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

#include <iostream>
using namespace std;

int main(){
  int N,L;
  cin >> N >> L;
  vector<int> p(N);
  int goukei;
  
  for (int i=0;i<N;i++){
    p[i] = L+i-1+1;
    goukei +=p[i];
  }
  int ans = 10000000;
  for (int i=0;i<N;i++){
    int t = goukei - p[i];
    ans = min(ans,abs(goukei-t));
  }
  cout << ans << endl;
}
    
  
 
  

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'vector' was not declared in this scope
    7 |   vector<int> p(N);
      |   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include <iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:7:10: error: expected primary-expression before 'int'
    7 |   vector<int> p(N);
      |          ^~~
a.cc:11:5: error: 'p' was not declared in this scope
   11 |     p[i] = L+i-1+1;
      |     ^
a.cc:16:22: error: 'p' was not declared in this scope
   16 |     int t = goukei - p[i];
      |                      ^
Language: C++

#include <iostream>

using namespace std;

int main()
{
  int N, L;
  cin >> N >> K;
  cout << N * (N - 1) / 2 + L * (N - 1) << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: 'K' was not declared in this scope
    8 |   cin >> N >> K;
      |               ^
Language: C++

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

int main(){
  int n,l;
  cin >> n >> l;
  int ret = 0;
  for(int i = 0;i < n;i++){
    ret += l+i;
  }
  int last = l+(n-1);
  if(l < 0 && last < 0){
    ret -= last;
  }
  if(l > 0 && last > 0){
    ret -= l;
  }
  
  cout << let << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:11: error: 'let' was not declared in this scope; did you mean 'ret'?
   19 |   cout << let << endl;
      |           ^~~
      |           ret
Language: C++

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

int main() {
  int N,L;
  cin >> N >> L;
  vector<int> a(N);
  int s = 0;
  //差の絶対値はりんごの絶対値
  for(int i=0;i<N;i++){
    a[i] = L+i;
    s+ = L+i;
  }
  int ans = 1e9;
  for(int i=0;i<N;i++){
    int t = s-a[i];
    if(abs(t-s) < abs(ans-s)) ans = t;
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:8: error: expected primary-expression before '=' token
   12 |     s+ = L+i;
      |        ^
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) {
	Scanner in = new Scanner(System.in);
	int num = Integer.parseInt(in.next());
	int len = Integer.parseInt(in.next());
	in.close();
	int total = sum(num, len);
	int eat = len;
    if (len < 0) {
      eat = len * (-1) <= num ? num + len - 1 : 0;
    }
    int ans = total - eat;
    System.out.println(ans);
  }
  
  static sum(int num, int len) {
    num--;
    if (num == 0) return len;
    return len + sum(num, len + 1);
  }
}

Compiler output:
Main.java:18: error: invalid method declaration; return type required
  static sum(int num, int len) {
         ^
1 error
Language: C++

#include<iostream>
#include<sstream>
#include<vector>
#include<iterator>
#include<numeric>
using namespace std;

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

    vector<int> apple(N, L);
    for (int i = 0; i < N; i++)
        apple[i] += i;

    int sum = accumulate(apple.begin(), apple.end(), 0);
    int ans = INT_MAX / 2;
    for (int i = 0; i < N; i++) {
        int taste = sum - apple[i];
        if (abs(sum - taste) < abs(sum - ans))
            ans = taste;
    }

    cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:15: error: 'INT_MAX' was not declared in this scope
   18 |     int ans = INT_MAX / 2;
      |               ^~~~~~~
a.cc:6:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    5 | #include<numeric>
  +++ |+#include <climits>
    6 | using namespace std;
Language: C++

int main() {
  long N, L;
  cin >> N >> L;
  assert(2 <= N && N <= 200);
  assert(-100 <= L && L <= 100);

  const auto orig = (L + L + N - 1) * N / 2;
  auto min = L + 1;
  for (auto i = 0u; i < N; ++i) {
    if (L + i < abs(min))
      min = L + i;
  }
  cout << (orig - min);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> N >> L;
      |   ^~~
a.cc:4:3: error: 'assert' was not declared in this scope
    4 |   assert(2 <= N && N <= 200);
      |   ^~~~~~
a.cc:1:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
  +++ |+#include <cassert>
    1 | int main() {
a.cc:10:17: error: 'abs' was not declared in this scope
   10 |     if (L + i < abs(min))
      |                 ^~~
a.cc:13:3: error: 'cout' was not declared in this scope
   13 |   cout << (orig - min);
      |   ^~~~
Language: C++

#include <stdio.h>
#include <stdlib.h>



int abs(int n){
	if(n > 0){
		return n;
	}else{
		return -n;
	}
}

int min(int ary[],int n){
	int min = abs(ary[0]);
	int i;
	
	for(i = 0 ; i < n; i++){
		ary[i] = abs(ary[i]);
		if(min > ary[i]){
			min = ary[i];
		}
	}
	
	return min;
}

int sum(int ary[],int n){
	int sum = 0;
	
	for(int i = 0; i < n; i++){
		sum += ary[i];
	}
	
	return sum;
}

int main(void)
{
	int n,l;
	
	scanf("%d%d",&n,&l);
	
	int taste[n],i;
	
	for(i = 0; i < n; i++){
		taste[i] = n + i;
	}
	
	int sum = sum(taste,n);
	
	int a = min(taste,n);
	
	printf("%d\n",sum - a);
	
	
	return 0;
}
	
	
	
	
	
	
	
	
	
	

Compiler output:
a.cc: In function 'int main()':
a.cc:50:22: error: 'sum' cannot be used as a function
   50 |         int sum = sum(taste,n);
      |                   ~~~^~~~~~~~~
Language: C

#include<stdio.h>
int main(void){
  int N,L,i,c=-1,sum=0;
  scanf("%d%d",&N,&L);
  int tas[N];abtas[N];
  for(i=0;i<N;i++){
    tas[i]=L+i;
    sum+=tas[i];
    if(tas[i]>0)
      abtas[i]=tas[i];
    else
      abtas[i]=-tas[i];
  }
  int min=1000;
  for(i=0;i<N;i++){
    if(abtas[i]<min)
      min=abtas[i];
  }
  for(i=0;i<N;i++){
    c++;
    if(min==abtas[i])
      break;
  }
  printf("%d",sum-tas[c]);
  return 0;
}
  
  

Compiler output:
main.c: In function 'main':
main.c:5:14: error: 'abtas' undeclared (first use in this function); did you mean 'tas'?
    5 |   int tas[N];abtas[N];
      |              ^~~~~
      |              tas
main.c:5:14: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <stdio.h>
#include <stdlib.h>

int compare_int(const void *a, const void *b)
{
    return *(int*)a - *(int*)b;
}


int abs(int n){
	if(n > 0){
		return n;
	}else{
		return -n;
	}
}

int min(int ary[],int n){
	int min = ary[0];
	
	for(i = 0 ; i < n; i++){
		if(min > ary[i]){
			min = ary[i];
		}
	}
}

int sum(int ary[],int n){
	int sum = 0;
	
	for(int i = 0; i < n; i++){
		sum += ary[i];
	}
	
	return sum;
}

int main(void)
{
	int n,l;
	
	scanf("%d%d",&n,&l);
	
	int taste[n],i;
	
	for(i = 0; i < n; i++){
		taste[i] = l + i - 1;
		taste[i] = abs(taste[i]);
		
	}
	
	int a = min(taste,n);
	
	printf("%d\n",sum(taste,n) - n);
	
	return 0;
}
	
	
	
	
	
	
	
	
	
	

Compiler output:
a.cc: In function 'int min(int*, int)':
a.cc:21:13: error: 'i' was not declared in this scope
   21 |         for(i = 0 ; i < n; i++){
      |             ^
a.cc:26:1: warning: no return statement in function returning non-void [-Wreturn-type]
   26 | }
      | ^
Language: C++

#include <stdio.h>
#include <stdlib.h>

int compare_int(const void *a, const void *b)
{
    return *(int*)a - *(int*)b;
}


int abs(int n){
	if(n > 0){
		return n;
	}else{
		return -n;
	}
}

int min(int ary[],int n){
	int min = ary[0];
	
	for(i = 0 ; i < n; i++){
		if(min > ary[i]){
			min = ary[i];
		}
	}
}

int sum(int ary[],int n){
	int sum = 0;
	
	for(int i = 0; i < n; i++){
		sum += ary[i];
	}
	
	return sum;
}

int main(void)
{
	int n,l;
	
	scanf("%d%d",&n,&l);
	
	int taste[n],i;
	
	for(i = 0; i < n; i++){
		taste[i] = l + i - 1;
		taste[i] = abs(taste[i]);
		
	}
	
	int a = min(taste,n);
	
	printf("%d\n",sum(ary,n) - n);
	
	return 0;
}
	
	
	
	
	
	
	
	
	
	

Compiler output:
a.cc: In function 'int min(int*, int)':
a.cc:21:13: error: 'i' was not declared in this scope
   21 |         for(i = 0 ; i < n; i++){
      |             ^
a.cc:26:1: warning: no return statement in function returning non-void [-Wreturn-type]
   26 | }
      | ^
a.cc: In function 'int main()':
a.cc:54:27: error: 'ary' was not declared in this scope
   54 |         printf("%d\n",sum(ary,n) - n);
      |                           ^~~
Language: C++

#include <stdio.h>
#include <stdlib.h>

int compare_int(const void *a, const void *b)
{
    return *(int*)a - *(int*)b;
}


int abs(int n){
	if(n > 0){
		return n;
	}else{
		return -n;
	}
}

int min(int ary[],int n){
	int min = ary[0];
	
	for(i = 0 ; i < n; i++){
		if(min > ary[i]){
			min = ary[i];
		}
	}
}

int sum(int ary[],int n){
	int sum = 0;
	
	for(int i = 0; i < n; i++){
		sum += ary[i];
	}
	
	return sum;
}

int main(void)
{
	int n,l;
	
	scanf("%d%d",&n,&l);
	
	int taste[n],i;
	
	for(i = 0; i < n; i++){
		taste[i] = l + i - 1;
		taste[i] = abs(taste[i]);
		
	}
	
	int a = min(taste,n);
	
	printf("%d\n",sum - n);
	
	return 0;
}
	
	
	
	
	
	
	
	
	
	

Compiler output:
a.cc: In function 'int min(int*, int)':
a.cc:21:13: error: 'i' was not declared in this scope
   21 |         for(i = 0 ; i < n; i++){
      |             ^
a.cc:26:1: warning: no return statement in function returning non-void [-Wreturn-type]
   26 | }
      | ^
a.cc: In function 'int main()':
a.cc:54:27: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   54 |         printf("%d\n",sum - n);
      |                       ~~~~^~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:26: error: expected ')' before '!' token
    9 |   for (i=0;i<n;i++) if (i!-p) ans+=l+i;
      |                        ~ ^
      |                          )
Language: C++

#include <vector>
#include <string>
#include <algorithm>
#include <cmath>

using namespace std;

int main(int argc, char** argv){
	int n,l;
	cin >> n >> l;
	if(l >= 0){
		cout << (n-1)*l + n * (n-1)/2 << endl;
	}else if(n+l > 0){
		cout << n * (l-1) + n * (n+1) /2 << endl;
	}else{
		cout << (n-1) * (l-1) + n * (n-1) / 2 << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:10:9: error: 'cin' was not declared in this scope
   10 |         cin >> n >> l;
      |         ^~~
a.cc:5:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    4 | #include <cmath>
  +++ |+#include <iostream>
    5 | 
a.cc:12:17: error: 'cout' was not declared in this scope
   12 |                 cout << (n-1)*l + n * (n-1)/2 << endl;
      |                 ^~~~
a.cc:12:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:50: error: 'endl' was not declared in this scope
   12 |                 cout << (n-1)*l + n * (n-1)/2 << endl;
      |                                                  ^~~~
a.cc:5:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    4 | #include <cmath>
  +++ |+#include <ostream>
    5 | 
a.cc:14:17: error: 'cout' was not declared in this scope
   14 |                 cout << n * (l-1) + n * (n+1) /2 << endl;
      |                 ^~~~
a.cc:14:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:14:53: error: 'endl' was not declared in this scope
   14 |                 cout << n * (l-1) + n * (n+1) /2 << endl;
      |                                                     ^~~~
a.cc:14:53: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
a.cc:16:17: error: 'cout' was not declared in this scope
   16 |                 cout << (n-1) * (l-1) + n * (n-1) / 2 << endl;
      |                 ^~~~
a.cc:16:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:58: error: 'endl' was not declared in this scope
   16 |                 cout << (n-1) * (l-1) + n * (n-1) / 2 << endl;
      |                                                          ^~~~
a.cc:16:58: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C

#include<stdio.h>
int main(void){
  int N,L,sum=0,i;
  scanf("%d%d",&N,&L);
  int tas[N];trta[N];
  for(i=0;i<N;i++){
    tas[i]=L+i;
    sum+=tas[i];
  }
  int min=10000;
  for(i=0;i<N;i++){
    trta[i]=sum+tas[i];
    if(trta[i]<min){
      min=trta[i];
    }
  }
  printf("%d",min);
  return 0;
}
 
  

Compiler output:
main.c: In function 'main':
main.c:5:14: error: 'trta' undeclared (first use in this function)
    5 |   int tas[N];trta[N];
      |              ^~~~
main.c:5:14: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(void){
  int N,L,sum=0,i,tas[N],trta[N];
  scanf("%d%d",&N,&L);
  for(i=0;i<N;i++){
    tas[i]=L+i;
    sum+=tas[i];
  }
  int min=10000;
  for(i=0;i<N;i++){
    trta[i]=sum+tas[i];
    if(trta[i]<min){
      min=trta[i];
    }
  }
  printf("%d",min);
  return 0;
  {}
 
  

Compiler output:
main.c: In function 'main':
main.c:18:3: error: expected declaration or statement at end of input
   18 |   {}
      |   ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int original;
int maxx = 1000000007;
int absd(int i)
{
  int now = original - i - l;
  return abs(original - now);
}
int main()
{
  int n,l;
  cin>>n>>l;
  original = (n*(n-1))/2 + n*l;
  int low=0,h=n-1;
  int ind=maxx;
  while((h-low)>=3)
  {
    int m1 = low +(h-low)/3;
    int m2 = h -(h-low)/3;
    int f1 = absd(m1);
    int f2 = absd(m2);
    if(f1 < f2)
      h = m2;
    else
      low = m1;
  }
  int minans=maxx;
  for(int i=low;i<=h;i++)
  {
    if(minans < absd(i))
      ind = i;
  }
  int fin = original - ind - l;
  cout<<fin;
  return 0;
}

Compiler output:
a.cc: In function 'int absd(int)':
a.cc:7:28: error: 'l' was not declared in this scope
    7 |   int now = original - i - l;
      |                            ^
Language: C

#include<stdio.h>
int main(void){
  int N,L,sum=0,i,tas[N],trta[N];
  scanf("%d%d",&N,&L);
  for(i=0;i<N,i++){
    tas[i]=L+i;
    sum+=tas[i];
  }
  int min=10000;
  for(i=0;i<N;i++){
    trta[i]=sum+tas[i];
    if(trta[i]<min){
      min=trta[i];
    }
  }
  printf("%d",min);
  return 0;
  {}
 
  

Compiler output:
main.c: In function 'main':
main.c:5:18: error: expected ';' before ')' token
    5 |   for(i=0;i<N,i++){
      |                  ^
      |                  ;
main.c:18:3: error: expected declaration or statement at end of input
   18 |   {}
      |   ^
Language: C

#include<stdio.h>
int main(void){
  int N,L,sum=0,i,tas[N],trta[N]
  scanf("%d%d",&N,&L);
  for(i=0;i<N,i++){
    tas[i]=L+i;
    sum+=tas[i];
  }
  int min=10000;
  for(i=0;i<N;i++){
    trta[i]=sum+tas[i];
    if(trta[i]<min){
      min=trta[i];
    }
  }
  printf("%d",min);
  return 0;
  {}
 
  

Compiler output:
main.c: In function 'main':
main.c:4:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    4 |   scanf("%d%d",&N,&L);
      |   ^~~~~
main.c:5:18: error: expected ';' before ')' token
    5 |   for(i=0;i<N,i++){
      |                  ^
      |                  ;
main.c:11:5: error: 'trta' undeclared (first use in this function)
   11 |     trta[i]=sum+tas[i];
      |     ^~~~
main.c:11:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:18:3: error: expected declaration or statement at end of input
   18 |   {}
      |   ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int original;
int maxx = 1000000007;
int absd(int i)
{
  int now = original - i - l;
  return abs(original - now);
}
int main()
{
  int n,l;
  cin>>n>>l;
  original = (n*(n-1))/2 + n*l;
  int l=0,h=n-1;
  int ind=maxx;
  while((h-l)>=3)
  {
    int m1 = l +(h-l)/3;
    int m2 = h -(h-l)/3;
    int f1 = absd(m1);
    int f2 = absd(m2);
    if(f1 < f2)
      h = m2;
    else
      l = m1;
  }
  int minans=maxx;
  for(int i=l;i<=h;i++)
  {
    if(minans < absd(i))
      ind = i;
  }
  int fin = original - ind - l;
  cout<<fin;
  return 0;
}

Compiler output:
a.cc: In function 'int absd(int)':
a.cc:7:28: error: 'l' was not declared in this scope
    7 |   int now = original - i - l;
      |                            ^
a.cc: In function 'int main()':
a.cc:15:7: error: redeclaration of 'int l'
   15 |   int l=0,h=n-1;
      |       ^
a.cc:12:9: note: 'int l' previously declared here
   12 |   int n,l;
      |         ^
Language: C++

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

  vectir <int> a(n);
  rep(i,n) {
    a[i] = l+i;
  }
  
  int s = 0;
  rep(i,n) s+= a[i];
  int ans = 1e9;
  re(i,n) {
    int t = s-a[i];
    if (abs(t-s) < abs(ans-s)) abs = t;
  }
  
  cout << ans << emdl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'vectir' was not declared in this scope
    9 |   vectir <int> a(n);
      |   ^~~~~~
a.cc:9:11: error: expected primary-expression before 'int'
    9 |   vectir <int> a(n);
      |           ^~~
a.cc:11:5: error: 'a' was not declared in this scope
   11 |     a[i] = l+i;
      |     ^
a.cc:15:16: error: 'a' was not declared in this scope
   15 |   rep(i,n) s+= a[i];
      |                ^
a.cc:17:6: error: 'i' was not declared in this scope
   17 |   re(i,n) {
      |      ^
a.cc:17:3: error: 're' was not declared in this scope; did you mean 'rep'?
   17 |   re(i,n) {
      |   ^~
      |   rep
a.cc:22:18: error: 'emdl' was not declared in this scope
   22 |   cout << ans << emdl;
      |                  ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main() {
  ll n, l;
  cin >> n >> l;
  ll ans = l*n + (n*(n-1))/2;
  if(l >= 0)ans -= l;
  else ans -= min(l+n-1, 0LL);
  cout << ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'll' was not declared in this scope
    4 |   ll n, l;
      |   ^~
a.cc:5:10: error: 'n' was not declared in this scope; did you mean 'yn'?
    5 |   cin >> n >> l;
      |          ^
      |          yn
a.cc:5:15: error: 'l' was not declared in this scope
    5 |   cin >> n >> l;
      |               ^
a.cc:6:5: error: expected ';' before 'ans'
    6 |   ll ans = l*n + (n*(n-1))/2;
      |     ^~~~
      |     ;
a.cc:7:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   if(l >= 0)ans -= l;
      |             ^~~
      |             abs
a.cc:8:8: error: 'ans' was not declared in this scope; did you mean 'abs'?
    8 |   else ans -= min(l+n-1, 0LL);
      |        ^~~
      |        abs
a.cc:9:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |   cout << ans;
      |           ^~~
      |           abs
Language: C++

#include<iostream>
using namespace std;
int main(){
  int A,N;
  cin>>N>>A;
  int eat;
  if(R<=0)eat=R;
  else if(L>=0)eat=L;
  else eat=0;
  int answer=(R+L)*(R-L+1)/2-eat;
  cout<<answer<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:6: error: 'R' was not declared in this scope
    7 |   if(R<=0)eat=R;
      |      ^
a.cc:8:11: error: 'L' was not declared in this scope
    8 |   else if(L>=0)eat=L;
      |           ^
a.cc:10:15: error: 'R' was not declared in this scope
   10 |   int answer=(R+L)*(R-L+1)/2-eat;
      |               ^
a.cc:10:17: error: 'L' was not declared in this scope
   10 |   int answer=(R+L)*(R-L+1)/2-eat;
      |                 ^
Language: C++

#incldue <iostream>

using namespace std;

int main(){
  int n, l, sum = 0, mn = int(1e9);
  cin >> n >> l;
  for(int i=1; i<=n; ++i){
  	sum += l + i - 1;
    mn = min(mn, abs(l + i - 1));
  }
  cout << sum - mn;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #incldue; did you mean #include?
    1 | #incldue <iostream>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:7:3: error: 'cin' was not declared in this scope
    7 |   cin >> n >> l;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #incldue <iostream>
a.cc:10:18: error: 'abs' was not declared in this scope
   10 |     mn = min(mn, abs(l + i - 1));
      |                  ^~~
a.cc:10:10: error: 'min' was not declared in this scope; did you mean 'mn'?
   10 |     mn = min(mn, abs(l + i - 1));
      |          ^~~
      |          mn
a.cc:12:3: error: 'cout' was not declared in this scope
   12 |   cout << sum - mn;
      |   ^~~~
a.cc:12:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

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


#define rep(i,n) for(int i = 1; i < (int)n+1; i++)

 int main(){ 

 int n, L;
 ll sum,eat,ans;
 cin >> n >> L;

 sum=0;
 rep(i,n){
  sum+=(L+i-1);
 }




 rep(i,n){
  if ((L+i-1) == 0) eat = 0;
   else { 

    if (sum > 0) {
     eat = abs(L+1-1);
     if (abs(L+i-1) < eat) {
      eat = (abs(L+i-1));
      continue;
      }
      else continue;
     }

     else if (sum == 0) {
     if (abs(L+i-1) < eat) {
      eat = (abs(L+i-1));
      continue;
      }
      else continue;
     }



    else if (sum < 0) {
     if (abs(L+i-1) > eat) {
      eat = (L+i-1);
      continue;
      }
      else continue;
     }
    }
 }

  ans = sum - eat;
  
  cout << ans << endl;

 return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:2: error: 'll' was not declared in this scope
   10 |  ll sum,eat,ans;
      |  ^~
a.cc:13:2: error: 'sum' was not declared in this scope
   13 |  sum=0;
      |  ^~~
a.cc:22:21: error: 'eat' was not declared in this scope
   22 |   if ((L+i-1) == 0) eat = 0;
      |                     ^~~
a.cc:26:6: error: 'eat' was not declared in this scope
   26 |      eat = abs(L+1-1);
      |      ^~~
a.cc:35:23: error: 'eat' was not declared in this scope
   35 |      if (abs(L+i-1) < eat) {
      |                       ^~~
a.cc:45:23: error: 'eat' was not declared in this scope
   45 |      if (abs(L+i-1) > eat) {
      |                       ^~~
a.cc:54:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
   54 |   ans = sum - eat;
      |   ^~~
      |   abs
a.cc:54:15: error: 'eat' was not declared in this scope
   54 |   ans = sum - eat;
      |               ^~~
Language: C++

// B
#include <iostream>
using namespace std;

int main(){
  int N,L;
  cin>>N>>L;
  int R = L+N-1

  int eat;
  if(L>0) eat=L;
  else if(R<0) eat=R;
  else eat=0;

  int answer = (R+L)*N/2 - eat;
  cout<<answer<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: expected ',' or ';' before 'int'
   10 |   int eat;
      |   ^~~
a.cc:11:11: error: 'eat' was not declared in this scope
   11 |   if(L>0) eat=L;
      |           ^~~
a.cc:12:16: error: 'eat' was not declared in this scope
   12 |   else if(R<0) eat=R;
      |                ^~~
a.cc:13:8: error: 'eat' was not declared in this scope
   13 |   else eat=0;
      |        ^~~
a.cc:15:28: error: 'eat' was not declared in this scope
   15 |   int answer = (R+L)*N/2 - eat;
      |                            ^~~
Language: C++

n , k = [int(x) for x in input().split()]
g = 10000000
for x in range(n):
	g = min(g, l + x )
print(g)

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n , k = [int(x) for x in input().split()]
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n,l,s;
  cin>>n>>l;
  s=n*(2*l+n-1)/2;
  int ans;
   
  if( l >= 0 )
    ans = s-l
  else 
    if( l+n-1 < 0 )
      ans = s-(l+n-1)
    else
      and =s;
  
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:14: error: expected ';' before 'else'
   11 |     ans = s-l
      |              ^
      |              ;
   12 |   else
      |   ~~~~
Language: C++

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

//vector…可変長、データの大きさに合わせてサイズを変える
//list…双方向リスト、要素を挿入、削除の多いとき
//forward_list
//array…固定長配列
//set…集合
//multiset
//bitset…2進数、固定長ビット列
//map…連想配列、キーと値を関連付ける
//multimap
//deque…双方向リスト
//stack…FILO, 深さ優先探索
//queue…FIFO, 幅優先探索
//priority_queue…格納された最大値から順に取り出す
//pair…二つの値を一組
//tuple…複数の値を一組

template<typename T>
void remove(std::vector<T>& vector, char index) {
    vector.erase(vector.begin() + index);
}

template<class T>
T ma(std::vector<T> &v) {
    T maxi = 0;
    for(auto &i:v) maxi = max(maxi, i);
    return maxi;
}
template<class T>
T mi(std::vector<T> &v) {
    T mini = 0;
    for(auto &i:v) mini = min(mini, i);
    return mini;
}
template <class T>
T pow(T x, T y, T n = numeric_limits<T>::max()) {
    if(y == 0) return 1;
    if(y % 2 == 0) return pow((x * x) % n, y / 2);
    return (x * pow(x, y - 1)) % n;
}

#define rep(i, n, m) for (int i = n; i <= m; i++)
#define Rep(i, n, m) for (int i = m; i >= 1; i--)

typedef long long ll;
typedef unsigned long long ull;

int gcd(int x, int y) {
    if (x < y) swap(x, y);
    return !y ? x : gcd(x % y, y);
}

using Graph = vector<vector<int>>;

template <class T, class S>
class Edge {
  T to;  //辺の行き先
  S weight;  //辺の重み

public:
  Edge(T t, S w) : to(t), weight(w) {}
};

int ansi = 0;
ll ansl = 0;
ull ans = 0;
double ansd = 0.0;

int lcm(int a, int b) {
  return a * b / gcd(a, b);
}

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

    vecotor<int> A(n+1);
    rep(i, 1, n) {
        A[i] = l + i;
    }

    tmp = 1000;
    j = 0;

    rep(i, 1, n) {
        if (tmp > abs(A[i])) {
            tmp = abs(A[i]);
            j = i;
        }
    }
    cout << accumulate(A.begin(), A.end()) - abs(A[i]);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:79:5: error: 'vecotor' was not declared in this scope
   79 |     vecotor<int> A(n+1);
      |     ^~~~~~~
a.cc:79:13: error: expected primary-expression before 'int'
   79 |     vecotor<int> A(n+1);
      |             ^~~
a.cc:81:9: error: 'A' was not declared in this scope
   81 |         A[i] = l + i;
      |         ^
a.cc:84:5: error: 'tmp' was not declared in this scope; did you mean 'tm'?
   84 |     tmp = 1000;
      |     ^~~
      |     tm
a.cc:85:5: error: 'j' was not declared in this scope
   85 |     j = 0;
      |     ^
a.cc:88:23: error: 'A' was not declared in this scope
   88 |         if (tmp > abs(A[i])) {
      |                       ^
a.cc:93:24: error: 'A' was not declared in this scope
   93 |     cout << accumulate(A.begin(), A.end()) - abs(A[i]);
      |                        ^
a.cc:93:52: error: 'i' was not declared in this scope
   93 |     cout << accumulate(A.begin(), A.end()) - abs(A[i]);
      |                                                    ^
Language: C++

#include "bits/stdc++.h"

using namespace std;

void solve(void)
{
	int n, l;
	cin >> n >> l;
	int sum = 0, m = 1<<10;
	for (int i = 0; i < l; i++)
	{
		int x = i + l;
		if (abs(x) < m)
		{
			m = x;
		}
		sum += x;
	}
	cout << sum - x << endl;
}

int main()
{
	solve();
	//cout << "yui(*-v・)yui" << endl;
	return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:19:23: error: 'x' was not declared in this scope
   19 |         cout << sum - x << endl;
      |                       ^
Language: C++

    #include<bits/stdc++.h>                                                         
    using namespace std;
    int a[1000],ap[1000],am[1000];
    int main(){
        int n,l,x,cc=0;
        cin >> n >> l;
        for(int i=1;i<=n;i++){
            a[i]=a[i-1]+l+i-1;
            if(l+i-i<0){
                am[i]=abs(l+i-1);
              
            }
            else{
                ap[i]=l+i-1;
              c++;
            }
        }
    	if(n>abs(l) && l<0){
    		if(am[1]==0){
    			cout << a[n]-ap[1] << '\n';
    			return 0;
    		}
    	}
        if(n>abs(l) && l<0){
            if(am[1]<ap[1]){
                cout << a[n]+am[n-cc] << '\n';
            }
            else{
                cout << a[n]-ap[1] << '\n';
            }
        }   
        else if(n>=abs(l)){
            cout << a[n]-ap[1] << '\n';
        }   
        if(l<0 && n<abs(l)){
            cout << a[n]+am[n-cc] << '\n';
        }  
    	return 0; 
    } 

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

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

int main() {
	
    int n, l;
	cin >> n >> l;
	int max = l + n - 1;
    int min = max - (n - 1);
    int ans = 0;

    if (min > 0) {
		for (int m = max; m > min; m--) {
 			ans += m;
		}
		cout << ans << endl;
		return 0;
 	}
    else if (min <= 0 && max >= 0) {
		for (int m = max; m > min; m--) {
 			ans += m; 
		}
		cout << ans << endl;
		return 0;
	}
	else if () {
		for (int m = max; m > min; m--) {
			ans += m;
		}
		ans - max;
		cout << ans << endl;
		return 0;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:18: error: expected primary-expression before ')' token
   26 |         else if () {
      |                  ^
Language: C++

    #include<bits/stdc++.h>                                                         
    using namespace std;
    int a[1000],ap[1000],am[1000];
    int main(){
        int n,l,x,cc;
        cin >> n >> l;
        for(int i=1;i<=n;i++){
            a[i]=a[i-1]+l+i-1;
            if(l+i-i<0){
                am[i]=abs(l+i-1);
              c++;
            }
            else{
                ap[i]=l+i-1;
            }
        }
    	if(n>abs(l) && l<0){
    		if(am[1]==0){
    			cout << a[n]-ap[1] << '\n';
    			return 0;
    		}
    	}
        if(n>abs(l) && l<0){
            if(am[1]<ap[1]){
                cout << a[n]+am[n]-c << '\n';
            }
            else{
                cout << a[n]-ap[1] << '\n';
            }
        }   
        else if(n>=abs(l)){
            cout << a[n]-ap[1] << '\n';
        }   
        if(l<0 && n<abs(l)){
            cout << a[n]+am[n]-c << '\n';
        }  
    	return 0; 
    } 

Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: 'c' was not declared in this scope
   11 |               c++;
      |               ^
a.cc:25:36: error: 'c' was not declared in this scope; did you mean 'cc'?
   25 |                 cout << a[n]+am[n]-c << '\n';
      |                                    ^
      |                                    cc
a.cc:35:32: error: 'c' was not declared in this scope; did you mean 'cc'?
   35 |             cout << a[n]+am[n]-c << '\n';
      |                                ^
      |                                cc
Language: C

#include<stdio.h>

int main(){
  int n,l,taste[200];
  
  scanf("%d%d",&n,&l);
   for(int i=0;i<n;i++){
     taste[i] = l+i-1;
     if(taste[i]<0) taste[i]=taste[i]*(-1);
   }
 
  min=0;
  for(int k=0;k<n;k++){

       if (taste[k]<min){
                min = taste[k]; 
                 }

         }

  printf("%d",min);

return 0;
}


Compiler output:
main.c: In function 'main':
main.c:12:3: error: 'min' undeclared (first use in this function); did you mean 'main'?
   12 |   min=0;
      |   ^~~
      |   main
main.c:12:3: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>

int main(){
  int n,l,taste[200];
  
  scanf("%d%d",&n,&l);
   for(int i=0;i<n;i++){
     taste[i] = l+i-1;
     if(taste[i]<0) taste[i]=taste[i]*(-1);
   }
 
  min=0;
  for(int k=0;k<n;k++){

       if (taste[k]<min){
                min = taste[i]; 
                 }

         }

  printf("%d",min);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:3: error: 'min' undeclared (first use in this function); did you mean 'main'?
   12 |   min=0;
      |   ^~~
      |   main
main.c:12:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:16:29: error: 'i' undeclared (first use in this function)
   16 |                 min = taste[i];
      |                             ^
Language: C

N,L=map(int, input().split())
 
sum = 0
lower = 100
for i in range(1, N+1):
    sum = sum + L + i -1
for i in range(1, N+1):
    s = abs(L + i -1)
    if s < lower:
        lower = s
        ij = i
 
print(sum - (L + ij -1))

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | N,L=map(int, input().split())
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'N' [-Wimplicit-int]
main.c:1:3: error: type defaults to 'int' in declaration of 'L' [-Wimplicit-int]
    1 | N,L=map(int, input().split())
      |   ^
main.c:1:5: error: implicit declaration of function 'map' [-Wimplicit-function-declaration]
    1 | N,L=map(int, input().split())
      |     ^~~
main.c:1:9: error: expected expression before 'int'
    1 | N,L=map(int, input().split())
      |         ^~~
main.c:3:1: error: expected ',' or ';' before 'sum'
    3 | sum = 0
      | ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a=0,b,i,N,L;
  	scanf("%d %d",&N,&L);
  	int b=L+1-1;
  	for(i=L;i<L+N;i++)
    {
		a+=i;
    }
  	for(i=L;i<L+N;i++)
    {
		if(a-b<=a-i)
        {
			b=i;
        }
    }
  	printf("%d",a-b);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: redeclaration of 'int b'
    7 |         int b=L+1-1;
      |             ^
a.cc:5:17: note: 'int b' previously declared here
    5 |         int a=0,b,i,N,L;
      |                 ^
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: expected primary-expression before '|' token
    8 |     if (|s|<|L-i+1|){
      |         ^
a.cc:8:12: error: expected primary-expression before '<' token
    8 |     if (|s|<|L-i+1|){
      |            ^
a.cc:8:13: error: expected primary-expression before '|' token
    8 |     if (|s|<|L-i+1|){
      |             ^
a.cc:8:20: error: expected primary-expression before ')' token
    8 |     if (|s|<|L-i+1|){
      |                    ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:13:19: error: expected ';' before 'if'
   13 |     sum += c.at(i)
      |                   ^
      |                   ;
   14 |     if(a+b<1)
      |     ~~
Language: C

#include<stdio.h>

int Solve(int n, int l) {
	int mintas=abs(l);
	int minnum=0;
	int taste, ans = 0;

	for (int i = 1;i <= n;i++) {
		taste=abs(l+i-1);
		if (taste <= mintas) {
			mintas = taste;
			minnum = i;
		}
	}
	for (int i = 1;i <= n;i++) {
		if (i != minnum) {
			ans += l + i - 1;
		}
	}

	return ans;
}
int main() {
	int n, l;
	scanf_s("%d%d", &n, &l);
	printf("%d", Solve(n,l));
	return 0;
}

Compiler output:
main.c: In function 'Solve':
main.c:4:20: error: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
    4 |         int mintas=abs(l);
      |                    ^~~
main.c:2:1: note: include '<stdlib.h>' or provide a declaration of 'abs'
    1 | #include<stdio.h>
  +++ |+#include <stdlib.h>
    2 | 
main.c: In function 'main':
main.c:25:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
   25 |         scanf_s("%d%d", &n, &l);
      |         ^~~~~~~
      |         scanf
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:6: error: lvalue required as left operand of assignment
   10 |     b+i = c.at(i);
      |     ~^~
Language: Java

import java.util.Scanner;
import java.lang.Math;
 
public class Main{
	public static void main(String[]args){
    Scanner sc=new Scanner(System.in);
      int N=sc.nextInt();
      int L=sc.nextInt();
      int total=0;
      int[] arr = new int[N];
      for (int i=0;i<N;i++){
      	arr[i]=L+i-1;
      }
      int min = Math.abs(arr[0];)
      for (int n = 0; n < N; n++) {
    	int v = Math.abs(arr[n]);
   		if (v < min) {
      		  min = v;
  		 }
      }
      for (int l=0; l<N; l++){
        total+=arr[l];
      }
      System.out.println(total-min);
    
    }
}

Compiler output:
Main.java:14: error: ')' or ',' expected
      int min = Math.abs(arr[0];)
                               ^
Main.java:14: error: illegal start of expression
      int min = Math.abs(arr[0];)
                                ^
2 errors
Language: Java

import java.util.Scanner;
import java.lang.Math;
 
public class Main{
	public static void main(String[]args){
    Scanner sc=new Scanner(System.in);
      int N=sc.nextInt();
      int L=sc.nextInt();
      int total=0;
      int[] arr = new int[N];
      for (int i=0;i<N;i++){
      	arr[i]=L+i-1;
      }
      int min = Math.abs(arr[0];)
      for (int n = 0; n < N; n++) {
    	int v = Math.abs(arr[n];)
   		if (v < min) {
      		  min = v;
  		 }
      }
      for (int l=0; l<N; l++){
        total+=arr[l];
      }
      System.out.println(total-min);
    
    }
}

Compiler output:
Main.java:14: error: ')' or ',' expected
      int min = Math.abs(arr[0];)
                               ^
Main.java:14: error: illegal start of expression
      int min = Math.abs(arr[0];)
                                ^
Main.java:16: error: ')' or ',' expected
    	int v = Math.abs(arr[n];)
    	                       ^
Main.java:16: error: illegal start of expression
    	int v = Math.abs(arr[n];)
    	                        ^
4 errors
Language: C

#include <stdio.h>
#include <math.h>
 
int main(void){
  int n,l;
  int sum, i;
  scanf("%d %d",n,l);
  
  sum = n*n + n*(n-1)/2;
  
  if(l>=0){
    printf("%d\n",sum-l);
  }
  else if(l<0 && n+l>=0){
    printf("%d\n",sum);
  }
  else{
    printf("%d\n",sum-(n+l));
  }
  return 0;
}
#include <stdio.h>
#include <math.h>

int main(void){
  int n,l;
  int sum, i;
  scanf("%d %d",&n,&l);
  
  sum = n*n + n*(n-1)/2;
  
  if(l>=0){
    printf("%d\n",sum-l);
  }
  else if(l<0 && n+l>=0){
    printf("%d\n",sum);
  }
  else{
    printf("%d\n",sum-(n+l));
  }
  return 0;
}

Compiler output:
main.c:25:5: error: redefinition of 'main'
   25 | int main(void){
      |     ^~~~
main.c:4:5: note: previous definition of 'main' with type 'int(void)'
    4 | int main(void){
      |     ^~~~
Language: C++

#include <iostream>
#include <vector>
#include <cstdlib>


int main(void) {
  int N, L;
  cin >> N >> L;
  int apple[N];
  int i, yotei = 0;
  for(i = 0; i < N; i++) {
    apple[i] = L + i - 1;
    yotei += apple[i];
  }

  int eat = apple[0];
  for (i = 1; i < N; i++) {
    if (abs(0 - apple[i]) < abs(0 - eat)) {
      eat = apple[i];
    }
  }

  int real = yotei - eat;

  cout << real << endl;
 
  return 0;
}


Compiler output:
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 >> L;
      |   ^~~
      |   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:25:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   25 |   cout << real << 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:25:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   25 |   cout << real << 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 a,b,i;
  int sum = 0
    cin >> a >> b;
  vector<int> c(a);
  for(i = 0;i < a;i++){
    c.at(i) = b+i;
    sum += c.at(i);
    }
    if(a+b<1)
    cout << sum-(a+b-1);
  if(a+b >= 0&&b<=1)
    cout << sum;
  else
    cout << sum - b + 1;
  }
  

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: expected ',' or ';' before 'cin'
    7 |     cin >> a >> b;
      |     ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int a,b;
  cin>>a>>b;
  sum=(2*b+a-1)/2*a;
  if(a+b>0 && b<=0) cout<<sum<<endl;
  else if(b<0) cout<<sum-(b+a-1)<<endl;
  else cout<<sum-b<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'sum' was not declared in this scope
    6 |   sum=(2*b+a-1)/2*a;
      |   ^~~
Language: C

#include <stdio.h>
#include <math.h>
 
int main(void){
  int n,l;
  int sum, i;
  scanf("%d %d",n,l);
  
  sum = n*n + n*(n-1)/2;
  
  if(l>=0){
    printf("%d\n",sum-l);
  }
  else if(l<0 && n+l>=0){
    printf("%d\n",sum);
  }
  else{
    printf("%d\n",sum-(n+l));
  }
  return 0;
}
#include <stdio.h>
#include <math.h>

int main(void){
  int n,l;
  int sum, i;
  scanf("%d %d",&n,&l);
  
  sum = n*n + n*(n-1)/2;
  
  if(l>=0){
    printf("%d\n",sum-l);
  }
  else if(l<0 && n+l>=0){
    printf("%d\n",sum);
  }
  else{
    printf("%d\n",sum-(n+l));
  }
  return 0;
}
提出情報

Compiler output:
main.c:25:5: error: redefinition of 'main'
   25 | int main(void){
      |     ^~~~
main.c:4:5: note: previous definition of 'main' with type 'int(void)'
    4 | int main(void){
      |     ^~~~
main.c:43:1: error: expected '=', ',', ';', 'asm' or '__attribute__' at end of input
   43 | 提出情報
      | ^~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N, L;
  cin >> N >> L;
  int sum;
  int taste;
  int difference = 50000;
  for ( int i = 0; i < N; i++) {
    sum += L + i;
  }
  taste = sum;
  for ( int j = 0; j < N; j++) {
   taste -= L + i;
    if ( sum - taste <= difference ) difference = sum - taste
   
   taste = sum;
  }
  cout << sum - difference << endl;
}
  
    

Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: error: 'i' was not declared in this scope
   15 |    taste -= L + i;
      |                 ^
a.cc:16:62: error: expected ';' before 'taste'
   16 |     if ( sum - taste <= difference ) difference = sum - taste
      |                                                              ^
      |                                                              ;
   17 | 
   18 |    taste = sum;
      |    ~~~~~
Language: C++

#include<iostream>
using namespace std;

int main(){
    int N,L,b,c=0;
    cin>>N>>L;
    int a[N];
    for(int i=0;i<N;i++){
        a[i]=L+i-1;
    }
    b=a[j];
    for(int j=0;j<N-1;j++){
        if(abs(b)<abs(a[j+1]))
        b=a[j];
    }
    for(int l=0;l<N;l++){
        c+=a[l];
    }
    cout<<c-b<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'j' was not declared in this scope
   11 |     b=a[j];
      |         ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int a,b;
  cin>>a>>b;
  sum=(2b+a-1)/2*a;
  if(a+b>0 && b<=0) cout<<sum<<endl;
  else if(b<0) cout<<sum-(b+a-1)<<endl;
  else cout<<sum-b<<endl;
  return 0;
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'sum' was not declared in this scope
    6 |   sum=(2b+a-1)/2*a;
      |   ^~~
a.cc:6:8: error: unable to find numeric literal operator 'operator""b'
    6 |   sum=(2b+a-1)/2*a;
      |        ^~
Language: Java

import java.util.Scanner;

public class Main{
	public static void main(String[]args){
    Scanner sc=new Scanner(System.in);
      int N=sc.nextInt();
      int L=sc.nextInt();
      int[] arr = new int[N];
      for (int i=0;i<N;i++){
      	arr[i]=L+i-1;
      }
      int min = arr[0];
      for (int n = 0; n < N; n++) {
    	int v = arr[n];
   		if (v < min) {
      		  min = v;
  		 }
      }
      for (int l=0; l<N; l++){
      	int total=0;
        total+=arr[l];
      }
      System.out.println(total-min);
    
    }
}

Compiler output:
Main.java:23: error: cannot find symbol
      System.out.println(total-min);
                         ^
  symbol:   variable total
  location: class Main
1 error
Language: Java

import java.util.Scanner;

public class Main{
	public static void main(String[]args){
    Scanner sc=new Scanner(System.in);
      int N=sc.nextInt();
      int L=sc.nextInt();
      int[] arr = new int[N];
      for (int i=0;i<N;i++){
      	arr[i]=L+i-1;
      }
      for (int n = 0; n < N; n++) {
    	int v = arr[n];
   		if (v < min) {
      		  min = v;
  		 }
      }
      for (int l=0; l<N; l++){
      	int total=0;
        total+=arr[l];
      }
      System.out.println(total-min);
    
    }
}

Compiler output:
Main.java:14: error: cannot find symbol
   		if (v < min) {
   		        ^
  symbol:   variable min
  location: class Main
Main.java:15: error: cannot find symbol
      		  min = v;
      		  ^
  symbol:   variable min
  location: class Main
Main.java:22: error: cannot find symbol
      System.out.println(total-min);
                         ^
  symbol:   variable total
  location: class Main
Main.java:22: error: cannot find symbol
      System.out.println(total-min);
                               ^
  symbol:   variable min
  location: class Main
4 errors
Language: Java

import java.util.Scanner;

public class Main{
	public static void main(String[]args){
    Scanner sc=new Scanner(System.in);
      int N=sc.nextInt();
      int L=sc.nextInt();
      int[] arr = new int[N];
      for (int i=0;i<N;n++){
      	int[i]=L+i-1;
      }
      for (int n = 0; n < N; n++) {
    	int v = arr[n];
   		if (v < min) {
      		  min = v;
  		 }
      }
      for (int l=0; l<N; l++){
      	int total=0;
        total+=arr[l];
      }
      System.out.println(total-min);
    
    }
}

Compiler output:
Main.java:10: error: ']' expected
      	int[i]=L+i-1;
      	    ^
Main.java:10: error: ';' expected
      	int[i]=L+i-1;
      	     ^
Main.java:10: error: not a statement
      	int[i]=L+i-1;
      	          ^
3 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a,b,i;
  int sum = 0
  vector<int> c(a);
  for(i = 0;i < a;i++){
    c.at(i) = b+i;
    sum += c.at(i);
    }
    if(a+b<1)
    cout << sum-(a+b-1);
  if(a+b >= 0&&b<=1)
    cout << sum;
  else
    cout << sum - b + 1;
  }
  

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected ',' or ';' before 'vector'
    7 |   vector<int> c(a);
      |   ^~~~~~
a.cc:9:5: error: 'c' was not declared in this scope
    9 |     c.at(i) = b+i;
      |     ^
Language: C

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <string>
#include <sstream>
#include <complex>
#include <vector>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <map>
#include <set>

using namespace std;

#define REP(i,n) for(int i=0;i<n;i++)
#define all(x) (x).begin(),(x).end()
#define pb(a) push_back(a)
#define EPS (1e-7)
#define INF (1e9)
#define PI (acos(-1))

typedef long long unsigned int ll;
typedef pair<ll, ll> P;

int main(){
  int n,l;
  cin >> n >> l;
  int aji[n];
  int sum = 0;
  REP(i,n){
    aji[i] = l+i;
    sum += aji[i];
  }
  int res;
  if(l>=0){
    res = sum-aji[0];
  }else if(n>-l){
    res = sum;
  }else{
    res = sum-aji[n-1];
  }

  cout << res << endl;
  return 0;

}


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