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

#include"bits/stdc++.h"
using namespace std;
typedef long long ll;
#define int               long long
#define ff                first
#define ss                second
#define md                1000000007
#define md1               998244353
#define inf               1000000000000000
#define minf              -1000000000000000
#define pb                push_back
#define ppb               pop_back
#define in                insert
#define mkp               make_pair
#define mpll              map<ll,ll>
#define len(p)            (ll)p.size()
#define pll               pair<ll,ll>
#define all(v)            v.begin(),v.end()
#define mem(a,t)          memset(a,t,sizeof(a))
#define endl              "\n"
#define ar                array
#define vl                vector<ll>
#define vvl               vector<vl>
#define lb                lower_bound
#define ub                upper_bound
#define be()              begin()
#define en()              end()
#define vpll              vector<pair<ll,ll>>
#define f(i,yha,wha)      for(ll i=yha;i<wha;i++)
#define rf(i,wha,yha)     for(ll i=wha;i>=yha;i--)
#define f0(n)             for(ll i=0;i<n;i++)
#define f1(n)             for(ll i=1;i<=n;i++)
#define fg(i,yha,wha,gap) for(ll i=yha;i<wha;i+=gap)

void flash()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}


void solve()
{
    cin>>a>>b;
    cout<<a*b<<endl;

}

int32_t main()
{
    flash();
    int t;
    t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
    }
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:45:10: error: 'a' was not declared in this scope; did you mean 'ar'?
   45 |     cin>>a>>b;
      |          ^
      |          ar
a.cc:45:13: error: 'b' was not declared in this scope; did you mean 'ub'?
   45 |     cin>>a>>b;
      |             ^
      |             ub
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
int a,b
  cin >> a>>b;
  cout << a*b;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: expected initializer before 'cin'
    6 |   cin >> a>>b;
      |   ^~~
a.cc:7:13: error: 'b' was not declared in this scope
    7 |   cout << a*b;
      |             ^
Language: C++

#include <iostream>
#include <vector>
#include <cmath>
#include <limits.h>
#include <utility>
using ll=long long;
int main(){
    int a,b;
    cin>>a>>b;
    cout<<a*b<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    9 |     cin>>a>>b;
      |     ^~~
      |     std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout<<a*b<<endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:16: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |     cout<<a*b<<endl;
      |                ^~~~
      |                std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

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

typedef long long ll;
typedef pair<ll,ll> pi;
typedef vector <ll> vi;
typedef vector <pi> vpi;
#define f first
#define s second
#define FOR(i,s,e) for(ll i=s;i<=ll(e);++i)
#define DEC(i,s,e) for(ll i=s;i>=ll(e);--i)
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lbd(x, y) lower_bound(all(x), y)
#define ubd(x, y) upper_bound(all(x), y)
#define aFOR(i,x) for (auto i: x)
#define mem(x,i) memset(x,i,sizeof x)
#define fast ios_base::sync_with_stdio(false),cin.tie(0)

int main(){
	fast;
	int A,B;
	cin>>A>>B;
	cout<<A * B:
}



Compiler output:
a.cc: In function 'int main()':
a.cc:24:20: error: expected ';' before ':' token
   24 |         cout<<A * B:
      |                    ^
      |                    ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define _GLIBCXX_DEBUG
int64_t MOD=1000000007;

int main() {
  int a,b
    cin>>a>>b;
  cout<<a*b;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: expected initializer before 'cin'
    8 |     cin>>a>>b;
      |     ^~~
a.cc:9:11: error: 'b' was not declared in this scope
    9 |   cout<<a*b;
      |           ^
Language: C++

#include<bits/stdc++.h>
#include<iostream>
#define LL long long int
using namespace std;
int main()
{
/*	int t;
	cin>>t;
	while(t--)*/
	{
		LL a,b;
		cin>>a>>b;
		cout(LL)a*b<<"\n";
	
		
		
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:12: error: expected primary-expression before 'long'
    3 | #define LL long long int
      |            ^~~~
a.cc:13:22: note: in expansion of macro 'LL'
   13 |                 cout(LL)a*b<<"\n";
      |                      ^~
Language: C++

#include<bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
using namespace std;
typedef long long ll;
typedef pair<int,int>P;
const double eps = 1e-8;
const int NINF = 0xc0c0c0c0;
const int INF  = 0x3f3f3f3f;
const ll  mod  = 1e9 + 7;
const ll  N = 1e6 + 5;

void solve(){
	ll a,b;cin>>a>>b
	cout<<a*b<<'\n';
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	solve();
	return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:15:25: error: expected ';' before 'cout'
   15 |         ll a,b;cin>>a>>b
      |                         ^
      |                         ;
   16 |         cout<<a*b<<'\n';
      |         ~~~~
Language: C++

//If You think you are Bad...I'm your Dad 
#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast") 
#define int long long
#define IOS ios_base::sync_with_stdio(false);cin.tie(NULL);
#define pb push_back 
#define eb emplace_back
#define fn for(int i =0 ;i <n;i++)
#define fn1 for( int i =1;i<=n;i++)
#define fm for(int j =0 ;j <m;j++)
#define fm1 for(int j =1;j<=m;j++)
#define fi first
#define se second
#define endl '\n'
# define PI  3.14159265358979323846
#define MOD 1000000007
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
const int N = 2e6+5;
const int INF = 1e18L;
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1>
void __f(const char* name, Arg1&& arg1){
  cerr << name << ": " << arg1 << endl;
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args){
  const char* comma = strchr(names + 1, ',');
  cerr.write(names, comma - names) << ": " << arg1 << " |";
  __f(comma + 1, args...);
}
int ar[N];
int dp[N];
signed main(){
	// #ifndef ONLINE_JUDGE
	// freopen("input.txt","r",stdin);
	// freopen("output.txt","w",stdout);
	#endif
	IOS;
	int T=1;
	// cin >> T;
	while(T--){
		int a,b;
		cin >>a >>b;
		cout<<a*b;

	
	
	}
	return 0;
}

Compiler output:
a.cc:39:10: error: #endif without #if
   39 |         #endif
      |          ^~~~~
Language: C++

#include "iostream"
#include "climits"
#include "list"
#include "queue"
#include "stack"
#include "set"
#include "functional"
#include "algorithm"
#include "string"
#include "map"
#include "unordered_map"
#include "unordered_set"
#include "iomanip"
#include "cmath"
#include "random"
#include "bitset"
#include "cstdio"
#include "numeric"
#include "cassert"
#include "ctime"

using namespace std;
typedef long long ll;
typedef pair<int, int> P;
#define rep(begin, i, end) for (int i = begin; i < (int)(end); i++)
#define all(v) v.begin(), v.end()
const int MOD = 1000000007;

int main()
{
    ll A, B;
    cin >> A >> B;
    cour << A * B << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:5: error: 'cour' was not declared in this scope
   33 |     cour << A * B << endl;
      |     ^~~~
Language: C

#include<bits/stdc++.h>
using namespace std;
template <typename T> using vec = vector<T>;

int main()
{
    int a,b;
    cin >> a >> b;
    cout << a*b << endl;
}

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

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> P;

int main(){
    cin>> a >> b;
    cout << a * b << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: 'a' was not declared in this scope
    7 |     cin>> a >> b;
      |           ^
a.cc:7:16: error: 'b' was not declared in this scope
    7 |     cin>> a >> b;
      |                ^
Language: Java

#include <bits/stdc++.h>
#define len(x) (int) (x.size())
using namespace std;
typedef long long ll;

int main(){
    ll A, B;
    cout << A * B << '\n';
    
    return 0;
}

Compiler output:
Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include <bits/stdc++.h>
         ^
Main.java:2: error: illegal character: '#'
#define len(x) (int) (x.size())
^
Main.java:4: error: class, interface, enum, or record expected
typedef long long ll;
^
Main.java:8: error: not a statement
    cout << A * B << '\n';
                  ^
Main.java:6: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
  (use --enable-preview to enable unnamed classes)
6 errors
Language: C++

#include"bits/stdc++.h"
#define rep(i,n) for(ll i=0;i<n;++i)
#define ALL(x) x.begin(),x.end()

using namespace std;
typedef long long ll;

template<typename T>
T gcd(T a, T b) {
	if (a % b == 0) {
		return(b);
	}
	else {
		return(gcd(b, a % b));
	}
}

template<typename T>
T lcm(T a, T b) {
	return a / gcd(a, b) * b;
}

struct Deep {
	ll all;
	ll notreef;
	ll reef;
};

int main(void) {
	int a, b;
	cin >> a >> B;
	cout << a * b;
}

/*

*/


Compiler output:
a.cc: In function 'int main()':
a.cc:31:21: error: 'B' was not declared in this scope
   31 |         cin >> a >> B;
      |                     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
 int ;
 cin >> A,B;
 cout<< A*B <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:2: error: declaration does not declare anything [-fpermissive]
    4 |  int ;
      |  ^~~
a.cc:5:9: error: 'A' was not declared in this scope
    5 |  cin >> A,B;
      |         ^
a.cc:5:11: error: 'B' was not declared in this scope
    5 |  cin >> A,B;
      |           ^
Language: C++

include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b;cin >> a >> b;
  cout << a*b << "\n";
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:4:11: error: 'cin' was not declared in this scope
    4 |   int a,b;cin >> a >> b;
      |           ^~~
a.cc:5:3: error: 'cout' was not declared in this scope
    5 |   cout << a*b << "\n";
      |   ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using ld=long double;
using ii=pair<ll,ll>;
using vi=vector<ll>;

#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF (ll)1e18
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define print(a); for(auto x:a)cout<<x<<" "; cout<<"\n";
#define mset(a); memset(a,0,sizeof(a));

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
  	cout<<a*b<<"\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:15: error: 'a' was not declared in this scope
   20 |         cout<<a*b<<"\n";
      |               ^
a.cc:20:17: error: 'b' was not declared in this scope; did you mean 'pb'?
   20 |         cout<<a*b<<"\n";
      |                 ^
      |                 pb
Language: C

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

int main() {
    int a,b;
    cin >> a >> b;
    cout << a * b << endl;
    return 0;
}

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

#include<bits/stdc++.h>
using namespace std;
int main(){
    long long a,b,c,d,e,f,i,g[101],h=999999999,j,clo1,clo2,ans,h1,h2,m1,m2,t,m,n,x=0,k,y=0,y1,y2,y3,y4,y5,y6,y7,y8,y9,y10,y11,y12,y13,y14,y15,y16,y17,y18,y19,y20,y21,y22,y23,y24,y25,x1;
    string s,s1="PD",s2='P',s3="DP",s4='D',s5,s6;
    cin>>a>>b;
    cout<<a*b;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:25: error: conversion from 'char' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
    5 |     string s,s1="PD",s2='P',s3="DP",s4='D',s5,s6;
      |                         ^~~
a.cc:5:40: error: conversion from 'char' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
    5 |     string s,s1="PD",s2='P',s3="DP",s4='D',s5,s6;
      |                                        ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(),(x).end()
using ll=long long;

int main(){
    ll n,m,i,j;
    string s,t;
    cin>>n>>m;
    cout<<a*b;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: 'a' was not declared in this scope
   10 |     cout<<a*b;
      |           ^
a.cc:10:13: error: 'b' was not declared in this scope
   10 |     cout<<a*b;
      |             ^
Language: C++

#include <bits/stdc++.h>

#define pb push_back
#define fi first
#define se second
#define eb emplace_back

using namespace std;

typedef pair<int, int> ii;
typedef long long ll;
const int N = 1000007, inf = 0x3f3f3f3f;

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
  	cin >> a >> b;
  cout << a * b << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:16: error: 'a' was not declared in this scope
   16 |         cin >> a >> b;
      |                ^
a.cc:16:21: error: 'b' was not declared in this scope
   16 |         cin >> a >> b;
      |                     ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

using V = vector<int>;
using Q = queue<int>;
using Graph = vector<vector<int>>;

#define sz(x) ((int)(x).size())
#define in(x) int x;cin>>x
#define inn(x, y) int x,y;cin>>x>>y
#define innn(x, y, z) int x,y,z;cin>>x>>y>>z
#define bit(n) (1<<(n))

#define out(x) cout<<(x)<<endl
#define outt(x,y) cout<<(x)<<" "<<(y)<<endl
#define err(x) cerr<<(x)<<endl
#define errr(x,y) cerr<<(x)<<" "<<(y)<<endl
#define errrr(x,y,z) cerr<<(x)<<" "<<(y)<<" "<<(z)<<endl

#define rep(i,n) for (int i=0;i<(n);i++)
#define repp(i,n) for (int i=1;i<=(n);i++)
#define reppp(j, i, n) for (int j=i+1; j<n; j++)

#define lim5 200010
#define lim9 1000000010

#define deg(_rad) (((_rad)/2/M_PI)*360)
#define rad(_deg) (((_deg)/360)*2*M_PI)
#define mid(min, max) ((min + max) / 2)

int main() {
	in(a, b);
	out(a * b);

    return 0;
}


Compiler output:
a.cc:35:16: error: macro "in" passed 2 arguments, but takes just 1
   35 |         in(a, b);
      |                ^
a.cc:12:9: note: macro "in" defined here
   12 | #define in(x) int x;cin>>x
      |         ^~
a.cc: In function 'int main()':
a.cc:35:9: error: 'in' was not declared in this scope
   35 |         in(a, b);
      |         ^~
a.cc:36:13: error: 'a' was not declared in this scope
   36 |         out(a * b);
      |             ^
a.cc:17:23: note: in definition of macro 'out'
   17 | #define out(x) cout<<(x)<<endl
      |                       ^
a.cc:36:17: error: 'b' was not declared in this scope
   36 |         out(a * b);
      |                 ^
a.cc:17:23: note: in definition of macro 'out'
   17 | #define out(x) cout<<(x)<<endl
      |                       ^
Language: C++

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define ld long double
#define endl '\n'
#define vi vector<int>
#define vvi vector<vi>
#define pii pair<int, int>
#define vpii vector<pii>
#define gr vector<vpii>
#define str string
#define mask vector<bool>
#define vs vector<str>
#define pq priority_queue
#define ordered_set_of(T) tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>
#define fi first
#define se second
#define sz(x) (int)((x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define nub(x) x.resize(unique(all(x)) - x.begin())
#define TWO class T1, class T2
#define YES cout << "YES" << endl
#define NO cout << "NO" << endl
#define GAME_OVER return 0
using namespace std;
using namespace __gnu_pbds;
char _$ = ' ';
struct sep {sep(char c) {_$ = c;}};
ostream& operator<<(ostream& o, sep s) {return o;}
template<TWO> ostream& operator<<(ostream& o, pair<T1, T2> x) {return o << x.fi << ' ' << x.se;}
template<TWO> istream& operator>>(istream& i, pair<T1, T2>& x) {return i >> x.fi >> x.se;}
template<class T> ostream& operator<<(ostream& o, vector<T> x) {for (auto it : x) o << it << _$; return o;}
template<class T> istream& operator>>(istream& i, vector<T>& x) {for (auto& it : x) i >> it; return i;}
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    int a, b;
    cin >> a >> b;
    cout << a * b << endll
    GAME_OVER;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:42:22: error: 'endll' was not declared in this scope; did you mean 'endl'?
   42 |     cout << a * b << endll
      |                      ^~~~~
      |                      endl
Language: C++

#include <bits/stdc++.h>

#define llint long long int

using namespace std;

int main(){
    int A, B;

    cin << A * b << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:16: error: 'b' was not declared in this scope
   10 |     cin << A * b << endl;
      |                ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using LL = long long int;
#define incID(i, l, r) for(int i = (l)    ; i <  (r); ++i)
#define decID(i, l, r) for(int i = (r) - 1; i >= (l); --i)
#define incII(i, l, r) for(int i = (l)    ; i <= (r); ++i)
#define decII(i, l, r) for(int i = (r)    ; i >= (l); --i)
#define inc(i, n)  incID(i, 0, n)
#define dec(i, n)  decID(i, 0, n)
#define inc1(i, n) incII(i, 1, n)
#define dec1(i, n) decII(i, 1, n)
#define inID(v, l, r) ((l) <= (v) && (v) <  (r))
#define inII(v, l, r) ((l) <= (v) && (v) <= (r))
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define MT make_tuple
#define FI first
#define SE second
#define FR front()
#define BA back()
#define ALL(v) v.begin(), v.end()
#define RALL(v) v.rbegin(), v.rend()
auto setmin   = [](auto & a, auto b) { return (b <  a ? a = b, true : false); };
auto setmax   = [](auto & a, auto b) { return (b >  a ? a = b, true : false); };
auto setmineq = [](auto & a, auto b) { return (b <= a ? a = b, true : false); };
auto setmaxeq = [](auto & a, auto b) { return (b >= a ? a = b, true : false); };
#define SI(v) static_cast<int>(v.size())
#define RF(e, v) for(auto & e: v)
#define until(e) while(! (e))
#define if_not(e) if(! (e))
#define ef else if
#define UR assert(false)
#define IN(T, ...) T __VA_ARGS__; IN_(__VA_ARGS__);
void IN_() { };
template<typename T, typename ... U> void IN_(T &  a, U &  ... b) { cin >> a; IN_(b ...); };
template<typename T                > void OUT(T && a            ) { cout << a << endl; }
template<typename T, typename ... U> void OUT(T && a, U && ... b) { cout << a << " "; OUT(b ...); }

// ---- ----

int main() {
	IN(int, a, b);
	OUT(a * b;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:44:18: error: expected ')' before ';' token
   44 |         OUT(a * b;
      |            ~     ^
      |                  )
Language: C++

#include <bits/stdc++.h>

using namespace std;

#define x first
#define y second
#define mp make_pair
#define pb push_back

typedef long long ll;

const ll MOD = 1e9+7;
const ll INF = 1e9+5;

int main() {
	int a, b;
  cinn >>a>>b;
  cout <<a*b<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:3: error: 'cinn' was not declared in this scope
   17 |   cinn >>a>>b;
      |   ^~~~
Language: C++

#include <stdio.h>
#include <stdlib.h>
#define size 1000000
int main()
{
    long long n,a[size],sum=10000000000000000000,i,c = 1;
    scanf("%lld",&n);
    for(i=0;i<n;i++){
      scanf("%lld",&a[i]);}
     for(i=0,i<n,i++){
        c *= a[i];
     }
      if(c>sum)printf("-1\n");
      else printf("%lld\n",c);
    return 0;
}



Compiler output:
a.cc:6:29: warning: integer constant is so large that it is unsigned
    6 |     long long n,a[size],sum=10000000000000000000,i,c = 1;
      |                             ^~~~~~~~~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:10:21: error: expected ';' before ')' token
   10 |      for(i=0,i<n,i++){
      |                     ^
      |                     ;
a.cc:13:7: error: expected primary-expression before 'if'
   13 |       if(c>sum)printf("-1\n");
      |       ^~
a.cc:12:7: error: expected ';' before 'if'
   12 |      }
      |       ^
      |       ;
   13 |       if(c>sum)printf("-1\n");
      |       ~~
a.cc:13:7: error: expected primary-expression before 'if'
   13 |       if(c>sum)printf("-1\n");
      |       ^~
a.cc:12:7: error: expected ')' before 'if'
   12 |      }
      |       ^
      |       )
   13 |       if(c>sum)printf("-1\n");
      |       ~~
a.cc:10:9: note: to match this '('
   10 |      for(i=0,i<n,i++){
      |         ^
Language: C++

#include <stdio.h>
#include <stdlib.h>
#define size 1000000
int main()
{
    long long n,a[size],sum=10000000000000000000,i,c = 1;
    scanf("%lld",&n);
    for(i=0,i<n,i++){
      scanf("%lld",&a[i]);}
     for(i=0,i<n,i++){
        c *= a[i];
     }
      if(c>sum)printf("-1\n");
      else printf("%lld\n",c);
    return 0;
}



Compiler output:
a.cc:6:29: warning: integer constant is so large that it is unsigned
    6 |     long long n,a[size],sum=10000000000000000000,i,c = 1;
      |                             ^~~~~~~~~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:8:20: error: expected ';' before ')' token
    8 |     for(i=0,i<n,i++){
      |                    ^
      |                    ;
a.cc:10:6: error: expected primary-expression before 'for'
   10 |      for(i=0,i<n,i++){
      |      ^~~
a.cc:9:28: error: expected ';' before 'for'
    9 |       scanf("%lld",&a[i]);}
      |                            ^
      |                            ;
   10 |      for(i=0,i<n,i++){
      |      ~~~                    
a.cc:10:6: error: expected primary-expression before 'for'
   10 |      for(i=0,i<n,i++){
      |      ^~~
a.cc:9:28: error: expected ')' before 'for'
    9 |       scanf("%lld",&a[i]);}
      |                            ^
      |                            )
   10 |      for(i=0,i<n,i++){
      |      ~~~                    
a.cc:8:8: note: to match this '('
    8 |     for(i=0,i<n,i++){
      |        ^
a.cc:10:21: error: expected ';' before ')' token
   10 |      for(i=0,i<n,i++){
      |                     ^
      |                     ;
a.cc:13:7: error: expected primary-expression before 'if'
   13 |       if(c>sum)printf("-1\n");
      |       ^~
a.cc:12:7: error: expected ';' before 'if'
   12 |      }
      |       ^
      |       ;
   13 |       if(c>sum)printf("-1\n");
      |       ~~
a.cc:13:7: error: expected primary-expression before 'if'
   13 |       if(c>sum)printf("-1\n");
      |       ^~
a.cc:12:7: error: expected ')' before 'if'
   12 |      }
      |       ^
      |       )
   13 |       if(c>sum)printf("-1\n");
      |       ~~
a.cc:10:9: note: to match this '('
   10 |      for(i=0,i<n,i++){
      |         ^
Language: C++

#include<stdio.h>
#define SIZE 1e18
int main()
{
    long long int n , a[SIZE] , i, p = 1;
    scanf("%lld", &n);
    for (i = 0; i < n ; i++)
    {
        scanf("%lld", &a[i]);
        p *= a[i];
    }

    if(p >= 1000000000000000001)
        printf("-1\n");
    else
        printf("%lld\n", p);

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:2:14: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
    2 | #define SIZE 1e18
      |              ^~~~
a.cc:5:25: note: in expansion of macro 'SIZE'
    5 |     long long int n , a[SIZE] , i, p = 1;
      |                         ^~~~
a.cc:2:14: error: could not convert '1.0e+18' from 'double' to 'long unsigned int'
    2 | #define SIZE 1e18
      |              ^~~~
      |              |
      |              double
a.cc:5:25: note: in expansion of macro 'SIZE'
    5 |     long long int n , a[SIZE] , i, p = 1;
      |                         ^~~~
a.cc:2:14: error: size of array 'a' has non-integral type 'double'
    2 | #define SIZE 1e18
      |              ^~~~
a.cc:5:25: note: in expansion of macro 'SIZE'
    5 |     long long int n , a[SIZE] , i, p = 1;
      |                         ^~~~
Language: C++

#include <stdio.h>
int main()
{
    int n;
    scanf("%d", &num);
    long long int arr[num],mul = 1;
    for (int i = 0; i < num; i++)
    {
        scanf("%lld", &arr[i]);
        if (arr[i] == 0)
        {
            printf("0\n");
            return 0;
        }
    }
    for (int i = 0; i < num; i++)
    {
        if (mul > 1000000000000000000/arr[i])
        {
            printf("-1\n");
            return 0;
        }
        mul *= arr[i];
    }
    printf("%lld\n", mul);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:18: error: 'num' was not declared in this scope; did you mean 'enum'?
    5 |     scanf("%d", &num);
      |                  ^~~
      |                  enum
a.cc:9:24: error: 'arr' was not declared in this scope
    9 |         scanf("%lld", &arr[i]);
      |                        ^~~
a.cc:18:39: error: 'arr' was not declared in this scope
   18 |         if (mul > 1000000000000000000/arr[i])
      |                                       ^~~
a.cc:23:16: error: 'arr' was not declared in this scope
   23 |         mul *= arr[i];
      |                ^~~
Language: C++

S2: J - Simple Multiplication
#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  long long int arr[n], max = 1e18, prod = 1, flag = 0, zero = 0;
  
  for (int i = 0; i < n; i++) {
    scanf("%lld", &arr[i]);
    flag = (arr[i] > max) ? 1 : flag;
    prod *= arr[i];
    (arr[i]) ? max /= arr[i] : zero = 1;
  }

  (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
  return 0;
}

Compiler output:
a.cc:1:3: error: found ':' in nested-name-specifier, expected '::'
    1 | S2: J - Simple Multiplication
      |   ^
      |   ::
a.cc:1:1: error: 'S2' does not name a type
    1 | S2: J - Simple Multiplication
      | ^~
a.cc: In function 'int main()':
a.cc:6:3: error: 'scanf' was not declared in this scope
    6 |   scanf("%d", &n);
      |   ^~~~~
a.cc:16:12: error: 'puts' was not declared in this scope
   16 |   (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
      |            ^~~~
a.cc:16:47: error: 'printf' was not declared in this scope
   16 |   (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
      |                                               ^~~~~~
a.cc:3:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
    2 | #include <stdio.h>
  +++ |+#include <cstdio>
    3 |
Language: C

#include <stdio.h>
long long a[100010];
int main(){
int n;
scanf("%d",&n);
for(int i=0;i<n;i++)scanf("%lld",&a[i]);
int zero=0;
2
for(int i=0;i<n;i++)if(a[i]==0)zero++;
if(zero >0){
// a[i] contains 0
printf("0\n");
return 0;
}
long long prod=1;
for(int i=0;i<n;i++){
if(a[i] <=1000000000000000000/prod){
// This condition is equivalent to prod*a[i]<=10ˆ18
prod*=a[i];
}else{
printf("-1\n");
return 0;
}
}
printf("%lld\n",prod);
}

Compiler output:
main.c: In function 'main':
main.c:8:2: error: expected ';' before 'for'
    8 | 2
      |  ^
      |  ;
    9 | for(int i=0;i<n;i++)if(a[i]==0)zero++;
      | ~~~
Language: C++

#include <bits/stdc++.h>
long long a[100010];
int main(){
int n;
scanf("%d",&n);
for(int i=0;i<n;i++)scanf("%lld",&a[i]);
int zero=0;
2
for(int i=0;i<n;i++)if(a[i]==0)zero++;
if(zero >0){
// a[i] contains 0
printf("0\n");
return 0;
}
long long prod=1;
for(int i=0;i<n;i++){
if(a[i] <=1000000000000000000/prod){
// This condition is equivalent to prod*a[i]<=10ˆ18
prod*=a[i];
}else{
printf("-1\n");
return 0;
}
}
printf("%lld\n",prod);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:2: error: expected ';' before 'for'
    8 | 2
      |  ^
      |  ;
    9 | for(int i=0;i<n;i++)if(a[i]==0)zero++;
      | ~~~
a.cc:9:13: error: 'i' was not declared in this scope
    9 | for(int i=0;i<n;i++)if(a[i]==0)zero++;
      |             ^
Language: C++

#include <stdio.h>
long long a[100010];
int main(){
int n;
scanf("%d",&n);
for(int i=0;i<n;i++)scanf("%lld",&a[i]);
int zero=0;
2
for(int i=0;i<n;i++)if(a[i]==0)zero++;
if(zero >0){
// a[i] contains 0
printf("0\n");
return 0;
}
long long prod=1;
for(int i=0;i<n;i++){
if(a[i] <=1000000000000000000/prod){
// This condition is equivalent to prod*a[i]<=10ˆ18
prod*=a[i];
}else{
printf("-1\n");
return 0;
}
}
printf("%lld\n",prod);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:2: error: expected ';' before 'for'
    8 | 2
      |  ^
      |  ;
    9 | for(int i=0;i<n;i++)if(a[i]==0)zero++;
      | ~~~
a.cc:9:13: error: 'i' was not declared in this scope
    9 | for(int i=0;i<n;i++)if(a[i]==0)zero++;
      |             ^
Language: C++

#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  long long int arr[n], maks = 1e18, product = 1, flag = 0, zero = 0;
  
  for (int i = 0; i < n; i++) {
    scanf("%lld", &arr[i]);
    flag = (arr[i] > maks) ? 1 : flag;
    product *= arr[i];
    (arr[i]) ? maks /= arr[i] : zero = 1;
  }

  (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:64: error: 'prod' was not declared in this scope
   15 |   (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
      |                                                                ^~~~
Language: C++

#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  long long int arr[n], maks = 1e18, product = 1, flag = 0, zero = 0;
  
  for (int i = 0; i < n; i++) {
    scanf("%lld", &arr[i]);
    flag = (arr[i] > max) ? 1 : flag;
    product *= arr[i];
    (arr[i]) ? maks /= arr[i] : zero = 1;
  }

  (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:22: error: 'max' was not declared in this scope
   10 |     flag = (arr[i] > max) ? 1 : flag;
      |                      ^~~
a.cc:15:64: error: 'prod' was not declared in this scope
   15 |   (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
      |                                                                ^~~~
Language: C

#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  long long int arr[n], max = 1e18, prod = 1, flag = 0, zero = 0;
  
  for (int i = 0; i < n; i++) 
  {
    scanf("%lld", &arr[i]);
    flag = (arr[i] > max) ? 1 : flag;
    prod *= arr[i];
    (arr[i]) ? max /= arr[i] : zero = 1;
  }

  (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:37: error: lvalue required as left operand of assignment
   13 |     (arr[i]) ? max /= arr[i] : zero = 1;
      |                                     ^
Language: C

#include <stdio.h>

int main()
{
    long long int t;
    scanf("%lld", &t);
    
    long long int num [t] = {0};
	lomg long int hasil=1;
    
    for (long long int i = 0; i < t; i++)
	{
        scanf("%lld", &num[i]); 
    }
    
    for (long long int i = 0; i < t; i++)
	{
        if (num[i] == 0)
		{
            printf("0\n");
            return 0;
        }
    }
        
    for (int i = 0; i < t; i++)
	{
        if(num[i] <= 1e18 / hasil)
		{
            hasil *= num[i];
        }
        else
		{
            printf("-1\n");
            return 0;
    	}
    }    
    
    printf("%lld",hasil);  
	 
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:29: error: variable-sized object may not be initialized except with an empty initializer
    8 |     long long int num [t] = {0};
      |                             ^
main.c:9:9: error: 'lomg' undeclared (first use in this function)
    9 |         lomg long int hasil=1;
      |         ^~~~
main.c:9:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:13: error: expected ';' before 'long'
    9 |         lomg long int hasil=1;
      |             ^~~~~
      |             ;
main.c:27:29: error: 'hasil' undeclared (first use in this function)
   27 |         if(num[i] <= 1e18 / hasil)
      |                             ^~~~~
Language: C

#include <stdio.h>

int main()
{
    long long int t;
    scanf("%lld", &t);
    
    long long int num [t] = {0}, hasil=1;
    
    for (long long int i = 0; i < t; i++)
	{
        scanf("%lld", &num[i]); 
    }
    
    for (long long int i = 0; i < t; i++)
	{
        if (num[i] == 0)
		{
            printf("0\n");
        }
    }
        
    for (int i = 0; i < t; i++)
	{
        if(num[i] <= 1e18 / hasil)
		{
            hasil *= num[i];
        }
        else
		{
            printf("-1\n");
    	}
    }    
    
    printf("%lld",hasil);  
	 
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:29: error: variable-sized object may not be initialized except with an empty initializer
    8 |     long long int num [t] = {0}, hasil=1;
      |                             ^
Language: C

#include <stdio.h>
int main() {
	int n;
	scanf("%d", &n);
	long long int arr[n], max = 1e18, aaa = 1, bbb = 0, ccc = 0;
	
	for (int i = 0; i < n; i++){
		scanf("&lld", &arr[i]);
		bbb = (arr[i] > max) ? 1 : bbb;
		aaa *= arr[i];
		(arr[i]) ? max /= arr[i] : ccc = 1;
	}
	(ccc) ? puts("0") : ((bbb) ? puts("-1") : printf("%lld\n", aaa));
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:48: error: lvalue required as left operand of assignment
   11 |                 (arr[i]) ? max /= arr[i] : ccc = 1;
      |                                                ^
Language: C

#include <stdio.h>
int main() {
	int n;
	scanf("%d", &n);
	long long int arr[n], max = 1e18, aaa = 1, bbb = 0, ccc = 0;
	
	for (int i = 0; i < n; i++){
		scanf("&lld", &abc[i]);
		bbb = (arr[i] > max) ? 1 : bbb;
		aaa *= arr[i];
		(arr[i]) ? max /= arr[i] : ccc = 1;
	}
	(ccc) ? puts("0") : ((bbb) ? puts("-1") : printf("%lld\n", aaa));
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:32: error: 'abc' undeclared (first use in this function)
    8 |                 scanf("&lld", &abc[i]);
      |                                ^~~
main.c:8:32: note: each undeclared identifier is reported only once for each function it appears in
main.c:11:48: error: lvalue required as left operand of assignment
   11 |                 (arr[i]) ? max /= arr[i] : ccc = 1;
      |                                                ^
Language: C

#include <stdio.h>
int main(){
	int n;
	scanf("%d", &n);
	long long int abc[n], max = 1e18, aaa = 1, bbb = 0, ccc = 0;
	
	for (int i = 0; i < n; i++){
		scanf("&lld", &abc[i]);
		bbb = (abc[i] > max) ? 1 : bbb;
		aaa *= abc[i];
		(abc[i]) ? max /= abc[i] : ccc = 1;
	}
	(ccc) ? puts("0") : ((bbb) ? puts("-1") : printf("%lld\n", aaa));
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:48: error: lvalue required as left operand of assignment
   11 |                 (abc[i]) ? max /= abc[i] : ccc = 1;
      |                                                ^
Language: C++

#include <stdio.h>
int main(){
	int n;
	scanf("%d", &n);
	long long int abc[n], max = 1e18, aaa = 1, bbb = 0, ccc = 0;
	
	for (int i = 0; i < n; i++){
		scanf("&lld", &abc[i]);
		bbb = (arr[i] > max) ? 1 : bbb;
		aaa *= abc[i];
		(abc[i]) ? max /= abc[i] : ccc = 1;
	}
	(ccc) ? puts("0") : ((bbb) ? puts("-1") : printf("%lld\n", aaa));
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:24: error: 'arr' was not declared in this scope
    9 |                 bbb = (arr[i] > max) ? 1 : bbb;
      |                        ^~~
Language: C

#include<stdio.h>

int main()
{
	int t;
	long long int a, max=1e18,flag=0,zero=0,prod=1;
	
	scanf("%d",&t);
	
	for (int i=0;i<t;i++)
	{
		scanf("%lld",&a);
		flag=(a>max) ? 1:flag;
		prod*=a;
		a=0 ? max/=a:zero=1;
	}
	if (zero==1)
	{
		printf("0\n");
	}
	
	else if (flag == 1)
	{
		printf("-1\n");
	}
	else
	{
		printf("%lld\n",prod);
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:34: error: lvalue required as left operand of assignment
   15 |                 a=0 ? max/=a:zero=1;
      |                                  ^
Language: C

#include<stdio.h>

int main()
{
	int t;
	long long int a, max=1e18,flag=0,zero=0,prod=1;
	
	scanf("%d",&t);
	
	for (int i=0;i<t;i++)
	{
		scanf("%lld",&a);
		flag=(a>max) ? 1:flag;
		prod*=a;
		a!=0 ? max/=a : zero=1;
	}
	if (zero==1)
	{
		printf("0\n");
	}
	
	else if (flag == 1)
	{
		printf("-1\n");
	}
	else
	{
		printf("%lld\n",prod);
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:37: error: lvalue required as left operand of assignment
   15 |                 a!=0 ? max/=a : zero=1;
      |                                     ^
Language: C

#include<stdio.h>

int main()
{
	int t;
	long long int a, max=1e18,flag=0,zero=0,prod=1;
	
	scanf("%d",&t);
	
	for (int i=0;i<t;i++)
	{
		scanf("%lld",&a);
		flag=(a>max) ? 1:flag;
		prod*=a;
		a!=0 ? max=max/a : zero=0;
	}
	if (zero==1)
	{
		printf("0\n");
	}
	
	else if (flag == 1)
	{
		printf("-1\n");
	}
	else
	{
		printf("%lld\n",prod);
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:40: error: lvalue required as left operand of assignment
   15 |                 a!=0 ? max=max/a : zero=0;
      |                                        ^
Language: C

#include<stdio.h>

int main()
{
	int t;
	long long int a, max=1e18,flag=0,zero=0,prod=1;
	
	scanf("%d",&t);
	
	for (int i=0;i<t;i++)
	{
		scanf("%lld",&a);
		flag=(a>max) ? 1:flag;
		prod*=a;
		a!=0 ? max=max/a : zero = 1;
	}
	if (zero==1)
	{
		printf("0\n");
	}
	
	else if (flag == 1)
	{
		printf("-1\n");
	}
	else
	{
		printf("%lld\n",prod);
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:41: error: lvalue required as left operand of assignment
   15 |                 a!=0 ? max=max/a : zero = 1;
      |                                         ^
Language: C

#include<stdio.h>

int main()
{
	int t;
	long long int a, max=1e18,flag=0,zero=0,prod=1;
	
	scanf("%d",&t);
	
	for (int i=0;i<t;i++)
	{
		scanf("%lld",&a);
		flag=(a>max) ? 1:flag;
		prod*=a;
		a!=0 ? max=max/a : zero = 1;
		
	}
	
	if (zero==1)
	{
		printf("0\n");
	}
	
	else if (flag == 1)
	{
		printf("-1\n");
	}
	else
	{
		printf("%lld\n",prod);
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:41: error: lvalue required as left operand of assignment
   15 |                 a!=0 ? max=max/a : zero = 1;
      |                                         ^
Language: C++

#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  
  long long int array[n], max = 1e18, product = 1, mark = 0, zero = 0;
  for (int i = 0; i < n; i++) {
    scanf("%lld", &array[i]);
    mark = (array[i] > max) ? 1 : mark;
    product *= array[i];
    (arr[i]) ? max /= array[i] : zero = 1;
  }

  (zero) ? puts("0") : ((mark) ? puts("-1") : printf("%lld\n", product));
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:6: error: 'arr' was not declared in this scope
   12 |     (arr[i]) ? max /= array[i] : zero = 1;
      |      ^~~
Language: C

#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  long long int arr[n], max = 1e18, prod = 1, flag = 0, zero = 0;
  
  for (int i = 0; i < n; i++) {
    scanf("%lld", &arr[i]);
    flag = (arr[i] > max) ? 1 : flag;
    prod *= arr[i];
    (arr[i]) ? max /= arr[i] : zero = 1;
  }

  (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
  return 0;
}	

Compiler output:
main.c: In function 'main':
main.c:12:37: error: lvalue required as left operand of assignment
   12 |     (arr[i]) ? max /= arr[i] : zero = 1;
      |                                     ^
Language: C

#include <stdio.h>

int main()
{
	int n;
	scanf("%d",&n);
	long long int a, max=1e18, prod = 1, flag = 0, zero = 0;
	for(int i=0; i<n; i++){
		scanf("%lld", &a);
		flag = (a>max) ? : flag;
		prod *=a;
		a != 0 ? max /= a : zero = 1;
	}
	if (zero == 1){
		printf("0\n");
	}
	else{
		if(flag == 1){
			printf("-1\n");
		}
		else{
			printf("%lld\n", prod);
		}
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:42: error: lvalue required as left operand of assignment
   12 |                 a != 0 ? max /= a : zero = 1;
      |                                          ^
Language: C

#include <stdio.h>

int main(){
	int a;
	scanf ("%d",&a);
	
	
	long long int arr[a],max= 1e18, prod =1 , flag = 0, zero = 0;
	for (int i=0;i<a;i++){
		scanf ("%lld",&arr[i]);
		flag = (arr[i] > max) ? 1 : flag;
		prod = prod * arr[i];
		(arr[i]) ? max /= arr[i] : zero = 1;
		
	}
	
	(zero) ? puts ("0") : ((flag) ? puts ("-1") : printf("%lld\n",prod));
		
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:49: error: lvalue required as left operand of assignment
   13 |                 (arr[i]) ? max /= arr[i] : zero = 1;
      |                                                 ^
Language: C++

int main(){
	long long int N, A[100000], M = 1;
	scanf("%lld",&N);
	if(N >= 2 && N <= 100000){
		for(int i = 0; i < N; i++){
		scanf("%lld",&A[i]);	
		M *= A[i];
		}
	}
	else{
		return 0;
	}
	(M < 0 || M > 1000000000000000000)?printf("%d\n",-1):printf("%lld\n", M);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:9: error: 'scanf' was not declared in this scope
    3 |         scanf("%lld",&N);
      |         ^~~~~
a.cc:13:44: error: 'printf' was not declared in this scope
   13 |         (M < 0 || M > 1000000000000000000)?printf("%d\n",-1):printf("%lld\n", M);
      |                                            ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main(){
Language: C

#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  long long int arr[n], max = 1e18, prod = 1, flag = 0, zero = 0;

  for (int i = 0; i < n; i++) {
    scanf("%lld", &arr[i]);
    flag = (arr[i] > max) ? 1 : flag;
    prod *= arr[i];
    (arr[i]) ? max /= arr[i] : zero = 1;
  }

  (zero) ? printf("0") : ((flag) ? printf("-1") : printf("%lld\n", prod));
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:37: error: lvalue required as left operand of assignment
   12 |     (arr[i]) ? max /= arr[i] : zero = 1;
      |                                     ^
Language: C

#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  long long int arr[n], max = 1e18, prod = 1, flag = 0, zero = 0;
  
  for (int i = 0; i < n; i++) {
    scanf("%lld", &arr[i]);
    flag = (arr[i] > max) ? 1 : flag;
    prod *= arr[i];
    (arr[i]) ? max /= arr[i] : zero = 1;
  }

  (zero) ? puts("0") : ((flag) ? puts("-1") : printf("%lld\n", prod));
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:37: error: lvalue required as left operand of assignment
   12 |     (arr[i]) ? max /= arr[i] : zero = 1;
      |                                     ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int  long long int
#define fi first
#define se second
#define pb push_back
#define soo(v) sort(v.rbegin(),v.rend())
#define so(v) sort(v.begin(),v.end())
#define lb(v,x) lower_bound(v.begin(),v.end(),x)
#define ub(v,x) upper_bound(v.begin(),v.end(),x)
#define endl '\n'
#define dbv(v) cout<<endl;cout<<#v<<"-->> ";for(auto it:v){cout<<it<<" ";}cout<<endl;
#define dbm(m)cout<<endl;cout<<#m<<"-->> ";for(auto it:m){cout<<it.fi<<" "<<it.se<<endl;}
#define dbs(s)cout<<endl;cout<<#s<<"-->> ";for(auto it:s){cout<<it<<" ";}cout<<endl;
#define mod 2019
#define db1(x) cout<<#x<<"="<<x<<endl;
#define db2(x,y) cout<<#x<<"="<<x<<","<<#y<<"="<<y<<endl;
#define db3(x,y,z) cout<<#x<<"="<<x<<","<<#y<<"="<<y<<","<<#z<<"="<<z<<endl;
#define mx 1e18
#define mxe(v) *max_element(v.begin(),v.end())
#define mne(v)  *min_element(v.begin(),v.end())
#define double long double
#define re(s) reverse(s.begin(),s.end())
#define io std::ios::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL);
int powe(int x,int n)
{
  if(n==0)return 1;
  if(n%2==0)
    return powe((x%mod*x%mod)%mod,n/2)%mod;
  return (x%mod*powe((x%mod*x%mod)%mod,(n-1)/2))%mod;
}
int gcd(int A,int B)
{
  if(B==0)return A;
  return gcd(B,A%B);
}
int32_t main()
{
  io
int n;
cin>>n;
int x;
int ans=1;int f=0;vector<int>v;
for(int i=0;i<n;i++)
{cin>>x;
  v.pb(x);if(x==0){f=1;break;}
}
if(f)
{
  cout<<"-1"<<endl;return 0;
}
for(int i=0;i<n;i++)
{
  x=a[i];
  if(ans*x>1e18)
  {
    cout<<"-1"<<endl;return 0;
  }
ans*=x;
}
cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:54:5: error: 'a' was not declared in this scope
   54 |   x=a[i];
      |     ^
Language: C

#include <stdio.h>
int main() {
	int n;
	scanf("%d", &n);
	long long int arr[n] = {0};
	for (int i = 0; i < n; i++)
	{
		scanf("%lld", &arr[i]);
		if (arr[i] == 0)
		{
			printf("0\n");
			return 0;
		}
	}
	long long int sum = 1;
	for (int i = 0; i < n; i++)
	{
		sum *= arr[i];
		if (sum > 1000000000000000000)
		{
			printf("-1\n");
			return 0;
		}
	}
	printf("%lld\n", sum);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:32: error: variable-sized object may not be initialized except with an empty initializer
    5 |         long long int arr[n] = {0};
      |                                ^
Language: C

#include<stdio.h>
 
int main()
{
  int n,i,mul=0;
  long long int a[100000],b=1;
  
  scanf("%d",&n);
  
  for(i=0;i<n;i++)
  {
  	scanf("%lld",&a[i]);
  	if(a[i]==0)
  	{
  		mul++;
	}
  }
  for(i=0;i<n;i++)
  {
  	if(a[i]<1e18/b){
  		b*=a[i];
  		printf("%lld\n",b);
	  }
	else{
		printf("-1\n");
		return 0;
	}
  }
  
  
  
  return 0; 


Compiler output:
main.c: In function 'main':
main.c:32:3: error: expected declaration or statement at end of input
   32 |   return 0;
      |   ^~~~~~
Language: C++

#include<stdio.h>

int main(){
	double N, A[100000],M =1;
	scanf("%lf", &N);
	if(N >= 2 && N <= 10e5){
		for(double i = 0; i < N; i++){
		scanf("%lf", &A[i]);
		M *= A[i];
	}
	}
	else{
		return 0;
	}
	(M < 0 || M > 10e18) ? printf("%d", -1) : printf("%.0lf", M);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:32: error: invalid types 'double [100000][double]' for array subscript
    8 |                 scanf("%lf", &A[i]);
      |                                ^
a.cc:9:23: error: invalid types 'double [100000][double]' for array subscript
    9 |                 M *= A[i];
      |                       ^
Language: Java

import java.util.*;

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

    int n = sc.nextInt();
    long[] a = new long[n];
    long ans = 1;

    for(int i = 0; i < n; i++){
      a[i] = sc.nextLong();
      ans *= a[i];
        if(ans > 1000000000000000000){
          ans = -1;
          break;
        }
    }

    System.out.println(ans);
  }
}


Compiler output:
Main.java:14: error: integer number too large
        if(ans > 1000000000000000000){
                 ^
1 error
Language: Java

import java.util.*;

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

    int n = sc.nextInt();
    long[] a = a[n];
    long ans = 0;

    for(int i = 0; i < n; i++){
      a[i] = sc.nextLong();
      ans += a[i];
        if(ans > Math.pow(10, 18)){
          ans = -1;
          break;
        }
    }

    System.out.println(ans);
  }
}


Compiler output:
Main.java:8: error: incompatible types: long cannot be converted to long[]
    long[] a = a[n];
                ^
1 error