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

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

int main() {

  int = N;
  cin >> N;
  int sum =0:
  
  int = L, R;

  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:6:7: error: expected unqualified-id before '=' token
    6 |   int = N;
      |       ^
a.cc:7:10: error: 'N' was not declared in this scope
    7 |   cin >> N;
      |          ^
a.cc:8:13: error: expected ',' or ';' before ':' token
    8 |   int sum =0:
      |             ^
a.cc:13:12: error: 'L' was not declared in this scope
   13 |     cin >> L >> R;
      |            ^
a.cc:13:17: error: 'R' was not declared in this scope
   13 |     cin >> L >> R;
      |                 ^
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:11:21: error: expected ';' before '}' token
   11 |     a += (r - l + 1)
      |                     ^
      |                     ;
   12 |   }
      |   ~
Language: C++

#include<iostream>
using namespace std;
int main(){
    std::ios::symc_with_stdio(false);
    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:4:15: error: 'symc_with_stdio' is not a member of 'std::ios' {aka 'std::basic_ios<char>'}
    4 |     std::ios::symc_with_stdio(false);
      |               ^~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int a[int(1e5)+1];
int main()
{
  for(int i=0;i<int(1e5)+1;i++) a[i]=0;
  int n,t,l,r;
  cin>>n;
  t=n;
  while(t--)
  {
    cin>>l>>r;
    a[l]+=1;
    a[r]-=1;
  }
  int trav=0;
  for(int i=1;i<100001;i++)
  {
    trav+=a[i];
    if(trav)
      c++;
  }
  cout<<c+n<<"\n";
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:7: error: 'c' was not declared in this scope
   21 |       c++;
      |       ^
a.cc:23:9: error: 'c' was not declared in this scope
   23 |   cout<<c+n<<"\n";
      |         ^
Language: C++

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

int main() {
  int N;
  int r[100000];
  int l[100000];
  cin >> N;
  int p[100000];
  int sum;
  for (i = 0; i < N; i++) {
    cin >> l[i] >> r[i] ;
    p[i] = 0;
    p[i] = r[i] - l[i]+1;
    sum += p[i];
  }
  
  //cout << "文字列" << endl;で文字列を出力できる
  //cin >> 変数 で入力を受け取ることができる
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: 'i' was not declared in this scope
   11 |   for (i = 0; i < N; i++) {
      |        ^
Language: C++

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

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

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

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

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

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

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

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

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

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

#include<stdio.h>

int main(){
    int N,data[2],ans=0;
    scanf("%d",&N);
    for(i=0;i<N;i++){
        scanf("%d",&data[0]);
        scanf("%d",&data[1]);
        ans+=data[1]-data[0]+1;
    }
    printf("%d\n",ans);
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:6:9: error: 'i' undeclared (first use in this function)
    6 |     for(i=0;i<N;i++){
      |         ^
main.c:6:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

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

  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:11:17: error: expected ';' before '}' token
   11 |     sum += r-l+1
      |                 ^
      |                 ;
   12 |   }
      |   ~
Language: C++

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

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

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

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

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

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: expected ';' before 'for'
    7 |   T = 0
      |        ^
      |        ;
    8 | 
    9 |   for(N < 1; N--;) {
      |   ~~~   
a.cc:9:18: error: expected primary-expression before ')' token
    9 |   for(N < 1; N--;) {
      |                  ^
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: expected ';' before 'for'
    7 |   T = 0
      |        ^
      |        ;
    8 | 
    9 |   for(N < 1; N--) {
      |   ~~~   
a.cc:9:17: error: expected ';' before ')' token
    9 |   for(N < 1; N--) {
      |                 ^
      |                 ;
Language: C++

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

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

Compiler output:
a.cc:4:1: error: 'in' does not name a type; did you mean 'int'?
    4 | in main() {
      | ^~
      | int
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: expected ';' before 'for'
    7 |   T = 0
      |        ^
      |        ;
    8 | 
    9 |   for(N < 1; N--;) {
      |   ~~~   
a.cc:9:18: error: expected primary-expression before ')' token
    9 |   for(N < 1; N--;) {
      |                  ^
Language: C++

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

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

Compiler output:
a.cc:4:1: error: 'in' does not name a type; did you mean 'int'?
    4 | in main() {
      | ^~
      | int
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 B, C;
    cin >> B >> C;
    A += C-B+1
  }
  cout << A << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: expected ';' before '}' token
   11 |     A += C-B+1
      |               ^
      |               ;
   12 |   }
      |   ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;
  cin >> n ;
  vector <vector<int>> vec(n , vector<int>(2));
  for (int i = 0; i < n; i++){
  for (int j = 0; j < 2; j++){
  cin >> vec.at(i).at(j);
  }
  } 
  int count = 0;
  for (int i = 0; i < n; i++){
  count += vec.at(i).at(1) - vec.at(i).at(0) + 1;
  }
  }
  cout << count;
  }


Compiler output:
a.cc:18:3: error: 'cout' does not name a type
   18 |   cout << count;
      |   ^~~~
a.cc:19:3: error: expected declaration before '}' token
   19 |   }
      |   ^
Language: Java

import java.util.*;
public class Main{
	public static void main(String[] args){
    	Scanner sc  = new Scanner(System.in);
      int n = sc.nextInt();
      int[] l = new int(n);
      int[] r = new int(n);
      int sum = 0;
      for(int i = 0;i < n;i++){
      	l[i] = sc.nextInt();
        r[i] = sc.nextInt();
		sum += r[i]-l[i]+1;
      }
      System.out.println(sum);
    }
}

Compiler output:
Main.java:6: error: '[' expected
      int[] l = new int(n);
                       ^
Main.java:6: error: ']' expected
      int[] l = new int(n);
                          ^
Main.java:7: error: '[' expected
      int[] r = new int(n);
                       ^
Main.java:7: error: ']' expected
      int[] r = new int(n);
                          ^
4 errors
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: expected ',' or ';' before 'for'
    9 |   for (int i = 0; i < N; i++){
      |   ^~~
a.cc:9:19: error: 'i' was not declared in this scope
    9 |   for (int i = 0; i < N; i++){
      |                   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
	int N;
  	int sum = 0;
  
  	for (int i = 0; i < N; i++) {
    	int, n1, n2;
      	cin >> n1 >> n2;
      
      	sum = (n2 - n1) + 1;
    }
  
  	cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:12: error: expected unqualified-id before ',' token
    9 |         int, n1, n2;
      |            ^
Language: C++

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

int main() {

  int N, ps, ls, occ, i, j;
  
  cin >> N;
  
  for (i = 0; i< N; i++) {
    cin >> ps >> ls;
    
    for (j = ps, j < ls, j++) {
      occ++;
    }
  }

  cout << occ << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:29: error: expected ';' before ')' token
   13 |     for (j = ps, j < ls, j++) {
      |                             ^
      |                             ;
a.cc:16:3: error: expected primary-expression before '}' token
   16 |   }
      |   ^
a.cc:15:6: error: expected ';' before '}' token
   15 |     }
      |      ^
      |      ;
   16 |   }
      |   ~   
a.cc:16:3: error: expected primary-expression before '}' token
   16 |   }
      |   ^
a.cc:15:6: error: expected ')' before '}' token
   15 |     }
      |      ^
      |      )
   16 |   }
      |   ~   
a.cc:13:9: note: to match this '('
   13 |     for (j = ps, j < ls, j++) {
      |         ^
a.cc:16:3: error: expected primary-expression before '}' token
   16 |   }
      |   ^
Language: C++

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

int main() {

  int N, ps, ls, occ, i, j;
  
  cin >> N;
  
  for (i = 0; i< N; i++) {
    cin >> ps >> ls;
    
    for (j = ps, j < ls, j++) 
      occ++;
  }

  cout << occ << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:29: error: expected ';' before ')' token
   13 |     for (j = ps, j < ls, j++)
      |                             ^
      |                             ;
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
a.cc:14:13: error: expected ';' before '}' token
   14 |       occ++;
      |             ^
      |             ;
   15 |   }
      |   ~          
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
a.cc:14:13: error: expected ')' before '}' token
   14 |       occ++;
      |             ^
      |             )
   15 |   }
      |   ~          
a.cc:13:9: note: to match this '('
   13 |     for (j = ps, j < ls, j++)
      |         ^
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
Language: C++

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

int main() {

  int N, ps, ls, occ;
  
  cin >> N;
  
  for (i = 0; i< N; i++) {
    cin >> ps >> ls;
    
    for (i = ps, i < ls, i++) 
      occ++;
  }

  cout << occ << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: 'i' was not declared in this scope
   10 |   for (i = 0; i< N; i++) {
      |        ^
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
a.cc:14:13: error: expected ';' before '}' token
   14 |       occ++;
      |             ^
      |             ;
   15 |   }
      |   ~          
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
a.cc:14:13: error: expected ')' before '}' token
   14 |       occ++;
      |             ^
      |             )
   15 |   }
      |   ~          
a.cc:13:9: note: to match this '('
   13 |     for (i = ps, i < ls, i++)
      |         ^
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
Language: C++

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

int main() {

  int N, ps, ls, occ;
  
  cin >> N;
  
  for (i = 0; i< N; i++) {
    cin >> ps >> ls;
    
    for (i = ps, i < ls, i++) 
      occ++;
  }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: 'i' was not declared in this scope
   10 |   for (i = 0; i< N; i++) {
      |        ^
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
a.cc:14:13: error: expected ';' before '}' token
   14 |       occ++;
      |             ^
      |             ;
   15 |   }
      |   ~          
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
a.cc:14:13: error: expected ')' before '}' token
   14 |       occ++;
      |             ^
      |             )
   15 |   }
      |   ~          
a.cc:13:9: note: to match this '('
   13 |     for (i = ps, i < ls, i++)
      |         ^
a.cc:15:3: error: expected primary-expression before '}' token
   15 |   }
      |   ^
Language: C++

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

int main(){
  int N;
  cin >> N;
  for(;N>0;N--){
    int a,b,c,sum;
    cin >> a >> b;
    c = b - a;
    sum += c;
  }
  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 n,i,j,a[99999],sum=0;
    cin>>n;
    for(i=1;i<=n*2;i++)
    cin>>a[i];
    for(j=1;j<=n*2;j++)
    {
    if(j%2==1)
    sum=sum+abs(a[j+1]-a[j])+1
    }
    cout<<sum;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:31: error: expected ';' before '}' token
   12 |     sum=sum+abs(a[j+1]-a[j])+1
      |                               ^
      |                               ;
   13 |     }
      |     ~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: 'i' was not declared in this scope
   10 |   rep(i,n){
      |       ^
a.cc:10:3: error: 'rep' was not declared in this scope
   10 |   rep(i,n){
      |   ^~~
Language: C++

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

#define DEBUG(x) cout << '>' << #x << ':' << x << endl;
#define mem(x,val) memset((x),(val),sizeof(x))
#define all(x) x.begin(),x.end()
#define pb push_back
#define mp make_pair
#define PI acos(-1.0) 
#define N 111111

const int INF = 1 << 30 ;
typedef long long ll ;
typedef pair < int , int > pii ;


int main() {
  int  n , l, h
  scanf("%d", &n) ;

  for(int i = 0 ;i<n ; i++){
    scanf("%d %d", &l, &r) ;
    ans+=(r-l+1) ;
  }
  cout << ans << endl ;
	
  return 0 ;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:3: error: expected initializer before 'scanf'
   19 |   scanf("%d", &n) ;
      |   ^~~~~
a.cc:22:25: error: 'r' was not declared in this scope
   22 |     scanf("%d %d", &l, &r) ;
      |                         ^
a.cc:23:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |     ans+=(r-l+1) ;
      |     ^~~
      |     abs
a.cc:25:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   25 |   cout << ans << endl ;
      |           ^~~
      |           abs
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:11:21: error: expected ';' before 'cout'
   11 |     A += (y - x + 1)
      |                     ^
      |                     ;
   12 |   cout << A << endl;
      |   ~~~~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:11:21: error: expected ';' before '}' token
   11 |     A += (y - x + 1)
      |                     ^
      |                     ;
   12 |     }
      |     ~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: expected unqualified-id before ';' token
    5 |   int N,;
      |         ^
a.cc:11:21: error: expected ';' before '}' token
   11 |     A += (y - x + 1)
      |                     ^
      |                     ;
   12 |     }
      |     ~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: expected unqualified-id before ';' token
    5 |   int N,;
      |         ^
a.cc:6:15: error: 'A' was not declared in this scope
    6 |   cin >> N >> A;
      |               ^
Language: C++

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

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;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: expected ';' before 'cout'
   11 |     sum +=r-l+1
      |                ^
      |                ;
   12 |     cout << sum;
      |     ~~~~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:11:13: error: expected initializer before '+=' token
   11 |     int sum +=r-l+1
      |             ^~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: expected initializer before '+=' token
   11 |     int sum+=r-l+1
      |            ^~
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 += r - l + 1;
  }
  
  cout << sum << endl;
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: expected initializer before 'int'
    9 |   int sum = 0;
      |   ^~~
a.cc:11:17: error: 'r' was not declared in this scope
   11 |     cin >> l >> r;
      |                 ^
a.cc:12:5: error: 'sum' was not declared in this scope
   12 |     sum += r - l + 1;
      |     ^~~
a.cc:15:11: error: 'sum' was not declared in this scope
   15 |   cout << sum << endl;
      |           ^~~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:12: error: expected initializer before 'number'
    5 |   int N, i number;
      |            ^~~~~~
a.cc:7:3: error: 'number' was not declared in this scope
    7 |   number = 0;
      |   ^~~~~~
a.cc:9:8: error: 'i' was not declared in this scope
    9 |   for (i = 0; i < N; i++) {
      |        ^
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:12: error: expected initializer before 'number'
    5 |   int N, i number;
      |            ^~~~~~
a.cc:7:3: error: 'number' was not declared in this scope
    7 |   number = 0;
      |   ^~~~~~
a.cc:9:8: error: 'i' was not declared in this scope
    9 |   for (i = 0; i < N; i++) {
      |        ^
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator>>'
    7 |   sin >> N;
      |   ~~~~^~~~
a.cc:11:8: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator>>'
   11 |     sin>>l>>r;
      |     ~~~^~~
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, x;
    cin >> l >> r;
    x=0;
    x += (r-l+1);}
  cout << x << endl;
}

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

#include <iostream>
#include <vector>

using namesapce std;

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

Compiler output:
a.cc:4:7: error: expected nested-name-specifier before 'namesapce'
    4 | using namesapce std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |   cin >> N;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:16:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   16 |   cout << ans;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: Java

import java.util.Scanner;

public class Theater {
	public static void main(String[] args) throws Exception {

		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();

		int ans = 0;

		for (int i = 0; i < N; i++) {
			int l = sc.nextInt();
			int r = sc.nextInt();
			ans = ans + r - l + 1;
		}

		System.out.println(ans);

	}
}

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

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

int main() {

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: expected ',' or ';' before 'cin'
    9 |   cin >> N;
      |   ^~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:26: error: 'l' was not declared in this scope
   10 |                 ans=ans+(l-r)+1;
      |                          ^
a.cc:10:28: error: 'r' was not declared in this scope
   10 |                 ans=ans+(l-r)+1;
      |                            ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:23: error: 'l' was not declared in this scope
   10 |                 ans+=(l-r)+1;
      |                       ^
a.cc:10:25: error: 'r' was not declared in this scope
   10 |                 ans+=(l-r)+1;
      |                         ^
Language: C++

#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> TUP;
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define mp(a,b) make_pair(a,b)
const ll MOD=1000000007;

ll maxx(ll x,ll y,ll z){
	return max(max(x,y),z);
}
ll minn(ll x,ll y,ll z){
	return min(min(x,y),z);
}
ll gcd(ll x,ll y){
	if(x%y==0) return y;
    else return gcd(y,x%y);
}
ll lcm(ll x,ll y){
	return x*y/gcd(x,y);
}

int main(){
    ll N; cin>>N;
  ll ans=0;
  rep(i,N){
  	ll a,b; cin>>a>>b;
    ans+=b;
    ans-=a;
    ans++
  }
    cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:10: error: expected ';' before '}' token
   33 |     ans++
      |          ^
      |          ;
   34 |   }
      |   ~
Language: C++

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

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


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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:12:21: error: expected ';' before '}' token
   12 |   cout << jk << endl
      |                     ^
      |                     ;
   13 | }
      | ~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:26: error: expected ')' before ';' token
    8 |   for(int i=0; i < a; i++;){
      |      ~                   ^
      |                          )
a.cc:8:27: error: expected primary-expression before ')' token
    8 |   for(int i=0; i < a; i++;){
      |                           ^
a.cc:12:21: error: expected ';' before '}' token
   12 |   cout << jk << endl
      |                     ^
      |                     ;
   13 | }
      | ~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:11: error: expected unqualified-id before ',' token
    5 |     int n,,l,r,s=0;
      |           ^
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:10:22: error: expected ';' before '}' token
   10 |     w = w + l - r + 1
      |                      ^
      |                      ;
   11 |   }
      |   ~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: expected unqualified-id before 'int'
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |                  ^~~
a.cc:8:18: error: expected ';' before 'int'
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |                  ^~~
      |                  ;
a.cc:8:34: error: expected ')' before ';' token
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |      ~                           ^
      |                                  )
a.cc:8:36: error: 'i' was not declared in this scope
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |                                    ^
a.cc:8:46: error: 's' was not declared in this scope
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |                                              ^
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: expected ';' before 'cin'
    6 |   w = 0
      |        ^
      |        ;
    7 |   cin >> n;
      |   ~~~   
a.cc:8:18: error: expected unqualified-id before 'int'
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |                  ^~~
a.cc:8:18: error: expected ';' before 'int'
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |                  ^~~
      |                  ;
a.cc:8:34: error: expected ')' before ';' token
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |      ~                           ^
      |                                  )
a.cc:8:36: error: 'i' was not declared in this scope
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |                                    ^
a.cc:8:46: error: 's' was not declared in this scope
    8 |   for(int i = 0 ,int s = 0; i < n; i++, w += s){
      |                                              ^
Language: C++

#in的地方丢出IDo收到货送到后松弛
时间不是扭送到四川
四大黑哦似乎馊掉的c
但看海鸥和死党夫妇的v
凤凰的发货速度飞速佛顿饭后喝
发动机佛还是豆腐花都送if和oi
对方的一个负担
 当回佛山的哦好的
  佛的话颠覆活动
  

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #in\U00007684\U00005730\U000065b9\U00004e22\U000051faIDo\U00006536\U00005230\U00008d27\U00009001\U00005230\U0000540e\U0000677e\U00005f1b
    1 | #in的地方丢出IDo收到货送到后松弛
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:2:1: error: '\U000065f6\U000095f4\U00004e0d\U0000662f\U0000626d\U00009001\U00005230\U000056db\U00005ddd' does not name a type
    2 | 时间不是扭送到四川
      | ^~~~~~~~~~~~~~~~~~
Language: C++

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

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expected ';' before 'for'
    7 |   cin >> N
      |           ^
      |           ;
    8 | 
    9 |   for (int i = N ; i > 0 ; i--)
      |   ~~~      
a.cc:9:20: error: 'i' was not declared in this scope
    9 |   for (int i = N ; i > 0 ; i--)
      |                    ^
Language: C++

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

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:24: error: expected ';' before '}' token
   11 |     number += l - r + 1
      |                        ^
      |                        ;
   12 |   }
      |   ~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: 'i' was not declared in this scope
   10 |   for(i=0; i<N; i++){
      |       ^
Language: C++

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

int main() {
  int i=0,A;
  int N,l,r;
  cin >> N >> l >> r;
  for(i=0; i<N; i++){
      a = r-l+1;
  }
  cout << a << endl;
  // ここにプログラムを追記
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'a' was not declared in this scope
    9 |       a = r-l+1;
      |       ^
a.cc:11:11: error: 'a' was not declared in this scope
   11 |   cout << a << endl;
      |           ^
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for(ll i = 0; i < (ll)n; i++)
#define FOR(i, a, b) for(ll i = (a); i < (ll)b; i++)
#define ALL(obj) (obj).begin(), (obj).end()
#define INF 1000000000000000
using namespace std;
typedef long long ll;
typedef double db;
typedef string str;
typedef pair<ll, ll> p;
constexpr int MOD = 1000000007;
template <class T> inline bool chmin(T &a, T b) {
    if(a > b) {
        a = b;
        return true;
    }
    return false;
}
template <class T> inline bool chmax(T &a, T b) {
    if(a < b) {
        a = b;
        return true;
    }
    return false;
}

void print(const std::vector<int> &v) {
    std::for_each(v.begin(), v.end(), [](int x) { std::cout << x << " "; });
    std::cout << std::endl;
}

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

Compiler output:
a.cc: In function 'int main()':
a.cc:39:31: error: expected ';' before '}' token
   39 |         sum += r[i] - l[i] + 1
      |                               ^
      |                               ;
   40 |     }
      |     ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,N) for(int i=0,i##_max=(N);i<i##_max;++i)
#define repp(i,l,r) for(int i=(l),i##_max=(r);i<i##_max;++i)
#define per(i,N) for(int i=(N)-1;i>=0;--i)
#define perr(i,l,r) for(int i=r-1,i##_min(l);i>=i##_min;--i)
#define all(arr) (arr).begin(), (arr).end()
#define SP << " " <<
#define SPF << " "
#define SPEEDUP cin.tie(0);ios::sync_with_stdio(false);
#define MAX_I INT_MAX //1e9
#define MIN_I INT_MIN //-1e9
#define MAX_UI UINT_MAX //1e9
#define MAX_LL LLONG_MAX //1e18
#define MIN_LL LLONG_MIN //-1e18
#define MAX_ULL ULLONG_MAX //1e19
  typedef long long ll;
  typedef pair<int,int> PII;
  typedef pair<char,char> PCC;
  typedef pair<ll,ll> PLL;
  typedef pair<char,int> PCI;
  typedef pair<int,char> PIC;
  typedef pair<ll,int> PLI;
  typedef pair<int,ll> PIL; 
  typedef pair<ll,char> PLC; 
  typedef pair<char,ll> PCL; 

inline void YesNo(bool b){ cout << (b?"Yes" : "No") << endl;}
inline void YESNO(bool b){ cout << (b?"YES" : "NO") << endl;}
inline void Yay(bool b){ cout << (b?"Yay!" : ":(") << endl;}

int main(void){
  SPEEDUP
  cout << setprecision(15);
  int N;cin >> N;
  int ans = 0;
  reP(i,N){
    int l,r;cin >> l >> r;
    ans += r+1 - l;
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:7: error: 'i' was not declared in this scope
   37 |   reP(i,N){
      |       ^
a.cc:37:3: error: 'reP' was not declared in this scope; did you mean 'rep'?
   37 |   reP(i,N){
      |   ^~~
      |   rep
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:23: error: 'N' was not declared in this scope
    9 |   for (int i = 0; i < N; i++) {
      |                       ^
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 l, r;
    cin >> l >> r;
    sum += (r-l)+1
  }
  
  cout << sum << endl;
}

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

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: 'x' was not declared in this scope
   14 |     sum += x;
      |            ^
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: 'x' was not declared in this scope
   14 |     sum += x
      |            ^
Language: C++

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

int main(){
  int N,X;
  cin >> N;
  
  
  for(int i = 0; i < N; i++){
    int A, B;
    cin >> A >> B;
    
    X = B - A + 1
    X += X
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:18: error: expected ';' before 'X'
   13 |     X = B - A + 1
      |                  ^
      |                  ;
   14 |     X += X
      |     ~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: 'i' was not declared in this scope
   10 |   for(i = 0; i < N; i++){
      |       ^
Language: C++

#include<iostream>
using namespace srd;

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



Compiler output:
a.cc:2:17: error: 'srd' is not a namespace-name
    2 | using namespace srd;
      |                 ^~~
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |   cin>>a;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:17:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   17 |   cout<<d<<endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:17:12: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   17 |   cout<<d<<endl;
      |            ^~~~
      |            std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N, i, sum;
  cin >> N;
  int l[N],r[N];
  
  sum = 0

  for (i = 0; i < N; i++) {
    cin >> l[i] >> r[N];
    sum += abs(r[N] - l[i] + 1);
  }
  
  cout << sum << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:10: error: expected ';' before 'for'
    9 |   sum = 0
      |          ^
      |          ;
   10 | 
   11 |   for (i = 0; i < N; i++) {
      |   ~~~     
a.cc:11:25: error: expected ';' before ')' token
   11 |   for (i = 0; i < N; i++) {
      |                         ^
      |                         ;
Language: C++

#include <iostream>
#include <vector>
using namespace std;
int main(void){
    // Your code here!
    int n;
    cin >> n;
    int ans = 0;
    for(int i = 0;i <n;i++){
        int l,r;a
        cin >> l >> r;
        int sa = abs(r - l + 1);
        ans += sa;
    }
    
    cout << ans;
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:17: error: 'a' was not declared in this scope
   10 |         int l,r;a
      |                 ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, c, d;
  cin >> a;
  for (i = 0;i < a;i++) {
   cin >> b >> c;
    d += b - c + 1;
  }
  cout << d << 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, l, r;
  int sum = 0;
  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:11:21: error: expected ';' before '}' token
   11 |     sum += r - l + 1
      |                     ^
      |                     ;
   12 |   }
      |   ~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: 'i' was not declared in this scope
    9 |   for (i = 0; i < N; i++){
      |        ^
a.cc:11:21: error: expected ';' before '}' token
   11 |     sum += r - l + 1
      |                     ^
      |                     ;
   12 |   }
      |   ~                  
a.cc:14:18: error: 'endls' was not declared in this scope
   14 |   cout << sum << endls;
      |                  ^~~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'l' was not declared in this scope
    5 |   int N; l; r;
      |          ^
a.cc:5:13: error: 'r' was not declared in this scope
    5 |   int N; l; r;
      |             ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'l' was not declared in this scope
    5 |   int N; l; r;
      |          ^
a.cc:5:13: error: 'r' was not declared in this scope
    5 |   int N; l; r;
      |             ^
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; l; r;
  cin >> N;
  int sum = 0;
  for(i = 0; i < N; i++){
    cin >> l >> r;
    sum += l - r;
    
    }
  cout << sum;
}  
    

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'l' was not declared in this scope
    5 |   int N; l; r;
      |          ^
a.cc:5:13: error: 'r' was not declared in this scope
    5 |   int N; l; r;
      |             ^
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 i,N;
  cin >> N;
  
  for (i=0;i<N;i++){
    int l,r,a;
    cin >> l >> r;
    a += r-l+1;
      if (i==N-1){
        cout << a << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: expected ';' before 'if'
   11 |     a += r-l+1
      |               ^
      |               ;
   12 |       if (i==N-1){
      |       ~~       
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(9{
  int N;
  cin>>N;
  
  vector<int>l(N);
  
  for(int i=0;i<N;i++){
cin>>l.at(i);
  }

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


Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main(9{
      |     ^~~~
a.cc:3:11: error: expected ')' before '{' token
    3 | int main(9{
      |         ~ ^
      |           )
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: expected ';' before '}' token
   10 |     sum += r + 1 - l
      |                     ^
      |                     ;
   11 |   }
      |   ~
Language: C++

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


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


Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: expected ';' before 'cin'
    7 |   x = 0
      |        ^
      |        ;
    8 |   cin >> N;
      |   ~~~
Language: C++

#include <iostream>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: expected primary-expression before '=' token
   12 |     S +== S + r - l + 1;
      |         ^
Language: C++

#include <bits/stdc++>
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;
    while(0){
        int a;
        cin>>a;cin>>a;cin>>a;
    }
    return 0;
}

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