;
    lmax = max(lmax, l);
    rmin = min(rmin, r);
  }
  int ans = (rmin - lmax + 1 > 0) ? rmin - lmax + 1 : 0
  cout << ans << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:3: error: expected ',' or ';' before 'cout'
   16 |   cout << ans << '\n';
      |   ^~~~
Language: C++

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

int main(){
  int n, m;
  cin >> n >> m;
  int lmax = 0;
  int rmin = 100000;
  for (int i = 0; i < m; i++) {
    int l, r;
    cin >> l >> r;
    lmax = max(lmax, l);
    rmin = min(rmin, r);
  }
  int ans = (rmin - lmax + 1 > 0) ? rmin - lmax + 1 > 0 : 0
  cout << ans << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:3: error: expected ',' or ';' before 'cout'
   16 |   cout << ans << '\n';
      |   ^~~~
Language: C++

#include <iostream>

using namespace std;

int main(){
  int n,m;
  cin >> n >> m;
  int L,R,l = -1,R = 1000000001;
  for(int i = 0; i < m; i++){
    cin >> l >> r;
    
    L = max(L,l);
    R = min(R,r);
  }
  if(R-L + 1 < 0)cout << 0;
  else cout << R - L + 1;
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: redeclaration of 'int R'
    8 |   int L,R,l = -1,R = 1000000001;
      |                  ^
a.cc:8:9: note: 'int R' previously declared here
    8 |   int L,R,l = -1,R = 1000000001;
      |         ^
a.cc:10:17: error: 'r' was not declared in this scope
   10 |     cin >> l >> r;
      |                 ^
Language: C++

#inlcude<bits/stdc++.h>
using namespace std;
int main() {
   int n,m;
   int l[100005],r[100005];
   cin>>n>>m;
   for(int i=0;i<m;i++){
      cin>>l[i]>>r[i];
   }
   sort(l,l+m);
   sort(r,r+m);
   if(r[0]>=l[n-1]){
     cout<<r[0]-l[n-1]+1<<"\n";
   }
   else{
     cout<<0<<"\n";
   }
   return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude<bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:4: error: 'cin' was not declared in this scope
    6 |    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 | #inlcude<bits/stdc++.h>
a.cc:10:4: error: 'sort' was not declared in this scope; did you mean 'short'?
   10 |    sort(l,l+m);
      |    ^~~~
      |    short
a.cc:13:6: error: 'cout' was not declared in this scope
   13 |      cout<<r[0]-l[n-1]+1<<"\n";
      |      ^~~~
a.cc:13:6: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:6: error: 'cout' was not declared in this scope
   16 |      cout<<0<<"\n";
      |      ^~~~
a.cc:16:6: 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;
   int l[100005],r[100005];
   cin>>n>>m;
   for(int i=0;i<m;i++){
      cin>>l[i]>>r[i];
   }
   sort(l,l+i);
   sort(r,r+i);
   if(r[0]>=l[n-1]){
     cout<<r[0]-l[n-1]+1<<"\n";
   }
   else{
     cout<<0<<"\n";
   }
   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:13: error: 'i' was not declared in this scope
   10 |    sort(l,l+i);
      |             ^
Language: C++

#inlcude<bits/stdc++.h>
using namespace std;
int main() {
   int n,m;
   int l[100005],r[100005];
   cin>>n>>m;
   for(int i=0;i<m;i++){
      cin>>l[i]>>r[i];
   }
   sort(l,l+i);
   sort(r,r+i);
   if(r[0]>=l[n-1]){
     cout<<r[0]-l[n-1]+1<<"\n";
   }
   else{
     cout<<0<<"\n";
   }
   return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude<bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:4: error: 'cin' was not declared in this scope
    6 |    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 | #inlcude<bits/stdc++.h>
a.cc:10:13: error: 'i' was not declared in this scope
   10 |    sort(l,l+i);
      |             ^
a.cc:10:4: error: 'sort' was not declared in this scope; did you mean 'short'?
   10 |    sort(l,l+i);
      |    ^~~~
      |    short
a.cc:13:6: error: 'cout' was not declared in this scope
   13 |      cout<<r[0]-l[n-1]+1<<"\n";
      |      ^~~~
a.cc:13:6: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:6: error: 'cout' was not declared in this scope
   16 |      cout<<0<<"\n";
      |      ^~~~
a.cc:16:6: 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;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
typedef long long ll;
const double pi=3.14159265358979323846;
int ctoi(const char c) {
    if ('0' <= c && c <= '9') return (c - '0');
    return -1;
}
vector<int> input(int n) {
    vector<int> vec(n);
    for (int i = 0; i < n; i++) {
        cin >> vec.at(i);
    }
    return vec;
}
void output(vector<int> vec) {
    for (int i = 0; i < vec.size(); i++) {
        cout << vec[i] << " ";
    }
    return;
}
vector<vector<int>> input(int n, int m) {
    vector<vector<int>> table(n, vector<int>(m));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> table. at(i).at(j);
        }
    }
    return table;
}
void output(vector<vector<int>> table) {
    for (int i = 0; i < table.size(); i++) {
        for (int j = 0; j < table.at(0).size(); j++) {
            cout << table.at(i).at(j) << " ";
        }
        cout << endl;
    }
}
long long perm(int n, int r) {
    if (n < r) {
        cout << "error" << endl;
        return 0;
    }
    long long perm = 1;
    for (int i = n; i > n - r; i--) {
        perm *= i;
    }
    return perm;
}
long long comb(int n, int r) {
    if (n < r) {
        cout << "error" << endl;
        return 0;
    }
    long long comb = perm(n,r);
    for (int i = r; i > 0; i--) {
        comb /= i;
    }
    return comb;
}
long long homo(int n, int r) {
    return comb(n + r - 1, n - 1);
}
long long fact(int n) {
    long long fact = 1;
    for (int i = n; i > 0; i--) {
        fact *= i;
    }
    return fact;
}
int gcd(int a, int b){
    if (a % b == 0){
        return(b);
    }else{
        return(gcd(b, a % b));
    }
}
int lcm(int a, int b) {
    return a * b / gcd(a, b);
}
bool isprime(int n){
    if (n < 2) return false;
    else if (n == 2) return true;
    else if (n % 2 == 0) return false;

    for (int i = 3; i <= sqrt(n); i += 2){
        if (n % i == 0){
            return false;
        }
    }
    return true;
}
void sayYes(bool f) {
    if (f) {
        cout << "Yes" << endl;
    }
    else {
        cout << "No" << endl;
    }
}
void sayYES(bool f) {
    if (f) {
        cout << "YES" << endl;
    }
    else {
        cout << "NO" << endl;
    }
}

int main() {
  int n,m,ans=0;
  vector<int> i(n),r(n);
  for(int i=0;i<m;++i){
    cin >> l[i] >> r[i];
  }
  for(int i=1;i<=n;++i){
    for(int j=0;j<m;++j){
      if(l[j]<i&&i<r[i]){
        ans++;
      }
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:115:12: error: 'l' was not declared in this scope
  115 |     cin >> l[i] >> r[i];
      |            ^
a.cc:119:10: error: 'l' was not declared in this scope
  119 |       if(l[j]<i&&i<r[i]){
      |          ^
Language: C++

hhudd#include<stdio.h>
int main()
{
	int n,m,a,b,l,r;
	while(~scanf("%d %d", &n, &m))
	{
		a=0;b=200000;
		while(m--)
		{
			scanf("%d %d", &l, &r);
			if(l>a)
				a=l;
			if(r<b)
				b=r;
		}
		if(b-a<0) printf("0\n");
		else printf("%d\n", b-a+1);
	}
	return 0;
}


Compiler output:
a.cc:1:6: error: stray '#' in program
    1 | hhudd#include<stdio.h>
      |      ^
a.cc:1:1: error: 'hhudd' does not name a type
    1 | hhudd#include<stdio.h>
      | ^~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define printVec(v) printf("{"); for (const auto& i : v) { std::cout << i << ", "; } printf("}\n");
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; }
//Get the highest value and key from a map.
template<typename KeyType, typename ValueType>
std::pair<KeyType,ValueType> get_max( const std::map<KeyType,ValueType>& x ) {
  using pairtype=std::pair<KeyType,ValueType>;
  return *std::max_element(x.begin(), x.end(), [] (const pairtype & p1, const pairtype & p2) {
        return p1.second < p2.second;
  });
}
using namespace std;
using P = pair<int,int>;
using ll = long long;
const ll INF = 1LL<<60;

int main() {
  int n, m;
  cin >> n >> m;
  int l, r;
  rep(i, m) {
    int a, b;
    cint >> a >> b;
    l = max(l, a);
    r = max(r, b);
  }

  cout << r - l + 1 << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:5: error: 'cint' was not declared in this scope; did you mean 'uint'?
   25 |     cint >> a >> b;
      |     ^~~~
      |     uint
Language: C++

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

int main(void){
    int n,m;
    cin >> n >> m;
    vector<int> a(n + 2);
    for(int i = 0;i < m;i++){
        int l,r;
        cin >> l >> r;
        a[l]++;
        a[r + 1]--;
    }
    int ans = -;
    for(int i = 1;i <= n;i++){
        a[i] += a[i - 1];
        if(a[i] == m) ans++;;
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: expected primary-expression before ';' token
   15 |     int ans = -;
      |                ^
Language: C++

#include <bits/stdc++.h>
#define PI 3.1415926535897
using namespace std;
typedef long long ll;
const int INF = 1000000000;
const ll LINF = 1000000000000000000; //1e18
const double EPS = 1e-10;

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

    int left, right;
    int begin = 1;
    int end = N;

    for (int i = 0; i < M; i++)
    {
        cin >> left >> right;
        if (left >= end)
        {
            ans = 0;
            cout << ans << endl;
            return (0);
        }
        begin = max(begin, left);
        end = min(end, right);
    }
    int ans = end - begin + 1;
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |             ans = 0;
      |             ^~~
      |             abs
Language: C++

int N, M; cin >> N >> M;
    vector<int> G(N+1, 0);
    for (int i = 0; i < M; ++i) {
        int l, r; cin >> l >> r; --l;
        G[l]++;
        G[r]--;
    }
    for (int i = 0; i < N; ++i) G[i+1] += G[i];
    int res = 0;
    for (int i = 0; i < N; ++i) if (G[i] == M) ++res;
    cout << res << endl;

Compiler output:
a.cc:1:11: error: 'cin' does not name a type
    1 | int N, M; cin >> N >> M;
      |           ^~~
a.cc:2:5: error: 'vector' does not name a type
    2 |     vector<int> G(N+1, 0);
      |     ^~~~~~
a.cc:3:5: error: expected unqualified-id before 'for'
    3 |     for (int i = 0; i < M; ++i) {
      |     ^~~
a.cc:3:21: error: 'i' does not name a type
    3 |     for (int i = 0; i < M; ++i) {
      |                     ^
a.cc:3:28: error: expected unqualified-id before '++' token
    3 |     for (int i = 0; i < M; ++i) {
      |                            ^~
a.cc:8:5: error: expected unqualified-id before 'for'
    8 |     for (int i = 0; i < N; ++i) G[i+1] += G[i];
      |     ^~~
a.cc:8:21: error: 'i' does not name a type
    8 |     for (int i = 0; i < N; ++i) G[i+1] += G[i];
      |                     ^
a.cc:8:28: error: expected unqualified-id before '++' token
    8 |     for (int i = 0; i < N; ++i) G[i+1] += G[i];
      |                            ^~
a.cc:10:5: error: expected unqualified-id before 'for'
   10 |     for (int i = 0; i < N; ++i) if (G[i] == M) ++res;
      |     ^~~
a.cc:10:21: error: 'i' does not name a type
   10 |     for (int i = 0; i < N; ++i) if (G[i] == M) ++res;
      |                     ^
a.cc:10:28: error: expected unqualified-id before '++' token
   10 |     for (int i = 0; i < N; ++i) if (G[i] == M) ++res;
      |                            ^~
a.cc:11:5: error: 'cout' does not name a type
   11 |     cout << res << endl;
      |     ^~~~
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:6:14: error: expected unqualified-id before ';' token
    6 |     int n, m,;
      |              ^
Language: C++

#include <iostream>
#include <vector>

int main()
{
	int n, m;
	std::cin >> n >> m;
	std::vector<int> L;
	std::vector<int> R;
	for (int i = 0; i < m; i++)
	{
		int l, r;
		std::cin >> l >> r;
		L.push_back(l);
		R.push_back(r);
	}
	std::vector<int>::iterator itr = std::max_element(L.begin(), L.end());
	std::vector<int>::iterator itr2 = std::min_element(R.begin(), R.end());
	int ans = (*itr2 - *itr) + 1;
	std::cout << ans << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:47: error: 'max_element' is not a member of 'std'; did you mean 'tuple_element'?
   17 |         std::vector<int>::iterator itr = std::max_element(L.begin(), L.end());
      |                                               ^~~~~~~~~~~
      |                                               tuple_element
a.cc:18:48: error: 'min_element' is not a member of 'std'; did you mean 'tuple_element'?
   18 |         std::vector<int>::iterator itr2 = std::min_element(R.begin(), R.end());
      |                                                ^~~~~~~~~~~
      |                                                tuple_element
Language: C++

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

int main(){
  int n,m,l[1000000],r[1000000];
  cin>>n>>m;
  for(int i=0;i<m;i++){
    cin>>l[i]>>r[i];
  }
  int mxl=0,mnr=n;
  for(int i=0;i<m;i++){
    mxl=max(mxl,l[i]);
    mnr=min(mnr,r[i]);
  }
  int ans=mnr-mxl+1:
  cout<<max(0,ans)<<endl;
}
  

  

Compiler output:
a.cc: In function 'int main()':
a.cc:15:20: error: expected ',' or ';' before ':' token
   15 |   int ans=mnr-mxl+1:
      |                    ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  int n,m,cnt=0;
  cin>>n>>m;
  int cnt[n+1];
  for(int i=0;i<m;i++){
    cin>>l>>r;
    left=max(left,l);
    right=min(right,r);
    if(left>right) #include <iostream>
#define inf (int)(1e9)
using namespace std;
int main()
{
    int n, m, cnt = 0, flag = 0, left = -1, right = inf, l, r;
    cin >> n >> m;
    for (int i = 0; i < m; i++)
    {
        cin >> l >> r;
        left = max(left, l);
        right = min(right, r);
        if (left > right)
            flag = 1;
    }
    if (!flag)
    {
        cnt = (right - left + 1);
    }
    cout << cnt << endl;
    return 0;
}flag=1;
  }
  if(!flag){
    cnt=(right-left+1);
  }
  cout<<cnt<<endl;
  return 0;
}

Compiler output:
a.cc:11:20: error: stray '#' in program
   11 |     if(left>right) #include <iostream>
      |                    ^
a.cc: In function 'int main()':
a.cc:6:7: error: conflicting declaration 'int cnt [(n + 1)]'
    6 |   int cnt[n+1];
      |       ^~~
a.cc:4:11: note: previous declaration as 'int cnt'
    4 |   int n,m,cnt=0;
      |           ^~~
a.cc:8:10: error: 'l' was not declared in this scope
    8 |     cin>>l>>r;
      |          ^
a.cc:8:13: error: 'r' was not declared in this scope
    8 |     cin>>l>>r;
      |             ^
a.cc:11:21: error: 'include' was not declared in this scope
   11 |     if(left>right) #include <iostream>
      |                     ^~~~~~~
a.cc:11:38: error: expected primary-expression before '>' token
   11 |     if(left>right) #include <iostream>
      |                                      ^
a.cc:13:1: error: expected primary-expression before 'using'
   13 | using namespace std;
      | ^~~~~
a.cc:14:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   14 | int main()
      |         ^~
a.cc:14:9: note: remove parentheses to default-initialize a variable
   14 | int main()
      |         ^~
      |         --
a.cc:14:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:15:1: error: a function-definition is not allowed here before '{' token
   15 | {
      | ^
a.cc:32:2: error: 'flag' was not declared in this scope
   32 | }flag=1;
      |  ^~~~
a.cc:34:7: error: 'flag' was not declared in this scope
   34 |   if(!flag){
      |       ^~~~
a.cc:35:15: error: ISO C++ forbids using pointer to a function in subtraction [-fpermissive]
   35 |     cnt=(right-left+1);
      |          ~~~~~^~~~~