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

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N, sum=0;
  cin >> N;
  
  for(int i=0; i<N; i++){
    int n=0;
  	cin >> r,l;
    n = r-l+1;
    sum += n;
  }
  
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:16: error: 'r' was not declared in this scope
   10 |         cin >> r,l;
      |                ^
a.cc:10:18: error: 'l' was not declared in this scope
   10 |         cin >> r,l;
      |                  ^
Language: C++

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

using namespace std;

int main()
{   
 int N, l, r;
 int cnt = 0;
 for(int i = 0; i < n; i++)
 {
     cin >> l >> r;
     cnt = r - l + 1;
 }
    cout << cnt << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:21: error: 'n' was not declared in this scope
   13 |  for(int i = 0; i < n; i++)
      |                     ^
Language: C++

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

using namespace std;

int main()
{   
 int N,l,r;
 int cnt = 0;
 for(int i = 0; i < n; i++)
 {
     cin >> l >> r;
     ans = r - l + 1;
 }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:21: error: 'n' was not declared in this scope
   13 |  for(int i = 0; i < n; i++)
      |                     ^
a.cc:16:6: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |      ans = r - l + 1;
      |      ^~~
      |      abs
a.cc:18:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

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

using namespace std;

int main()
{   
 int N,l,r;
 int cnt = 0;
 for(int i = 0; i < n; i++)
 {
     cin >> l >> r;
     ans += r - l + 1;
 }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:21: error: 'n' was not declared in this scope
   13 |  for(int i = 0; i < n; i++)
      |                     ^
a.cc:16:6: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |      ans += r - l + 1;
      |      ^~~
      |      abs
a.cc:18:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

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

int main (){
  int A,N;
  A=0;
  cin >> N;
  for (int i = 0; i < N; i++) {
   
   int A,p,q;
    cin >> q >> p;
    A = A + q - p + 1
  }
  cout << A << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:22: error: expected ';' before '}' token
   12 |     A = A + q - p + 1
      |                      ^
      |                      ;
   13 |   }
      |   ~
Language: C++

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

int main (){
  int N;
  cin >> N;
  for (int i = 0; i < N; i++) {
   int p,q;
    cin >> q >> p;
  }
  cout << q - p + 1 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:11: error: 'q' was not declared in this scope
   11 |   cout << q - p + 1 << endl;
      |           ^
a.cc:11:15: error: 'p' was not declared in this scope
   11 |   cout << q - p + 1 << endl;
      |               ^
Language: C++

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

int main (){
  int N;
  cin >> N;
  for (int i == 0; i < N; i++) {
   int p,q;
    cin >> q >> p;
  }
  cout << q - p + 1 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: expected ';' before '==' token
    7 |   for (int i == 0; i < N; i++) {
      |             ^~~
      |             ;
a.cc:7:14: error: expected primary-expression before '==' token
    7 |   for (int i == 0; i < N; i++) {
      |              ^~
a.cc:7:25: error: expected ')' before ';' token
    7 |   for (int i == 0; i < N; i++) {
      |       ~                 ^
      |                         )
a.cc:7:27: error: 'i' was not declared in this scope
    7 |   for (int i == 0; i < N; i++) {
      |                           ^
a.cc:11:11: error: 'q' was not declared in this scope
   11 |   cout << q - p + 1 << endl;
      |           ^
a.cc:11:15: error: 'p' was not declared in this scope
   11 |   cout << q - p + 1 << endl;
      |               ^
Language: C++

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
int main()
{
  ll num=0;
  ll N;
  ll a,b;
  cin>>N;
  for(ll i=0;i<N;i++){cin>>a>>b;num+=(b-a)+1};
  cout<<num<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:45: error: expected ';' before '}' token
   10 |   for(ll i=0;i<N;i++){cin>>a>>b;num+=(b-a)+1};
      |                                             ^
      |                                             ;
Language: C

#include<stdio.h>

int main(void){
        int n;
        scanf("%d",&n);
        int a[100010];
        for(int i=0;i<=100000;++i) a[i]=0;
        for(int i=0;i<n;++i){
                int l,r;
                scanf("%d %d",&l,&r);
                a[l]++;
                a[r+1]--;
        }
        for(int i=1;i<=100000;++i){
                a[i]+=a[i-1];
        }
        int ans=0;
        for(int i=0;i<=100000;++i){
                if(a[i]>0) ans++;
        }
        printf("%d",ans);
        return 0;
}
~

Compiler output:
main.c:24:1: error: expected identifier or '(' before '~' token
   24 | ~
      | ^
Language: C++

#include <iostream>
using namespace std;
int main() 
{
	int n,l[100001],r[100001],ans=0;
	cin >> n;

	for(i=0;i<n;i++){
		cin >> l[i] >> r[i];
		ans += r[i]-l[i]+1;
	} 

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: 'i' was not declared in this scope
    8 |         for(i=0;i<n;i++){
      |             ^
Language: C++

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

int main(){
  int N;
  cin>>N;
  int sum;
  
  for(int i=0;i<N;i++){
    int l,r;
    cin>>l>>r;
    sum+=r-l+1
  }
  cout<<sum;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:15: error: expected ';' before '}' token
   12 |     sum+=r-l+1
      |               ^
      |               ;
   13 |   }
      |   ~
Language: C++

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

int main(){
  int N;
  cin >> N;
  for(int i=1;i<=N;i++){
    int sum,l,r;
    sum =0;
    cin >> l >> r;
    sum += r-l+1;
  }
  cout << sum << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: 'sum' was not declared in this scope
   13 |   cout << sum << endl;
      |           ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int sum=0;
  int n;
  cin>>n;
  for(int i=0;i++,i<n)
  {
    int l;
    int r;
    cin>>l>>r;
    sum+=r-l+1;
  }
  cout<<sum<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:22: error: expected ';' before ')' token
    8 |   for(int i=0;i++,i<n)
      |                      ^
      |                      ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int sum=0;
  int n;
  cin>>n;
  for(int i=0;i++,i<n)
  {
    cin>>l>>r;
    sum+=r-l+1;
  }
  cout<<sum<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:22: error: expected ';' before ')' token
    8 |   for(int i=0;i++,i<n)
      |                      ^
      |                      ;
a.cc:10:10: error: 'l' was not declared in this scope
   10 |     cin>>l>>r;
      |          ^
a.cc:10:13: error: 'r' was not declared in this scope
   10 |     cin>>l>>r;
      |             ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  
  int l, r;
  int A = 0;
  for (int i = 0; i < N; i++) {
    cin >> l >> r;
    A += r - l + 1;
    if(i + 1 == N)
      cout << A << endl;
  }

}

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

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;cin >> n;
  int total = 0; 
 
  for (int i = 0; i<n; i++) {
    int r;cin >> r;
    int l;cin >> l;
    total += (l - r + 1)
  }
 cout << total;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:25: error: expected ';' before '}' token
   11 |     total += (l - r + 1)
      |                         ^
      |                         ;
   12 |   }
      |   ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;cin >> n;
  int total = 0	  
 
  for (int i = 0; i<n; i++) {
    int r;cin >> r;
    int l;cin >> l;
    total += (l - r + 1)
  }
 cout << total;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: expected ',' or ';' before 'for'
    8 |   for (int i = 0; i<n; i++) {
      |   ^~~
a.cc:8:19: error: 'i' was not declared in this scope
    8 |   for (int i = 0; i<n; i++) {
      |                   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;cin >> n
  int total = 0	  
 
  for (int i = 0; i < n; i++) {
    int r;cin >> r;
    int l;cin >> l;
    total += (l - r + 1)
  }
 cout << total
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:17: error: expected ';' before 'int'
    5 |   int n;cin >> n
      |                 ^
      |                 ;
    6 |   int total = 0
      |   ~~~            
a.cc:8:19: error: 'i' was not declared in this scope
    8 |   for (int i = 0; i < n; i++) {
      |                   ^
a.cc:13:10: error: 'total' was not declared in this scope
   13 |  cout << total
      |          ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;cin >> n
  int total = 0	  
 
  for (int i = 0; i < n; i++) {
    int r;cin >> r;
    int l;cin >> l;
    total += (l - r + 1)
  }
 cout << toral
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:17: error: expected ';' before 'int'
    5 |   int n;cin >> n
      |                 ^
      |                 ;
    6 |   int total = 0
      |   ~~~            
a.cc:8:19: error: 'i' was not declared in this scope
    8 |   for (int i = 0; i < n; i++) {
      |                   ^
a.cc:13:10: error: 'toral' was not declared in this scope
   13 |  cout << toral
      |          ^~~~~
Language: C++

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

int main() {

  int N,a,b;
  
  cin >> N;
   for(int i = 0; i < N; i++){
  
     cin >> a >> b;
     int x=0
  
  
       x +=(b-a+1);
       
   }
  cout<<x<<endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:15:8: error: expected ',' or ';' before 'x'
   15 |        x +=(b-a+1);
      |        ^
a.cc:18:9: error: 'x' was not declared in this scope
   18 |   cout<<x<<endl;
      |         ^
Language: C++

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

int main(){
  int N;
  cin >> N;
  
  for(int i = 0; i < N; i++){
    int l,r,sum;
    cin >> l >> r;
    sum += r - l;
  }
  
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:11: error: 'sum' was not declared in this scope
   14 |   cout << sum << endl;
      |           ^~~
Language: C++

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

int main() {
  int N;
  cin >> N >> endl;
  
  int sum = 0;
  for( int i = 0; i < N; i++) {
    int l, r;
    cin >> l >> r >> endl;
    
    sum += r - l + 1;
  }
  
  cout << sum << endl;
}


Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> N >> endl;
      |   ^~~
a.cc:6:15: error: 'endl' was not declared in this scope
    6 |   cin >> N >> endl;
      |               ^~~~
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout << sum << endl;
      |   ^~~~
Language: C++

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

int main() {
  int N;
  cin >> N >> endl;
  
  for( int i = 0; i < N; i++) {
    int l, r, sum;
    cin >> l >> r >> endl;
    
    sum += r - l + 1;
  }
  
  cout << sum << endl;
}


Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> N >> endl;
      |   ^~~
a.cc:6:15: error: 'endl' was not declared in this scope
    6 |   cin >> N >> endl;
      |               ^~~~
a.cc:15:3: error: 'cout' was not declared in this scope
   15 |   cout << sum << endl;
      |   ^~~~
a.cc:15:11: error: 'sum' was not declared in this scope
   15 |   cout << sum << endl;
      |           ^~~
Language: C++

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

int main() {
  int N;
  cin >> N >> endl;
  
  for( int i = 0; i < N; i++) {
    int l, r, sum;
    cin >> l >> r >> endl;
    
    sum += r - l + 1;
  }
  
  cout << sum << endl;
}


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

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

int main() {

  int N
  cin >> N;
   for(int i = 0; i < N; i++){
     int a, b;
  
     cin >> a >> b;
  
  
     int x +=(b-a+1);
       
   }
  cout<<x<<endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected initializer before 'cin'
    7 |   cin >> N;
      |   ^~~
a.cc:8:23: error: 'N' was not declared in this scope
    8 |    for(int i = 0; i < N; i++){
      |                       ^
a.cc:14:12: error: expected initializer before '+=' token
   14 |      int x +=(b-a+1);
      |            ^~
a.cc:17:9: error: 'x' was not declared in this scope
   17 |   cout<<x<<endl;
      |         ^
Language: C++

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

int main() {

  int N
  cin >> N;
   for(i = 0; i < N; i++){
     int a, b;
  
     cin >> a >> b;
  
  
     int x +=(b-a+1);
       
   }
  cout<<x<<endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected initializer before 'cin'
    7 |   cin >> N;
      |   ^~~
a.cc:8:8: error: 'i' was not declared in this scope
    8 |    for(i = 0; i < N; i++){
      |        ^
a.cc:8:19: error: 'N' was not declared in this scope
    8 |    for(i = 0; i < N; i++){
      |                   ^
a.cc:14:12: error: expected initializer before '+=' token
   14 |      int x +=(b-a+1);
      |            ^~
a.cc:17:9: error: 'x' was not declared in this scope
   17 |   cout<<x<<endl;
      |         ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  
  for(int i=0; i<N ;i++){
    int l,r;
    cin >> l >> r;
    
    int member = l-r+1;
    
    int total_member ;
    total_member += member;
  }
  cout << total_member << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:11: error: 'total_member' was not declared in this scope
   17 |   cout << total_member << endl;
      |           ^~~~~~~~~~~~
Language: C++

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

int main(){
  int n , a;
  a = 0;
  cin >> n;
  for (int i = 0;i < n;i++){
    int a1,a2;
    cin >> a1 >> a2;
    a += a2-a1+1
  }
  cout << a << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:17: error: expected ';' before '}' token
   11 |     a += a2-a1+1
      |                 ^
      |                 ;
   12 |   }
      |   ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int n,first,last,seats = 0;
  cin >> n;
  for(int i=0;i<n;i++){
    cint >> first >> last;
    seats += last - first + 1;
  }
  cout << seats << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'cint' was not declared in this scope; did you mean 'uint'?
    7 |     cint >> first >> last;
      |     ^~~~
      |     uint
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: conflicting declaration 'int l [n]'
    9 |     int l[n],r[n];
      |         ^
a.cc:6:9: note: previous declaration as 'int l'
    6 |     int l,r,counter;
      |         ^
a.cc:9:14: error: conflicting declaration 'int r [n]'
    9 |     int l[n],r[n];
      |              ^
a.cc:6:11: note: previous declaration as 'int r'
    6 |     int l,r,counter;
      |           ^
a.cc:12:15: error: invalid types 'int[int]' for array subscript
   12 |         cin>>l[i]>>r[i];
      |               ^
a.cc:12:21: error: invalid types 'int[int]' for array subscript
   12 |         cin>>l[i]>>r[i];
      |                     ^
a.cc:13:19: error: invalid types 'int[int]' for array subscript
   13 |         counter+=r[i]+1-l[i];
      |                   ^
a.cc:13:26: error: invalid types 'int[int]' for array subscript
   13 |         counter+=r[i]+1-l[i];
      |                          ^
Language: C

#include <stdio.h>
int main(void){
int n;
  int count;
  int total=0;
  scanf("%d",&n);
  for(count=0;count!=n-1;count++){
  scanf("%d %d",&a,&b);
  total=total+(b-a+1);
  }
  printf("&d",total);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:18: error: 'a' undeclared (first use in this function)
    8 |   scanf("%d %d",&a,&b);
      |                  ^
main.c:8:18: note: each undeclared identifier is reported only once for each function it appears in
main.c:8:21: error: 'b' undeclared (first use in this function)
    8 |   scanf("%d %d",&a,&b);
      |                     ^
Language: C++

#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>

#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif

// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>

#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#endif
using namespace std;
typedef long long int ll;
typedef long double ld;
typedef vector<ll> vi;
typedef vector<string> vs;
typedef pair<ll,ll> P;
typedef vector<P> vp;
#define REP(i,n) for(int i=0;i<n;i++)
#define FOR(i,m,n) for(int i=m;i<n;i++)
#define REPR(i,n) for(int i=n-1;i>=0;i--)
#define FORR(i,n,m) for(int i=n-1;i>=m;i--)
#define all(in) in.begin(),in.end()
#define ALL(in,K) in,in+K
#define INF 1e18
#define MOD 100000007
#define SIZE 10005
#define PI 	3.14159265358979323846


int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    int sum=0;
    for(int i=0;i<n;i++){
        int r,l;
        cin >> r >> l;
        sum += 1+l-r;
    }
    cout << sun << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:116:13: error: 'sun' was not declared in this scope; did you mean 'sum'?
  116 |     cout << sun << endl;
      |             ^~~
      |             sum
Language: C++

#include"bits/stdc++.h"
using namespace std;
int n,f;
char a[11],b[11];

int main(){
	cin>>n;
	for(int i=sqrt(n);i>=1;i--){
		if(n%i==0){
			int j=n/i;
			sprintf(a,%d,i);
			sprintf(b,%d,j);
			f=max(strlen(a),strlen(b));
		}
	}
	cout<<f<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:35: error: expected primary-expression before '%' token
   11 |                         sprintf(a,%d,i);
      |                                   ^
a.cc:11:36: error: 'd' was not declared in this scope
   11 |                         sprintf(a,%d,i);
      |                                    ^
a.cc:12:35: error: expected primary-expression before '%' token
   12 |                         sprintf(b,%d,j);
      |                                   ^
Language: C++

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

int main() {
  int N, sum;
  sum = 0;
  for (int i = 0; i < N; i++) {
    int l, r;
    cin >> l >> r;
    sum += (r - l) + 1;
  }
  cout << sum << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: expected '}' at end of input
   12 |   cout << sum << endl;
      |                       ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
  int N;
  for (int i = 0; i < N; i++) {
    int l, r, sum;
    sum = 0;
    cin >> l >> r;
    sum += (r - l) + 1;
  }
  cout << sum << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:12:11: error: 'sum' was not declared in this scope
   12 |   cout << sum << endl;
      |           ^~~
a.cc:12:23: error: expected '}' at end of input
   12 |   cout << sum << endl;
      |                       ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef vector<int> vint;
typedef vector<string> vstr;
int main{
	int N,ans;
	ans=0;
	cin>>N;
	vint l(N),r(N);
	for(int i=0;i<N;i++) {
		cin>>l[i]>>r[i];
		ans+=r[i]-l[i]+1;
	}
	cout<<ans<<endl;
 
}

Compiler output:
a.cc:5:5: error: cannot declare '::main' to be a global variable
    5 | int main{
      |     ^~~~
a.cc:6:9: error: expected primary-expression before 'int'
    6 |         int N,ans;
      |         ^~~
a.cc:6:9: error: expected '}' before 'int'
a.cc:5:9: note: to match this '{'
    5 | int main{
      |         ^
a.cc:7:9: error: 'ans' does not name a type
    7 |         ans=0;
      |         ^~~
a.cc:8:9: error: 'cin' does not name a type
    8 |         cin>>N;
      |         ^~~
a.cc:9:16: error: 'N' was not declared in this scope
    9 |         vint l(N),r(N);
      |                ^
a.cc:9:21: error: 'N' was not declared in this scope
    9 |         vint l(N),r(N);
      |                     ^
a.cc:10:9: error: expected unqualified-id before 'for'
   10 |         for(int i=0;i<N;i++) {
      |         ^~~
a.cc:10:21: error: 'i' does not name a type
   10 |         for(int i=0;i<N;i++) {
      |                     ^
a.cc:10:25: error: 'i' does not name a type
   10 |         for(int i=0;i<N;i++) {
      |                         ^
a.cc:14:9: error: 'cout' does not name a type
   14 |         cout<<ans<<endl;
      |         ^~~~
a.cc:16:1: error: expected declaration before '}' token
   16 | }
      | ^
Language: C++

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

int main() {
  int t=0;
  
  for ( int i=0; i<N; i++ ) {
    int l,r;
    cin >> l >> r;
    
    t += r-l+1;
  }
  
  cout << t << endl;
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:7:20: error: 'N' was not declared in this scope
    7 |   for ( int i=0; i<N; i++ ) {
      |                    ^
Language: C++

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

int main(){
  int N, l, r, a;
  cin >> N;
  for (int i = 0; i < N, i++) {
    cin >> l >> r;
    a += r - l + 1;
  }
  cout << a << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:29: error: expected ';' before ')' token
    7 |   for (int i = 0; i < N, i++) {
      |                             ^
      |                             ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
	int N;
	cin>>N;
	int anser=N;
	vec<int> vea;
	vec<int> veb;
	for(int i=0; i<N; i++){
		cin>>vea.at(i)>>veb.at(i);
	}
	for(int i=0; i<N; i++){
		anser+=veb.at(i)-vea.at(i);
	}
	cout<<anser<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'vec' was not declared in this scope
    7 |         vec<int> vea;
      |         ^~~
a.cc:7:13: error: expected primary-expression before 'int'
    7 |         vec<int> vea;
      |             ^~~
a.cc:8:13: error: expected primary-expression before 'int'
    8 |         vec<int> veb;
      |             ^~~
a.cc:10:22: error: 'vea' was not declared in this scope
   10 |                 cin>>vea.at(i)>>veb.at(i);
      |                      ^~~
a.cc:10:33: error: 'veb' was not declared in this scope
   10 |                 cin>>vea.at(i)>>veb.at(i);
      |                                 ^~~
a.cc:13:24: error: 'veb' was not declared in this scope
   13 |                 anser+=veb.at(i)-vea.at(i);
      |                        ^~~
a.cc:13:34: error: 'vea' was not declared in this scope
   13 |                 anser+=veb.at(i)-vea.at(i);
      |                                  ^~~
Language: C++

#include <iostream>
using namespace std;

int main() {
  int N, l, r, M;
  cin >> N;
  M = 0;
  for (i = 0; i < N; i++) {
    cin >> l >> r;
    M += (r - l + 1);
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:8: error: 'i' was not declared in this scope
    8 |   for (i = 0; i < N; i++) {
      |        ^
Language: C++

#include<iostream>
using namespace std;

int main(){
	int N,sum=0;
  	cin>>N;
  	for(int i=0;i<N;++i){
    	cin>>l>>r;
      	sum+=(r-l+1);
    }
  	cout<<sum<<endl;
  	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: 'l' was not declared in this scope
    8 |         cin>>l>>r;
      |              ^
a.cc:8:17: error: 'r' was not declared in this scope
    8 |         cin>>l>>r;
      |                 ^
Language: C++

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

int main(){
  int N,l,r;
  cin >>N >>l >>r;
  int a=0;

  for(int i=0; i<N; i++){
    b=r-l+1;    
    a += b;
  }
  
  cout <<a <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'b' was not declared in this scope
   10 |     b=r-l+1;
      |     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
	int N,A=0;
	cin>>N;
	for(int i=0; i<N; i++){
		int a,b;
		cin>>a>>b;
		A+=(b-a+1)
	}
	cout<<A<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:27: error: expected ';' before '}' token
   10 |                 A+=(b-a+1)
      |                           ^
      |                           ;
   11 |         }
      |         ~
Language: C++

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

int main(){
  int N;
  cin>>N;
  int x=0;
  for(int i=0;i<N;i++){
    int p,q;
    cin>>p>>q;
    int R=q-p+1;
    x+=R
  }
  cout<<x<<endl;
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: expected ';' before '}' token
   12 |     x+=R
      |         ^
      |         ;
   13 |   }
      |   ~
Language: C++

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

int main() {
  int N;
  int count=0;
  cin >> N;
  for (int i=0; i<N; i++) {
    int l, r;
    cin >> l >> r;
    count += r-l+1
  }
  cout << count << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:19: error: expected ';' before '}' token
   11 |     count += r-l+1
      |                   ^
      |                   ;
   12 |   }
      |   ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    int l,r,ans;
    cin>>n;/
    for(int i=1;i<=n;i++)
	{
        cin>>l>>r;
        ans+=r-l+1;
    }
    cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:12: error: expected primary-expression before '/' token
    7 |     cin>>n;/
      |            ^
a.cc:8:5: error: expected primary-expression before 'for'
    8 |     for(int i=1;i<=n;i++)
      |     ^~~
a.cc:8:17: error: 'i' was not declared in this scope
    8 |     for(int i=1;i<=n;i++)
      |                 ^
Language: Java

import java.util.*;
public class Main{public static void main(String[]args){
Scanner sc=new Scanner(System.in);
  int a=sc.nextInt(),ans=a;
  for(int i=0;i<a;i++){
  a=-sc.nextInt()+sc.nextInt();
  }
  System.out.println(ans)
}}


Compiler output:
Main.java:8: error: ';' expected
  System.out.println(ans)
                         ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N, a, b, c;
  c = 0;
  cin >> N;
  for (i = 0; i < N; i++) {
    cin >> a >> b;
    c = b - a + 1
  }
  cout << c << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:8: error: 'i' was not declared in this scope
    8 |   for (i = 0; i < N; i++) {
      |        ^
a.cc:10:18: error: expected ';' before '}' token
   10 |     c = b - a + 1
      |                  ^
      |                  ;
   11 |   }
      |   ~
Language: C++

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

int main() {
  int n, l, r, t;
  sin >> n;
  t = 0;

  for (int i = 0; i < n; i++) {
    sin >> l >> r;
    t += (l + r + 1);
  }
  sout << t << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:7: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator>>'
    6 |   sin >> n;
      |   ~~~~^~~~
a.cc:10:9: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator>>'
   10 |     sin >> l >> r;
      |     ~~~~^~~~
a.cc:13:3: error: 'sout' was not declared in this scope; did you mean 'stdout'?
   13 |   sout << t << endl;
      |   ^~~~
      |   stdout
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,c=0;cin>>n;
  for(int i=0;i<n;i++){
    int l,r;cin>>l>>r;
    c+=(r-l)+1}
  cout<<c;}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:15: error: expected ';' before '}' token
    7 |     c+=(r-l)+1}
      |               ^
      |               ;
Language: C++

#include <iostream>
using namespace std;

int main(){
  int n;
  cin >> n;
  int l[n],r[n];
  for(int i=0;i<n;i++){
    cin >> l[i],r[i];
  }
  int t[n];
  for(int i=0;i<n;i++){
    t[i]=r[i]-l[i]+1;
  }
  int ans=0;
  for(int i=0;i<n:i++){
    ans=ans+t[i];
  }
  cout << ans << endl;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:16:15: warning: range-based 'for' loops with initializer only available with '-std=c++20' or '-std=gnu++20' [-Wc++20-extensions]
   16 |   for(int i=0;i<n:i++){
      |               ^
a.cc:16:18: error: found ':' in nested-name-specifier, expected '::'
   16 |   for(int i=0;i<n:i++){
      |                  ^
      |                  ::
a.cc:16:17: error: 'n' is not a class, namespace, or enumeration
   16 |   for(int i=0;i<n:i++){
      |                 ^
a.cc:20:1: error: expected primary-expression before '}' token
   20 | }
      | ^
a.cc:19:23: error: expected ')' before '}' token
   19 |   cout << ans << endl;
      |                       ^
      |                       )
   20 | }
      | ~                      
a.cc:16:6: note: to match this '('
   16 |   for(int i=0;i<n:i++){
      |      ^
a.cc:20:1: error: expected primary-expression before '}' token
   20 | }
      | ^
Language: C++

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

int main (){
    int N,;
    int total = 0;
    cin >> N;

    int l[N], r[N];

    for(int i = 0; i < N; i++){
        cin >> l[i] >> r[i];
        total += (r[i] - l[i]) + 1;
    }

    cout << total << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:11: error: expected unqualified-id before ';' token
    5 |     int N,;
      |           ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  int sum = 0;
  for(i = 0; i < N; i++) {
    int x, y;
    cin  >> x >> y;
    sum = y - x + 1;
  }
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i = 0; i < N; i++) {
      |       ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  int sum;
  for(i = 0; i < N; i++) {
    int x, y;
    cin  >> x >> y;
    sum = y - x + 1;
  }
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i = 0; i < N; i++) {
      |       ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  for(int i = 0; i < N; i++) {
    int x, y;
    cin >> x >> y;
    int sum = y - x +1;
  }
  cout << sum << endl;
}

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

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

int main() {
  int N;
  cin >> N;
  int ans = 0;
  
  for (int = i; i < N; i++) {
    int l, r;
    cin >> l >> r;
    
    ans += (r - l + 1);
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:12: error: expected unqualified-id before '=' token
    9 |   for (int = i; i < N; i++) {
      |            ^
a.cc:9:11: error: expected ';' before '=' token
    9 |   for (int = i; i < N; i++) {
      |           ^~
      |           ;
a.cc:9:12: error: expected primary-expression before '=' token
    9 |   for (int = i; i < N; i++) {
      |            ^
a.cc:9:14: error: 'i' was not declared in this scope
    9 |   for (int = i; i < N; i++) {
      |              ^
a.cc:9:22: error: expected ')' before ';' token
    9 |   for (int = i; i < N; i++) {
      |       ~              ^
      |                      )
a.cc:9:24: error: 'i' was not declared in this scope
    9 |   for (int = i; i < N; i++) {
      |                        ^
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
int main(){
  int a,b,c;
  int d=0;
  cin>>a;
  int i;
  for(i=0;i<a;i++){
    cin>>b>>c;
    d+=c-b+1
  }
  cout<<d<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:13: error: expected ';' before '}' token
   11 |     d+=c-b+1
      |             ^
      |             ;
   12 |   }
      |   ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int a,b,n,a[100005],ans;
int main()
{
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>a>>b;
		for(int j=a;j<=b;j++)
			b[j]=1;
	}
	for(int i=1;i<=100000;i++)
		if(b[i]>0) ans++;
	cout<<ans;
	return 0;
}

Compiler output:
a.cc:3:11: error: conflicting declaration 'int a [100005]'
    3 | int a,b,n,a[100005],ans;
      |           ^
a.cc:3:5: note: previous declaration as 'int a'
    3 | int a,b,n,a[100005],ans;
      |     ^
a.cc: In function 'int main()':
a.cc:11:26: error: invalid types 'int[int]' for array subscript
   11 |                         b[j]=1;
      |                          ^
a.cc:14:21: error: invalid types 'int[int]' for array subscript
   14 |                 if(b[i]>0) ans++;
      |                     ^
Language: C++

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

int main() {
	int N;
	cin >> N;
	int l, r;
	int sum = 0;
	for (int i = 0; i < N, i++) {
		cin >> l >> r;
		sum += l - r + 1;
	}
	cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:35: error: expected ';' before ')' token
    9 |         for (int i = 0; i < N, i++) {
      |                                   ^
      |                                   ;
Language: C++

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

int main(){
  int N;
  int a,b,c,d,e,f;
  vector<int> vec(N);
  cin >> N;
  for(int i = 0;i<N;i++){
  cin >>a >>b;
  vec[i] = b - a +1;
  a += vec[i]
  }
  cout << a <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:14: error: expected ';' before '}' token
   12 |   a += vec[i]
      |              ^
      |              ;
   13 |   }
      |   ~
Language: C++

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

int main(){
  int N;
  int a,b,c,d,e,f;
  vector<int> vec(N);
  cin >> N;
  for(int i = 0;i<N;i++){
  cin >>a >>b;
  vec(i).at = b - a +1;
  a += vec(i).at;
  }
  cout << a <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:6: error: no match for call to '(std::vector<int>) (int&)'
   11 |   vec(i).at = b - a +1;
      |   ~~~^~~
a.cc:12:11: error: no match for call to '(std::vector<int>) (int&)'
   12 |   a += vec(i).at;
      |        ~~~^~~
Language: C++

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

int main(){
  int N;
  int a,b,c,d,e,f;
  vector<int> vec(N);
  cin >> N;
  for(int i = 0;i<N;i++){
  cin >>a >>b;
  vec(i).at = b - a +1;
  a += vec(i);
  }
  cout << a <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:6: error: no match for call to '(std::vector<int>) (int&)'
   11 |   vec(i).at = b - a +1;
      |   ~~~^~~
a.cc:12:11: error: no match for call to '(std::vector<int>) (int&)'
   12 |   a += vec(i);
      |        ~~~^~~
Language: C++

#include<iostream>
using namespace std;

int main(){
  int n;cin>>n;
  int l,r,member=0;
  for(int i=0;i<n;i++){
    cin>>l>>r;
    member+=r-l+1
  }
  cout<<member<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:18: error: expected ';' before '}' token
    9 |     member+=r-l+1
      |                  ^
      |                  ;
   10 |   }
      |   ~
Language: C++

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

int main() {
  int N, c;
  c=0;
  cin >> N;
  for (int i==0; i < N; i++) {
    int a, b;
    cin >> a >> b;
    c += b-a+1;
  }
  cout << c << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: expected ';' before '==' token
    8 |   for (int i==0; i < N; i++) {
      |             ^~
      |             ;
a.cc:8:13: error: expected primary-expression before '==' token
    8 |   for (int i==0; i < N; i++) {
      |             ^~
a.cc:8:23: error: expected ')' before ';' token
    8 |   for (int i==0; i < N; i++) {
      |       ~               ^
      |                       )
a.cc:8:25: error: 'i' was not declared in this scope
    8 |   for (int i==0; i < N; i++) {
      |                         ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  s = 0;
  for (int i = 0; i < N; i++){
    int l_i, r_i,
    cin >> l_i >> r_i;
    s += r_i - l_i +1;
  }
  cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 's' was not declared in this scope
    6 |   s = 0;
      |   ^
a.cc:9:9: error: expected initializer before '>>' token
    9 |     cin >> l_i >> r_i;
      |         ^~
Language: C++

#include<iostream>
using namespace std;
int main(){
	int n;
	int a=0;
	cin>>n;
	int l[n]
	for(int i=0;i<n*2;i++){cin>>l[i];}
	for(int f=1;f<n*2;f+=2){
		a+=l[f]-l[f-1]+1;
	}
	cout<<a<<endl;


}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: expected initializer before 'for'
    8 |         for(int i=0;i<n*2;i++){cin>>l[i];}
      |         ^~~
a.cc:8:21: error: 'i' was not declared in this scope
    8 |         for(int i=0;i<n*2;i++){cin>>l[i];}
      |                     ^
a.cc:10:20: error: 'l' was not declared in this scope
   10 |                 a+=l[f]-l[f-1]+1;
      |                    ^
Language: C++


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

int main() {
   /*int res,N,l,r;
   res=0;
   scanf("%d",&N); 
   for(int i=0;i<N;i++){
     scanf("%d%d",&l,&r);
     res+=r-l+1;
   } 
　　printf("%d\n",res);
   */
    int N;
	scanf("%d",&N);
	int ans = 0;
	for(int i,i<N,i++){
		int l,r;
		scanf("%d%d",&l,&r);
		ans += r - l + 1;
	}
	printf("%d\n",ans);
 
	return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: expected ';' before '<' token
   18 |         for(int i,i<N,i++){
      |                    ^
      |                    ;
a.cc:18:20: error: expected primary-expression before '<' token
a.cc:18:26: error: expected ';' before ')' token
   18 |         for(int i,i<N,i++){
      |                          ^
      |                          ;
Language: C++

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

int main() {
   int res,N,l,r;
   res=0;
   scanf("%d",&N); 
   for(int i=0;i<N;i++){
     scanf("%d%d",&l,&r);
     res+=r-l+1;
   } 
　　printf("%d\n",res);
}
*/
# include < cstdio >
int N , res ,l , r ;
int main ()
{
scanf ( " % d " ,& N );
for ( int i =0; i < N ; i ++){ scanf ( " % d % d " ,&l ,& r ) ; res += r - l +1;
}
printf ( " % d \ n " , res );
}

Compiler output:
a.cc:16:11: fatal error:  cstdio : No such file or directory
   16 | # include < cstdio >
      |           ^~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
   int res,N,l,r;
   res=0;
   scanf("%d",&N); 
   for(int i=0;i<N;i++){
     scanf("%d%d",&l,&r);
     res+=r-l+1;
   } 
　　printf("%d\n",res);
}
*/
# include < cstdio >
int N , res ,l , r ;
int main ()
{
scanf ( " % d " ,& N );
for ( int i =0; i < N ; i ++) scanf ( " % d % d " ,&l ,& r ) , res += r - l +1;
printf ( " % d \ n " , res );
}

Compiler output:
a.cc:16:11: fatal error:  cstdio : No such file or directory
   16 | # include < cstdio >
      |           ^~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
   int res,N,l,r;
   res=0;
   scanf("%d",&N); 
   for(int i=0;i<N;i++){
     scanf("%d%d",&l,&r);
     res+=r-l+1;
   } 
　　printf("%d\n",res);
}

Compiler output:
a.cc:12:1: error: extended character 　 is not valid in an identifier
   12 | 　　printf("%d\n",res);
      | ^
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc: In function 'int main()':
a.cc:12:1: error: '\U00003000\U00003000printf' was not declared in this scope
   12 | 　　printf("%d\n",res);
      | ^~~~~~~~~~
Language: C++

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

int main() {
   int res,N,l,r;
   scanf("%d",&N); 
   for(int i=0;i<N;i++){
     scanf("%d%d",&l,&r);
     res+=r-l+1;
   } 
　　printf("%d\n",res);
}

Compiler output:
a.cc:11:1: error: extended character 　 is not valid in an identifier
   11 | 　　printf("%d\n",res);
      | ^
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc: In function 'int main()':
a.cc:11:1: error: '\U00003000\U00003000printf' was not declared in this scope
   11 | 　　printf("%d\n",res);
      | ^~~~~~~~~~
Language: C++

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

int main() {
   int res,N,l,r;
   scanf("%d",&N); 
   for(int i=0;i<N;i++){
     scanf("%d%d",&l,&r);
     res+=r-l+1;
   } 
　　printf("%d\n",&res);
}

Compiler output:
a.cc:11:1: error: extended character 　 is not valid in an identifier
   11 | 　　printf("%d\n",&res);
      | ^
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc: In function 'int main()':
a.cc:11:1: error: '\U00003000\U00003000printf' was not declared in this scope
   11 | 　　printf("%d\n",&res);
      | ^~~~~~~~~~
Language: C++

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

int main() {
   int res,N,l,r;
   scanf("%d",&N); 
   for(int i=0;i<N;i++){
     scanf("%d%d",&l,&r);
     res+=r-l+1;
   } 
　　printf("%d¥n",&res);
}

Compiler output:
a.cc:11:1: error: extended character 　 is not valid in an identifier
   11 | 　　printf("%d¥n",&res);
      | ^
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc: In function 'int main()':
a.cc:11:1: error: '\U00003000\U00003000printf' was not declared in this scope
   11 | 　　printf("%d¥n",&res);
      | ^~~~~~~~~~
Language: Java

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;

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


Compiler output:
Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include <bits/stdc++.h>
         ^
Main.java:5: error: not a statement
    cin >> n;
        ^
Main.java:7: error: not a statement
    vector<int> l(n), r(n);
                  ^
Main.java:10: error: not a statement
        cin >> l[i] >> r[i];
                    ^
Main.java:13: error: not a statement
    cout << ans << endl;
                ^
Main.java:3: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
  (use --enable-preview to enable unnamed classes)
Main.java:7: error: ';' expected
    vector<int> l(n), r(n);
                 ^
Main.java:7: error: ';' expected
    vector<int> l(n), r(n);
                   ^
9 errors
Language: C++

#include<bits/stdc++.h>
using namespace std;
int n;
int main(){
  cin >> n;
  int l, r;
  int seat = 0;
  for(int i = ;i < n; ++i){
    cin >> l >> r;
    seat += (r - l);
  }
  cout << seat << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: expected primary-expression before ';' token
    8 |   for(int i = ;i < n; ++i){
      |               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int n;
int main(){
  cin >> n;
  int l, r;
  int seat = 0;
  for(int i = ;i < n; ++i){
    cin >> l >> r;
    seat += r - l;
  }
  cout << seat << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: expected primary-expression before ';' token
    8 |   for(int i = ;i < n; ++i){
      |               ^
Language: C

#include<iostream>
using namespace std;
int main(void){
  int n,ans=0,l,r;
  cin>>n;
  for(int i=0;i<n;i++){
    cin>>l>>r;
    ans+=r-l+1;
  }
  cout<<ans;
  return 0;
}

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

#include<iostream>
 
using namespace std;
 
int main(){
	int n;
    cin>>n;
	int l,r,ans=0;
	REP(i,n){
		cin>>l>>r;
		ans+=r+1-1;
	}
	cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:13: error: 'i' was not declared in this scope
    9 |         REP(i,n){
      |             ^
a.cc:9:9: error: 'REP' was not declared in this scope
    9 |         REP(i,n){
      |         ^~~
Language: C++

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

int main(){
  int N, l, r, sum;
  cin >> N;
  for(int i = 0; i < N; i++){
    cin >> l >> r;
    sum += (r - l + 1)
  }
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:23: error: expected ';' before '}' token
    9 |     sum += (r - l + 1)
      |                       ^
      |                       ;
   10 |   }
      |   ~
Language: C++

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

int main(){
  int a,b,c,sum;
  for (i = 0; i < a ; i++){
    cin >> b >> c;
    sum += c - b + 1;
  }
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: 'i' was not declared in this scope
    6 |   for (i = 0; i < a ; i++){
      |        ^
Language: C++

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

int main() {

  int N,r,l;
  cin >> N;
  for (int i = 0; i < N; i++) {
    cin >> l >> r;
    int x = 0;
     x += r-l+1;
  }
    
    cout << x << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:13: error: 'x' was not declared in this scope
   14 |     cout << x << endl;
      |             ^
Language: C++

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

int main() {
	int n;
	cin >> n;
	int sum = 0;
	for (int i = 0; i < n; i++) {
		int l.r;
		cin >> l >> r;
		sum += (r - l + 1);
	}
	cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:22: error: expected initializer before '.' token
   10 |                 int l.r;
      |                      ^
a.cc:11:24: error: 'l' was not declared in this scope
   11 |                 cin >> l >> r;
      |                        ^
a.cc:11:29: error: 'r' was not declared in this scope
   11 |                 cin >> l >> r;
      |                             ^
Language: C++

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

int main() {
  int N;
  cin>>N;
  
  vector<int> Lseat(1100);
  vector<int> Rseat(1100);
  
  for(int i=0;i<N;i++){
    cin>>Lseat[i];
    cin>>Rseat[i];
    cout<<endl;
  }
  
  int x=0;
  for(int i=0;i<N;i++){
    x+=Rseat[i]-Leat[i]+1;
  }
  
  cout<<x<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:17: error: 'Leat' was not declared in this scope; did you mean 'Lseat'?
   20 |     x+=Rseat[i]-Leat[i]+1;
      |                 ^~~~
      |                 Lseat