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

#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<algorithm>
#include<cmath>
#include<queue>
#include<vector>
#include<ctime>
#include<map>
#include<bitset>
#include<set>
#define LL long long
#define mp(x,y) make_pair(x,y)
#define pll pair<long long,long long>
#define pii pair<int,int>
using namespace std;
inline int read()
{
	int f=1,x=0;char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}
int stack[20];
template<typename T>inline void write(T x)
{
	if(x<0){putchar('-');x=-x;}
    if(!x){putchar('0');return;}
    int top=0;
    while(x)stack[++top]=x%10,x/=10;
    while(top)putchar(stack[top--]+'0');
}
template<typename T>inline void pr1(T x){write(x);putchar(' ');}
template<typename T>inline void pr2(T x){write(x);putchar('\n');}
const int MAXN=1000005;
const int mod=998244353;
int mu[MAXN],pr[MAXN],plen,is[MAXN],S[MAXN];
void ad(int &x,int y){x+=y;if(x>=mod)x-=mod;}
vector<int> vec[MAXN];
void getmu()
{
	mu[1]=1;
	for(int i=2;i<MAXN;i++)
	{
		if(!is[i])mu[i]=mod-1,pr[++plen]=i;
		for(int j=1;i*pr[j]<MAXN&&j<=plen;j++)
		{
			is[i*pr[j]]=1;
			if(!(i%pr[j])){mu[i*pr[j]]=0;break;}
			mu[i*pr[j]]=mod-mu[i];
		}
	}
	for(int i=1;i<MAXN;i++)for(int j=1;i*j<MAXN;j++)
		ad(S[i*j],1LL*i*mu[j]%mod*j%mod*j%mod),vec[i*j].push_back(i);
}
int n,a1[MAXN],a2[MAXN];
int main()
{
	getmu();
	n=read();for(int i=1;i<=n;i++)c
	{
		int x=read();
		for(int j=0;j<vec[x].size();j++)
		{
			int u=vec[x][j];
			ad(a1[u],1LL*a2[u]*(x/u)%mod);ad(a2[u],x/u);
		}
	}int ans=0;
	for(int i=1;i<MAXN;i++)ad(ans,1LL*S[i]*a1[i]%mod);
	pr2(ans);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:60:39: error: 'c' was not declared in this scope
   60 |         n=read();for(int i=1;i<=n;i++)c
      |                                       ^
Language: C++

#include<bits/stdc++.h>

using namespace std;

using ll = long long;

const int N = (int)2e5 + 5, A = (int)1e6 + 5, mod = 998244353;
int n, cnt[A], sum[A], ans, inv[A];
vector<int> divisor[A];

void sieve() {
    for (int i = 1; i < A; ++i) {
        for (int j = i; j < A; j += i) {
            divisor[j].push_back(i);
            sum[i] = add(sum[i], mul(cnt[j], j) );
        }
    }
}

int add(int _a, int _b) {
    _a += _b;
    if (_a >= mod) _a -= mod;
    return _a;
}
int sub(int _a, int _b) { return add(_a, mod - _b); }
int mul(int _a, int _b) { return (int)( (ll)_a * _b % mod); }

int binPow(int _a, int _m) {
    int ret = 1;
    for (; _m; _m >>= 1, _a = mul(_a, _a) ) if (_m & 1) ret = mul(ret, _a);
    return ret;
}

int main() {
    scanf("%d", &n);
    for (int i = 0; i < n; ++i) {
        int a; scanf("%d", &a);
        ++cnt[a];
    }
    
    sieve();
    
    for (int i = 1; i < A; ++i) inv[i] = binPow(i, mod - 2);
    
    for (int i = 1; i < A; ++i) if (cnt[i]) {
        for (int j = (int)divisor[i].size() - 1, cur = mul(cnt[i], i); j >= 0; --j) {
            ans = add(ans, mul(mul(i, inv[ divisor[i][j] ]), sub(sum[ divisor[i][j] ], cur) ) );
            cur = add(cur, sub(sum[ divisor[i][j] ], cur) );
        }
    }
    
    ans = mul(ans, binPow(2, mod - 2) );
    
    for (int i = 1; i < A; ++i) ans = sum(ans, mul(i, (int)( (ll)cnt[i] * (cnt[i] - 1) / 2 % mod) ) );
    
    printf("%d", ans);
    
    return 0;
}

Compiler output:
a.cc: In function 'void sieve()':
a.cc:15:34: error: 'mul' was not declared in this scope; did you mean 'fmul'?
   15 |             sum[i] = add(sum[i], mul(cnt[j], j) );
      |                                  ^~~
      |                                  fmul
a.cc:15:22: error: 'add' was not declared in this scope; did you mean 'std::filesystem::perm_options::add'?
   15 |             sum[i] = add(sum[i], mul(cnt[j], j) );
      |                      ^~~
      |                      std::filesystem::perm_options::add
In file included from /usr/include/c++/14/filesystem:51,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200,
                 from a.cc:1:
/usr/include/c++/14/bits/fs_fwd.h:219:7: note: 'std::filesystem::perm_options::add' declared here
  219 |       add       = 0x2,
      |       ^~~
a.cc: In function 'int main()':
a.cc:54:42: error: 'sum' cannot be used as a function
   54 |     for (int i = 1; i < A; ++i) ans = sum(ans, mul(i, (int)( (ll)cnt[i] * (cnt[i] - 1) / 2 % mod) ) );
      |                                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: Java

MOD = 998244353
inv2 = inv(2i64)
n = read_line.to_i
a = read_line.split.map(&.to_i)
divisor = Array.new(a.max + 1) { Array(Int32).new(initial_capacity: 20) }
2.upto(divisor.size - 1) do |i|
  i.step(to: divisor.size - 1, by: i) do |j|
    divisor[j] << i
  end
end
sum = Array.new(divisor.size, 0i64)
sum2 = Array.new(divisor.size, 0i64)
sub = Array.new(divisor.size, 0i64)
a.each do |v|
  divisor[v].each do |i|
    sum[i] += v
    sum2[i] += v.to_i64 * v
  end
  sum[1] += v
  sum2[1] += v.to_i64 * v
end
ans = 0i64
(divisor.size - 1).downto(1) do |i|
  next if sum[i] == 0i64
  sum[i] %= MOD
  sum2[i] %= MOD
  cur = sum[i] * sum[i] - sum2[i]
  cur += MOD if cur < 0
  cur %= MOD
  cur *= inv2
  cur %= MOD
  cur *= inv(i.to_i64)
  cur += MOD - sub[i]
  cur %= MOD
  next if cur == 0i64
  ans += cur
  divisor[i].each do |d|
    next if d == i
    sub[d] += cur * i / d
    sub[d] %= MOD
  end
  sub[1] += cur * i
  sub[1] %= MOD
end
puts ans % MOD

def inv(v)
  pow(v, MOD - 2)
end

def pow(v, p)
  return 1 if p == 0
  return v if p == 1
  ret = pow(v, p / 2)
  ret *= ret
  ret %= MOD
  if p % 2 == 1
    ret *= v
    ret %= MOD
  end
  ret
end


Compiler output:
Main.java:1: error: class, interface, enum, or record expected
MOD = 998244353
^
1 error
Language: C++

#include<iostream>
#include<bits/stdc++.h>
#include<cmath>
#include<algorithm>
#include<vector>
#define FOR(i,n) for(ll i=0;i<n;i++)
using namespace std;
typedef long long ll;

LCM(ll a,ll b)
{
    ll m=max(a,b);
    do
    {
        if (m%a == 0 && m%b == 0)
        {
            break;
        }
        else
            ++m;
    } while (true);
    return m;
}
int main()
{
    int n;
    cin>>n;
    vector<int>v;
    while(n--)
    {
        ll a;
        cin>>a;
        v.push_back(a);
    }
    ll s=0;
    FOR(i,v.size()){
        //int j=i+1;
        for(ll j=i+1;j<v.size();j++){
            ll p,q;
            p=v[i];
            q=v[j];
            s+=LCM(p,q);
        }
    }
    cout<<s;
    std::cin.get();
}


Compiler output:
a.cc:10:1: error: ISO C++ forbids declaration of 'LCM' with no type [-fpermissive]
   10 | LCM(ll a,ll b)
      | ^~~
Language: C++

#include<iostream>
#include<bits/stdc++.h>
#include<cmath>
#include<algorithm>
#include<vector>
#define FOR(i,n) for(ll i=0;i<n;i++)
using namespace std;
typedef long long ll;

LCM(ll a,ll b)
{
    ll m=max(a,b);
    do
    {
        if (m%a == 0 && m%b == 0)
        {
            break;
        }
        else
            ++m;
    } while (true);
    return m;
}
int main()
{
    int n;
    cin>>n;
    vector<ll>v;
    while(n--)
    {
        ll a;
        cin>>a;
        v.push_back(a);
    }
    ll s=0;
    FOR(i,v.size()){
        //int j=i+1;
        for(ll j=i+1;j<v.size();j++){
            ll p,q;
            p=v[i];
            q=v[j];
            s+=LCM(p,q);
        }
    }
    cout<<s;
    std::cin.get();
}


Compiler output:
a.cc:10:1: error: ISO C++ forbids declaration of 'LCM' with no type [-fpermissive]
   10 | LCM(ll a,ll b)
      | ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define REP(i,n)    for(int i = 0; i < (int)n; i++)
typedef long long ll;
Int lcm(ll a, ll b) {
  return a * b / gcd(a, b);
}
int main(){
    ll n;
    cin >> n;
    ll a[n];
    ll ans = 0;
    REP(i,n)
        cin >> a[i];
    REP(i,n-1)
        for(int j = i+1; j < n; j++)
            ans+=lcm(a[i], a[j]);
    cout << ans%998244353 << endl;
    return 0;
}

Compiler output:
a.cc:5:1: error: 'Int' does not name a type; did you mean 'int'?
    5 | Int lcm(ll a, ll b) {
      | ^~~
      | int
Language: C++

#include <iostream>
#include <vector>
#include <set>
#include <string>
#include <utility>
#include <functional>
#include <queue>
#include <cmath>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>      // std::setprecision
#include <boost/optional.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/range/numeric.hpp>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/multiset_of.hpp>
#include <boost/multi_array.hpp>
#include <boost/math/common_factor_ct.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/pending/disjoint_sets.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/strong_components.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <boost/graph/kruskal_min_spanning_tree.hpp>
#include <boost/graph/graph_utility.hpp>
#include <boost/numeric/ublas/vector.hpp>

#define REP(i, N) for(int i=0; i<(N); i++)
#define REC(f, ...) const auto f = [&](const auto f, __VA_ARGS__)
using namespace std;
using namespace boost::math;
using namespace boost::numeric;
namespace bst = boost;
template<class T> void fill(T& v) { for (auto& i : v) cin >> i; }
int gcd(int a,int b){
  return (b == 0 ? a : gcd(b, a%b));
}
int main() {
  int N;

  cin >> N;
  vector<int> A(N);
  fill(A);
  int mgcd = gcd(A[0],A[1]), mmul = A[0]*A[1], sum = A[0]*A[1];
  
  for (auto i : bst::irange(3, (int)A.size()) {
    mgcd = gcd(mgcd, A[i]);
    mmul = mmul + sum * A[i];
    sum = sum + A[i];
  }

  cout << mmul / mgcd << endl;

  return 0;
}


Compiler output:
a.cc:13:10: fatal error: boost/optional.hpp: No such file or directory
   13 | #include <boost/optional.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

int ggd(int number1,int number2){
	int m = number1;
	int n = number2;

	if(number2 > number1){
		m = number2;
		n = number1;
	}

	while(m != n){
		int temp = n;
		n = m - n;
		m = temp;
	}

	return m;
}

int lcm(int number1,int number2){
	return number1 * number2 / ggd(number1,number2);	
}


Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

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

//最大公約数
ll gcd(ll a, ll b) {
  while (a && b) {
    if (a >= b) a %= b;
    else b %= a;
  }
  return a + b;
}
//最小公倍数
ll lcm(ll a, ll b) { return (a / gcd(a, b)) * b;}

int main(){
  int N; cin >> N;
  vector<int> A(N+1);
  int memo[2e9];
  ll ans=0;
  rep(i,N){
    cin >> A[i];
  }
  
  sort(A.begin(), A.end());
  A[N]=0;
  int temp;
  int temp2;
  
  for(int i=0; i<N-1; i++){
    if(A[i] == A[i+1]){
        ans += temp2;
        continue;
      }
    temp2 =0;
    for(int j=i+1; j<N; j++){
      if(A[j]%A[i]==0){
        ans += A[j];
        continue;
      }
      if(A[j] == A[j+1]){
        ans += temp;
        continue;
      }
      temp = lcm(A[i], A[j]);
      temp2 += temp;
      ans += temp; 
    }
  }
  
  cout << ans%998244353 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:12: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
   20 |   int memo[2e9];
      |            ^~~
a.cc:20:12: error: could not convert '2.0e+9' from 'double' to 'long unsigned int'
   20 |   int memo[2e9];
      |            ^~~
      |            |
      |            double
a.cc:20:12: error: size of array 'memo' has non-integral type 'double'
Language: C++

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

//最大公約数
ll gcd(ll a, ll b) {
  while (a && b) {
    if (a >= b) a %= b;
    else b %= a;
  }
  return a + b;
}
//最小公倍数
ll lcm(ll a, ll b) { return (a / gcd(a, b)) * b;}

int main(){
  int N; cin >> N;
  vector<int> A(N+1);
  memo[2e9];
  ll ans=0;
  rep(i,N){
    cin >> A[i];
  }
  
  sort(A.begin(), A.end());
  A[N]=0;
  int temp;
  int temp2;
  
  for(int i=0; i<N-1; i++){
    if(A[i] == A[i+1]){
        ans += temp2;
        continue;
      }
    temp2 =0;
    for(int j=i+1; j<N; j++){
      if(A[j]%A[i]==0){
        ans += A[j];
        continue;
      }
      if(A[j] == A[j+1]){
        ans += temp;
        continue;
      }
      temp = lcm(A[i], A[j]);
      temp2 += temp;
      ans += temp 
    }
  }
  
  cout << ans%998244353 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:3: error: 'memo' was not declared in this scope
   20 |   memo[2e9];
      |   ^~~~
a.cc:48:18: error: expected ';' before '}' token
   48 |       ans += temp
      |                  ^
      |                  ;
   49 |     }
      |     ~
Language: C

#include <stdio.h>
#define N 200000
int A[N];
 
unsigned long long int gcd(int x, int y){
  while(x != 0){
    int z = x;
    x = y%x;
    y = z;
  }
  return y;
} 
 
unsigned long long int lcm(int x, int y){
  int z = gcd(x, y);
  int a = x*y/z;
  return a;
}
 
unsigned long long int main(){
  int n,i,j,z;
  unsigned long long int sum, r;
  sum = 0;
  for(i=0; i<=n-2; i++){
    for(j=i+1; j<=n-1; j++){
      z = lcm(A[i], A[j]);
      sum = sum + z;
    }
  }
  r = sum % 998244353;
  printf("%llu\n", r);
  return 0;
}
#include <stdio.h>
#define N 200000
int A[N];

unsigned long long int gcd(int x, int y){
  while(x != 0){
    int z = x;
    x = y%x;
    y = z;
  }
  return y;
} 

unsigned long long int lcm(int x, int y){
  int z = gcd(x, y);
  int a = x*y/z;
  return a;
}

unsigned long long int main(){
  int n,i,j,z;
  unsigned long long int sum, r;
  sum = 0;
  for(i=0; i<=n-2; i++){
    for(j=i+1; j<=n-1; j++){
      z = lcm(A[i], A[j]);
      sum = sum + z;
    }
  }
  r = sum % 998244353;
  printf("%llu\n", r);
  return 0;
}
提出情報
提出日時

Compiler output:
main.c:38:24: error: redefinition of 'gcd'
   38 | unsigned long long int gcd(int x, int y){
      |                        ^~~
main.c:5:24: note: previous definition of 'gcd' with type 'long long unsigned int(int,  int)'
    5 | unsigned long long int gcd(int x, int y){
      |                        ^~~
main.c:47:24: error: redefinition of 'lcm'
   47 | unsigned long long int lcm(int x, int y){
      |                        ^~~
main.c:14:24: note: previous definition of 'lcm' with type 'long long unsigned int(int,  int)'
   14 | unsigned long long int lcm(int x, int y){
      |                        ^~~
main.c:53:24: error: redefinition of 'main'
   53 | unsigned long long int main(){
      |                        ^~~~
main.c:20:24: note: previous definition of 'main' with type 'long long unsigned int()'
   20 | unsigned long long int main(){
      |                        ^~~~
main.c:67:1: error: unknown type name '\U000063d0\U000051fa\U000060c5\U00005831'
   67 | 提出情報
      | ^~~~~~~~
main.c:68:1: error: expected '=', ',', ';', 'asm' or '__attribute__' at end of input
   68 | 提出日時
      | ^~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define For(i,n,k) for(ll i=(n);i<(k);i++)
ll gcd(ll a,ll b){
    return b?gcd(b,a%b):a;
}
ll lcm(ll a,ll b){
    return (a*b)/gcd(a,b);
}
int main(){
    const ll mod=998244353;
    ll n,ans=0;cin>>n;
    vector<ll> p(n),LCM(n),GCD(n);
    cin>>p.at(0);
    LCM.at(0)=p.at(0);
    GCD.at(0)=p.at(0);
    For(i,1,n){
        cin>>p.at(i);
        GCD.at(i)=gcd(GCD.at(i-1),p.at(i));
        LCM.at(i)=(LCM.at(i-1)*p.at(i))/GCD.at(i);
    }
    sort(p.begin(),p.end());
    For(i,1,n){
            For(j,0,i){
                ll k=lcm(p.at(i),p.at(j));
                ans+=k;
                ans%=mod;
            }
        }
        ans%=mod;
    }
    cout<<ans%mod<<endl;
}

Compiler output:
a.cc:33:5: error: 'cout' does not name a type
   33 |     cout<<ans%mod<<endl;
      |     ^~~~
a.cc:34:1: error: expected declaration before '}' token
   34 | }
      | ^
Language: Java

import java.util.Scanner;

public class acorder381 {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();

		int[] numList = new int[n];

		while(in.hasNext()){
			for(int i = 1; i< n;i++) {
			numList[i] = in.nextInt();
			}
		}

        int count = numList.length;
        int num = 0;
        int sum = 0;

        for (int i = 0; i < count - 1; i++) {
            for (int j = i + 1; j < count; j++) {
                num++;
                sum += lcm(numList[i],numList[j]);
            }
        }
        System.out.println(sum);
    }

	private static long lcm(int m, int n) {
	    return m * n / gcd(m, n);
	}

	private static long gcd(long m, long n) {
	    if(m < n) return gcd(n, m);
	    if(n == 0) return m;
	    return gcd(n, m % n);
	}

}


Compiler output:
Main.java:3: error: class acorder381 is public, should be declared in a file named acorder381.java
public class acorder381 {
       ^
1 error
Language: Java

public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int n = in.nextInt();
        BigInteger []nums = new BigInteger[n];
        for (int i = 0 ; i < n ; i++){
            nums[i] = in.nextBigInteger();
        }
        BigInteger sum = BigInteger.ZERO;
        for (int i = 0 ; i < n - 1; i++){
            for (int j = i + 1; j < n; j++){
                sum = sum.add(lcm(nums[i], nums[j]));
            }
            sum = sum.mod(BigInteger.valueOf(998244353));
        }
        System.out.println(sum.toString());
    }


    public static BigInteger gcd(BigInteger a, BigInteger b)
    {
        if (a.equals(BigInteger.ZERO))
            return b;
        return gcd(b.mod(a), a);
    }

    public static BigInteger lcm(BigInteger a, BigInteger b)
    {
        return (a.multiply(b)).divide(gcd(a, b));
    }

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
public static void main(String[] args) {
              ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: Java

import java.math.BigInteger;
import java.util.Scanner;

public class LCM {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int n = in.nextInt();
        BigInteger []nums = new BigInteger[n];
        for (int i = 0 ; i < n ; i++){
            nums[i] = in.nextBigInteger();
        }
        BigInteger sum = BigInteger.ZERO;
        for (int i = 0 ; i < n - 1; i++){
            for (int j = i + 1; j < n; j++){
                sum = sum.add(lcm(nums[i], nums[j]));
            }
            sum = sum.mod(BigInteger.valueOf(998244353));
        }
        System.out.println(sum.toString());
    }


    public static BigInteger gcd(BigInteger a, BigInteger b)
    {
        if (a.equals(BigInteger.ZERO))
            return b;
        return gcd(b.mod(a), a);
    }

    public static BigInteger lcm(BigInteger a, BigInteger b)
    {
        return (a.multiply(b)).divide(gcd(a, b));
    }
}


Compiler output:
Main.java:4: error: class LCM is public, should be declared in a file named LCM.java
public class LCM {
       ^
1 error
Language: Java

import java.math.BigInteger;
import java.util.Scanner;

public class LCM {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int n = in.nextInt();
        int []nums = new int[n];
        for (int i = 0 ; i < n ; i++){
            nums[i] = in.nextInt();
        }
        BigInteger sum = BigInteger.ZERO;
        for (int i = 0 ; i < n - 1; i++){
            for (int j = i + 1; j < n; j++){
                sum = sum.add(BigInteger.valueOf(lcm(nums[i], nums[j]))).mod(BigInteger.valueOf(998244353));
            }
        }
        System.out.println(sum.toString());
    }


    public static int gcd(int a, int b)
    {
        if (a == 0)
            return b;
        return gcd(b % a, a);
    }

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


Compiler output:
Main.java:4: error: class LCM is public, should be declared in a file named LCM.java
public class LCM {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main(){
  int N;
  cin >> N;
  vector<int> vec(N);
  for(int i = 0; i < N; i++) cin >> vec.at(i);
  
  int sum = 0;
  int lcm = 0;
  
  for (int i = 0; i <= N-2; i++){
    for (int j = i+1; j <= N-1; j++){
      //A(i)とA(j)の最小公倍数
     int a = A.at(i);
     int b = A.at(j);
     if(a < b){
       int tmp = a;
       a = b;
       b = tmp;}
     int r = a % b;
     while(r != 0){
       a = b;
       b = r;
       r = a % b;
     }
      lcm = (A.at(i) * A.at(j)) /b;
      sum += lcm;
    }
  }
  
  cout << sum % 998244353 << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: 'A' was not declared in this scope
   16 |      int a = A.at(i);
      |              ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main(){
  int N;
  cin >> N;
  vector<int> A(N);
  for(int i = 0; i < N; i++) cin >> A.at(i);
  
  int sum = 0;
  int lcm = 0;
  
  for (int i = 0; i <= N-2; i++){
    for (int j = i+1; j <= N-1; j++){
      //A(i)とA(j)の最小公倍数
     int a = A.at(i);
     int b = A.at(j);
     if(a < b){
       tmp = a;
       a = b;
       b = tmp;}
     int r = a % b;
     while(r != 0){
       a = b;
       b = r;
       r = a % b;
     }
      lcm = (A.at(i) * A.at(j)) /b;
      sum += lcm;
    }
  }
  
  cout << sum % 998244353 << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:8: error: 'tmp' was not declared in this scope; did you mean 'tm'?
   19 |        tmp = a;
      |        ^~~
      |        tm
Language: C++

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

int main(){
  int N;
  cin >> N;
  vector<int> vec(N);
  for(int i = 0; i < N; i++) cin >> vec.at(i);
  
  int sum = 0;
  int lcm = 0;
  
  for (int i = 0; i <= N-2; i++){
    for (int j = i+1; j <= N-1; j++){
      //A(i)とA(j)の最小公倍数
     int a = A.at(i);
     int b = A.at(j);
     if(a < b){
       tmp = a;
       a = b;
       b = tmp;}
     int r = a % b;
     while(r != 0){
       a = b;
       b = r;
       r = a % b;
     }
      lcm = (A.at(i) * A.at(j)) /b;
      sum += lcm;
    }
  }
  
  cout << sum % 998244353 << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: 'A' was not declared in this scope
   16 |      int a = A.at(i);
      |              ^
a.cc:19:8: error: 'tmp' was not declared in this scope; did you mean 'tm'?
   19 |        tmp = a;
      |        ^~~
      |        tm
Language: C++

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

int gcd(int a, int b) {
    if (b === 0)
        return a;

    return gcd(b, a % b);
}

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

int main(){
  int N;
  vector<int> A(N);
  int ans;
  rep(i,N){
    cin >> A[i];
  }
  
  for(int i=0; i<N-1; i++){
    for(int j=i+1; j<N; j++){
      ans += lcm(A[i], A[j]);
    }
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int gcd(int, int)':
a.cc:7:13: error: expected primary-expression before '=' token
    7 |     if (b === 0)
      |             ^
Language: C++

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

int gcd(int a, int b) {
    if ($b === 0)
        return $a;

    return gcd($b, $a % $b);
}

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

int main(){
  int N;
  vector<int> A(N);
  int ans;
  rep(i,N){
    cin >> A[i];
  }
  
  for(int i=0; i<N-1; i++){
    for(int j=i+1; j<N; j++){
      ans += lcm(A[i], A[j]);
    }
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int gcd(int, int)':
a.cc:7:9: error: '$b' was not declared in this scope; did you mean 'b'?
    7 |     if ($b === 0)
      |         ^~
      |         b
a.cc:7:14: error: expected primary-expression before '=' token
    7 |     if ($b === 0)
      |              ^
a.cc:8:16: error: '$a' was not declared in this scope; did you mean 'a'?
    8 |         return $a;
      |                ^~
      |                a
a.cc:10:16: error: '$b' was not declared in this scope; did you mean 'b'?
   10 |     return gcd($b, $a % $b);
      |                ^~
      |                b
a.cc:10:20: error: '$a' was not declared in this scope; did you mean 'a'?
   10 |     return gcd($b, $a % $b);
      |                    ^~
      |                    a
a.cc: In function 'int lcm(int, int)':
a.cc:14:12: error: '$a' was not declared in this scope; did you mean 'a'?
   14 |     return $a * $b / gcd($a, $b);
      |            ^~
      |            a
a.cc:14:17: error: '$b' was not declared in this scope; did you mean 'b'?
   14 |     return $a * $b / gcd($a, $b);
      |                 ^~
      |                 b
Language: C++

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

int gcd($a, $b) {
    if ($b === 0)
        return $a;

    return gcd($b, $a % $b);
}

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

int main(){
  int N;
  vector<int> A(N);
  int ans;
  rep(i,N){
    cin >> A[i];
  }
  
  for(int i=0; i<N-1; i++){
    for(int j=i+1; j<N; j++){
      ans += lcm(A[i], A[j]);
    }
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc:6:9: error: '$a' was not declared in this scope
    6 | int gcd($a, $b) {
      |         ^~
a.cc:6:13: error: '$b' was not declared in this scope
    6 | int gcd($a, $b) {
      |             ^~
a.cc:6:15: error: expression list treated as compound expression in initializer [-fpermissive]
    6 | int gcd($a, $b) {
      |               ^
a.cc:13:9: error: '$a' was not declared in this scope
   13 | int lcm($a, $b) {
      |         ^~
a.cc:13:13: error: '$b' was not declared in this scope
   13 | int lcm($a, $b) {
      |             ^~
a.cc:13:15: error: expression list treated as compound expression in initializer [-fpermissive]
   13 | int lcm($a, $b) {
      |               ^
a.cc: In function 'int main()':
a.cc:27:14: error: reference to 'lcm' is ambiguous
   27 |       ans += lcm(A[i], A[j]);
      |              ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:58,
                 from a.cc:1:
/usr/include/c++/14/numeric:188:5: note: candidates are: 'template<class _Mn, class _Nn> constexpr std::common_type_t<_Mn, _Nn> std::lcm(_Mn, _Nn)'
  188 |     lcm(_Mn __m, _Nn __n) noexcept
      |     ^~~
a.cc:13:5: note:                 'int lcm'
   13 | int lcm($a, $b) {
      |     ^~~
Language: C++

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

function gcd($a, $b) {
    if ($b === 0)
        return $a;

    return gcd($b, $a % $b);
}

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

int main(){
  int N;
  vector<int> A(N);
  int ans;
  rep(i,N){
    cin >> A[i];
  }
  
  for(int i=0; i<N-1; i++){
    for(int j=i+1; j<N; j++){
      ans += lcm(A[i], A[j]);
    }
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc:6:14: error: '$a' was not declared in this scope
    6 | function gcd($a, $b) {
      |              ^~
a.cc:6:18: error: '$b' was not declared in this scope
    6 | function gcd($a, $b) {
      |                  ^~
a.cc:6:22: error: expected ',' or ';' before '{' token
    6 | function gcd($a, $b) {
      |                      ^
a.cc:13:14: error: '$a' was not declared in this scope
   13 | function lcm($a, $b) {
      |              ^~
a.cc:13:18: error: '$b' was not declared in this scope
   13 | function lcm($a, $b) {
      |                  ^~
a.cc:13:22: error: expected ',' or ';' before '{' token
   13 | function lcm($a, $b) {
      |                      ^
a.cc: In function 'int main()':
a.cc:27:14: error: reference to 'lcm' is ambiguous
   27 |       ans += lcm(A[i], A[j]);
      |              ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:58,
                 from a.cc:1:
/usr/include/c++/14/numeric:188:5: note: candidates are: 'template<class _Mn, class _Nn> constexpr std::common_type_t<_Mn, _Nn> std::lcm(_Mn, _Nn)'
  188 |     lcm(_Mn __m, _Nn __n) noexcept
      |     ^~~
a.cc:13:10: note:                 '<typeprefixerror>lcm'
   13 | function lcm($a, $b) {
      |          ^~~
Language: C++

#include<bits/stdc++.h>
#include<numeric>
#include<cmath>
#include<limits>
using namespace std;
 
int main(){
  int N;
  vector<int> A(N);
  int sum;
  int lcm;
  sort(A.begin(), A.end(), greater<int>());
  for (int i = 0; i < N - 1; i++){
    for (int j = i + 1; j < N; j++){
      int r = A.at(i) % A.at(j);
      int a = A.at(i);
      int b = A.at(j);
      while(r != 0){
        a = b;
        b = r;
        r = a % b;        
      }
      lcm = (A.at(i) * A.at(j))/r;
      sum += lcm;
  }
  
  cout << sum % 998244353 << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:2: error: expected '}' at end of input
   30 | }
      |  ^
a.cc:7:11: note: to match this '{'
    7 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;

long gcd(long a, long b)
{
   if (b == 0) 
        return a; 
    return gcd(b, a % b);
}
long lcm(long x,long y)
{
  return x*y/gcd(x,y); 
}

int main()
{
  long i,n,j,sum=0,mod=998244353;
  cin>>n;
  
  long a[n];
  
  for(i=0;i<n;i++)
  {cin>>a[i]}
  
  for(i=0;i<n;i++){
    for(j=i+1;j<n;j++){
      sum=(sum+lcm(a[i],a[j]))%mod;
    }
  }
  cout<<sum<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:13: error: expected ';' before '}' token
   23 |   {cin>>a[i]}
      |             ^
      |             ;
Language: C++

#include<bits/stdc++.h>
#include<numeric>
#include<cmath>
#include<limits>
using namespace std;
 
int main(){
  int N;
  vector<int> A(N);
  int sum;
  int lcm;
  reverse(sort(A));
  for (int i = 0; i < N - 1; i++){
    for (int j = i + 1; j < N; j++){
      int r = A.at(i) % A.at(j);
      int a = A.at(i);
      int b = A.at(j);
      while(r != 0){
        a = b;
        b = r;
        r = a % b;        
      }
      lcm = (A.at(i) * A.at(j))/r;
      sum += lcm;
  }
  
  cout << sum % 998244353 << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:15: error: no matching function for call to 'sort(std::vector<int>&)'
   12 |   reverse(sort(A));
      |           ~~~~^~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:4762:5: note: candidate: 'template<class _RAIter> void std::sort(_RAIter, _RAIter)'
 4762 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~
/usr/include/c++/14/bits/stl_algo.h:4762:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algo.h:4793:5: note: candidate: 'template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare)'
 4793 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
      |     ^~~~
/usr/include/c++/14/bits/stl_algo.h:4793:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:86:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:292:1: note: candidate: 'template<class _ExecutionPolicy, class _RandomAccessIterator, class _Compare> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, void> std::sort(_ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _Compare)'
  292 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp);
      | ^~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:292:1: note:   candidate expects 4 arguments, 1 provided
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note: candidate: 'template<class _ExecutionPolicy, class _RandomAccessIterator> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, void> std::sort(_ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator)'
  296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last);
      | ^~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note:   candidate expects 3 arguments, 1 provided
a.cc:30:2: error: expected '}' at end of input
   30 | }
      |  ^
a.cc:7:11: note: to match this '{'
    7 | int main(){
      |           ^
Language: C++

int main() {
  int n;
  cin>>n;
  int A[200000];
  for (int i = 0; i < n; ++i) cin >> A[i];
long long sum=0;
long long a, b, r, x, tmp;
  for(int i=0;i<n-1;i++){
    for(int j=i+1;j<n;j++){
      a=A[i];
      b=A[j];
      x = a * b;
      if(a<b){
        tmp = a;
        a = b;
        b = tmp;
      }

      r = a % b;
      while(r!=0){
        a = b;
        b = r;
        r = a % b;
      }
      sum += x/b;
    }
    sum = sum % 998244353;
  }
  cout << sum % 998244353 << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin>>n;
      |   ^~~
a.cc:29:3: error: 'cout' was not declared in this scope
   29 |   cout << sum % 998244353 << endl;
      |   ^~~~
a.cc:29:30: error: 'endl' was not declared in this scope
   29 |   cout << sum % 998244353 << endl;
      |                              ^~~~
Language: C++

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

int main(){
  int N;
  vector<int> A(N);
  int sum;
  
  for (int i = 0; i < N - 1; i++){
    for (int j = i + 1; j < N; j++){
      sum += lcm(A.at(i),A.at(j))
    }
  }
  
  cout << sum % 998244353 << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:34: error: expected ';' before '}' token
   12 |       sum += lcm(A.at(i),A.at(j))
      |                                  ^
      |                                  ;
   13 |     }
      |     ~
Language: Java

import java.util.Scanner;
public class Main {

  /**
   * @param args
   */
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int n = Integer.parseInt(sc.next());

    long[] a = new long[n];

    for (int i = 0; i < n; i++) {
      a[i] = Long.parseLong(sc.next());
    }

    long answer = 0;
    for (int i = 0; i < n; i++) {
      for (int j = i + 1; j < n; j++) {
        answer += C.lcm(a[i], a[j]);
      }
    }


    System.out.println(answer % 998244353);

  }

  // Greatest common divisor
  static long gcd(long a, long b) {

    long c = 0;
    do {
      c = a % b;
      a = b;
      b = c;
    } while (c != 0);
    return a;
  }

  // Least common multiple
  static long lcm(long a, long b) {

    return a * b / gcd(a, b);
  }
}


Compiler output:
Main.java:21: error: cannot find symbol
        answer += C.lcm(a[i], a[j]);
                  ^
  symbol:   variable C
  location: class Main
1 error
Language: C++

#include<iostream>
using namespace std;

class gfg 
{ 
 public : int gcd(int a, int b){ 
    if (a == 0) 
        return b;  
    return gcd(b % a, a);  
 } 
  
   
// Function to return LCM of two numbers  
  int lcm(int a, int b)  
 {  
    return (a*b)/gcd(a, b);  
 }  
} ;
int main()
{
  gfg g;
  int a, i, sum=0, n[3000000];
  cin>>a;
  for(i=0; i<a; i++)
  {
    cin>>n[i];
  }
  for(int i=0; i<a; i++)
  {
    for(int j=1; j<a; j++){
      sum = g.lcm(a[i],a[j]);
    }
  }
  sum = sum%998244353;
  cout<<sum;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:20: error: invalid types 'int[int]' for array subscript
   31 |       sum = g.lcm(a[i],a[j]);
      |                    ^
a.cc:31:25: error: invalid types 'int[int]' for array subscript
   31 |       sum = g.lcm(a[i],a[j]);
      |                         ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int n,m,q,a[101010],b[101010],c[101010],p[101010];
long long ans;
set<int>st;
int zg(int x)
{
	if(p[x]==x)
	{
		return x;
	}
	p[x]=zg[p[x]];
	return p[x];
}
void gz(int x,int y)
{
	x=zg(x);
	y=zg(y);
	if(x!=y)
	{
		p[x]=y;
	}
}
int main()
{
	cin>>n>>m>>q;
	for(int i=0;i<n;i++)
	{
		p[i]=i;
	}
	for(int i=0;i<q;i++)
	{
		scanf("%d %d %d",&a[i],&b[i],&c[i]);
		if(c[i]==0)
		{
			gz(a[i],b[i]);
		}
	}
	for(int i=0;i<q;i++)
	{
		if(c[i]==1)
		{
			if(m==n-1)
			{
				cout<<"No"<<endl;
				return 0;
			}
			if(zg(a[i])==zg(b[i]))
			{
				cout<<"No"<<endl;
				return 0;
			}
		}
	}
	ans=n-1;
	for(int i=0;i<n;i++)
	{
		st.insert(zg(i));
	}
	long long sz=st.size();
	ans+=sz*(sz-1)/2-sz+1;
	if(ans<m)
	{
		cout<<"No"<<endl;
		return 0;
	}
	cout<<"Yes"<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int zg(int)':
a.cc:12:21: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   12 |         p[x]=zg[p[x]];
      |                     ^
a.cc:12:21: error: invalid conversion from 'int (*)(int)' to 'int' [-fpermissive]
   12 |         p[x]=zg[p[x]];
      |              ~~~~~~~^
      |                     |
      |                     int (*)(int)
Language: C++

#include <cstdio>
#include <cstring>
#include <vector>
#define rep(a,b,c) for(int a=b;a<=c;a++)
#define pb push_back
using std::vector;
const int maxn=1e5+1;
#define int long long
inline int max(int a,int b) { return a>b?a:b; }
int vis[maxn],num,bel[maxn],len[maxn],n,m,q,tag[maxn],a[maxn],b[maxn],c[maxn],edge,mine,maxe,nans,sum,spj,left,lst,now,cnt;
vector<int> e[maxn];
inline void dfs(int x) {
	len[num]++;  vis[x]=1; bel[x]=num; now++;
	for(int v:e[x]) {
		if(vis[v]) continue;
		dfs(v);
	}
}
inline void check(int x,int rt) {
	if(nans) return;
	vis[x]=1;
	for(int v:e[x]) {
		if(bel[v]==bel[rt]) return(void)(nans=1);
		if(bel[v]) continue;
		if(!vis[v]) dfs(v);
	}
}
signed main() {
	scanf("%lld %lld %lld",&n,&m,&q); left=n;
	rep(i,1,q) {
		scanf("%lld %lld %lld",&a[i],&b[i],&c[i]);
		a[i]++; b[i]++;
		if(c[i]) e[a[i]].pb(b[i]),e[b[i]].pb(a[i]),tag[a[i]]=1,tag[b[i]]=1,spj=1;
		else edge++;
	}
	if(!spj&&(m>=n)) { puts("No"); return 0; }
	rep(i,1,n) {
		if(vis[i]||e[i].empty()) continue;
		num++; dfs(i);
		if(len[num]>2) mine+=len[num],maxe+=((len[num]*(len[num]-1))/2); 
		else mine+=3,maxe++3,cnt++;
	}
	rep(i,1,n) e[i].clear(); memset(vis,0,sizeof(vis));
	rep(i,1,num) maxe+=(sum*len[num]),sum+=len[num];
	rep(i,1,q) {
		if(!c[i]) e[a[i]].pb(b[i]),e[b[i]].pb(a[i]);
	}
	rep(i,1,n) {
		if(!bel[i]) continue;
		if(len[bel[i]]==2) {
			lst=now; check(i,i);
			left-=(now-lst);
		}
		else check(i,i);
		if(nans) break;
	}
	mine+=edge; maxe+=edge;
	if(nans) puts("No");
	else if(cnt>left) puts("No");
	else if(mine<=m&&maxe>=m) puts("Yes");
	else puts("No");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:36: error: expected ';' before numeric constant
   41 |                 else mine+=3,maxe++3,cnt++;
      |                                    ^
      |                                    ;
Language: C++

#include <cstdio>
#include <cstring>
#include <vector>
#define rep(a,b,c) for(int a=b;a<=c;a++)
#define pb push_back
using std::vector;
const int maxn=1e5+1;
#define int long long
int vis[maxn],num,bel[maxn],len[maxn],n,m,q,tag[maxn],a[maxn],b[maxn],c[maxn],edge,mine,maxe,nans,wdnmd[2],inf;
vector<int> e[maxn];
inline void dfs(int x) {
	len[num]++;  vis[x]=1; bel[x]=num;
	for(int v:e[x]) {
		if(vis[v]) continue;
		dfs(v);
	}
}
inline void check(int x,int rt) {
	if(nans) return;
	vis[x]=1;
	for(int v:e[x]) {
		if(bel[v]==bel[rt]) return(void)(nans=1);
		if(bel[v]) continue;
		if(!vis[v]) dfs(v);
	}
}
int main() {
	memset(wdnmd,0x3f,sizeof(wdnmd)); inf=wdnmd[0];
	scanf("%lld %lld %lld",&n,&m,&q);
	rep(i,1,q) {
		scanf("%lld %lld %lld",&a[i],&b[i],&c[i]);
		a[i]++; b[i]++;
		if(c[i]) e[a[i]].pb(b[i]),e[b[i]].pb(a[i]),tag[a[i]]=1,tag[b[i]]=1;
		else edge++;
	}
	rep(i,1,n) {
		if(vis[i]||e[i].empty()) continue;
		num++; dfs(i);
		if(len[num]>2) mine+=len[num],maxe+=((len[num]*(len[num]-1))/2);
		else mine+=3,maxe+=3;
	}
	rep(i,1,n) e[i].clear(); memset(vis,0,sizeof(vis));
	rep(i,1,q) {
		if(!c[i]) e[a[i]].pb(b[i]),e[b[i]].pb(a[i]);
	}
	rep(i,1,n) {
		if(tag[i]) check(i,i);
		if(nans) break;
	}
	mine+=edge; maxe+=edge;
	if(nans) puts("No");
	else if(mine<=m&&maxe>=m) puts("Yes");
	else puts("No");
}

Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

int main(){
  std::cout << "No";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:2:8: error: 'cout' is not a member of 'std'
    2 |   std::cout << "No";
      |        ^~~~
a.cc:1:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | int main(){
Language: C++

int main(){
  std::cout << "No" << std::endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:2:8: error: 'cout' is not a member of 'std'
    2 |   std::cout << "No" << std::endl;
      |        ^~~~
a.cc:1:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | int main(){
a.cc:2:29: error: 'endl' is not a member of 'std'
    2 |   std::cout << "No" << std::endl;
      |                             ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | int main(){
Language: C++

#include <bits/stdc++.h>
typedef long long int ll;
typedef long double ld;
#define pb push_back
#define pii pair < int , int >
#define F first
#define S second
#define endl '\n'
#define int long long
#define sync ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
#define kill(x) return cout<<x<<'\n', 0;
using namespace std;
const int N=2e5+100;
ll par[N];
ll getpar(ll v){
    if (par[v]==v) return v;
    return par[v]=getpar(par[v]);
}
vector <int> g[N];
ll visit[N];
ll vis[N];
ll p1=0;
ll mark[N];
int32_t main(){
    ll n,m;
    cin >> n >> m;
    ll q;
    cin >> q;
    ll tm=n;
    ll ma=0;
    for (int i=0;i<N;i++) par[i]=i;
    ll pz=0;
    while(q--){
        ll u,v,c;
        cin >> u >> v >> c;
        u++;
        v++;
        if (c==0){
            ll u1=getpar(u),v1=getpar(v);
            if (v1!=u1){
                par[u1]=v1;
                tm--;
            }
            else pz=1;
            ma++;
        }
        if (c==1){
            g[u].pb(v);
            g[v].pb(u);
            if (m==n-1) pz=1;
        }
    }
    if (pz) kill("No");
    ma+=tm*(tm-1)/2;
    ll y=0;
    for (int i=1;i<=n;i++){
        for (auto u : g[i]){
            if (gtepar(i)==getpar(u)) kill("No");
        }
    }
   // cout << tm << " " << y << " " << mi << endl;
  // if (tm==2 && y==2) kill("No");
   ll mi=n;
    if (m>=mi && m<=ma) kill("Yes");
    kill("No");

}



Compiler output:
a.cc: In function 'int32_t main()':
a.cc:59:17: error: 'gtepar' was not declared in this scope; did you mean 'getpar'?
   59 |             if (gtepar(i)==getpar(u)) kill("No");
      |                 ^~~~~~
      |                 getpar
Language: C++

        #include <bits/stdc++.h>
        using namespace std;
   #define int long long
const int MAX = 510000;
const int MOD =  998244353;
const int  Inv2 = (MOD+1)/2;
int oya[100000];
int findoya(int p){
     
    if(oya[p]<0){
        return p;
    }else{
        int t=oya[p];
       
        return  oya[p]=findoya(t);
    }
}
     vector<pair<int,int>> p[2];
     signed main(){
   int n,m,q;
   cin>>n>>m>>q;
   ;fill(oya,oya+n,-1);
   
        int a,b,c;
        for(int i=0;i<q;i++){
                cin>>a>>b>>c;
                p[c].push_back(make_pair(a,b));
        }
        for(int i=0;i<p[0].size();i++){
                a=findoya(p[0][i].first);
                b=findoya(p[0][i].second);
                // cerr<<'u';
                if(a==b)continue;
                if(oya[a]<oya[b])swap(a,b);
                oya[b]+=oya[a];
                oya[a]=b;
           

        }
     
        for(int i=0;i<p[1].size();i++){
                if(findoya(p[1][i].first)==findoya(p[1][i].second)){
                        cout<<"No";
                        return 0;
                }

        }
        c=0;for(int i=0;i<n;i++)if(oya[i]<0)c++;//cerr<<c<<endl;
        if(c==2){
             
                cout<<"No"<<endl;
                return 0;
        }
        if(c==1){
          
                if(m==n-1)cout<<"Yes"<<endl;
                else cout<<"No"<<endl;
                return 0;
        
        if(n<=m&&m<=n-c+c*(c-1)/2)cout<<"Ys"<<endl;
        else cout<<"No"<<endl;

         
}

        


Compiler output:
a.cc: In function 'int main()':
a.cc:64:2: error: expected '}' at end of input
   64 | }
      |  ^
a.cc:19:19: note: to match this '{'
   19 |      signed main(){
      |                   ^
Language: C++

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

inline int read()
{
	int sum=0,ff=1; char ch=getchar();
	while(!isdigit(ch))
	{
		if(ch=='-') ff=-1;
		ch=getchar();
	}
	while(isdigit(ch))
		sum=sum*10+(ch^48),ch=getchar();
	return sum*ff;
}


const int N=1e5+5;

int n,m,fa[N],tot,al,T,ask;

struct nood
{
	int u,v,op;
};
nood e[N<<1];

inline int find(int x)
{
	if(x==fa[x]) return x;
	return fa[x]=find(fa[x]);
}

inline void sub_tree()
{
	if(m<n-1)
		printf("No\n");
	if(ask==T) 
		printf("Yes\n");
		exit(0);
	else printf("No\n");
	exit(0);
}

signed main()
{
	n=read();
	m=read();
	T=read();
	for ( int i=0;i<=n;i++ ) fa[i]=i;
	for ( int i=1;i<=T;i++ )
	{
		e[i]=(nood){read(),read(),read()};
		if(!e[i].op)
		{
			ask++;
			int x=find(e[i].u),y=find(e[i].v);
			if(x==y) continue;
			al++; 
			fa[x]=y;
		}
	}
	if(m<=n-1) sub_tree();
	for ( int i=1;i<=T;i++ ) 
	{
		if(e[i].op)
		{
			int x=find(e[i].u),y=find(e[i].v);
			if(x==y) return printf("No\n"),0;
		}
	}
	tot=n-al;
	int l=n,r=al+(tot*(tot-1))/2;
//	cout<<m<<" "<<r<<endl;
	if(m>=l&&m<=r) printf("Yes\n");
	else printf("No\n");
	return 0;
}

Compiler output:
a.cc: In function 'void sub_tree()':
a.cc:42:9: error: 'else' without a previous 'if'
   42 |         else printf("No\n");
      |         ^~~~
Language: C++

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

int p[100005];
int n;
long long m;
int q;

vector<pair<int,int> > edges;

int root(int a){
    return p[a]==a?a:root(p[a]);
}



int main(){
    scanf("%lld%lld%lld",&n,&m,&q);
    for (int x = 0; x<n; x++){
        p[x] = x;
    }
    int components = n;
    for (int x = 0; x<q; x++){
        int a,b,c;
        scanf("%lld%lld%lld",&a,&b,&c);
        if (c==0){
            if (root(a)==root(b)){
                printf("No");
                return 0;
            }
            p[root(a)] = root(b);
            components--;
        }
        else{
            edges.push_back({a,b});
        }
    }
    for (auto x : edges){
        if (root(x.first)==root(x.second)){
            printf("No");
            return 0;
        }
    }
    int mn = n-1;
    if (!edges.empty()) mn = n;

    long long mx = components*(components-1)/2 + n-components;

    if (m<mn || m>mx){
        printf("No");
    }
    else{
        printf("Yes");
    }


}


Compiler output:
cc1plus: error: '::main' must return 'int'