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

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

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

    for (int i=0; i<N; i++) {
        int v=0;
        int l, r;
        cin >> l >> r;

        v+=r-l+1;
    }
    
        cout << v << endl;
}

    


Compiler output:
a.cc: In function 'int main()':
a.cc:16:17: error: 'v' was not declared in this scope
   16 |         cout << v << endl;
      |                 ^
Language: C++

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

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

    for (int i=0; i<N; i++) {
        int Lithops=0;
        int l, r;
        cin >> l >> r;

        Lithops+=r-l+1;
    }
    
        cout << Lithops << endl;
}

    


Compiler output:
a.cc: In function 'int main()':
a.cc:16:17: error: 'Lithops' was not declared in this scope
   16 |         cout << Lithops << endl;
      |                 ^~~~~~~
Language: C++

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

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

    for (int i=0; i=N; i++) {
        int Lithops=0;
        int l, r;
        cin >> l >> r;

        Lithops+=l-r+1;
    
        cout << Lithops << endl;
    }
}

    

Compiler output:
a.cc:2:14: error: expected '{' before ';' token
    2 | namespace std;
      |              ^
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |     cin >> N;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 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:15:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |         cout << Lithops << 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:15:28: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   15 |         cout << Lithops << endl;
      |                            ^~~~
      |                            std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/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;
  cin >> N;
  int s = 0;
  for (int i = 0; i < N; i++){
  	int l, r, t;
    cin >> l >> r;
    t = (l - r) + 1
    s += t;
  }
  cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: expected ';' before 's'
   11 |     t = (l - r) + 1
      |                    ^
      |                    ;
   12 |     s += t;
      |     ~
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 s = 0;
    s += (l - r + 1);
  }
  cout << s << endl;
}

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

#include <bits/stdc++.h>
using namespace std;
 
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;
  }
  #include <bits/stdc++.h>
using namespace std;
 
int main() {
  int 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:17:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   17 | int main() {
      |         ^~
a.cc:17:9: note: remove parentheses to default-initialize a variable
   17 | int main() {
      |         ^~
      |         --
a.cc:17:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:17:12: error: a function-definition is not allowed here before '{' token
   17 | int main() {
      |            ^
a.cc:27:2: error: expected '}' at end of input
   27 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include<bits/stdc++.h>
#include<cstdlib>
#include<cmath>
using namespace std;
int main(){
  int N; cin>>N;
  int P=0;
  vector<vector<int>> S(N,vector<int>(2));
  for(int i=0; i<N; i++){
    for(int i=0;i<2; i++){
      cin>>S.at(i).at(j);
    }
    P+=(S.at(i).at(1)-S.at(i).at(0)+1);
  }
  cout<<P<<endl;
}
      


Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: 'j' was not declared in this scope
   11 |       cin>>S.at(i).at(j);
      |                       ^
Language: C++

#include<bits/stdc++.h>
#include<cstdlib>
#include<cmath>
using namespace std;
int main(){
  int N; cin>>N;
  int P=0;
  vector<vector<int>> S(N,vector<int>(2))
  for(int i=0; i<N; i++){
    for(int i=0;i<2; i++){
      cin>>S.at(i).at(j);
    }
    P+=(S.at(i).at(1)-S.at(i).at(0)+1);
  }
  cout<<P<<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:9:16: 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 a , b ,c ,d ,e;
  cin >> N;
    
   for (int i=0;i < N;i++){
     cin >> a ,b;
     c = b - a
     d =+c
    
     }
   cout << d << endl;
}

Compiler output:
a.cc:6:1: error: extended character 　 is not valid in an identifier
    6 | 　int a , b ,c ,d ,e;
      | ^
a.cc: In function 'int main()':
a.cc:6:1: error: '\U00003000int' was not declared in this scope
    6 | 　int a , b ,c ,d ,e;
      | ^~~~~
a.cc:10:13: error: 'a' was not declared in this scope
   10 |      cin >> a ,b;
      |             ^
a.cc:10:16: error: 'b' was not declared in this scope
   10 |      cin >> a ,b;
      |                ^
a.cc:11:6: error: 'c' was not declared in this scope
   11 |      c = b - a
      |      ^
a.cc:15:12: error: 'd' was not declared in this scope
   15 |    cout << d << endl;
      |            ^
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: expected initializer before 'cin'
   11 |     cin >> l >> r;
      |     ^~~
a.cc:12:7: error: 'r' was not declared in this scope
   12 |     t=r-l+1;
      |       ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N ;
  cin >> N;
  
  int ans = 0;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: expected ',' or ';' before 'ans'
   14 |     ans += n;
      |     ^~~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: expected ',' or ';' before 'ans'
   14 |     ans += n;
      |     ^~~
Language: C++

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

#define rep(i,n) for (int i = 0; i < (int)(n);i++)

int main() {
    int start,end;
    int N;
    int buf,num=0;

    cin >> N;
    for(int i=0;i<N;i++){
        cin >> start >> end;
        buf = end - start + 1;
        num += buf;
    }
    cout << num << endl;
}2

Compiler output:
a.cc:18:2: error: expected unqualified-id before numeric constant
   18 | }2
      |  ^
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 << 100000-sum <<endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N;
  cin >> N;
  
  int sum=0;
  for(int i=0;i<N;i++){
    int l,r;
    cin >>l >>r;
    sum+=(r-l+1)
  
  cout << 100000-sum <<endl;
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:17: error: expected ';' before 'cout'
   12 |     sum+=(r-l+1)
      |                 ^
      |                 ;
   13 | 
   14 |   cout << 100000-sum <<endl;
      |   ~~~~           
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin >> n;
    vector<P> seat(n);
    rep(i, n)
    {
        int a, b;
        cin >> a >> b;
        seat.at(i) = make_pair(a, b);
    }
    int ans = 1;
    rep(i, n) {
        if(seat.at(i).first != seat.at(i).second) ans += abs(seat.at(i).first - seat.at(i).second);
        else ans++;
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:12: error: 'P' was not declared in this scope
    8 |     vector<P> seat(n);
      |            ^
a.cc:8:13: error: template argument 1 is invalid
    8 |     vector<P> seat(n);
      |             ^
a.cc:8:13: error: template argument 2 is invalid
a.cc:9:9: error: 'i' was not declared in this scope
    9 |     rep(i, n)
      |         ^
a.cc:9:5: 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;
  cin >> n;

  for (int i = 0; i < n; i++) {
    string s;
    getline(cin, s);
    char* str = strtok(s, " ");
    int start = atoi(*str);
    int end;
    while (str != NULL) {
      str = strtok(NULL, " ");
      if (str != NULL) {
        end = atoi(*str);
    }
    cout << end - start + 1 << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:24: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'char*'
   11 |     char* str = strtok(s, " ");
      |                        ^
      |                        |
      |                        std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:1:
/usr/include/string.h:356:39: note:   initializing argument 1 of 'char* strtok(char*, const char*)'
  356 | extern char *strtok (char *__restrict __s, const char *__restrict __delim)
      |                      ~~~~~~~~~~~~~~~~~^~~
a.cc:12:22: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
   12 |     int start = atoi(*str);
      |                      ^~~~
      |                      |
      |                      char
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42:
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
a.cc:17:20: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
   17 |         end = atoi(*str);
      |                    ^~~~
      |                    |
      |                    char
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
a.cc:21:2: error: expected '}' at end of input
   21 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
  int n;
  cin >> n;

  for (int i = 0; i < n; i++) {
    string s;
    getline(cin, s);
    char* str = strtok(s, " ");
    int start = atoi(*str);
    int end;
    while (str != NULL) {
      str = strtok(NULL, " ");
      if (str != NULL) {
        end = atoi(*str);
      *
    }
    cout << end - start + 1 << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:24: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'char*'
   11 |     char* str = strtok(s, " ");
      |                        ^
      |                        |
      |                        std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:1:
/usr/include/string.h:356:39: note:   initializing argument 1 of 'char* strtok(char*, const char*)'
  356 | extern char *strtok (char *__restrict __s, const char *__restrict __delim)
      |                      ~~~~~~~~~~~~~~~~~^~~
a.cc:12:22: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
   12 |     int start = atoi(*str);
      |                      ^~~~
      |                      |
      |                      char
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42:
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
a.cc:17:20: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
   17 |         end = atoi(*str);
      |                    ^~~~
      |                    |
      |                    char
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
a.cc:19:5: error: expected primary-expression before '}' token
   19 |     }
      |     ^
a.cc:22:2: error: expected '}' at end of input
   22 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
  int n;
  cin >> n;

  for (int i = 0; i < n; i++) {
    string s;
    getline(cin, s);
    cout << atoi(s[s.length - 1]) - atoi(s[0]) + 1 << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:22: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   11 |     cout << atoi(s[s.length - 1]) - atoi(s[0]) + 1 << endl;
      |                    ~~^~~~~~
      |                            ()
a.cc:11:41: error: invalid conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const char*' [-fpermissive]
   11 |     cout << atoi(s[s.length - 1]) - atoi(s[0]) + 1 << endl;
      |                                     ~~~~^~~~~~
      |                                         |
      |                                         __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type {aka char}
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
                 from a.cc:1:
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:12:19: error: expected ';' before '}' token
   12 |     S += r - l + 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 l, r;
    cin >> l >> r;
    int S = 0;
    S += r - l + 1
  }
  cout << S << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:19: error: expected ';' before '}' token
   12 |     S += r - l + 1
      |                   ^
      |                   ;
   13 |   }
      |   ~                
a.cc:14:11: error: 'S' was not declared in this scope
   14 |   cout << S << endl;
      |           ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  int i,l,r;
  int sum;
  for(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:13:23: error: expected '}' at end of input
   13 |   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;
  cin >> N;
  int ans=0;
  
  for (int i=0;i<N;i++){
    int R,L;
    cin >> R>>L;
    ans +=L-R+1
  }
  
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:16: error: expected ';' before '}' token
   12 |     ans +=L-R+1
      |                ^
      |                ;
   13 |   }
      |   ~
Language: C++

            #include <bits/stdc++.h>
            using namespace std;
             
            int main() {
              int N, l, r, i, sum;
              
              cin >> N;
              for(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:10:33: error: expected ';' before '}' token
   10 |                 sum += r - l + 1
      |                                 ^
      |                                 ;
   11 |               }
      |               ~
Language: C++

#include <iostream>

using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   ans = 0;
      |   ^~~
      |   abs
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 ans = 0;
        ans += r - l + 1;
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   14 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

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

int main() {
  int a,sum;
  cin >> a;
  for(int 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:7:22: 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(0);
  cin >> N; 
  int l[N], r[N];
  
  int np(0)
  for(int i = 0; i < N; i++)
  {
   	cin >> l[i] >> r[i];
    np += (r[i] - l[i] + 1);
  }
  cout << np << endl;
}
 

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: expected ',' or ';' before 'for'
   10 |   for(int i = 0; i < N; i++)
      |   ^~~
a.cc:10:18: error: 'i' was not declared in this scope
   10 |   for(int i = 0; i < N; i++)
      |                  ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:15: error: 'n' was not declared in this scope
    7 |   int l[N], r[n];
      |               ^
a.cc:10:3: error: expected ',' or ';' before 'for'
   10 |   for(int i = 0; i < N; i++)
      |   ^~~
a.cc:10:18: error: 'i' was not declared in this scope
   10 |   for(int i = 0; i < N; i++)
      |                  ^
Language: C++

#include <iostream>
using namespace std;

int main() {
  int group, sum, stanum, endnum;
  cin >> group;
  for(int i =0; i < group; i++){
    cin >> stanum >> endnum;
    sum += endsum - endnum +1;
  }
  cout << sum << endl;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:12: error: 'endsum' was not declared in this scope; did you mean 'endnum'?
    9 |     sum += endsum - endnum +1;
      |            ^~~~~~
      |            endnum
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+=r-l+1;
  }
  cout<<n;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'n' was not declared in this scope
   13 |   cout<<n;
      |         ^
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,n;
    cin>>l>>r;
    n=r-l+1;
    sum+=n;
  }
  cout<<n;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'n' was not declared in this scope
   15 |   cout<<n;
      |         ^
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: expected ';' before '}' token
    9 |     M += R - L + 1
      |                   ^
      |                   ;
   10 |   }
      |   ~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'mx' was not declared in this scope; did you mean 'nx'?
   13 |     mx=max(mx,r[i]-l[i]);
      |     ^~
      |     nx
a.cc:15:9: error: 'mx' was not declared in this scope; did you mean 'nx'?
   15 |   cout<<mx<<endl;
      |         ^~
      |         nx
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 sum = 0;
    sum += (r - l + 1);
  }
  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;
  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:7:11: error: expected initializer before '==' token
    7 |   int sum == 0;
      |           ^~
a.cc:12:5: error: 'sum' was not declared in this scope
   12 |     sum += (r - l + 1);
      |     ^~~
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,l,r,x;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:14: error: expected ';' before 'x'
    9 |       x=(r-l)
      |              ^
      |              ;
   10 |       x+=(r-l+1);
      |       ~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:19: 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
    for(int i=0;i<N;i++){
      int x=0;
    cin>>l>>r;
      x+=(r-l+1);
    }
  cout<<x<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: expected initializer before 'for'
    6 |     for(int i=0;i<N;i++){
      |     ^~~
a.cc:6:17: error: 'i' was not declared in this scope
    6 |     for(int i=0;i<N;i++){
      |                 ^
a.cc:11:9: error: 'x' was not declared in this scope
   11 |   cout<<x<<endl;
      |         ^
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: expected initializer before 'for'
    6 |     for(int i=0;i<n;i++){
      |     ^~~
a.cc:6:17: error: 'i' was not declared in this scope
    6 |     for(int i=0;i<n;i++){
      |                 ^
a.cc:6:19: error: 'n' was not declared in this scope
    6 |     for(int i=0;i<n;i++){
      |                   ^
a.cc:11:9: error: 'x' was not declared in this scope
   11 |   cout<<x<<endl;
      |         ^
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: expected initializer before 'for'
    6 |     for(int i=0;i<n;i++){
      |     ^~~
a.cc:6:17: error: 'i' was not declared in this scope
    6 |     for(int i=0;i<n;i++){
      |                 ^
a.cc:6:19: error: 'n' was not declared in this scope
    6 |     for(int i=0;i<n;i++){
      |                   ^
a.cc:11:9: error: 'x' was not declared in this scope
   11 |   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 x,y;
    cin >> x >> y;
    sum += y + x - 1;
  }
    cout << sum << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'sum' was not declared in this scope
   10 |     sum += y + x - 1;
      |     ^~~
a.cc:12:13: error: 'sum' was not declared in this scope
   12 |     cout << sum << endl;
      |             ^~~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'sum' was not declared in this scope
   10 |     sum += x + y - 1;
      |     ^~~
a.cc:12:13: error: 'sum' was not declared in this scope
   12 |     cout << sum << endl;
      |             ^~~
Language: C++

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

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




Compiler output:
a.cc: In function 'int main()':
a.cc:12:19: error: expected ';' before '}' token
   12 |         x += l-r+1
      |                   ^
      |                   ;
   13 |     }
      |     ~
Language: C++

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

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

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

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

  cout << a << endl;
}

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

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

using namespace std;
using ll = long long;
using P = pair<int, int>;

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

  cout << a << endl;
}

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

#include <iostream>
#define rep(i,n) for {int i = 0; i < (n); ++i}

using namespace std;
using ll = long long;
using P = pair<int, int>;

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

  cout << a << endl;
  }
    

	return 0;
}

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

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

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

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

  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: expected ';' before '}' token
   13 |     a += b
      |           ^
      |           ;
   14 |   }
      |   ~
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 l, r;
  cin >> l, r;
    b = r - l + 1;
    a += b
  }
  
  cout << a;

  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: 'b' was not declared in this scope
   12 |     b = r - l + 1;
      |     ^
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++){
  cin >> l, r;
    a += r - l + 1;
  }
  
  cout << a;

  
}

Compiler output:
a.cc: In function 'int main()':
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++.h>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:12: error: 'l' was not declared in this scope
   10 |     cin >> l >> r;
      |            ^
a.cc:10:17: error: 'r' was not declared in this scope
   10 |     cin >> l >> r;
      |                 ^
Language: C++

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

int main() {
  int N,i=0,j=0,count=0;
  cin >> N;
  vector<vector<int>> sort(N,vector<int>(2));
  for(i<N;i++;){
    for(j<2;j++;){
      cin >> sort.at(i).(j);
    }
  }
  i =0;
  for(i<N;i++;){
    count += (sort.at(i).(1)-sort.at(i).(2)+1);
  }
  cout << count << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:25: error: expected unqualified-id before '(' token
   10 |       cin >> sort.at(i).(j);
      |                         ^
a.cc:15:26: error: expected unqualified-id before '(' token
   15 |     count += (sort.at(i).(1)-sort.at(i).(2)+1);
      |                          ^
a.cc:15:41: error: expected unqualified-id before '(' token
   15 |     count += (sort.at(i).(1)-sort.at(i).(2)+1);
      |                                         ^
Language: C++

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

int main() {
  int N,i=0,j=0,count=0;
  cin >> N;
  vector<vector<int>> sort(N,vector<int>(2));
  for(i<N;i++;){
    for(j<2;j++;){
      cin >> sort.at(i).(j);
    }
  }
  i =0;
  for(i<N;i++){
    count += (sort.at(i).(1)-sort.at(i).(2)+1);
  }
  cout << count << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:25: error: expected unqualified-id before '(' token
   10 |       cin >> sort.at(i).(j);
      |                         ^
a.cc:14:14: error: expected ';' before ')' token
   14 |   for(i<N;i++){
      |              ^
      |              ;
a.cc:15:26: error: expected unqualified-id before '(' token
   15 |     count += (sort.at(i).(1)-sort.at(i).(2)+1);
      |                          ^
a.cc:15:41: error: expected unqualified-id before '(' token
   15 |     count += (sort.at(i).(1)-sort.at(i).(2)+1);
      |                                         ^
Language: C++

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

int main() {
  int N,i=0,j=0,count=0;
  cin >> N;
  vector<vector<int>> sort(N,vector<int>(2));
  for(i<N;i++){
    for(j<2;j++){
      cin >> sort.at(i).(j);
    }
  }
  i =0;
  for(i<N;i++){
    count += (sort.at(i).(1)-sort.at(i).(2)+1);
  }
  cout << count << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: expected ';' before ')' token
    8 |   for(i<N;i++){
      |              ^
      |              ;
a.cc:9:16: error: expected ';' before ')' token
    9 |     for(j<2;j++){
      |                ^
      |                ;
a.cc:10:25: error: expected unqualified-id before '(' token
   10 |       cin >> sort.at(i).(j);
      |                         ^
a.cc:14:14: error: expected ';' before ')' token
   14 |   for(i<N;i++){
      |              ^
      |              ;
a.cc:15:26: error: expected unqualified-id before '(' token
   15 |     count += (sort.at(i).(1)-sort.at(i).(2)+1);
      |                          ^
a.cc:15:41: error: expected unqualified-id before '(' token
   15 |     count += (sort.at(i).(1)-sort.at(i).(2)+1);
      |                                         ^
Language: C++

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

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


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++){
      |                   ^
a.cc:13:2: error: expected '}' at end of input
   13 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: Java

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

Compiler output:
Main.java:6: error: cannot find symbol
    Scanner sc = new Scanner(System.in);
    ^
  symbol:   class Scanner
  location: class Main
Main.java:6: error: cannot find symbol
    Scanner sc = new Scanner(System.in);
                     ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:6: error: expected ';' before 'N'
    7 |   cin N;
      |      ^~
      |      ;
a.cc:16:11: error: 'sum' 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;
  int z=0;
  for(int i=0;i<N;i++){
    int l,r;
    cin>>l,r;
    z+=r-l+1
  }
  cout<<z<<endl;
   

}


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

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

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

}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:13: error: expected ';' before '}' token
   11 |     z+=r-l+1
      |             ^
      |             ;
   12 |   }
      |   ~
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 sum=0
    sum+=r-l+1
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: expected ',' or ';' before 'sum'
   11 |     sum+=r-l+1
      |     ^~~
Language: C++

#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>

#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>
#include <regex>
#define REP(i,n) for(int i = 0; i < n; i++)
#define FOR(i,j,n) for(int i = j; i < n; i++)
#define RFOR(i,j,n) for(int i = j-1; i >= n; i--)
#define PREC(n) fixed << setprecision(n)
#define print_array(v) REP(__k, v.size()) { cout << v[__k]; if(__k != v.size()-1) cout << " "; else cout << endl; }
#define YesorNo(a) printf(a?"Yes\n":"No\n")
#define _LIBCPP_DEBUG 0
using namespace std;
int64_t MOD = 1000000007;

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  int n, res = 0;
  cin >> n;
  REP(i,n) {
    int a, b;
    cin >> a >> b;
    res += b-a;
  }
  cout << res + n << endl;r
  return 0;
}
//templete by private_yusuke

Compiler output:
a.cc: In function 'int main()':
a.cc:70:27: error: 'r' was not declared in this scope
   70 |   cout << res + n << endl;r
      |                           ^
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 << 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;
  cin >> N;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: no match for call to '(std::vector<int>) (int&)'
   13 |   cin >> l(i) >> r(i) >> endl;
      |          ~^~~
a.cc:13:19: error: no match for call to '(std::vector<int>) (int&)'
   13 |   cin >> l(i) >> r(i) >> endl;
      |                  ~^~~
a.cc:14:12: error: no match for call to '(std::vector<int>) (int&)'
   14 |     sum+=(r(i)-l(i)+1);
      |           ~^~~
a.cc:14:17: error: no match for call to '(std::vector<int>) (int&)'
   14 |     sum+=(r(i)-l(i)+1);
      |                ~^~~
Language: C++

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

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: no match for call to '(std::vector<int>) (int&)'
   13 |   cin >> l(i) >> r(i) >> endl;
      |          ~^~~
a.cc:13:19: error: no match for call to '(std::vector<int>) (int&)'
   13 |   cin >> l(i) >> r(i) >> endl;
      |                  ~^~~
a.cc:14:12: error: no match for call to '(std::vector<int>) (int&)'
   14 |     sum+=(r(i)-l(i))+1;
      |           ~^~~
a.cc:14:17: error: no match for call to '(std::vector<int>) (int&)'
   14 |     sum+=(r(i)-l(i))+1;
      |                ~^~~
Language: C++

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

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: no match for call to '(std::vector<int>) (int&)'
   13 |   cin >> l(i) >> r(i) >> endl;
      |          ~^~~
a.cc:13:19: error: no match for call to '(std::vector<int>) (int&)'
   13 |   cin >> l(i) >> r(i) >> endl;
      |                  ~^~~
a.cc:14:11: error: no match for call to '(std::vector<int>) (int&)'
   14 |     sum=+r(i)-l(i);
      |          ~^~~
a.cc:14:16: error: no match for call to '(std::vector<int>) (int&)'
   14 |     sum=+r(i)-l(i);
      |               ~^~~
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 sum=0;
    sum+=(r-l);
  }
  
  cout<<sum<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: 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;
  cin >> N;
  int x;
  for(int i = 0; i<N, i++){
  int a, b;
  cin>>a>>b;
  x=x+(b-a)+1}
  
  cout<<x<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:26: error: expected ';' before ')' token
    8 |   for(int i = 0; i<N, i++){
      |                          ^
      |                          ;
a.cc:11:14: error: expected ';' before '}' token
   11 |   x=x+(b-a)+1}
      |              ^
      |              ;
Language: C++

#include <bits/stdc++.h>
usig 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 << endl;
}
    
    


Compiler output:
a.cc:2:1: error: 'usig' does not name a type
    2 | usig namespace std;
      | ^~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> N;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 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 << sum << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:16:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   16 |   cout << sum << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/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>
usig 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 << endl;
}
    
    

Compiler output:
a.cc:2:1: error: 'usig' does not name a type
    2 | usig namespace std;
      | ^~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> N;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 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: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++) {
      |                   ^
a.cc:16:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   16 |   cout << sum << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:16:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   16 |   cout << sum << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
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 count = 0;
            for(int i = 0; i < N; i++){
              int j = sc.nextInt();
              int k = sc.nextInt();
              int l = k - j + 1;
              count += l
            }
            System.out.println(count);
          }
}

Compiler output:
Main.java:12: error: ';' expected
              count += l
                        ^
1 error
Language: C++

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

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



Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: expected unqualified-id before '>>' token
    9 |     int >> l >> r;
      |         ^~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: expected unqualified-id before '>>' token
    9 |     int >> l >> r;
      |         ^~
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: expected unqualified-id before '>>' token
    9 |     int >> l >> r;
      |         ^~
Language: C++

# 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:1:11: fatal error:  cstdio : No such file or directory
    1 | # include < cstdio >
      |           ^~~~~~~~~~
compilation terminated.