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

#inlcude <stdio.h>

#define MOD_VAL	1000000007

long long int modpow(long long int a, long long int n, long long int mod) {
    long long int res = 1;
    while (n > 0) {
        if (n & 1) res = res * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return res;
}

long long int modinv(long long int a) {
    return modpow(a, (long long int)(MOD_VAL - 2), (long long int)MOD_VAL);
}

long long int factorial_mod(long long int a)
{
  long long int ret = 1;
  while( a > 1 ) {
    ret = (ret * a) % (long long int)MOD_VAL;
    a--;
  }
  return ret;
}

long long int combination_mod(long long int n, long long int k)
{
  long long int bunbo, bunshi;
  bunshi = factorial_mod( n );
  bunbo = (factorial_mod( k ) * factorial_mod( n-k )) % (long long int)MOD_VAL;
}

int main()
{
  int ret, X, Y;
  int n, m;
  ret = scanf("%d %d", &X, &Y);
  if ( (X + Y) % 3 != 0 ) {
    printf("0\n");
    return 0;
  }
  n = (2 * X - Y) / 3;
  m = (2 * Y - X) / 3;
  if ( n < 0 || m < 0 ) {
    printf("0\n");
    return 0;
  }
  pritnf("%lld\n", combination_mod( n + m, n ));
}


Compiler output:
main.c:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude <stdio.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:40:9: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   40 |   ret = scanf("%d %d", &X, &Y);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #inlcude <stdio.h>
main.c:40:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   40 |   ret = scanf("%d %d", &X, &Y);
      |         ^~~~~
main.c:40:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:42:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   42 |     printf("0\n");
      |     ^~~~~~
main.c:42:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:42:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:42:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:48:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   48 |     printf("0\n");
      |     ^~~~~~
main.c:48:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:51:3: error: implicit declaration of function 'pritnf' [-Wimplicit-function-declaration]
   51 |   pritnf("%lld\n", combination_mod( n + m, n ));
      |   ^~~~~~
Language: Java

import java.util.*;
import java.lang.*;
import java.io.*;
import java.math.*;
/* Name of the class has to be "Main" only if the class is public. */


/* Name of the class has to be "Main" only if the class is public. */
public class Main
{
    
    public static void main (String[] args) throws java.lang.Exception
    {
        Scanner s=new Scanner(System.in);
      int x=s.nextInt();
      int y=s.nextInt();
      
      if((2*x-y)%3)!=0||(2*y-x)%3!=0)
        System.out.println(0);
      else
      {
        int n=(2*x-y)/3;
        int m =(2*y-x)/3;

long ans=1,mod=1000000007;        
for(int i=1;i<=(n+m);i++){
ans=(ans*(i%mod))%mod;
}
System.out.println(ans);
}
}
        

Compiler output:
Main.java:18: error: illegal start of expression
      if((2*x-y)%3)!=0||(2*y-x)%3!=0)
                   ^
Main.java:18: error: not a statement
      if((2*x-y)%3)!=0||(2*y-x)%3!=0)
                      ^
Main.java:18: error: ';' expected
      if((2*x-y)%3)!=0||(2*y-x)%3!=0)
                                    ^
Main.java:20: error: 'else' without 'if'
      else
      ^
Main.java:31: error: reached end of file while parsing
}
 ^
5 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define ALL(a)  (a).begin(),(a).end()
#define SUM(a)  accumulate((a).begin(),(a).end(),0)
#define SORT(a) sort(ALL(a))
#define REV(a) reverse(ALL(a))
#define dump(x)  cerr << #x << " = " << (x) << endl;
typedef long long ll;
const int INTINF = 1<<29;
const ll LLINF = 1LL<<61;
const int MOD = (int)1e9 + 7;
const double EPS = 1e-9;
const int DX[8]={ 0, 1, 0,-1, 1, 1,-1,-1};
const int DY[8]={ 1, 0,-1, 0, 1,-1, 1,-1};

ll fact(int a){
    ll r = 1;
    REP(i,a){
        r = (r * (i+1)) % MOD;
    }
    dump(r);
    return r;
}

ll inv(int a){
    int p = 32;
    ll mem[p];
    mem[0] = a;
    REP(i,p-1){
        mem[i+1] = (mem[i] * mem[i])%MOD;
    }
    ll r = 1;
    ll m = MOD-2;
    for (int i=p-1;i>=0;i--){
        if (m >= pow(2,i)){
            r *= mem[i];
            //dump(pow(2,i));
            m -= pow(2,i);
            r %= MOD;

        }
    }
    //dump(m);
    //dump(r);
    return r;
}

int comb(int a,int b){
    ll r;
    dump(a);
    dump(b);
    r = fact(a)*inv(fact(a-b)) % MOD;
    r = r * inv(fact(b)) % MOD;
    return int(r);
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  int x,y;
  cin >> x >>y;
  if ((x+y)%3 != 0){
      cout << 0 << endl;
      return 0;
  }
if (x < 0 || y < 0) {
    cout << 0 << endl;
    return 0;
  
  int a = (x+y)/3;
  if (x<y)swap(x,y);
  int b = x - a;
  if (a<b)swap(a,b);
  
  cout << comb(a,b) << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:79:2: error: expected '}' at end of input
   79 | }
      |  ^
a.cc:59:12: note: to match this '{'
   59 | int main() {
      |            ^
Language: C++

/*
n:2 m:3
nnmmm 1
nmnmm 2
nmmnm 3
nmmmn 4
mnnmm 5
mnmnm 6
mnmmn 7
mmnnm 8
mmnmn 9
mmmnn 10

5*4
---
 2

 2n+4m=2x
-2n+ m= y
---------
    3m=2x-y
     m=(2x-y)/3  (x+y)%3==0
n=x-2m
*/
#include<stdio.h>
#include<iosrteam>
#include<algorithm>
using namespace std;
int main(){
int x,y,i,j,n,m,ans=0;
scanf("%d%d",&x,&y);
if((x+y)%3==0){
m=(2*x-y)/3;
n=x-2*m;
if(!(m<0||n<0)){
ans=1;
for(i=0;i<n;i++)
ans=ans*(n+m-i);
for(i=n;i>0;i--)
ans=ans/i;
}
}
printf("%d\n",ans);
return 0;
}

Compiler output:
a.cc:26:9: fatal error: iosrteam: No such file or directory
   26 | #include<iosrteam>
      |         ^~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <vector>

//
// O(N)で二項係数(mod)を求める
//
// ref: http://drken1215.hatenablog.com/entry/2018/06/08/210000
// verify: https://atcoder.jp/contests/abc145/tasks/abc145_d
struct Comb {
  const int64_t mod;
  std::vector<int64_t> fact;     // a!
  std::vector<int64_t> factinv;  // (a!)^-1
  std::vector<int64_t> inv;
  Comb(int maximum, i64 m)
      : mod(m), fact(maximum, 0), factinv(maximum, 0), inv(maximum, 0) {
    // テーブルを作る前処理
    fact[0] = factinv[0] = 1;
    fact[1] = factinv[1] = 1;
    inv[1] = 1;
    for (i64 i = 2; i < maximum; ++i) {
      fact[i] = fact[i - 1] * i % mod;
      inv[i] = mod - inv[mod % i] * (mod / i) % mod;
      factinv[i] = factinv[i - 1] * inv[i] % mod;
    }
  }
  i64 comb(int n, int k) {
    if (n < k) return 0;
    if (n < 0 || k < 0) return 0;
    return fact[n] * (factinv[k] * factinv[n - k] % mod) % mod;
  }
};

using namespace std;
using i64 = int64_t;
int main() {
  i64 x, y;
  cin >> x >> y;
  i64 s, t;
  bool flag = false;
  for (i64 a = 0; a < x + 1; ++a) {
    if (a % 2 == 0 && (x - a) * 2 + a / 2 == y) {
      s = a / 2;
      t = x - a;
      flag = true;
    }
  }
  if (!flag) {
    cout << 0 << endl;
    return 0;
  }
  i64 n = s + t;
  i64 k = s;
  Comb c(1'000'100, 1'000'000'007);
  cout << c.comb(n, k) << endl;

  return 0;
}

Compiler output:
a.cc:14:21: error: 'i64' has not been declared
   14 |   Comb(int maximum, i64 m)
      |                     ^~~
a.cc:26:3: error: 'i64' does not name a type
   26 |   i64 comb(int n, int k) {
      |   ^~~
a.cc: In constructor 'Comb::Comb(int, int)':
a.cc:20:10: error: 'i64' was not declared in this scope
   20 |     for (i64 i = 2; i < maximum; ++i) {
      |          ^~~
a.cc:20:21: error: 'i' was not declared in this scope
   20 |     for (i64 i = 2; i < maximum; ++i) {
      |                     ^
a.cc: In function 'int main()':
a.cc:54:13: error: 'struct Comb' has no member named 'comb'; did you mean 'Comb'?
   54 |   cout << c.comb(n, k) << endl;
      |             ^~~~
      |             Comb
Language: C++

#include <iostream>
using namespace std;
const int M = 1e9 + 7,N = 2e6 + 1;
int fact[N] = {1},inv[N];
int power(int base,int to){
	int ret = 1;
	while(to){
		if(to&1)ret = ret*1LL*base%M;
		to>>=1;
		base = base*1LL*base%M;
	}
	return ret;
}
int choose(int n,int k){return (fact[n]*1LL*inv[n - k]%M)*1LL*inv[k]%M;}
int main(){

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

/*input
999999 999999
*/
#include<bits/stdc++.h>
#define int long long
#define MOD 1000000007
#define MAX 100005
#define pb push_back
#define mp make_pair
#define pii pair<int,int>
#define mii map<int,int>
#define vi vector<int>
#define ff first
#define ss second
#define T int t;cin>>t;while(t--)
#define loop(i,a,b) for(int i=a;i<b;i++)
#define umi unordered_map<int,int>
#define maxheap priority_queue<int>
#define minheap priority_queue<int,vector<int>,greater<int> >
#define inp(n) for(int i=0;i<n;i++)
#define N 2000005

using namespace std;
using namespace std::chrono;

int facto(int n){
	if(n==0)
		return 1;
	return (n*facto(n-1))%MOD;
}

int power(int a,int b,int c = MOD){
	if(b==0)	return 1;
	int x = power(a,b/2,c);
	x=(x*x)%c;
	if(b%2==0)
		return x;
	return (a*x)%c;
}

signed main(){
	int x,y;
	cin >> x >> y;
	int a = 2*y-x,b = 2*x-y;
	
	if(a<0 || b<0 || a%3 !=0 || b%3 !=0){
		cout << "0\n";	return 0;
	}
	a/=3LL;	
	b/=3LL;
	cout << a << ' ' << b << '\n';
	//int z = facto(333333);
	int ans = fact(a+b)*power(a,MOD-2,MOD);
	ans %= MOD;
	ans *= power(b,MOD-2,MOD);
	ans %= MOD;
	cout << ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:19: error: 'fact' was not declared in this scope; did you mean 'facto'?
   53 |         int ans = fact(a+b)*power(a,MOD-2,MOD);
      |                   ^~~~
      |                   facto
Language: C++

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

const ll M = 1000000007;
const ll Max_n=1000001;

vector<ll> fac(Max_n);
vector<ll> ifac(Max_n);

ll mpow(ll x, ll n){ 
    ll ans = 1;
    while(n != 0){
        if(n&1) ans = ans*x % M;
        x = x*x % M;
        n = n >> 1;
    }
    return ans;
}

ll mcomb(ll a, ll b){
    if(a == 0 && b == 0)return 1;
    if(a < b || a < 0)return 0;
    ll tmp = ifac[a-b]* ifac[b] % M;
    return tmp * fac[a] % M;
}

int main(){
    ll ans=0,x,y,n,m;
    cin >> x >> y;
    if((x+y)%3!=0){
    	cout << ans << endl;
    	return 0;
    }
    n=(2*x-y)/3;
    m=x-2n;
    if(n<0 || m<0){
    	cout << ans << endl;
    	return 0;	
    }	
    fac[0] = 1;
    ifac[0] = 1;
    for(ll i = 0; i<1000001; i++){
     	fac[i+1] = fac[i]*(i+1) % M;
        ifac[i+1] = ifac[i]*mpow(i+1, M-2) % M;
    }
    ans = mcomb(n+m, m)%M;
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:38:9: error: unable to find numeric literal operator 'operator""n'
   38 |     m=x-2n;
      |         ^~
Language: C++

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

const ll M = 1000000007;
const ll Max_n=1000001

vector<ll> fac(Max_n);
vector<ll> ifac(Max_n);

ll mpow(ll x, ll n){ 
    ll ans = 1;
    while(n != 0){
        if(n&1) ans = ans*x % M;
        x = x*x % M;
        n = n >> 1;
    }
    return ans;
}

ll mcomb(ll a, ll b){
    if(a == 0 && b == 0)return 1;
    if(a < b || a < 0)return 0;
    ll tmp = ifac[a-b]* ifac[b] % M;
    return tmp * fac[a] % M;
}

int main(){
    ll ans=0,x,y,n,m;
    cin >> x >> y;
    if((x+y)%3!=0){
    	cout << ans << endl;
    	return 0;
    }
    n=(2*x-y)/3;
    m=x-2n;
    if(n<0 || m<0){
    	cout << ans << endl;
    	return 0;	
    }	
    fac[0] = 1;
    ifac[0] = 1;
    for(ll i = 0; i<1000001; i++){
     	fac[i+1] = fac[i]*(i+1) % M;
        ifac[i+1] = ifac[i]*mpow(i+1, M-2) % M;
    }
    ans = mcomb(n+m, m)%M;
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc:10:1: error: expected ',' or ';' before 'vector'
   10 | vector<ll> fac(Max_n);
      | ^~~~~~
a.cc: In function 'll mcomb(ll, ll)':
a.cc:27:18: error: 'fac' was not declared in this scope; did you mean 'ifac'?
   27 |     return tmp * fac[a] % M;
      |                  ^~~
      |                  ifac
a.cc: In function 'int main()':
a.cc:38:9: error: unable to find numeric literal operator 'operator""n'
   38 |     m=x-2n;
      |         ^~
a.cc:43:5: error: 'fac' was not declared in this scope; did you mean 'ifac'?
   43 |     fac[0] = 1;
      |     ^~~
      |     ifac
Language: C++

#include<stdio.h>
#include <cstdint>
#include<iostream>

uintmax_t combination(int n,int r) {
  if ( r * 2 > n ) r = n - r;
  uintmax_t dividend = 1;
  uintmax_t divisor  = 1;
  for ( unsigned int i = 1; i <= r; ++i ) {
    dividend *= (n-i+1);
    divisor  *= i;
  }
  return dividend / divisor;
}

int main()
{
  int X,Y,x,y;
  int count=0;
  scanf("%d%d",&X,&Y);
  x=X;
  y=Y;
  if(Y<(x/2)||Y>2*X){
    printf("0");
    return 0;
  }
  while(true){
    Y++;
    X--;
    count++;
    if(X==0){
      if(Y%3!=0){
        printf("0");
        break;
      }
      break;
    }
  }
  
  printf("%d",combination(int Y%3,int x-count));
  return 0;

  
  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:27: error: expected primary-expression before 'int'
   40 |   printf("%d",combination(int Y%3,int x-count));
      |                           ^~~
a.cc:40:35: error: expected primary-expression before 'int'
   40 |   printf("%d",combination(int Y%3,int x-count));
      |                                   ^~~
Language: C++

#include<stdio.h>
#include <cstdint>
#include<iostream>

uintmax_t combination(int n,int r) {
  if ( r * 2 > n ) r = n - r;
  uintmax_t dividend = 1;
  uintmax_t divisor  = 1;
  for ( unsigned int i = 1; i <= r; ++i ) {
    dividend *= (n-i+1);
    divisor  *= i;
  }
  return dividend / divisor;
}

int main()
{
  int X,Y,x,y;
  int count=0;
  scanf("%d%d",&X,&Y);
  x=X;
  y=Y;
  if(Y<(x/2)||Y>2X){
    printf("0");
    return 0;
  }
  while(true){
    Y++;
    X--;
    count++;
    if(X==0){
      if(Y%3!=0){
        printf("0");
        break;
      }
      break;
    }
  }
  
  printf("%d",combination(int Y%3,int x-count));
  return 0;

  
  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:17: error: unable to find numeric literal operator 'operator""X'
   23 |   if(Y<(x/2)||Y>2X){
      |                 ^~
a.cc:40:27: error: expected primary-expression before 'int'
   40 |   printf("%d",combination(int Y%3,int x-count));
      |                           ^~~
a.cc:40:35: error: expected primary-expression before 'int'
   40 |   printf("%d",combination(int Y%3,int x-count));
      |                                   ^~~
Language: C

#include<stdio.h>
#include<stdlib.h>
#include <math.h>
#define M 1000000007
#define ll long long

ll fact[2000003],ifact[2000003];

ll mpow(ll x,ll n){
  ll ans = 1;
  while(n!=0){
    if(n&1) ans=ans*x%M;
    x = x*x%M;
    n=n>>1;
  }
  return ans;
}

ll combi(ll n,ll r){
  if(n==0&&r==0)return 1;
  if(n<r||n<0)return 0;
  ll tmp = ifact[r]*ifact[n-r]%M
  return fact[n]*tmp%M;
}

int main(){
  ll x,y,k,m,n;
  scanf("%lld %lld",&x,&y);
  if((2*x-y)%3!=0||(2*y-x)%3!=0){
  	printf("0");
    return 0;
  }
  n=(2*x-y)/3;
  m=(2*y-x)/3;
  fact[0]=1;
  ifact[0]=1;

  for(ll i=0;i<2000004;i++){
    fact[i+1]=fact[i]*(i+1)%M;
    ifact[i+1]=ifact[i]*mpow(i+1,M-2)%M;
  }

  printf("%lld\n",combi(n+m,m)%M);
  return 0;
}


Compiler output:
main.c: In function 'combi':
main.c:23:3: error: expected ',' or ';' before 'return'
   23 |   return fact[n]*tmp%M;
      |   ^~~~~~
Language: Java

import java.util.*;

public class Main {
  public static void main(String args[]){
    Scanner sc = new Scanner(System.in);
    int x = sc.nextInt();
    int y = sc.nextInt();
    
    int steps = (x * y) / 3;
    if ((X*y)% 3 != 0){
      System.out.println("0");
    }else{
	  System.out.println(steps % (Math.pow(10, 9) + 7));
    }
  }
}

Compiler output:
Main.java:10: error: cannot find symbol
    if ((X*y)% 3 != 0){
         ^
  symbol:   variable X
  location: class Main
1 error
Language: Java

import java.util.*;

public class Main {
  public static void main(String args[]){
    Scanner sc = new Scanner(System.in);
    int x = sc.nextInt();
    int y = sc.nextInt();
    
    int steps = (x * y) / 3;
    if ((X*y)% 3 != 0){
      System.out.println("0");
    }else{
	  System.out.println(steps % (pow(10, 9) + 7));
    }
  }
}

Compiler output:
Main.java:10: error: cannot find symbol
    if ((X*y)% 3 != 0){
         ^
  symbol:   variable X
  location: class Main
Main.java:13: error: cannot find symbol
	  System.out.println(steps % (pow(10, 9) + 7));
	                              ^
  symbol:   method pow(int,int)
  location: class Main
2 errors
Language: C++

#include<iostream>
#include<vector>
#include<bits/stdc++.h>
long long pow_mod(long long base,long long exp,long long mod){
    long long res = 1;
    while(exp>0){
        if(exp & 1) {
          res = res * base % mod;
        }
        base = base * base % mod;
        exp >>= 1;
    }
    return res;
}
long long comb_mod(long long n,long long r,long long mod){
    long long nf=1;
    long long mf = 1;
    for(int i=1;i<=n;i++) {
      nf *= i;
      nf %=mod;
    }
    for(int i=1;i<=n-r;i++) {
      mf *= i;
      mf %= mod;
    }
    for(int i=1;i<=r;i++) {
      mf *= i;
      mf %= mod;
    }
    mf = pow_mod(mf,mod-2,mod);
    return mf * nf % mod;
}
const int mod = 1e9+7;


int main() {
  int X;
  int Y;
  int flag = 0;
  int64_t sum = 1;
  std::cin >> X >> Y;
  if ((2*X - Y) % 3 != 0 || (-1*X + 2*Y) % 3 != 0 || (2*X - Y) < 0 || (-1*X + 2*Y) % 3 < 0) {
    std::cout << "0" << std::endl;
  }
  else {
    int a = (2*X - Y)/3;
    int b = (-1*X + 2*Y)/3;
    int temp_num;
    if (a < b) {
      temp_num = a;
    }
    else {
      temp_num = b;
    }
    
    std::cout << comb(a+b,b,mod) << std::endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:56:18: error: 'comb' was not declared in this scope; did you mean 'wctomb'?
   56 |     std::cout << comb(a+b,b,mod) << std::endl;
      |                  ^~~~
      |                  wctomb
Language: C++

#include <iostream>
using namespace std;
 
typedef long long ll;
const ll MOD = 1000000000+7;

ll factorial(ll n){
    ll res = 1;
  	for(ll i = 2; i <= n; i++){
      res = (res * i) % MOD;
    }
  	return res;
}


ll comb(ll n, ll k){
 	ll a = factorial(n) % MOD;
  	ll b = factorial(n-k) % MOD;
  	ll c = factorial(k) % MOD;
  	return (((a * power(b, MOD-2)) % MOD) * power(c, MOD-2)) % MOD;
}



int main(void){
 
    ll X, Y;
    cin >> X >> Y;
    
    if((X+Y) % 3 != 0){
        cout << 0 << endl;
        return 0;
    }else{
        ll n = (2*Y - X) / 3;
        ll m = (2*X - Y) / 3;
        if (n < 0 || m < 0){
            cout << 0 << endl;
            return 0;
        }else{
            cout << comb(m+n, m) << endl;
        }
    }
}

Compiler output:
a.cc: In function 'll comb(ll, ll)':
a.cc:20:23: error: 'power' was not declared in this scope
   20 |         return (((a * power(b, MOD-2)) % MOD) * power(c, MOD-2)) % MOD;
      |                       ^~~~~
Language: C++

import math

def combinations_count(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

x,y=map(int,input().split())
if (x+y)%3!=0:
    print(0)
else:
    b=(2*x-y)//3
    total=(x+y)//3
    print(combinations_count(total,b)//(1000000000+7))

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import math
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

from scipy.special import comb

x,y=map(int,input().split())
if (x+y)%3!=0:
    print(0)
else:
    b=(2*x-y)//3
    total=(x+y)//3
    print(comb(total, b)//(1000000000+7))

Compiler output:
a.cc:1:1: error: 'from' does not name a type
    1 | from scipy.special import comb
      | ^~~~
Language: C++

#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <string>
#include <vector>
#include <limits>
#include <algorithm>
#include <utility>
#include <sstream>
#include <numeric>
#include <iterator>

using namespace std;

#define repd(i,a,b) for (int i=(a);i<(b);++i)
#define rep(i,n) repd(i,0,n)
#define rrepd(i,a,b) for (int i=(a-1);i>=(b);--i)
#define rrep(i,n) rrepd(i,n,0)
typedef long long ll;
typedef pair<int, int> P;

const int mod=int(1e9)+7;
// vector<ll> fac(1000001);
// vector<ll> ifac(1000001); //k!^{M-2} (mod M)

// ll mpow(ll x, ll n){
//     ll ans = 1;
//     while(n != 0){
//         if(n&1) ans = ans*x % mod;
//         x = x*x % mod;
//         n = n >> 1;
//     }
//     return ans;
// }


// ll comb(ll a, ll b){ //aCbをmod計算
//     if(a == 0 && b == 0)return 1;
//     if(a < b || a < 0)return 0;
//     ll tmp = ifac[a-b]* ifac[b] % mod;
//     return tmp * fac[a] % mod;
// }

int fact(int n){
  if(n==0)return 1;
  return ((long)n*(long)fact(n-1))%mod;
}
 
int pow(int n, int i){
  if(i==0)return 1;
  long s = pow(n, i/2);
  if(i%2==0){
    return (s*s)%mod;
  }
  else {
    return (((s*s)%mod)*(long)n)%mod;
  }
}
 
int comb(int n, int r){
  if(r<0 || r>n)return 0;
  long nf=fact(n), rf=fact(r), rnf=fact(n-r);
  return (((nf*pow(rf, mod-2))%mod)*pow(rnf, mod-2))%mod;
}

int main(int argc, const char * argv[]) {
  int x, y;
  cin >> x >> y;
  if ( (y + x) % 3 != 0){
    cout << 0 << endl;
    return 0;
  }

  int ans=0;

  //大した量ではないので，先にfax[i]とifax[i]を全て計算しておく
  // fac[0] = 1;
  // ifac[0] = 1;
  // for(ll i = 0; i<1000002; i++){
  //     fac[i+1] = fac[i]*(i+1) % mod; // n!(mod M)
  //     ifac[i+1] = ifac[i]*mpow(i+1, mod-2) % mod; // k!^{M-2} (mod M) ←累乗にmpowを採用
  // }
  // ll a = (2*y - x) / 3;
  // ll b = (y - 2*a);
  int n = (x+y) / 3;
  int r = y-n;
  ans = comb(n, r) % mod;
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int comb(int, int)':
a.cc:64:31: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'const int' to binary 'operator%'
   64 |   return (((nf*pow(rf, mod-2))%mod)*pow(rnf, mod-2))%mod;
      |            ~~~~~~~~~~~~~~~~~~~^~~~
      |               |                |
      |               |                const int
      |               __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#include <iostream>
#define M ((ll)1e9+7)
using namespace std;
typedef __int128 ll;


ll fe(ll a, ll b) {
	if (b==0) return 1;
	ll half = fe(a, b/2);
	if (b%2==0) return (half*half)%M;
	else return (((half*half)%M) * a)%M;
}

ll mm, nn, ans;
int x, y;

int main() {
	cin>>x>>y;
	if ((2*y-x)%3) x=1/0a;
	else {
		int n = (2*y-x)/3, m = (2*x-y)/3;
		mm=nn=ans=1;
		for (ll i=2; i<=n+m; i++) {
			if (i<=n) nn=(nn*i+M)%M; 
			if (i<=m) mm=(mm*i+M)%M;
			ans=(ans*i)%M;
		}
		ans = (ans * fe(nn, M-2) + M) % M;
		ans = (ans * fe(mm, M-2) + M) % M;
		cout<<(long long)ans<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:28: error: unable to find numeric literal operator 'operator""a'
   19 |         if ((2*y-x)%3) x=1/0a;
      |                            ^~
Language: C++

#include <bits/stdc++.h>
typedef long long int ll;
typedef long double ld;
using namespace std;
const ll mod=1e9+7;
const ll inf = (ll)1e17;
const ld eps = 1e-12;
const ld PI = 3.14159265358979323846;
ll mul(ll a, ll b, ll m = mod) { return (ll)(a * b) % m;}
ll add(ll a, ll b, ll m = mod) { a += b; if(a >= m) a -= m; if(a < 0) a += m; return a;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}


ll fact[1000006];
ll inv[1000006];
ll inv2[1000006];


ll mul(ll a,ll b){
    return a*b%mod;
    }
ll solve(ll n,ll m){
    if(n>0 && m>0 ){
        ll res=mul(fact[n+m],inv2[n]);
        res=mul(res,inv2[m]);
        return res;
    }
    else return ll(0);
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    ll x,y;
    cin>>x>>y;
    if((x+y)%3!=0 || max(x,y)>2*min(x,y) || x<=0 y<=0){
        cout<<0<<endl;
        return 0;
    }
    fact[0]=1;
    for(int i=1;i<=1000006;i++){
        fact[i]=fact[i-1]*i;fact[i]%=mod;
    }
    inv[1] = 1;
    inv2[0]=1;
    inv2[1]=1;
    for(int i=2;i<=1000006;i++){
        inv[i] = mod - inv[mod % i] * (mod / i) % mod;
        inv2[i] = inv2[i - 1] * inv[i] % mod;
    }

    ll n=(2*y-x)/3;
    ll m=(2*x-y)/3;
    ll res=solve(n,m);
    cout<<res<<endl;
    return 0;
    }


Compiler output:
a.cc: In function 'll solve(ll, ll)':
a.cc:25:19: error: call of overloaded 'mul(ll&, ll&)' is ambiguous
   25 |         ll res=mul(fact[n+m],inv2[n]);
      |                ~~~^~~~~~~~~~~~~~~~~~~
a.cc:9:4: note: candidate: 'll mul(ll, ll, ll)'
    9 | ll mul(ll a, ll b, ll m = mod) { return (ll)(a * b) % m;}
      |    ^~~
a.cc:20:4: note: candidate: 'll mul(ll, ll)'
   20 | ll mul(ll a,ll b){
      |    ^~~
a.cc:26:16: error: call of overloaded 'mul(ll&, ll&)' is ambiguous
   26 |         res=mul(res,inv2[m]);
      |             ~~~^~~~~~~~~~~~~
a.cc:9:4: note: candidate: 'll mul(ll, ll, ll)'
    9 | ll mul(ll a, ll b, ll m = mod) { return (ll)(a * b) % m;}
      |    ^~~
a.cc:20:4: note: candidate: 'll mul(ll, ll)'
   20 | ll mul(ll a,ll b){
      |    ^~~
a.cc: In function 'int main()':
a.cc:38:49: error: expected ')' before 'y'
   38 |     if((x+y)%3!=0 || max(x,y)>2*min(x,y) || x<=0 y<=0){
      |       ~                                         ^~
      |                                                 )
Language: C++

long long int  pow(long long int a,long long  int b,long long  int MOD)
{
    long long int x=1,y=a;
    while(b > 0)
    {
        if(b%2 == 1)
        {
            x=(x*y);
            if(x>MOD) x%=MOD;
        }
        y = (y*y);
        if(y>MOD) y%=MOD;
        b /= 2;
    }
    return x;
}
long long int InverseEuler(long long int n,long long  int MOD)
{
    return pow(n,MOD-2,MOD);
}
long long int com1(long long int  n,long long  int r,long long  int MOD)
{
long long int i;
    vector<long long int> f(n + 1,1);
    for ( i=2; i<=n;i++)
        f[i]= (f[i-1]*i) % MOD;
    return (f[n]*((InverseEuler(f[r], MOD) * InverseEuler(f[n-r], MOD)) % MOD)) % MOD;
}
long long int  Lucas(long long int n,long long int m,long long  int p)
{
    if (n==0 && m==0) return 1;
   long long  int ni = n % p;
   long long  int mi = m % p;
    if (mi>ni) return 0;
    return Lucas(n/p, m/p, p) * com1(ni, mi, p);
}
long long int com(long long int n,long long int r,long long int MOD)
{
    return Lucas(n, r, MOD);
}

int main()
{    
	long long int x,y;
  	cin>>x>>y;
  	long long int sum = x + y;
  	if(sum % 3 != 0){
      cout<<0;
      return 0;
    }
  	
  	long long int n = sum/3;
  	long long int r = y - n;
  	long long int p = 1000000007;
  	if(r<0 || n==0){
      cout<<0;
      return 0;
    }
  	cout<<com(n,r,p);
}

Compiler output:
a.cc: In function 'long long int com1(long long int, long long int, long long int)':
a.cc:24:5: error: 'vector' was not declared in this scope
   24 |     vector<long long int> f(n + 1,1);
      |     ^~~~~~
a.cc:24:12: error: expected primary-expression before 'long'
   24 |     vector<long long int> f(n + 1,1);
      |            ^~~~
a.cc:26:9: error: 'f' was not declared in this scope
   26 |         f[i]= (f[i-1]*i) % MOD;
      |         ^
a.cc:27:13: error: 'f' was not declared in this scope
   27 |     return (f[n]*((InverseEuler(f[r], MOD) * InverseEuler(f[n-r], MOD)) % MOD)) % MOD;
      |             ^
a.cc: In function 'int main()':
a.cc:45:9: error: 'cin' was not declared in this scope
   45 |         cin>>x>>y;
      |         ^~~
a.cc:48:7: error: 'cout' was not declared in this scope
   48 |       cout<<0;
      |       ^~~~
a.cc:56:7: error: 'cout' was not declared in this scope
   56 |       cout<<0;
      |       ^~~~
a.cc:59:9: error: 'cout' was not declared in this scope
   59 |         cout<<com(n,r,p);
      |         ^~~~
Language: C++

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<n;++i)
#include<string>
using namespace std;
typedef long long ll;
ll MOD = 1e9 + 7;

ll comb(ll x, ll y) {
	if (x < y)return 0;
	if (x < 0 || y < 0)return 0;
	return
}
int main() {
	ll X, Y;
	cin >> X >> Y;
	ll total = X + Y;
	ll n = (2 * Y - X) / 3;
	ll m = (2 * X - Y) / 3;
	ll ans = 1;
	if (total % 3 != 0)cout << 0 << endl;
	else if (n < 0 || m < 0)cout << 0 << endl;
	else {
		for (ll i = 1;i <= n + m;++i) {
			ans *= i;
		}
		for (ll j = 1;j <= m;++j) {
			ans *= j;
		}
		for (ll k = 1;k <= n;++k) {
			ans /= k;
		}
		cout << ans % MOD << endl;
	}
}

Compiler output:
a.cc: In function 'll comb(ll, ll)':
a.cc:12:1: error: expected primary-expression before '}' token
   12 | }
      | ^
a.cc:11:15: error: expected ';' before '}' token
   11 |         return
      |               ^
      |               ;
   12 | }
      | ~
Language: C++

#include <iostream>
#include <vector>

using namespace std;

template <int MOD>
class mod_calc
{
public:
	mod_calc(int n)
		: m_fact(n + 1)
		, m_ifact(n + 1)
	{
		m_fact[0] = 1;

		for (int i = 1; i <= n; ++i) {
			m_fact[i] = mul(m_fact[i - 1], i);
		}

		m_ifact[n] = inv(m_fact[n]);
		for (int i = n - 1; i >= 0; --i) {
			m_ifact[i] = mul(i + 1, m_ifact[i + 1]);
		}
	}

	int pow(int a, int n) const
	{
		if (n == 0) {
			return 1;
		}
		int t = pow(mul(a, a), n / 2);
		if (n % 2 != 0) {
			t = mul(t, a);
		}
		return t;
	}

	int inv(int n) const
	{
		return pow(n, MOD - 2);
	}

	int mul(int x, int y) const
	{
		return (1LL * x * y) % MOD;
	}

	int fact(int n) const
	{
		return m_fact[n];
	}

	int ifact(int n) const
	{
		return m_ifact[n];
	}

	int comb(int n, int r) const
	{
		int ans = fact(n);
		ans = mul(ans, ifact(n - r));
		ans = mul(ans, ifact(r));
		return ans;
	}

public:
	vector<int> m_fact;
	vector<int> m_ifact;
};

double distance(int N, const vector<double> &x, const vector<double> &y, const vector<int> &idx)
{
	double ans = 0;
	for (int i = 0; i + 1 < N; ++i) {
		double dx = x[idx[i]] - x[idx[i + 1]];
		double dy = y[idx[i]] - y[idx[i + 1]];
		ans += sqrt(dx * dx + dy * dy);
	}
	return ans;
}

int solve(int X, int Y)
{
	if ((X + Y) % 3 != 0) {
		return 0;
	}
	if (Y < X) {
		swap(X, Y);
	}
	int a = (X + Y) / 3;

	if (X < a) {
		return 0;
	}
	mod_calc<1000 * 1000 * 1000 + 7> m(1000000);
	return m.comb(a, X - a);
}

int main()
{
	int X, Y;
	cin >> X >> Y;
	cout << solve(X, Y) << endl;
}


Compiler output:
a.cc: In function 'double distance(int, const std::vector<double>&, const std::vector<double>&, const std::vector<int>&)':
a.cc:77:24: error: 'sqrt' was not declared in this scope
   77 |                 ans += sqrt(dx * dx + dy * dy);
      |                        ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
long long mod = 1000000007;
int power(int x, int y, int p) 
{ 
    int res = 1;      // Initialize result 
  
    x = x % p;  // Update x if it is more than or 
                // equal to p 
  
    while (y > 0) 
    { 
        // If y is odd, multiply x with result 
        if (y & 1) 
            res = (res*x) % p; 
  
        // y must be even now 
        y = y>>1; // y = y/2 
        x = (x*x) % p; 
    } 
    return res; 
} 
  
// Returns n^(-1) mod p 
int modInverse(int n, int p) 
{ 
    return power(n, p-2, p); 
} 
  
// Returns nCr % p using Fermat's little 
// theorem. 
int comb(int n, int r, int p) 
{ 
   // Base case 
   if (r==0) 
      return 1; 
  
    // Fill factorial array so that we 
    // can find all factorial of r, n 
    // and n-r 
    int fac[n+1]; 
    fac[0] = 1; 
    for (int i=1 ; i<=n; i++) 
        fac[i] = fac[i-1]*i%p; 
  
    return (fac[n]* modInverse(fac[r], p) % p * 
            modInverse(fac[n-r], p) % p) % p; 
} 
int main(){
	int x,y;
	cin >> x >> y;
	if(((x+y)%3) != 0) cout << "0";
	else{
		int n = (x+y)/3;
      	int r = min(x,y) - n;
      	cout << comb(n,r,mod);
		}
	}
}


Compiler output:
a.cc:59:1: error: expected declaration before '}' token
   59 | }
      | ^
Language: C++

#include<bits/stdc++.h>

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

using namespace std;

#define MOD 1000000007

// x^n in mod
ll mod_pow_r(ll x, ll n){
  if(n==0) return 1;

  if(n%2==0){
    return mod_pow(x*x%MOD, n/2) % MOD;
  }else{
    return x * mod_pow(x, (n-1)) % MOD;
  }
}

ll mod_pow(ll x, ll n){
  if(x==0)return 0;
  if(n==0) return 1;

  ll ret = 1;
  while(n){
    if(n&1) ret=ret*x%MOD;
    n /= 2;
    x=x*x%MOD;
  }
  
  return ret;
}


ll fac(ll n){
  ll res = 1;
  rep(i, n){
    res *= (i+1);
    res %= MOD;
  }
  return res;
}

// nCr
ll comb(ll n, ll r){
  ll fn = fac(n);
  ll fr = fac(r);
  ll fn_r = fac(n-r);
  
  ll d = (mod_pow(fr, MOD-2)*mod_pow(fn_r, MOD-2))%MOD;
  ll u = fn%MOD;
  
//  cout<<fn<<' '<<mod_pow(fr, MOD-2)<<' '<<mod_pow(fn_r, MOD-2)<<endl;
//  cout<<u<<' '<<d<<endl;
  
  return u * d % MOD;
}

int main(){
  ll x,y;
  cin>>x>>y;
  
  if((x+y)%3!=0){
    cout<<0;
    return 0;
  }

  ll k = x-(x+y)/3;
  ll l = y-(x+y)/3;

//  cout<<k<<' '<<l<<endl;
  cout<<comb(k+l, k);
  

  return 0;
}

Compiler output:
a.cc: In function 'long long int mod_pow_r(long long int, long long int)':
a.cc:15:12: error: 'mod_pow' was not declared in this scope; did you mean 'mod_pow_r'?
   15 |     return mod_pow(x*x%MOD, n/2) % MOD;
      |            ^~~~~~~
      |            mod_pow_r
a.cc:17:16: error: 'mod_pow' was not declared in this scope; did you mean 'mod_pow_r'?
   17 |     return x * mod_pow(x, (n-1)) % MOD;
      |                ^~~~~~~
      |                mod_pow_r
Language: C++

#include <iostream>
#include <cmath>
#include <vector>
#include <string>
#include <ctime>
#include <climits>
#include <iomanip>
#include <fstream>
#include <sstream>
#include <algorithm>
#include <utility>
#include <cstdlib>

using namespace std;
long int pow107 = (int)pow(10, 9) + 7;
int ilimit = INT_MAX;
long int llimit = LONG_MAX;

const int MAX = 510000;
const int MOD = 1000000007;

long long fac[MAX], finv[MAX], inv[MAX];

bool ffff = true;

// テーブルを作る前処理
void COMinit() {
    fac[0] = fac[1] = 1;
    finv[0] = finv[1] = 1;
    inv[1] = 1;
    for (int i = 2; i < MAX; i++){
        fac[i] = fac[i - 1] * i % MOD;
        inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD;
        finv[i] = finv[i - 1] * inv[i] % MOD;
    }
}

// 二項係数計算
long long COM(int n, int k){

    if (n < k) return 0;
    if (n < 0 || k < 0) return 0;
    return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}

bool comp(pair<int, int> a, pair<int, int> b){
    if(a.first != b.first) return a.first > b.first;
    else return a.second < b.second;
}

long int jou(long int x, long int y){
    long int f = 1;
    for(int i = 0; i < y; ++i){
        f = f * x % pow107;
    }
    return f;
}

bool pn(long int x){
    if(x != 2 && x % 2 == 0)
        return false;
    for(int i = 3; i < x; ++i){
        if(x != i && x % i == 0)
            return false;
    }
    return true;
}

long int factorial(long int n){
    long int f = 1;
    for(long int i = 1; i <= n; ++i){
        f = f * i % pow107;
    }
    return f;
}

long int Func2(long int n,long int m){
    long int s2 = 1,
        r = 1;


    for(long int i = 1; i <= m; ++i){
        s2 = (s2*(n - (i - 1))/i) % (pow107);
    }

    return s2;
}

//long intの最大llimit
//intの最大ilimit
//10^9+7    pow107
//素数pn
//n乗jou
//階乗factorial
//コンビネーションFunc2

int main(){
    COMinit();
    long int x,y;
    cin >> x >> y;
    if((x + y) % 3 != 0){
        cout << 0 << endl;
        return 0;
    }

    long int m = (2*x - y) / 3;
    long int n = x - 2 * m;

    m=(2x-y)/3
    n=x-2m

    if(m < 0 || n < 0){
        cout << 0 << endl;
        return 0;
    }
    //cout << n <<" " << m << endl;

    cout << COM(n+m,n) << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:109:8: error: unable to find numeric literal operator 'operator""x'
  109 |     m=(2x-y)/3
      |        ^~
Language: C++

#include <bits/stdc++.h>
#include <cstdio>
#include <vector>
#include <iostream>
#include <utility>

#define fir first
#define sec second
#define get(n) scanf("%d",&n);
#define gets(s) string s;cin >> (s);
#define All(s) (c).begin(), (c).end()
#define chmin(x, y) x = min(x, y);
#define chmax(x, y) x = max(x, y);
#define rep(i, j) for (int (i)=0;(i)<(j);(i)++)
#define dump(x)  cout << #x << " = " << (x) << endl;
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
using namespace std;
typedef long long int ll;

int X, Y;

int nCm (int n, int m) {//nの階乗をを求める
    if(n != m) {
        int a = n*nCm(n-1, m);
        return a;
    }
    return m;
}

void input() {
    cin >> X >> Y;
}
void solve () {
    input();
    int n = X+Y;
    if(0 != n%3) {
        cout << 0 << endl;
        return;
    }
    int a = n /3;
    int ans = 0;
    int j = 0;
    while(j<=n){
        int i = n - j;
        if((2*j + i) == X && (j+ 2*i) == Y ){
            if(i<j) swap(i,j);
            int a = nCm(i+j, i)/nCm(i, 1);
            ans += a;
        }
    }
    cout << ans << endl;
    return;   
}

int main () {
    solve()
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:56:12: error: expected ';' before 'return'
   56 |     solve()
      |            ^
      |            ;
   57 |     return 0;
      |     ~~~~~~
Language: C++

#include <bits/stdc++.h>
#include <cstdio>
#include <vector>
#include <iostream>
#include <utility>

#define fir first
#define sec second
#define get(n) scanf("%d",&n);
#define gets(s) string s;cin >> (s);
#define All(s) (c).begin(), (c).end()
#define chmin(x, y) x = min(x, y);
#define chmax(x, y) x = max(x, y);
#define rep(i, j) for (int (i)=0;(i)<(j);(i)++)
#define dump(x)  cout << #x << " = " << (x) << endl;
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
using namespace std;
typedef long long int ll;

int X, Y;

int nCm (int n, int m) {//nの階乗をを求める
    if(n != m) {
        int a = n*nCm(n-1, m);
        return a;
    }
    return m;
}

void input() {
    cin >> X >> Y;
}
void solve () {
    input();
    int n = X+Y;
    if(0 != n%3) {
        cout << 0 << endl;
        return;
    }
    int a = n /3;
    int ans = 0;
    int j = 0;
    while(j<=n){
        int i = n - j;
        if((2*j + i) == X && (j+ 2*i) == Y ){
            int a = nCm(i+j, i)/nCm(i, 1);
            ans += a;
        }
    }
    cout << ans << endl;
    return;   
}

int main () {
    solve()
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:55:12: error: expected ';' before 'return'
   55 |     solve()
      |            ^
      |            ;
   56 |     return 0;
      |     ~~~~~~
Language: C++

#include <bits/stdc++.h>
#include <cstdio>
#include <vector>
#include <iostream>
#include <utility>

#define fir first
#define sec second
#define get(n) scanf("%d",&n);
#define gets(s) string s;cin >> (s);
#define All(s) (c).begin(), (c).end()
#define chmin(x, y) x = min(x, y);
#define chmax(x, y) x = max(x, y);
#define rep(i, j) for (int (i)=0;(i)<(j);(i)++)
#define dump(x)  cout << #x << " = " << (x) << endl;
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
using namespace std;
typedef long long int ll;

int X, Y;

int nCm (int n, int m) {//nの階乗をを求める
    if(n != m) {
        int a = n*kaizyou(n-1, m);
        return a;
    }
    return m;
}

void input() {
    cin >> X >> Y;
}
void solve () {
    input();
    int n = X+Y;
    if(0 != n%3) {
        cout << 0 << endl;
        return;
    }
    int a = n /3;
    int ans = 0;
    int j = 0;
    while(j<=n){
        int i = n - j;
        if((2*j + i) == X && (j+ 2*i) == Y ){
            int a = nCm(i+j, i)/nCm(i, 1);
            ans += a;
        }
    }
    cout << ans << endl;
    return;   
}

int main () {
    solve()
    return 0;
}



Compiler output:
a.cc: In function 'int nCm(int, int)':
a.cc:24:19: error: 'kaizyou' was not declared in this scope
   24 |         int a = n*kaizyou(n-1, m);
      |                   ^~~~~~~
a.cc: In function 'int main()':
a.cc:55:12: error: expected ';' before 'return'
   55 |     solve()
      |            ^
      |            ;
   56 |     return 0;
      |     ~~~~~~
Language: C++

#include <bits/stdc++.h>
#include <cstdio>
#include <vector>
#include <iostream>
#include <utility>

#define fir first
#define sec second
#define get(n) scanf("%d",&n);
#define gets(s) string s;cin >> (s);
#define All(s) (c).begin(), (c).end()
#define chmin(x, y) x = min(x, y);
#define chmax(x, y) x = max(x, y);
#define rep(i, j) for (int (i)=0;(i)<(j);(i)++)
#define dump(x)  cout << #x << " = " << (x) << endl;
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
using namespace std;
typedef long long int ll;

int X, Y;

int kaizyou(int n) {//nの階乗をを求める
    if(n != 1) {
        int a = n*kaizyou(n-1);
        return a;
    }
    return 1;
}

void input() {
    cin >> X >> Y;
}
void solve () {
    input();
    int n = X+Y;
    if(0 != n%3) {
        cout << 0 << endl;
        return;
    }
    int a = n /3;
    int ans = 0;
    int j = 0;
    while(j<=n){
        int i = n - j;
        if((2*j + i) == X && (j+ 2*i) == Y ){
            int a = kaizyou(i+j) / (kaizyou(i) + kaizyou(j));
            ans += a;
        }
    }
    cout << ans << endl;
    return;   
}

int main () {
    solve()
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:55:12: error: expected ';' before 'return'
   55 |     solve()
      |            ^
      |            ;
   56 |     return 0;
      |     ~~~~~~
Language: C++

#include <bits/stdc++.h>
#include <cstdio>
#include <vector>
#include <iostream>
#include <utility>

#define fir first
#define sec second
#define get(n) scanf("%d",&n);
#define gets(s) string s;cin >> (s);
#define All(s) (c).begin(), (c).end()
#define chmin(x, y) x = min(x, y);
#define chmax(x, y) x = max(x, y);
#define rep(i, j) for (int (i)=0;(i)<(j);(i)++)
#define dump(x)  cout << #x << " = " << (x) << endl;
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
using namespace std;
typedef long long int ll;

int X, Y;

int kaizyou(int n) {//nの階乗をを求める
    if(n != 1) {
        int a = n*kaizyou(n-1);
        return a;
    }
    return 1;
}

void input() {
    cin >> X >> Y;
}
void solve () {
    input();
    int n = X+Y;
    if(0 != n%3) {
        cout << 0 << endl;
        return;
    }
    int a = n /3;
    int ans = 0;
    int j = 0;
    while(j<=N){
        int i = n - j;
        if((2*j + i) == X && (j+ 2*i) == Y ){
            int a = kaizyou(i+j) / (kaizyou(i) + kaizyou(j));
            ans += a;
        }
    }
    cout << ans << endl;
    return;   
}

int main () {
    solve()
    return 0;
}



Compiler output:
a.cc: In function 'void solve()':
a.cc:43:14: error: 'N' was not declared in this scope
   43 |     while(j<=N){
      |              ^
a.cc: In function 'int main()':
a.cc:55:12: error: expected ';' before 'return'
   55 |     solve()
      |            ^
      |            ;
   56 |     return 0;
      |     ~~~~~~
Language: C++

#include"bits/stdc++.h"
using namespace std;
using ll=long long;
using ull=unsigned long long;
constexpr auto inf=static_cast<ll>(1e18);
template<typename T=ll>inline T in(){T ret;cin>>ret;return ret;}
template<typename T=ll>inline auto vec2(size_t h,size_t w,T v=T()){return vector<vector<T>>(h,vector<T>(w,v));}
inline void setp(int n){cout<<fixed<<setprecision(n);}
inline void delnl(){cin.ignore(numeric_limits<streamsize>::max(),'\n');}

class mod_int{
    private:
        ull num;
        static ull pow_mod(ull x,ull y){x%=mod;return y==0?1:y%2==0?pow_mod(x*x,y/2):x*pow_mod(x,y-1)%mod;}
    public:
        static ull mod;
        mod_int()=default;
        mod_int(ull num):num(num%mod){}
        explicit operator ull()             const{return num;}
        bool    operator==(const mod_int&mi)const{return num==mi.num;}
        bool    operator!=(const mod_int&mi)const{return !operator==(mi);}
        mod_int operator~ ()                const{return pow_mod(num,mod-2);}
        mod_int operator+ (const mod_int&mi)const{return num+mi.num;}
        mod_int operator- (const mod_int&mi)const{return num-mi.num+mod;}
        mod_int operator* (const mod_int&mi)const{return num*mi.num;}
        mod_int operator/ (const mod_int&mi)const{return num*(~mi).num;}
        mod_int&operator+=(const mod_int&mi)     {return*this=operator+(mi);}
        mod_int&operator-=(const mod_int&mi)     {return*this=operator-(mi);}
        mod_int&operator*=(const mod_int&mi)     {return*this=operator*(mi);}
        mod_int&operator/=(const mod_int&mi)     {return*this=operator/(mi);}
};
ull mod_int::mod==1000000007;
mod_int factorial_mod(ull n)
{
    mod_int ret=1;
    for(ull i=1;i<=n;++i){
        ret*=i;
    }
    return ret;
}
int main()
{
    ll x=in(),y=in();
    if((2*y-x)%3!=0||(2*x-y)%3!=0){
        cout<<0<<endl;
    }else{
        ll a=(2*y-x)/3,b=(2*x-y)/3;
        if(a<0||b<0){
            cout<<0<<endl;
            return 0;
        }
        cout<<(ull)(factorial_mod(a+b)*~(factorial_mod(a)*factorial_mod(b)))<<endl;
    }
}


Compiler output:
a.cc:32:17: error: expected initializer before '==' token
   32 | ull mod_int::mod==1000000007;
      |                 ^~
Language: Java

import java.math.BigInteger;
import java.util.*;

public class Main {

    public static void main(String[] args) {
        // write your code here
        Scanner sc = new Scanner(System.in);

        long x = sc.nextLong();
        long y = sc.nextLong();
        long xySum = x + y;

        long ans = 0;

        if ((xySum) % 3 == 0) {
            long mod = 1000000007;

            long b = (2 * x - y) / 3;
            long a = x - 2 * b;

            if (a >= 0 && b >= 0) {
                long bunshi = 1;
                for (long i = a + b; i > a + b - Math.min(a , b); i--) {
                    bunshi = bunshi * i % mod;
                }
                long bunbo = 1;
                for (long i = Math.min(a, b); i > 0; i--) {
                    bunbo = bunbo * i % mod;
                }
                BigInteger gyakugen = new BigInteger(String.valueOf(bunbo)).modInverse(new BigInteger(String.valueOf(mod)));
                BigInteger ansD = gyakugen.multiply(new BigInteger(String.valueOf(bunshi))).mod(new BigInteger(String.valueOf(mod)));
                ans = ansD.longValue();
            }
        }

        System.out.println(ans);
    }

Compiler output:
Main.java:38: error: reached end of file while parsing
    }
     ^
1 error