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

#include "bits/stdc++.h"
using namespace std;
using ll=long long;
#define print(n) cout<<n<<endl
#define rep(i,a,n) for(int i=a;i<n;i++)
#define ALL(s) s.begin(),s.end()
#define P pair<ll,ll>
#define vl vector<ll>
#define vi vector<int>
#define vvl vector<vector<ll>>
#define vvi vector<vector<int>>
const int M=200111;
const int inf=1000000007;
const int mod=1000000007;
const long long INF=1e18;
int dx[4]={-1,0,1,0},dy[4]={0,-1,0,1};
int ddx[8]={1,-1,0,0,1,-1,-1,1},ddy[8]={0,0,1,-1,1,-1,1,-1};


struct UnionFind {
	vector<int> par;
	UnionFind(int n) : par(n, -1) { }

	int root(int x) {
		if (par[x] < 0) return x;
		else return par[x] = root(par[x]);
	}

	bool same(int x, int y) {
		return root(x) == root(y);
	}

	bool merge(int x, int y) {
		x = root(x); y = root(y);
		if (x == y) return false;
		if (par[x] > par[y]) swap(x, y); // merge technique
		par[x] += par[y];
		par[y] = x;
		return true;
	}

	int size(int x) {
		return -par[root(x)];
	}
};

vvl comb(int n) {
	vvl v(n + 1,vl(n + 1, 0));
	for (int i = 0; i < v.size(); i++) {
		v[i][0] = 1;
		v[i][i] = 1;
	}
	for (int j = 1; j < v.size(); j++) {
		for (int k = 1; k < j; k++) {
			v[j][k] = (v[j - 1][k - 1] + v[j - 1][k])%mod;
		}
	}
	return v;
}

void sosu(ll x,bool f[]){
	ll y=x;
	for(ll i=2;i<=sqrt(y);i++){
		if(x%i==0){
			x/=i;
			f[i]=true;
			i--;
		}
	}
}

ll __gcd(ll x,ll y){
	if(x<y)swap(x,y);
	while(1){
		ll tmp=x%y;
		x=y;
		y=tmp;
		if(y==0)break;
	}
	return x;
}

int keta(ll a){
	int ke=1;
	while(a/=10)ke++;
	return ke;
}


int main() {
	int n;
	ll sum=0;
	cin>>n;
	rep(i,1,n+1){
		if(i%3==0||i%5==0)continue;
		sum+=i;
	}
	print(sum);

	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;

#define int long long
#define fi first
#define se second
#define rep(i,n) for(int i=0;i<(int)(n);++i)
#define rep1(i,n) for(int i=1;i<=(int)(n);++i)
#define rep11(i,n) for(int i=1;i<(int)(n);++i)
#define repo(i,o,n) for(int i=o;i<(int)(n);++i)
#define repm(i,n) for(int i=(int)(n)-1;i>=0;--i)
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pb(n) push_back(n)
#define mp make_pair
#define INF LONG_LONG_MAX
#define Yes cout << "Yes" << endl;
#define No cout << "No" << endl;

int n,ans;

signed main() {
    cin >> n;
    rep1(i,n) if (i%3 != 0 && i%5 != 0) ans += i;
    cout << ans << 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;
#define pp pair<int,int>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define ll long long
#define ld long double
#define all(a) (a).begin(),(a).end()
#define mk make_pair
ll mod=998244353;
int inf=1000001000;
ll INF=1e18+5;
ll MOD=1000000007;
 
int main() {
    ll n;
    cin >> n;
    ll ans=0;
    for (ll i=1;i<=n;i++){
        if (i%3!=0 && i%5!=0) ans+=i;
    }
    cout << ans << endl;
}

Compiler output:
main.c:2:10: fatal error: bits/stdc++.h: No such file or directory
    2 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include<bits/stdc++.h>
using namespace std;
#define rep(i,j,n) for(int i=(int)(j);i<(int)(n);i++)
#define REP(i,j,n) for(int i=(int)(j);i<=(int)(n);i++)
#define MOD 1000000007
#define int long long
#define ALL(a) (a).begin(),(a).end()
#define vi vector<int>
#define vii vector<vi>
#define pii pair<int,int>
#define priq priority_queue<int>
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
#define tii tuple<int,int,int>
#define Priq priority_queue<int,vi,greater<int>>
#define pb push_back
#define mp make_pair
#define INF (1ll<<60)
signed main(){
  int N; cin>>N;
  int sum=0;
  REP(i,1,N){
    if(i%3!=0&&i%5!=0) sum+=i;
  }
  cout<<i<<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>
//#include <ext/pb_ds/assoc_container.hpp>

#define INF 1000000021
#define MOD 1000000007
#define pb push_back
#define sqr(a) (a)*(a)
#define M(a, b) make_pair(a,b)
#define T(a, b, c) make_pair(a, make_pair(b, c))
#define F first
#define S second
#define all(x) (x.begin(), x.end())
#define deb(x) cerr << #x << " = " << x << '\n'
#define N 222222

using namespace std;
//using namespace __gnu_pbds;

typedef long double ld;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
//typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;

const ld pi = 2 * acos(0.0);
template<class T> bool umin(T& a, T b){if(a>b){a=b;return 1;}return 0;}
template<class T> bool umax(T& a, T b){if(a<b){a=b;return 1;}return 0;}
template<class T, class TT> bool pal(T a, TT n){int k=0;for(int i=0;i<=n/2;i++){if(a[i]!=a[n-i-1]){k=1;break;}}return k?0:1;}

//int month[] = {0,31,28,31,30,31,30,31,31,30,31,30,31};

int main()
{
	int n;
	cin >> n;
	ll sum = 0;
	for(int i = 1; i <= n;  i++)
	{
		if(i % 3 != 0 && i % 5 != 0)
			sum += i;
	}
	cout << sum;





	





	getchar();
	getchar();
	return 0;
	//ios::sync_with_stdio(false);
	//cin.tie(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;
/*#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<typename T> using gpp_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename L> using gpp_map = tree<T, L, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T> using gpp_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;*/
struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;
#define FOR(i, begin, end) for(int i=(begin);i<(end);i++)
#define REP(i, n) FOR(i,0,n)
#define IFOR(i, begin, end) for(int i=(end)-1;i>=(begin);i--)
#define IREP(i, n) IFOR(i,0,n)
#define Sort(v) sort(v.begin(), v.end())
#define Reverse(v) reverse(v.begin(), v.end())
#define all(v) v.begin(),v.end()
#define SZ(v) ((int)v.size())
#define Lower_bound(v, x) distance(v.begin(), lower_bound(v.begin(), v.end(), x))
#define Upper_bound(v, x) distance(v.begin(), upper_bound(v.begin(), v.end(), x))
#define Max(a, b) a = max(a, b)
#define Min(a, b) a = min(a, b)
#define bit(n) (1LL<<(n))
#define bit_exist(x, n) ((x >> n) & 1)
#define debug(x) cout << #x << "=" << x << endl;
#define vdebug(v) { cout << #v << "=" << endl; REP(i_debug, v.size()){ cout << v[i_debug] << ","; } cout << endl; }
#define mdebug(m) { cout << #m << "=" << endl; REP(i_debug, m.size()){ REP(j_debug, m[i_debug].size()){ cout << m[i_debug][j_debug] << ","; } cout << endl;} }
#define Return(ans) { cout << (ans) << endl; return 0; }
#define pb push_back
#define f first
#define s second
#define int long long
#define INF 1000000000000000000
template<typename T> istream &operator>>(istream &is, vector<T> &v){ for (auto &x : v) is >> x; return is; }
template<typename T> ostream &operator<<(ostream &os, vector<T> &v){ for(int i = 0; i < v.size(); i++) { cout << v[i]; if(i != v.size() - 1) cout << endl; }; return os; }
template<typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p){ cout << '(' << p.first << ',' << p.second << ')'; return os; }
template<typename T> void Out(T x) { cout << x << endl; }
template<typename T1, typename T2> void Ans(bool f, T1 y, T2 n) { if(f) Out(y); else Out(n); }

using vec = vector<int>;
using mat = vector<vec>;
using Pii = pair<int, int>;
using PiP = pair<int, Pii>;
using PPi = pair<Pii, int>;
using bools = vector<bool>;
using pairs = vector<Pii>;

//int dx[4] = {1,0,-1,0};
//int dy[4] = {0,1,0,-1};
//char d[4] = {'D','R','U','L'};

const int mod = 1000000007;
//const int mod = 998244353;
//#define Add(x, y) x = (x + (y)) % mod
//#define Mult(x, y) x = (x * (y)) % mod



signed main(){

    int N; cin >> N;
    int ans = 0;
    REP(i, N + 1) if(i % 3 && i % 5) ans += i;
    Out(ans);

    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>
#include <unistd.h>
#include <sys/time.h>
#include <stdlib.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<ll,ll> P;
typedef pair<P, ll> T;
 
long long int INF = 2e18;
const ll fact_table = 1200008;
double Pi = 3.1415926535897932384626;

priority_queue <ll> pql;
priority_queue <P> pqp;
priority_queue <P> bag;
//big priority queue
priority_queue <ll,vector<ll>,greater<ll> > pqls;
priority_queue <P,vector<P>,greater<P> > pqps;
//small priority queue
//top pop
 
ll dx[8]={1,0,-1,0,1,1,-1,-1};
ll dy[8]={0,1,0,-1,1,-1,-1,1};
char dir[] = "DRUL";
//↓,→,↑,←

#define endl "\n"
#ifdef ENJAPMA
    #undef endl
#endif
#define p(x) cout<<x<<endl;
#define el cout<<endl;
#define pe(x) cout<<x<<" ";
#define ps(x) cout<<fixed<<setprecision(25)<<x<<endl;
#define pu(x) cout<<(x);
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define CLEAR(a) a = decltype(a)(); 
#define pc(x) cout << x << ",";
 
// const ll mod = 998244353ll;
const ll mod = 2000000011;
  
ll mypow(ll number1,ll number2, ll mod){
    if(number2 == 0){
        return 1ll;
    }else{
        ll number3 = mypow(number1,number2 / 2, mod);
        number3 *= number3;
        number3 %= mod;
        if(number2%2==1){
            number3 *= number1;
            number3 %= mod;
        }
        return number3;
    }
}
void YES(bool condition){
    if(condition){
        p("YES");
    }else{
        p("NO");
    }
    return;
}
void Yes(bool condition){
    if(condition){
        p("Yes");
    }else{
        p("No");
    }
    return;
}
 
/*
ll fact[fact_table + 5],rfact[fact_table + 5]; 
 
void c3_init(){
    fact[0] = rfact[0] = 1;
    for(ll i=1; i<=fact_table; i++){
        fact[i] = (fact[i-1]*i) % mod;
    }
    rfact[fact_table] = mypow(fact[fact_table],mod - 2, mod);
    for(ll i=fact_table; i>=1; i--){
       rfact[i-1] = rfact[i] * i;
       rfact[i-1] %= mod;
    }
    return;}
ll c3(ll n,ll r){
    return (((fact[n] * rfact[r]) % mod ) * rfact[n-r]) % mod;}
*/

bool multicase = false;

ll n,m,num,a,b,c,d,e,h,q;
ll w, k, l, r;
ll x[500005], y[500005], z[500005];
string s;

void solve(){
    ll ans = 0;
    cin >> n;
    for(ll i=1;i<=n;i++){
        if(i % 3 != 0 && i % 5 != 0)ans += i;
    }
    p(ans);
    return;
}

int main(){
    // init();
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll q, testcase = 1;

    if(multicase){
        cin >> q;
    }else{
        q = 1;
    }
    while(q--){
        // pu("Case ");pu("#");pu(testcase);pu(": ");
        solve();
        testcase++;
    }
    
    // solve();
    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>
#define enld '\n'
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
using ll = long long;
using P = pair<int,int>;
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("Ofast")
constexpr ll INF = 1e18;
constexpr int inf = 1e9;
constexpr double INFD = 1e100;
constexpr ll mod = 1000000007;
constexpr ll mod2 = 998244353;
const double PI = 3.1415926535897932384626433832795028841971;
const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
// ios::sync_with_stdio(false);
// cin.tie(nullptr);
// ---------------------------------------------------------------------------

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int N;
    cin >> N;
    ll sum = 0;
    for(int i=1; i<=N; i++){
        if(i%3 and i%5) sum += i;
    }
    cout << sum << endl;
    return 0;
}

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;
using ll=long long;

ll s;

int main(){
	int N;
	cin>>N;
	for(int i=0;i<=N;i++){
		if(i%3&&i%5)s+=i;
	}
	cout<<s<<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 <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <string>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <tuple>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <cassert>
#include <cstdint>
#include <cctype>
#include <numeric>
#include <bitset>
#include <functional>

using namespace std;

using ll =  long long;
using Pll = pair<ll, ll>;
using Pii = pair<int, int>;

constexpr int INF = 1 << 30;
constexpr ll LINF = 1LL << 60;
constexpr ll MOD = 1000000007;
constexpr long double EPS = 1e-10;
constexpr int dyx[4][2] = {
    { 0, 1}, {-1, 0}, {0,-1}, {1, 0}
};

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);
    ll ans = 0, n;
    cin >> n;
    for(ll i=1;i<=n;++i) {
        if(i % 3 != 0 and i % 5 != 0) {
            ans += i;
        }
    }

    cout << ans << endl;
}


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

#include <iostream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using u32 = unsigned;
using u64 = unsigned long long;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;

int main() {
    int n;
    cin >> n;
    ll ans = 0;
    for (int i = 1; i <= n; ++i) {
       if(i%3 && i%5) ans += i; 
    }
    cout << ans << "\n";
    return 0;
}

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

#include<bits/stdc++.h>
using namespace std;
#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.fi<<" "<<it.se.se<<endl;}
#define dbs(s)cout<<endl;cout<<#s<<"-->> ";for(auto it:s){cout<<it<<" ";}cout<<endl;
#define mod 1000000007
#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 k;
cin>>k;
for(int i=1;i<=k;i++)
{
  for(int j=1;j<=k;j++)
  {
    for(int kk=1;kk<=k;kk++)
    {
      ans+=__gcd(i,__gcd(j,k));
    }
  }
}
cout<<ans<<endl;

}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:49:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   49 |       ans+=__gcd(i,__gcd(j,k));
      |       ^~~
      |       abs
a.cc:53:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   53 | cout<<ans<<endl;
      |       ^~~
      |       abs
Language: C++

#include<iostream>
#include<stdio.h>
using namespace std;
using ll=long long;
#include<algorithm>
#include<set>
#include<vector>
#define rep(i,n) for(int i=0;i<(n);i++)
using P=pair<int,int>;
#include<cmath>


int main(){
  int k;
  cin>>k;
  int ans=0;
rep(i,k)rep(j,k)rep(n,k){
  ans+=gcd(i,gcd(j,n));
}
cout<<ans<<endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:14: error: 'gcd' was not declared in this scope
   18 |   ans+=gcd(i,gcd(j,n));
      |              ^~~
a.cc:18:8: error: 'gcd' was not declared in this scope
   18 |   ans+=gcd(i,gcd(j,n));
      |        ^~~
Language: C++

#include<bits/stdc++.h>

int main() {
  int k;
  scanf("%d",&k);
  long long ans=0;
  for(int i=1;i<=k;i++) {
  	for(int j=1;j<=k;j++) {
    	for(int ij=1;ij<=k;ij++) {
        	ans+=__gcd(__gcd(i,j),ij);
        }
    }
  }
  printf("%d",ans);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:28: error: '__gcd' was not declared in this scope
   10 |                 ans+=__gcd(__gcd(i,j),ij);
      |                            ^~~~~
a.cc:10:28: note: suggested alternatives:
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:1137:5: note:   'std::__gcd'
 1137 |     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
      |     ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:58:
/usr/include/c++/14/numeric:134:5: note:   'std::__detail::__gcd'
  134 |     __gcd(_Tp __m, _Tp __n)
      |     ^~~~~
a.cc:10:22: error: '__gcd' was not declared in this scope
   10 |                 ans+=__gcd(__gcd(i,j),ij);
      |                      ^~~~~
a.cc:10:22: note: suggested alternatives:
/usr/include/c++/14/bits/stl_algo.h:1137:5: note:   'std::__gcd'
 1137 |     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
      |     ^~~~~
/usr/include/c++/14/numeric:134:5: note:   'std::__detail::__gcd'
  134 |     __gcd(_Tp __m, _Tp __n)
      |     ^~~~~
Language: C++

#include<iostream>
using namespace std;

int GCD(int a, int b, int c){
  return gcd(a, gcd(b, c));
}

int main(){
  int K;
  cin >> K;
  
  int ans=0;
  
  for (int a=1; a<=K; a++){
    for (int b=1; b<=K; b++){
      for (int c=1; c<=K; c++){
        ans += GCD (a, b, c);
      }
    }
  }
  
  cout << ans << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int GCD(int, int, int)':
a.cc:5:17: error: 'gcd' was not declared in this scope
    5 |   return gcd(a, gcd(b, c));
      |                 ^~~
a.cc:5:10: error: 'gcd' was not declared in this scope
    5 |   return gcd(a, gcd(b, c));
      |          ^~~
Language: C++

k = int(input())

def gcf(a,b):
    if a % b == 0 :
        return b
    return gcf(b, a%b)

def gcf3(a,b,c):
    f_ab = gcf(a,b)
    return gcf(f_ab,c)

ans = 0
for a in range(1,k+1):
    for b in range(a,k+1):
        for c in range(b,k+1):
            if a == b == c:
                ans += gcf3(a,b,c)
            elif a != b and b != c and a != c:
                ans += gcf3(a,b,c)*6
            else:
                ans += gcf3(a,b,c)*3
print(ans)


Compiler output:
a.cc:1:1: error: 'k' does not name a type
    1 | k = int(input())
      | ^
Language: C++

#include <bits/stdc++.h>
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <deque>
#include <functional>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#define pi 3.14159265358979323846264338327950L
using namespace std;

int main() {
  int64_t K, ans=0;
  cin >> K;
  for (int64_t a=1; a<=K; a++) {
    for (int64_t b=1; b<=K; b++) {
      for (int64_t c=1; c<=K; c++) {
        ans=ans+gcd(a,gcd(b,c));
      }
    }
  }
  cout << ans << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:30:23: error: expected '}' at end of input
   30 |   cout << ans << endl;
      |                       ^
a.cc:20:12: note: to match this '{'
   20 | int main() {
      |            ^
Language: C++

int gcd(int p, int q){
  if(p % q == 0)return q;
  return gcd(q, p % q);
}

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

#include<bits/stdc++.h>
using namespace std;
int main(){
  int K;
  cin>>K;
  int64_t ans=0;
  for(int i=1;i<=K;i++){
    for(int j=1;j<=K;j++){
      for(int l=1;l<=K;l++){
        ans+=gcd(i,j,l);
      }
    }
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:17: error: no matching function for call to 'gcd(int&, int&, int&)'
   10 |         ans+=gcd(i,j,l);
      |              ~~~^~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:58,
                 from a.cc:1:
/usr/include/c++/14/numeric:173:5: note: candidate: 'template<class _Mn, class _Nn> constexpr std::common_type_t<_Mn, _Nn> std::gcd(_Mn, _Nn)'
  173 |     gcd(_Mn __m, _Nn __n) noexcept
      |     ^~~
/usr/include/c++/14/numeric:173:5: note:   candidate expects 2 arguments, 3 provided
Language: C

#include<stdio.h>
int main() {
    int n, m, vote = 0, count = 0, a[100];
    scanf("%d %d", &n, &m);
    for (int i = 0; i < n; i++)
    {
        scanf("%d", &a[i]);
    }
    for (int i = 0; i < n; i++)
    {
        total = total + a[i];
    }
    for (int i = 0; i < n; i++)
    {
        if (a[i] >= total / (4 * m))
        {
            count = count + 1;
        }

    }

    if (count >= m)
    {
        printf("Yes\n");
    }
    else
    {
        printf("No\n")
    }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:9: error: 'total' undeclared (first use in this function)
   11 |         total = total + a[i];
      |         ^~~~~
main.c:11:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:28:23: error: expected ';' before '}' token
   28 |         printf("No\n")
      |                       ^
      |                       ;
   29 |     }
      |     ~
Language: C

#include <stdio.h>
int main(){
  int gcd(int p, int q) {
    while (q != 0) {
      int r = p % q;
      p = q; 
      q = r;
    }
    return p;
  }
  
int main(){
    int k;
    scanf("%d", &k);
    long sum = 0;
    
    for (int a = 1; a <= k; a++)
      for (int b = 1; b <= k; b++)
        for (int c = 1; c <= k; c++)
          sum += gcd(gcd(a, b), c);
    
    printf("%ld", sum);
    return 0;
 }

Compiler output:
main.c: In function 'main':
main.c:24:2: error: expected declaration or statement at end of input
   24 |  }
      |  ^
Language: C++

#include<iostream>
using namespace std;

int main() {
  //unordered_map<string, int> dp;
  int x;
  cin >> x;
  for(int i=1; i <= x; i++)
    for(int j=1; j <= x; j++)
    	for(int k=1; k <= x; k++)
        {
          /*
          string temps = to_string(i) + to_string(j) + to_string(k);
          if(dp.find(temps) != dp.end())
            ans = ans + dp[temps];
          else {*/
            int gcd = __gcd(__gcd(i,j), k);
            //dp[temps] = gcd;
            ans = ans + gcd;
          //}
        }
  cout << ans;
  return 0;
}
   

Compiler output:
a.cc: In function 'int main()':
a.cc:17:29: error: '__gcd' was not declared in this scope; did you mean 'gcd'?
   17 |             int gcd = __gcd(__gcd(i,j), k);
      |                             ^~~~~
      |                             gcd
a.cc:17:23: error: '__gcd' was not declared in this scope; did you mean 'gcd'?
   17 |             int gcd = __gcd(__gcd(i,j), k);
      |                       ^~~~~
      |                       gcd
a.cc:19:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   19 |             ans = ans + gcd;
      |             ^~~
      |             abs
a.cc:22:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |   cout << ans;
      |           ^~~
      |           abs
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int64_t n,sum=0;
  cin >> n;
  for(int i=1;i<=n;i++){
    for(int j=1;j<=n;j++){
      for(int k=1;k<=n;k++){
        sum+=__gcd(i,j,k);
      }
    }
  }
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: no matching function for call to '__gcd(int&, int&, int&)'
    9 |         sum+=__gcd(i,j,k);
      |              ~~~~~^~~~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:1137:5: note: candidate: 'template<class _EuclideanRingElement> _EuclideanRingElement std::__gcd(_EuclideanRingElement, _EuclideanRingElement)'
 1137 |     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
      |     ^~~~~
/usr/include/c++/14/bits/stl_algo.h:1137:5: note:   candidate expects 2 arguments, 3 provided
Language: C++

#include<iostream>
#include<numeric>
using namespace std;
int main(){
    int k,a,b,c,tmp,ans=0;
    cin>>k;
    for(a = 1;a<=k;a++){
         for(b = 1;b<=k;b++){
              for(c = 1;c<=k;c++){
                　tmp = gcd(a,b);
                  ans = ans + gcd(tmp,c);
              }
         }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc:10:17: error: extended character 　 is not valid in an identifier
   10 |                 　tmp = gcd(a,b);
      |                 ^
a.cc: In function 'int main()':
a.cc:10:17: error: '\U00003000tmp' was not declared in this scope
   10 |                 　tmp = gcd(a,b);
      |                 ^~~~~
Language: C

#include <stdio.h>

  int gcd(int a,int b){
    while(b!=0){
      int r = a%b;
      a = b;
      b = r;
    }
    return a;
  }
  

int main (){
  int K;
  scanf("%d",&K);
  int ans =0;
  
  for (int i=1;i<=K;i++){
    for (int b=1;b<=K;b++){
      for (int c=1;c<=K;c++){
        ans+=gcd(gcd(i,b),c);
      }
    }
  }
  printf("%d",ans);
  return 0:
}
  

Compiler output:
main.c: In function 'main':
main.c:26:11: error: expected ';' before ':' token
   26 |   return 0:
      |           ^
      |           ;
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
#define pi 3.14159265359
#define all(i) i.begin(),i.end()
using namespace std;
const long long INF=1e9+7;
const string alp="abcdefghijklmnopqrstuvwxyz"; //26
const string ALP="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
typedef long long ll;
typedef vector<ll> vl;
typedef vector<vector<ll>> vvl;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> T;
//const ll MOD=998244353LL;
//const ll MOD=1777777777LL;


int main() {
  ll K;
  cin>>K;
  ll ans=0;
  for(int i=1;i<=K;i++){
    for(int j=1;j<=K;j++){
      for(int k=1;k<=K;k++){
        ans+=gcd(gcd(a,b),c);
      }
    }
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:22: error: 'a' was not declared in this scope
   26 |         ans+=gcd(gcd(a,b),c);
      |                      ^
a.cc:26:24: error: 'b' was not declared in this scope
   26 |         ans+=gcd(gcd(a,b),c);
      |                        ^
a.cc:26:27: error: 'c' was not declared in this scope
   26 |         ans+=gcd(gcd(a,b),c);
      |                           ^
Language: C

#include<stdio.h>
 
int main(void){
  int x,max,total=0;
  int i,j,k;
  
  do{
    scanf("%d",&x);
  }while(x<1 || x>200);
  
  for(i=1; i<=x; i++){
    for(j=1; j<=x; j++){
      max1 = (i<j) ? i : j;
      for(k=1; k<=x; k++){
        max2 =max1;
        max2 = (max2<k) ? max2 : k;
        while(max2>0){
          if(i%max2 == 0 && j%max2 == 0 && k%max2 == 0){
            total += max2;
          }
        }
      }
    }
  }
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:7: error: 'max1' undeclared (first use in this function); did you mean 'max'?
   13 |       max1 = (i<j) ? i : j;
      |       ^~~~
      |       max
main.c:13:7: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:9: error: 'max2' undeclared (first use in this function); did you mean 'max'?
   15 |         max2 =max1;
      |         ^~~~
      |         max
Language: C

#include<stdio.h>

int main(){
  int n,i,j,k,c,max;
  int sum=0;
  scanf("%d",&n);
  
  for(i=1;i<=n;i++){
    for(j=1;j<=n;j++){
      for(k=1;k<=n;k++){
        for(c=1;c<=n;c++){
          if(i%c==0&&j%c==0&&k%c==0){
            max=c}
          sum+=max;
        }
      }
    }
  }
    
    printf("%d",sum);
    
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:18: error: expected ';' before '}' token
   13 |             max=c}
      |                  ^
      |                  ;
Language: C

#include <stdio.h>
int fuction(int a,int b)
{
  int c=1;
  while(c!=0){
    c=a%b;
    a=b;
    b=c;
  }
  return a;
}
int main()
{
  int n;
  int i,j,k;
  int sum=0;
   scanf("%d",&n);
  for(i=1;i<=n;i++){
    for(j=1;j<=n;j++){
      for(k=1;k<=n;k++){
            sum=sum+fution(fucion(i,j),k);
      }
    }
  }
  printf("%d",sum);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:21:21: error: implicit declaration of function 'fution'; did you mean 'fuction'? [-Wimplicit-function-declaration]
   21 |             sum=sum+fution(fucion(i,j),k);
      |                     ^~~~~~
      |                     fuction
main.c:21:28: error: implicit declaration of function 'fucion'; did you mean 'fuction'? [-Wimplicit-function-declaration]
   21 |             sum=sum+fution(fucion(i,j),k);
      |                            ^~~~~~
      |                            fuction
Language: C

#include <stdio.h>
int fuction(int a,int b)
{
  int c=1;
  while(c!=0){
    c=a%b;
    a=b;
    b=c;
  }
  return a;
}
int main()
{
  int n;
  int i,j,k;
  int sum=0;
   scanf("%d",&n);
  for(i=1;i<=n;i++){
    for(j=1;j<=n;j++){
      for(k=1;<=n;k++){
            sum=sum+fution(fucion(i,j),k);
      }
    }
  }
  printf("%d",sum);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:20:15: error: expected expression before '<=' token
   20 |       for(k=1;<=n;k++){
      |               ^~
main.c:21:21: error: implicit declaration of function 'fution'; did you mean 'fuction'? [-Wimplicit-function-declaration]
   21 |             sum=sum+fution(fucion(i,j),k);
      |                     ^~~~~~
      |                     fuction
main.c:21:28: error: implicit declaration of function 'fucion'; did you mean 'fuction'? [-Wimplicit-function-declaration]
   21 |             sum=sum+fution(fucion(i,j),k);
      |                            ^~~~~~
      |                            fuction
Language: C

    #include <stdio.h>
    #include <math.h>
    void main()
    {
      int N,t,i,k,m,ans,r;
      scanf("%d", &N);
      for(i=0;i<N;i++){
        for(j=0;j<N;j++){
          for(k=0;k<N;k++){
            n=i;m=j;
            if (n > m) {
              t = m;
              m = n;
              n = t;
            }
            while ((r = m % n) != 0) {
              m = n;
              n = r;
            }
            if(n > j) {
              t = j;
              j = n;
              n = t;
            }
            while((r = j % n) != 0) {
              j = n;
              n = r;
            }
            sum+=n;
          }
        }
      }
      printf("%d", sum);
    }

Compiler output:
main.c: In function 'main':
main.c:8:13: error: 'j' undeclared (first use in this function)
    8 |         for(j=0;j<N;j++){
      |             ^
main.c:8:13: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:13: error: 'n' undeclared (first use in this function)
   10 |             n=i;m=j;
      |             ^
main.c:29:13: error: 'sum' undeclared (first use in this function)
   29 |             sum+=n;
      |             ^~~
Language: C

#include <stdio.h>
int gcd(int x,int y){
  int z;
  z=x%y;
  while(r!=0){
    x=y;
    y=z;
    z=x%y;
  }
  return y;
}
int main(void){
  int a,b,c;
  int k;
  int i;
  long int total=0;
  scanf("%d",&k);
  for(a=1;a<=k;a++){
    for(b=1;b<=k;b++){
      for(c=1;c<=k;c++){
        total+=gcd(gcd(a,b),c);
        }
      }
    }
  }
  printf("%d",total);
  return 0;
}


Compiler output:
main.c: In function 'gcd':
main.c:5:9: error: 'r' undeclared (first use in this function)
    5 |   while(r!=0){
      |         ^
main.c:5:9: note: each undeclared identifier is reported only once for each function it appears in
main.c: At top level:
main.c:26:10: error: expected declaration specifiers or '...' before string constant
   26 |   printf("%d",total);
      |          ^~~~
main.c:26:15: error: unknown type name 'total'
   26 |   printf("%d",total);
      |               ^~~~~
main.c:27:3: error: expected identifier or '(' before 'return'
   27 |   return 0;
      |   ^~~~~~
main.c:28:1: error: expected identifier or '(' before '}' token
   28 | }
      | ^
Language: C

#include <stdio.h>
int gcd(int x,int y){
  int z;
  z=x%y;
  while(r!=0){
    x=y;
    y=z;
    z=x%y;
  }
  return x;
}
int main(void){
  int a,b,c;
  int k;
  int i;
  long int total=0;
  scanf("%d",&k);
  for(a=1;a<=k;a++){
    for(b=1;b<=k;b++){
      for(c=1;c<=k;c++){
        total+=gcd(gcd(a,b),c);
        }
      }
    }
  }
  printf("%d",total);
  return 0;
}


Compiler output:
main.c: In function 'gcd':
main.c:5:9: error: 'r' undeclared (first use in this function)
    5 |   while(r!=0){
      |         ^
main.c:5:9: note: each undeclared identifier is reported only once for each function it appears in
main.c: At top level:
main.c:26:10: error: expected declaration specifiers or '...' before string constant
   26 |   printf("%d",total);
      |          ^~~~
main.c:26:15: error: unknown type name 'total'
   26 |   printf("%d",total);
      |               ^~~~~
main.c:27:3: error: expected identifier or '(' before 'return'
   27 |   return 0;
      |   ^~~~~~
main.c:28:1: error: expected identifier or '(' before '}' token
   28 | }
      | ^
Language: C

#include <stdio.h>
int gcd(int x,int y){
  int z;
  z=x%y;
  while(r!=0){
    x=y;
    y=z;
    z=x%y;
  }
  return z;
}
int main(void){
  int a,b,c;
  int k;
  int i;
  long int total=0;
  scanf("%d",&k);
  for(a=1;a<=k;a++){
    for(b=1;b<=k;b++){
      for(c=1;c<=k;c++){
        total+=gcd(gcd(a,b),c);
        }
      }
    }
  }
  printf("%d",total);
  return 0;
}


Compiler output:
main.c: In function 'gcd':
main.c:5:9: error: 'r' undeclared (first use in this function)
    5 |   while(r!=0){
      |         ^
main.c:5:9: note: each undeclared identifier is reported only once for each function it appears in
main.c: At top level:
main.c:26:10: error: expected declaration specifiers or '...' before string constant
   26 |   printf("%d",total);
      |          ^~~~
main.c:26:15: error: unknown type name 'total'
   26 |   printf("%d",total);
      |               ^~~~~
main.c:27:3: error: expected identifier or '(' before 'return'
   27 |   return 0;
      |   ^~~~~~
main.c:28:1: error: expected identifier or '(' before '}' token
   28 | }
      | ^
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#define rep(i,n) for(i=0;i<n;i++)
#define PI 3.14159265358979323846264338327950L
int gcd(int a,int b){//Greatest Common Divisor(最大公約数)
    if(a<b){
        int tmp=a;
        a=b;
        b=tmp;
    })
    while (b!=0){
        int r=a%b;
            a=b;
            b=r;
    }
    return a;
}
int main(){
    int a,b,c,k,num,ans=0;
    scanf("%d",&k);
    for(a=1;a<=k;a++){
        for(b=1;b<=k;b++){
            for(c=1;c<=k;c++){
                num=gcd(gcd(a,b),c);
                ans=ans+num;
            }
        }
    }
    printf("%d",ans);
    return 0;
}

Compiler output:
main.c: In function 'gcd':
main.c:11:6: error: expected statement before ')' token
   11 |     })
      |      ^
Language: C++

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

int main() {
    int K;
    cin >> K;
    int sum = 0;
    for (int a = 1; a <= K; a++) {
        for (int b = 1; b <= K; b++) {
            for (int c = 1; c <= K; c++) {
                sum += getGCD(max(getGCD(max(a, b), min(a, b)), c), min(getGCD(max(a, b), min(a, b)), c));
            }
        }
    }
    cout << sum << endl;
}

int getGCD(int a, int b) {
    if (a % b == 0)
        return b;
    else 
        return getGCD(b, a % b);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:35: error: 'getGCD' was not declared in this scope; did you mean 'getgid'?
   11 |                 sum += getGCD(max(getGCD(max(a, b), min(a, b)), c), min(getGCD(max(a, b), min(a, b)), c));
      |                                   ^~~~~~
      |                                   getgid
a.cc:11:24: error: 'getGCD' was not declared in this scope; did you mean 'getgid'?
   11 |                 sum += getGCD(max(getGCD(max(a, b), min(a, b)), c), min(getGCD(max(a, b), min(a, b)), c));
      |                        ^~~~~~
      |                        getgid
Language: C++

#include <iostream>

int gcd(int a,int b){
 int r=a%b;
 while(r!=0){
  a=b;
  b=r;
  r=a%b;
 }
 return b;
}

int main(){
 int K;
 std::cin>>K;

 __int64 ans=0;
 for(int i=1;i<=K;i++){
  for(int j=1;j<=K;j++){
   for(int k=1;k<=K;k++){
    ans+=gcd(gcd(i,j),k);
   }
  }
 }

 std::cout<<ans;
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:2: error: '__int64' was not declared in this scope; did you mean '__int64_t'?
   17 |  __int64 ans=0;
      |  ^~~~~~~
      |  __int64_t
a.cc:21:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   21 |     ans+=gcd(gcd(i,j),k);
      |     ^~~
      |     abs
a.cc:26:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   26 |  std::cout<<ans;
      |             ^~~
      |             abs
Language: C++

#include <algorithm>
#include <bitset>
#include <tuple>
#include <cstdint>
#include <cstdio>
#include <cctype>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <limits>
#include <map>
#include <memory>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#define ArraySizeOf(array)     (sizeof(array) / sizeof(array[0]))
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define REP(i,n) for(int i=1;i<n;i++)
#define rev(i,n) for(int i=n-1;i>=0;i--)
#define _GLIBCXX_DEBUG
#define int long long
int INF = 1e9+7;
unsigned NthDayOfWeekToDay(unsigned n, unsigned dow, unsigned dow1)
{
unsigned day;
if(dow < dow1) dow += 7;
day = dow - dow1;
day += 7 * n - 6;
return day;
}
unsigned DayToWeekNumber(unsigned day)
{
  return (day - 1) / 7 + 1;
}
unsigned AnotherDayOfWeek(unsigned day, unsigned day0, unsigned dow0)
{
  return (dow0 + 35 + day - day0) % 7;
}
using namespace std;
signed main(){
  int N;
  cin>>N;
  int ans=0;
  REP(i,N+1){
    REP(j,N+1){
      REP(K,N+1){
        ans+=gcd(gcd(i,j),k);
      }
    }
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:66:27: error: 'k' was not declared in this scope
   66 |         ans+=gcd(gcd(i,j),k);
      |                           ^
Language: C++

#include<iostream>
#define ll long long int

using namespace std;

ll gcd2(int a,int b){
  if(a % b == 0) return b;
  if(a < b){
    int tmp = a;
    a = b;
    b = tmp;
  }
  return gcd(b,a%b);
}

ll gcd3(int a,int b,int c){
  return gcd2(gcd2(a,b),c);
}

int main(void){
  ll K,sum=0;
  cin >> K;
  for(int i=1;i <= K;i++){
    for(int j=1;j <= K;j++){
      for(int k=1;k <= K;k++){
        sum += gcd3(i,j,k);
      }
    }
  }
  cout << sum << endl;
  return 0;
}


Compiler output:
a.cc: In function 'long long int gcd2(int, int)':
a.cc:13:10: error: 'gcd' was not declared in this scope; did you mean 'gcd2'?
   13 |   return gcd(b,a%b);
      |          ^~~
      |          gcd2
Language: C++

#include<iostream>
#define ll long long int

using namespace std;

ll gcd2(int a,int b){
  if(a % b == 0) return b;
  if(a < b){
    int tmp = a;
    a = b;
    b = tmp;
  }
  return gcd(b,a%b);
}

ll gcd3(int a,int b,int c){
  return gcd(gcd(a,b),c);
}

int main(void){
  ll K,sum=0;
  cin >> K;
  for(int i=1;i <= K;i++){
    for(int j=1;j <= K;j++){
      for(int k=1;k <= K;k++){
        sum += gcd3(i,j,k);
      }
    }
  }
  cout << sum << endl;
  return 0;
}


Compiler output:
a.cc: In function 'long long int gcd2(int, int)':
a.cc:13:10: error: 'gcd' was not declared in this scope; did you mean 'gcd2'?
   13 |   return gcd(b,a%b);
      |          ^~~
      |          gcd2
a.cc: In function 'long long int gcd3(int, int, int)':
a.cc:17:14: error: 'gcd' was not declared in this scope; did you mean 'gcd3'?
   17 |   return gcd(gcd(a,b),c);
      |              ^~~
      |              gcd3
a.cc:17:10: error: 'gcd' was not declared in this scope; did you mean 'gcd3'?
   17 |   return gcd(gcd(a,b),c);
      |          ^~~
      |          gcd3
Language: C++

#include<iostream>
#define ll long long int

using namespace std;

int gcd2(int a,int b){
  if(a % b == 0) return b;
  if(a < b){
    int tmp = a;
    a = b;
    b = tmp;
  }
  return gcd(b,a%b);
}

int gcd3(int a,int b,int c){
  return gcd(gcd(a,b),c);
}

int main(void){
  int K,sum=0;
  cin >> K;
  for(int i=1;i <= K;i++){
    for(int j=1;j <= K;j++){
      for(int k=1;k <= K;k++){
        sum += gcd(i,j,k);
      }
    }
  }
  cout << sum << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int gcd2(int, int)':
a.cc:13:10: error: 'gcd' was not declared in this scope; did you mean 'gcd2'?
   13 |   return gcd(b,a%b);
      |          ^~~
      |          gcd2
a.cc: In function 'int gcd3(int, int, int)':
a.cc:17:14: error: 'gcd' was not declared in this scope; did you mean 'gcd3'?
   17 |   return gcd(gcd(a,b),c);
      |              ^~~
      |              gcd3
a.cc:17:10: error: 'gcd' was not declared in this scope; did you mean 'gcd3'?
   17 |   return gcd(gcd(a,b),c);
      |          ^~~
      |          gcd3
a.cc: In function 'int main()':
a.cc:26:16: error: 'gcd' was not declared in this scope; did you mean 'gcd3'?
   26 |         sum += gcd(i,j,k);
      |                ^~~
      |                gcd3
Language: C++

#include <bits/stdc++.h>
using namespace std;
int gcd(int x,int y){
    if(x%y==0) return y;
    return gcd(y,x%y);
}
int main(void){
    int k;
    cin >> k;
    int ans=0;
    for(int i=1;i<=k;i++){
        for(int j=1;j<=k;j++){
            for(int　l=1;l<=k;l++){
                ans+=gcd(i,(gcd(j,l)));
                
            }
        }
    }
    cout << ans;
}


Compiler output:
a.cc:13:17: error: extended character 　 is not valid in an identifier
   13 |             for(int　l=1;l<=k;l++){
      |                 ^
a.cc: In function 'int main()':
a.cc:13:17: error: 'int\U00003000l' was not declared in this scope
   13 |             for(int　l=1;l<=k;l++){
      |                 ^~~~~~
a.cc:13:26: error: 'l' was not declared in this scope
   13 |             for(int　l=1;l<=k;l++){
      |                          ^
Language: C++

#include <iostream>

int gcd(int a,int b)
{
int c=1;
if(a<b)
{
    c=a;a=b;b=c;
}
while(c!=0)
{
    c=a%b;
    a=b;
    b=c;
}
return a;
}
int main()
{
    int K;
    std::cin>>K;
    int x=0
    for (int x=1;x<K;x++)
        for (int y=1;y<K;y++)
            for (int z=1;z<K;z++)
            {
                x=x+gcd(gcd(a,b),c);
            }
    std::cout<<x<<std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:5: error: expected ',' or ';' before 'for'
   23 |     for (int x=1;x<K;x++)
      |     ^~~
a.cc:23:25: error: expected ';' before ')' token
   23 |     for (int x=1;x<K;x++)
      |                         ^
      |                         ;
a.cc:24:22: error: 'y' was not declared in this scope
   24 |         for (int y=1;y<K;y++)
      |                      ^
a.cc:25:26: error: 'z' was not declared in this scope
   25 |             for (int z=1;z<K;z++)
      |                          ^
Language: C++

#include <iostream>

int main(){
	int n;
    std::cin >> n;
  int sum = 0;
    for(int i=1;i<n+1;++i){
     for(int j=1;j<n+1;++j){
       for(int l=1;l<n+1;++l){
         sum += gcd(gcd(i,j),l);
       }
     }
    }
  std::cout << sum << std::endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: 'gcd' was not declared in this scope
   10 |          sum += gcd(gcd(i,j),l);
      |                     ^~~
a.cc:10:17: error: 'gcd' was not declared in this scope
   10 |          sum += gcd(gcd(i,j),l);
      |                 ^~~
a.cc:14:33: error: expected '}' at end of input
   14 |   std::cout << sum << std::endl;
      |                                 ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <iostream>

int main(){
	int n;
    cin >> n;
  int sum = 0;
    for(int i=1;i<n+1;++i){
     for(int j=1;j<n+1;++j){
       for(int l=1;l<n+1;++l){
         sum += gcd(gcd(i,j),l);
       }
     }
    }
  cout << sum << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |     cin >> n;
      |     ^~~
      |     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:10:21: error: 'gcd' was not declared in this scope
   10 |          sum += gcd(gcd(i,j),l);
      |                     ^~~
a.cc:10:17: error: 'gcd' was not declared in this scope
   10 |          sum += gcd(gcd(i,j),l);
      |                 ^~~
a.cc:14:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   14 |   cout << sum << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:14:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   14 |   cout << sum << 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)
      |     ^~~~
a.cc:14:23: error: expected '}' at end of input
   14 |   cout << sum << endl;
      |                       ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <iostream>
int main(){
int n;
std::cin >> n;

  long long sum = 0;
  
for(int i = 1 ; i <= n ; i++){
    for(int j = 1 ; j <= n ; j++){
      for(int k = 1 ; k <= n ; k++){
        sum += __gcd(__gcd(i,j),k); }}}
  
  std::cout << sum << std::endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:11:22: error: '__gcd' was not declared in this scope
   11 |         sum += __gcd(__gcd(i,j),k); }}}
      |                      ^~~~~
a.cc:11:16: error: '__gcd' was not declared in this scope
   11 |         sum += __gcd(__gcd(i,j),k); }}}
      |                ^~~~~