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

#include <iostream>
#include <cstring>
using namespace std;
const int INF=0x3f3f3f3f;
//vector<int>v[maxn];
//map<int,string>mp[maxn];
//queue<int>q[maxn];
long long a[11][11],n,m,an[12],c[11][13],ans;
long long in;
long long abs(int x)
{
	if(x<0)
		return -x;
	return x;
}
long long pow(int x,int y)
{
	int sum=1;
	for(int i=1;i<=y;i++)
		sum*=x;
	return sum;
}
string s;
void dfs(int D,int x,long long left)
{


	int i;
	if(left<0)
		return;
		//	cout<<D<<" "<<x<<" "<<left<<endl;
	if(x==D/2)
	{
		for(i=1;i<=D/2;i++)
			an[i]=abs(an[i]);
		an[x]=left/a[D][x];
		if(left%a[D][x]!=0)
			return;
		//cout<<an[1]<<endl;
		if(D%2==1)
		{

			long long sum=9-an[1];
		//	cout<<an[1]<<endl;
			for(i=2;i<=D/2;i++)
			{
			//	cout<<an[i]<<endl;
				sum*=10-an[i];
			}
			sum*=10;
			ans+=sum;
		}
		else
		{
			long long sum=9-an[1];
		//	cout<<an[1]<<endl;
			for(i=2;i<=D/2;i++)
			{
				sum*=10-an[i];
			//	cout<<an[i]<<endl;
			}
			ans+=sum;
		}
		cout<<endl;
		return;
	}
	for(i=-9;i<=9;i++)
	{
			//cout<<D<<" "<<x<<" "<<left<<endl;
		an[x]=i;
		dfs(D,x+1,left-a[D][x]*i);
		an[x]=0;
	}
}
int main()
{
	int i,j,cnt=1;
	cin>>s;
	n=s.size();
	for(i=s.size()-1;i>=0;i--)
	{
		in+=cnt*(s[i]-'0');
		cnt*=10;
	}
	if(in%9!=0)
	{
		cout<<"0"<<endl;
		return 0;
	}
//	cout<<n<<" "<<in<<endl;6
	for(i=2;i<=10;i++)
	{
		int x=pow(10,i-1),y=1;
		for(j=1;j<=i/2;j++)
		{
			a[i][j]=x-y;
			x/=10;
			y*=10;
		}
	}
	for(i=2;i<=10;i++)
		for(j=i/2;j>=1;j--)
			c[i][j]=c[i][j+1]+a[i][j];
	for(i=2;i<=n;i++)
	{
		memset(an,0,sizeof(an));
		if(c[i][1]*9<in)
			continue;
		dfs(i,1,in);
	}
	cout<<ans<<endl;
	return 0;
}


Compiler output:
a.cc:10:11: error: ambiguating new declaration of 'long long int abs(int)'
   10 | long long abs(int x)
      |           ^~~
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/c++/14/ext/string_conversions.h:43,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/stdlib.h:980:12: note: old declaration 'int abs(int)'
  980 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
Language: C++

#include<bits/stdc++.h>
#define int long long
using namespace std;
int d,ans;
int main()
{
	cin>>d;
	if(d%9)
	{
		cout<<0;
		return 0;
	}
	d/=9;
	return 0;
}

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

def solve(NUM):
    s = str(NUM)
    sz = len(str(NUM))
    if s=='9':
        return '12'
    if s=='99':
        return '102'
    if(s[0]=='9'):
        if(s[-1]=='9'):
            for i in range(2,sz-1):
                if(s[i]!=s[i-1]):
                    return -1
            ans = '1'
            for i in range(sz-1):
                ans+='0'
            ans+='2'
            if s[1]==0:
                ans = '11'+ans[2:]
                return ans
            if s[1]==9:
                return ans
            return -1
        else:
            return -1
    for i in range(10**(sz-1),2*(10**(sz-1))):
        ri = int(str(i)[::-1])
        if i+NUM==ri:
            return str(i)
    return -1

D = int(input())
s = solve(D)
if s==-1:
    print(0)
else:
    n = len(s)
    ans = 1
    for i in range(n):
        j = n-1-i
        if j<i:
            break
        x = int(s[i])
        y = int(s[j])
        xy = max(x,y)
        ans *= 10-xy
    print(ans)

Compiler output:
a.cc:5:16: warning: multi-character character constant [-Wmultichar]
    5 |         return '12'
      |                ^~~~
a.cc:6:11: warning: multi-character character constant [-Wmultichar]
    6 |     if s=='99':
      |           ^~~~
a.cc:7:16: warning: multi-character character constant [-Wmultichar]
    7 |         return '102'
      |                ^~~~~
a.cc:18:23: warning: multi-character character constant [-Wmultichar]
   18 |                 ans = '11'+ans[2:]
      |                       ^~~~
a.cc:1:1: error: 'def' does not name a type
    1 | def solve(NUM):
      | ^~~
Language: C++

ce
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("unroll-loops")
//#pragma warning(disable : 4996)

#ifdef _MSC_VER
#include <intrin.h>
#define __builtin_popcount __popcnt
#define __builtin_popcountll __popcnt64
#endif

#include <limits.h>
#include <math.h>
#include <time.h>

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <complex>
#include <cstdio>
#include <cstring>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

using namespace std;

#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REPR(i, n) for (int i = n - 1; i >= 0; --i)
#define FOR(i, m, n) for (int i = m; i < n; ++i)
#define FORR(i, m, n) for (int i = m - 1; i >= n; --i)
#define SORT(v, n) sort(v, v + n);
#define VSORT(v) sort(v.begin(), v.end());
#define REVERSE(v, n) reverse(v, v + n);
#define VREVERSE(v) reverse(v.begin(), v.end())
#define ll long long
#define print(x) cout << (x) << '\n'
#define pe(x) cout << (x) << " "
#define DEBUG(x) cout << #x << ": " << x << endl
#define lb(v, n) lower_bound(v.begin(), v.end(), (n))
#define ub(v, n) upper_bound(v.begin(), v.end(), (n))
#define int long long
#define double long double
#define all(x) (x).begin(), (x).end()
#define print_space(v) REP(i, v.size()) cout << v[i] << ((i == v.size() - 1) ? "\n" : " ")
template <typename T1, typename T2> inline void chmin(T1& a, T2 b) {
	if (a > b) a = b;
}
template <typename T1, typename T2> inline void chmax(T1& a, T2 b) {
	if (a < b) a = b;
}
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef array<int, 3> arr3;
std::random_device rd;
std::mt19937 mt(rd());
constexpr ll MOD = 998244353;
constexpr int MAX = 500050;
const double pi = acos(-1);
constexpr double EPS = 1e-8;
constexpr ll LINF = 1e18 + 1;
constexpr int INF = 1e18 + 1;

int test(int d) {
	int ans = 0;
	FOR(n, 1, 1e7) {
		string s = to_string(n);
		VREVERSE(s);
		int r = stol(s);
		if (r == n + d)ans++;
	}
	return ans;
}


ll f(ll A, ll t, int fir) {
	if (t == 0)return A == 0;
	int v = (A % 10 + 10) % 10;//Aの1の位

	ll ret = 0;
	//+ 0...v
	ret += (10 - v - fir)*f((A - t * v) / 10, t / 100, 0);
	//- v...9
	ret += (v - fir)*f((A + (10 - v)*t) / 10, t / 100, 0);
	return ret;
}

void solve() {
	ll D; cin >> D;
	if (D % 9) { print(0); return; }

	D /= 9;
	ll ret = 0;
	ll p10 = 10;
	FOR(i, 2, 19) {
		p10 *= 10;
		ll tot = (i % 2) ? 10 : 1;//桁数が奇数なら真ん中は何でも良いので×10
		ret += tot * f(D, p10 / 10 / 9, 1);
	}
	print(ret);
}



signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	mt.seed((int)(time(0)));
	//int q;
	//cin >> q;
	//while (q--)
	solve();
}



Compiler output:
a.cc:1:1: error: 'ce' does not name a type; did you mean 'pe'?
    1 | ce
      | ^~
      | pe
Language: C++

#include<iostream>
#include<cstring>
#include<vector>
using namespace std;
typedef long long LL;
const LL LEN = 6;
LL memo[LEN+1][2][2];
LL d[2*LEN+1];
vector<LL> valid[LEN+1][2][2];
LL s;
int dp(LL i, LL e, LL c)
{
	if(!(0 <= e && e <= 1))
		return 0;
	if(i==s-i-1)
		return memo[i][e][c] = c+d[i]==10*e ? 10 : 0;
	if(memo[i][e][c]!=-1)
		return memo[i][e][c];
	if(i+1==s-i-1)
	{
		LL ans = 0;
		for(LL y = 0; y <= 9; y++)
		{
			if(i==0 && y==0)
				continue;
			LL x9 = 9*y+10*d[i+1]+d[i]+c-100*e;
			if(x9%9==0 && 0 <= x9/9 && x9/9 <= 9)
			{
				ans++;
				valid[i][e][c].push_back(x9/9);
			}
		}
		return memo[i][e][c] = ans;
	}
	LL ans = 0;
	for(LL x = 0; x <= 9; x++)
	{
		LL y = (x+d[i]+c)%10;
		if(i==0 && y==0)
			continue;
		LL c_ = (x+d[i]+c)/10;
		LL e_ = 10*e+x-(y+d[s-i-1]);
		ans += dp(i+1,e_,c_);
		if(dp(i+1,e_,c_) > 0)
			valid[i][e][c].push_back(x);
	}
	return memo[i][e][c] = ans;
}
LL n[2*LEN+1];
LL count = 0;
void reconstruct(LL i, LL e, LL c)
{
	if(!(0 <= e && e <= 1))
		return;
	if(i > s-i-1)
	{
		cout<<(++count)<<": ";
		for(LL j = s-1; j >= 0; j--)
			cout<<n[j];
		cout<<endl;
		return;
	}
	if(i==s-i-1)
	{
		for(LL x = 0; x <= 9; x++)
		{
			n[i] = x;
			reconstruct(i+1,e,c);
		}
	}
	for(const LL& x : valid[i][e][c])
	{
		LL y = (x+d[i]+c)%10;
		LL c_ = (x+d[i]+c)/10;
		LL e_ = 10*e+x-(y+d[s-i-1]);
		n[i] = x;
		n[s-i-1] = y;
		reconstruct(i+1,e_,c_);
	}
}
LL main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);

	memset(d,0,sizeof d);
	LL D; cin >> D;
	for(LL i = 0; D > 0; i++, D/=10)
		d[i] = D%10;

	LL ans = 0;
	for(s = 2; s <= 2*LEN; s++)
	{
		memset(memo,-1,sizeof memo);
		ans += dp(0,0,0);
		// if(dp(0,0,0) > 0)
		// {
		// 	cout<<dp(0,0,0)<<endl;
		// 	reconstruct(0,0,0);
		// }
	}
	cout<<ans<<endl;

	cout<<flush;
	return 0;
}

Compiler output:
a.cc:81:1: error: '::main' must return 'int'
   81 | LL main()
      | ^~
Language: C++

#include<iostream>
#include<cstring>
#include<vector>
using namespace std;
typedef long long LL;
const LL LEN = 6;
LL memo[LEN+1][2][2];
LL d[2*LEN+1];
vector<LL> valid[LEN+1][2][2];
LL s;
LL dp(LL i, LL e, LL c)
{
	if(!(0 <= e && e <= 1))
		return 0;
	if(i==s-i-1)
		return memo[i][e][c] = c+d[i]==10*e ? 10 : 0;
	if(memo[i][e][c]!=-1)
		return memo[i][e][c];
	if(i+1==s-i-1)
	{
		LL ans = 0;
		for(LL y = 0; y <= 9; y++)
		{
			if(i==0 && y==0)
				continue;
			LL x9 = 9*y+10*d[i+1]+d[i]+c-100*e;
			if(x9%9==0 && 0 <= x9/9 && x9/9 <= 9)
			{
				ans++;
				valid[i][e][c].push_back(x9/9);
			}
		}
		return memo[i][e][c] = ans;
	}
	LL ans = 0;
	for(LL x = 0; x <= 9; x++)
	{
		LL y = (x+d[i]+c)%10;
		if(i==0 && y==0)
			continue;
		LL c_ = (x+d[i]+c)/10;
		LL e_ = 10*e+x-(y+d[s-i-1]);
		ans += dp(i+1,e_,c_);
		if(dp(i+1,e_,c_) > 0)
			valid[i][e][c].push_back(x);
	}
	return memo[i][e][c] = ans;
}
LL n[2*LEN+1];
LL count = 0;
void reconstruct(LL i, LL e, LL c)
{
	if(!(0 <= e && e <= 1))
		return;
	if(i > s-i-1)
	{
		cout<<(++count)<<": ";
		for(LL j = s-1; j >= 0; j--)
			cout<<n[j];
		cout<<endl;
		return;
	}
	if(i==s-i-1)
	{
		for(LL x = 0; x <= 9; x++)
		{
			n[i] = x;
			reconstruct(i+1,e,c);
		}
	}
	for(const LL& x : valid[i][e][c])
	{
		LL y = (x+d[i]+c)%10;
		LL c_ = (x+d[i]+c)/10;
		LL e_ = 10*e+x-(y+d[s-i-1]);
		n[i] = x;
		n[s-i-1] = y;
		reconstruct(i+1,e_,c_);
	}
}
LL main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);

	memset(d,0,sizeof d);
	LL D; cin >> D;
	for(LL i = 0; D > 0; i++, D/=10)
		d[i] = D%10;

	LL ans = 0;
	for(s = 2; s <= 2*LEN; s++)
	{
		memset(memo,-1,sizeof memo);
		ans += dp(0,0,0);
		// if(dp(0,0,0) > 0)
		// {
		// 	cout<<dp(0,0,0)<<endl;
		// 	reconstruct(0,0,0);
		// }
	}
	cout<<ans<<endl;

	cout<<flush;
	return 0;
}

Compiler output:
a.cc:81:1: error: '::main' must return 'int'
   81 | LL main()
      | ^~
Language: C++

#include <cstdio>
#include <algorithm>
#define R register
#define ll long long
#define int long long
using namespace std;
ll base[40];
ll D;
ll ans=0;
ll st[40];
inline void dfs(int now,int len,ll sum){
	if(now==len/2+1){
		if(sum!=D) return;
		ll tans=st[1]>=0?(9-st[1]):(9+st[1]);
		for(R int i=2;i<now;i++) tans=tans*(st[i]>=0?(10-st[i]):(10+st[i]));
		ans+=len&1?tans*10:tans;
		return ;
	}
	if(sum+10ll*(base[len-now]-base[now-1])<D) return ;
	if(sum-10ll*(base[len-now]-base[now-1])>D) return ;
	for(R int ss=-9;ss<=9;ss++){
		st[now]=ss;
		dfs(now+1,len,sum+st[now]*(base[len-now]-base[now-1]));
	}
	return ;
}
signed main(){
	cin>>D;
	int tmp=0;ll d=D;
	base[0]=1;
	while(d) tmp++,d/=10;
	for(R int i=1;i<=18;i++) base[i]=base[i-1]*10;
	for(R int i=tmp;i<=18;i++) dfs(1,i,0);
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'void dfs(long long int, long long int, long long int)':
a.cc:15:27: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   15 |                 for(R int i=2;i<now;i++) tans=tans*(st[i]>=0?(10-st[i]):(10+st[i]));
      |                           ^
a.cc:21:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   21 |         for(R int ss=-9;ss<=9;ss++){
      |                   ^~
a.cc: In function 'int main()':
a.cc:28:9: error: 'cin' was not declared in this scope
   28 |         cin>>D;
      |         ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include <algorithm>
  +++ |+#include <iostream>
    3 | #define R register
a.cc:32:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   32 |         for(R int i=1;i<=18;i++) base[i]=base[i-1]*10;
      |                   ^
a.cc:33:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   33 |         for(R int i=tmp;i<=18;i++) dfs(1,i,0);
      |                   ^
a.cc:34:9: error: 'cout' was not declared in this scope
   34 |         cout<<ans<<endl;
      |         ^~~~
a.cc:34:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:34:20: error: 'endl' was not declared in this scope
   34 |         cout<<ans<<endl;
      |                    ^~~~
a.cc:3:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    2 | #include <algorithm>
  +++ |+#include <ostream>
    3 | #define R register
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ALL(V) (V).begin(), (V).end()
#define ALLR(V) (V).rbegin(), (V).rend()

template <typename T> using V = vector<T>;
template <typename T> using VV = V<V<T>>;
template <typename T, typename U> using P = pair<T, U>;
using ll = __int128_t;
// using ll = int64_t;
using PLL = P<ll, ll>;

template <typename T> const T& var_min(const T &t) { return t; }
template <typename T> const T& var_max(const T &t) { return t; }
template <typename Head, typename... Tail> const Head& var_min(const Head &head, const Tail&... tail) { return min(head, var_min(tail...)); }
template <typename Head, typename... Tail> const Head& var_max(const Head &head, const Tail&... tail) { return max(head, var_max(tail...)); }
template <typename T, typename... Tail> void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); }
template <typename T, typename... Tail> void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); }

void init_io() {
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(30);
}

istream& operator >>(istream &is, ll &a) {
    int64_t i;
    is >> i;
    a = i;
    return is;
}

ostream& operator <<(ostream &os, ll a) {
    auto i = (int64_t)a;
    os << i;
    return os;
}

string to_string(ll a) {
    string ret;
    while(a) {
        ll t = a % 10;
        a /= 10;
        ret += '0' + t;
    }
    reverse(ALL(ret));
    return ret;
}

#define DEBUGGING
#ifdef DEBUGGING
#include "../debug.cpp"
#else
#define DEBUG(...) 0
#endif

V<ll> pow_10(17, 1);
ll dummy0[20] = {};
ll dummy1[20] = {};
ll *cnt_perm = dummy0 + 10;
ll *cnt_perm_ms = dummy1 + 10;

ll calc(ll val, ll dl, ll ds) {
    ll *arr = (ds == 0 ? cnt_perm_ms : cnt_perm);
    if(dl == ds) return arr[0] * (val == 0);
    if(dl < ds) return val == 0;
    if(to_string(abs(val)).size() > dl + 1) return 0;
    ll mul = pow_10[dl] - pow_10[ds];
    ll ret = 0;
    for(ll j = -9; j <= 9; j++) {
        ll nd = val - mul * j;
        ll rec = calc(nd, dl - 1, ds + 1);
        ret += rec * arr[j];
    }
    return ret;
}

int main() {
    init_io();
    for(ll i = 0; i <= 9; i++) for(ll j = 0; j <= 9; j++) cnt_perm[i - j]++;
    for(ll i = 1; i <= 9; i++) for(ll j = 0; j <= 9; j++) cnt_perm_ms[i - j]++;
    ll D;
    cin >> D;
    for(ll i = 1; i < pow_10.size(); i++) pow_10[i] = pow_10[i - 1] * 10;
    ll ans = 0;
    for(ll d = 1; d <= 18; d++) ans += calc(-D, d, 0);
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc:53:10: fatal error: ../debug.cpp: No such file or directory
   53 | #include "../debug.cpp"
      |          ^~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ALL(V) (V).begin(), (V).end()
#define ALLR(V) (V).rbegin(), (V).rend()

template <typename T> using V = vector<T>;
template <typename T> using VV = V<V<T>>;
template <typename T, typename U> using P = pair<T, U>;
using ll = int64_t;
using PLL = P<ll, ll>;

template <typename T> const T& var_min(const T &t) { return t; }
template <typename T> const T& var_max(const T &t) { return t; }
template <typename Head, typename... Tail> const Head& var_min(const Head &head, const Tail&... tail) { return min(head, var_min(tail...)); }
template <typename Head, typename... Tail> const Head& var_max(const Head &head, const Tail&... tail) { return max(head, var_max(tail...)); }
template <typename T, typename... Tail> void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); }
template <typename T, typename... Tail> void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); }

void init_io() {
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(30);
}

#define DEBUGGING
#ifdef DEBUGGING
#include "../debug.cpp"
#else
#define DEBUG(...) 0
#endif

V<ll> pow_10(15, 1);
ll dummy0[20] = {};
ll dummy1[20] = {};
ll *cnt_perm = dummy0 + 10;
ll *cnt_perm_ms = dummy1 + 10;

ll calc(ll val, ll dl, ll ds) {
    if(dl == ds) return 10 * (val == 0);
    if(dl < ds) return val == 0;
    if(to_string(abs(val)).size() > dl + 1) return 0;
    ll mul = pow_10[dl] - pow_10[ds];
    ll ret = 0;
    for(ll j = -9; j <= 9; j++) {
        ll nd = val - mul * j;
        ll rec = calc(nd, dl - 1, ds + 1);
        ll *arr = (ds == 0 ? cnt_perm_ms : cnt_perm);
        ret += rec * arr[j];
    }
    return ret;
}

int main() {
    init_io();
    for(ll i = 0; i <= 9; i++) for(ll j = 0; j <= 9; j++) cnt_perm[i - j]++;
    for(ll i = 1; i <= 9; i++) for(ll j = 0; j <= 9; j++) cnt_perm_ms[i - j]++;
    ll D;
    cin >> D;
    for(ll i = 1; i < pow_10.size(); i++) pow_10[i] = pow_10[i - 1] * 10;
    ll ans = 0;
    for(ll d = 1; d <= 15; d++) ans += calc(-D, d, 0);
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc:28:10: fatal error: ../debug.cpp: No such file or directory
   28 | #include "../debug.cpp"
      |          ^~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int d[30],len,dp[30][30][30];
int DP(int n){
	int ret=0;
	memset(dp,0,sizeof(dp));
	dp[0][0][0]=1;
	for(int i=0;i<(n>>1);i++)
		for(int j=0;j<10;j++)
			for(int k=0;k<10;k++)
				if(dp[i][j][k])
					for(int x=0;x<10;x++){
						int l1=x+d[i+1]+k,y=l1%10,l2=10*j+x-y-d[n-i];
						l1/=10;
 						if(l2<0||l2>9||(!i&&(!x||!y)))
							continue;
						dp[i+1][l2][l1]+=dp[i][j][k];
					}
	if(n&1){
		int mid=(n+1)>>1;
		for(int i=0;i<10;i++)
			for(int j=0;j<10;j++)
				if(dp[n>>1][i][j])
					for(int x=0;x<10;x++){
						int y=x+d[mid]+j;
						if(x==y%10&&y/10==i)
							ret+=dp[n>>1][i][j];
					}
	}
	else
		for(int i=0;i<10;i++)
			ret+=dp[n>>1][i][i];
	return ret;
}
int getans(){
	int ret=0;
	for(int i=max(2,len);i<=20;i++)
		ret+=DP(i);
	return ret;
}
void Input(){
	char c;
	do c=getchar();
	while(!isdigit(c));
	do{
		d[++len]=c^48;
		c=getchar();
	}while(isdigit(c));
	reverse(d+1,d+len+1);
	return;
}
int main(){
	Input();
	printf("%d",getans());
	return 0;
}

Compiler output:
a.cc: In function 'void Input()':
a.cc:46:16: error: 'isdigit' was not declared in this scope
   46 |         while(!isdigit(c));
      |                ^~~~~~~
Language: C++

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

Int d;
Int ans=0;

auto getK=[&](Int x,Int k){
  while(--k) x/=10;
  return x%10;
}

void dfs(Int k,Int p,Int q,Int x,Int y){
  if(p>q){
    ans+=(x+d==y); 
    return;
  }
  if(p==q){
    ans+=(x+d==y)*10;
    return;
  }
  Int nk=k+1,np=p*10,nq=q/10;
  for(Int i=0;i<10;i++){
    Int nx=x+p*i,ny=y+q*i;
    Int z=getK(nx+d,k);
    nx+=q*z;
    ny+=p*z;
    if(z==0&&p==1) continue;
    if(nx+d+q<ny) continue;
    if(nx+d>ny+q) continue;
    dfs(nk,np,nq,nx,ny);
  }
};

//INSERT ABOVE HERE
signed main(){
  cin>>d;
  vector<Int> po(20,1);
  for(Int i=0;i<18;i++) po[i+1]=po[i]*10;
  for(Int i=1;i<18;i++) dfs(1,1,po[i],0,0);
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc:8:12: error: non-local lambda expression cannot have a capture-default
    8 | auto getK=[&](Int x,Int k){
      |            ^
a.cc:13:1: error: expected ',' or ';' before 'void'
   13 | void dfs(Int k,Int p,Int q,Int x,Int y){
      | ^~~~
a.cc: In function 'int main()':
a.cc:40:25: error: 'dfs' was not declared in this scope; did you mean 'ffs'?
   40 |   for(Int i=1;i<18;i++) dfs(1,1,po[i],0,0);
      |                         ^~~
      |                         ffs
Language: C++

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

Int d;
Int ans=0;

auto getK=[&](Int x,Int k){
  while(--k) x/=10;
  return x%10;
};



template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}

void dfs(Int k,Int p,Int q,Int x,Int y){
  if(p>q){
    ans+=(x+d==y); 
    return;
  }
  if(p==q){
    ans+=(x+d==y)*10;
    return;
  }
  Int nk=k+1,np=p*10,nq=q/10;
  int a=-1,b=-1:
  for(Int i=0;i<10;i++){
    Int nx=x+p*i,ny=y+q*i;
    Int z=getK(nx+d,k);
    nx+=q*z;
    ny+=p*z;
    if(z==0&&p==1) continue;
    if(nx+d+q<ny) continue;
    if(nx+d>ny+q) continue;
    if(nx+d<=ny) a=i; 
    if(~b&&nx+d>=ny) b=i; 
  }
  
  if(~a){
    Int nx=x+p*a,ny=y+q*a;
    Int z=getK(nx+d,k);
    nx+=q*z;
    ny+=p*z;
    dfs(nk,np,nq,nx,ny);
  }
  if(~b){
    Int nx=x+p*b,ny=y+q*b;
    Int z=getK(nx+d,k);
    nx+=q*z;
    ny+=p*z;
    dfs(nk,np,nq,nx,ny);
  }
};

//INSERT ABOVE HERE
signed main(){
  cin>>d;
  vector<Int> po(20,1);
  for(Int i=0;i<18;i++) po[i+1]=po[i]*10;
  //dfs(1,1,po[16],0,0);
  for(Int i=1;i<17;i++) dfs(1,1,po[i],0,0);
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc:8:12: error: non-local lambda expression cannot have a capture-default
    8 | auto getK=[&](Int x,Int k){
      |            ^
a.cc: In function 'void dfs(Int, Int, Int, Int, Int)':
a.cc:28:16: error: expected ',' or ';' before ':' token
   28 |   int a=-1,b=-1:
      |                ^
a.cc:29:15: error: 'i' was not declared in this scope
   29 |   for(Int i=0;i<10;i++){
      |               ^
Language: C++

#include<bits\stdc++.h>

#define fo(i,j,l) for(int i=j;i<=l;++i)
#define fd(i,j,l) for(int i=j;i>=l;--i)

using namespace std;
typedef long long ll;

ll D;

int y[100],x[100];

inline ll rev(ll o)
{
	ll ans=0;
	for(;o;o/=10)ans=ans*10+o%10;
	return ans;
}

int main()
{
	cin>>D;
	ll cs=1,K=D,ans=0; int n=0;
	for(;K%10==0;K/=10)cs=(cs<<3)+cs;
	for(;K;K/=10)++n;
	int half=(n+1)>>1,zs=1;
	fo(r,1,half)zs*=10;
	fo(r,1,zs-1)if(r%10&&(r+D)%10){
		ll u=r;
		fd(i,n,n-half+1)y[i]=u%10,u/=10;
		u=r+D;
		fo(i,1,half)x[i]=u%10,u/=10;
		if(half*2!=n)
		if(x[half]!=y[half])continue;
		fo(i,1,half-(half*2!=n))y[i]=x[i];
		ll maybe=0;
		fo(i,1,n)maybe=maybe*10+y[i];
		if(rev(maybe)==maybe+D)++ans;
	}
	cout<<ans*cs;
}

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

#include<stdio.h>
#include<stdlib.h>
#define ll long long
const int Inf=1e9+10;
int gi(){
	int sum=0,f=1;char ch=getchar();
	while(ch>'9' || ch<'0'){if(ch=='-')f=-1;ch=getchar();}
	while(ch<='9' && ch>='0'){sum=sum*10+ch-'0';ch=getchar();}
	return sum*f;
}
int d;
ll ans;
int main(){
	freopen("terr.in","r",stdin);
	freopen("terr.out","w",stdout);
	int i,j,k,n,m;
	scanf("%d",&d);
	if(d%9){
		puts("0");
		return 0;
	}
	d/=9;
	ll len=1,ini=0;
	for(i=1;i<=18;i++)
		sm[i]=sm[i-1]*10;
	for(i=1;i<=17;i++){
		ll tmp=1,D=d;
		ini=ini*10+1;
		ll base=ini,lten=len,rten=1;
		for(int j=0;j<=(i>>1);j++){
			tmp*=10-abs(D%(rten*10)/rten)-(!j?1:0);
			D-=base*(D%(rten*10)/rten);
			base-=lten+rten;
			lten/=10;rten*=10;
		}
		len*=10;
		if(!D)ans+=tmp;
	}
	printf("%lld\n",ans);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:17: error: 'sm' was not declared in this scope; did you mean 'm'?
   25 |                 sm[i]=sm[i-1]*10;
      |                 ^~
      |                 m
Language: C++

#include <iostream>
#include <cstdio>
#define my_abs(x) ((x) < 0 ? -(x) : (x))
using namespace std; 
typedef long long ll; 
ll ans, fact[25]; 
int arr[25]; 
inline void chk(int len)
{
	// cout << len << " "; 
	// for (int i = 0; i <= len - 1 >> 1; i++)
	// 	printf("%d", arr[i]);
	// printf("\n");
	ll res = 9 - my_abs(arr[0]); 
	for (int i = 1; i <= len - 1 >> 1; i++)
		res *= 10 - my_abs(arr[i]); 
	ans += res; 
}
void dfs(int cur, int len, ll rem)
{
	if (cur == len >> 1)
	{
		if (!rem)
		{
			arr[cur] = 0; 
			chk(len); 
		}
		return; 
	}
	ll diff = fact[len - cur - 1] - fact[cur]; 
	// cout << cur << " " << len << " " << fact[len - cur - 1] << " " << fact[cur] << endl; 
	ll r = (rem + diff - 1) / diff, l = rem / diff; 
	if (-9 <= r && r <= 9)
	{
		arr[cur] = r; 
		dfs(cur + 1, len, rem - diff * r); 
	}
	if (l != r && -9 <= l && l <= 9)
	{
		arr[cur] = l; 
		dfs(cur + 1, len, rem - diff * l); 
	}
}
int main()
{
	// freopen("ARC075-D.in", "r", stdin); 
	ll d, x = 1; 
	int len = 0; 
	scanf("%lld", &d); 
	while (x <= d)
	{
		x *= 10; 
		len++; 
	}
	fact[0] = 1; 
	for (int i = 1; i <= 18; i++)
		fact[i] = fact[i - 1] * 10; 
	for (int cnt = len; cnt <= len << 1; cnt++)
	{
		memset(arr, 0, sizeof(arr)); 
		dfs(0, cnt, d);
	}
	printf("%lld\n", ans);
	return 0; 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:60:17: error: 'memset' was not declared in this scope
   60 |                 memset(arr, 0, sizeof(arr));
      |                 ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include <cstdio>
  +++ |+#include <cstring>
    3 | #define my_abs(x) ((x) < 0 ? -(x) : (x))
Language: C++

ll D;

ll hoge(ll A,ll t,int first) {
	if(t==0) return A==0;
	int v=(A%10+10)%10;
	ll ret=0;
	ret+=(10-v-first)*hoge((A-t*v)/10,t/100,0);
	ret+=(v-first)*hoge((A+(10-v)*t)/10,t/100,0);
	return ret;
}

void solve() {
	int i,j,k,l,r,x,y; string s;
	
	cin>>D;
	if(D%9) return _P("0\n");
	D/=9;
	ll ret=0;
	ll p10=10;
	for(i=2;i<=18;i++) {
		p10*=10;
		
		ll tot=(i%2)?10:1;
		ret += tot*hoge(D,p10/10/9,1);
	}
	cout<<ret<<endl;
	
}

Compiler output:
a.cc:1:1: error: 'll' does not name a type
    1 | ll D;
      | ^~
a.cc:3:1: error: 'll' does not name a type
    3 | ll hoge(ll A,ll t,int first) {
      | ^~
a.cc: In function 'void solve()':
a.cc:13:28: error: 'string' was not declared in this scope
   13 |         int i,j,k,l,r,x,y; string s;
      |                            ^~~~~~
a.cc:15:9: error: 'cin' was not declared in this scope
   15 |         cin>>D;
      |         ^~~
a.cc:15:14: error: 'D' was not declared in this scope
   15 |         cin>>D;
      |              ^
a.cc:16:24: error: '_P' was not declared in this scope
   16 |         if(D%9) return _P("0\n");
      |                        ^~
a.cc:18:9: error: 'll' was not declared in this scope; did you mean 'l'?
   18 |         ll ret=0;
      |         ^~
      |         l
a.cc:19:11: error: expected ';' before 'p10'
   19 |         ll p10=10;
      |           ^~~~
      |           ;
a.cc:21:17: error: 'p10' was not declared in this scope
   21 |                 p10*=10;
      |                 ^~~
a.cc:23:19: error: expected ';' before 'tot'
   23 |                 ll tot=(i%2)?10:1;
      |                   ^~~~
      |                   ;
a.cc:24:17: error: 'ret' was not declared in this scope
   24 |                 ret += tot*hoge(D,p10/10/9,1);
      |                 ^~~
a.cc:24:24: error: 'tot' was not declared in this scope
   24 |                 ret += tot*hoge(D,p10/10/9,1);
      |                        ^~~
a.cc:24:28: error: 'hoge' was not declared in this scope
   24 |                 ret += tot*hoge(D,p10/10/9,1);
      |                            ^~~~
a.cc:26:9: error: 'cout' was not declared in this scope
   26 |         cout<<ret<<endl;
      |         ^~~~
a.cc:26:15: error: 'ret' was not declared in this scope
   26 |         cout<<ret<<endl;
      |               ^~~
a.cc:26:20: error: 'endl' was not declared in this scope
   26 |         cout<<ret<<endl;
      |                    ^~~~
Language: C++

#include<iostream>
#include<queue>
#include<cstdint>
using namespace std;

int rev(int x, int y); // x桁におけるy番目の倍数を求める
int main() {
	int D, digit = 0, num, num2, pai;
	int64_t count = 0;
	queue<pair<int, int64_t> > paturn;
	pair<int, int64_t> pat;
	cin >> D;
	for (int i = D;i > 0;i /= 10) digit ++;
//	cout << "digit:" << digit << endl;
	
	for (int i = digit;i <= digit * 2;i ++) { // D～Dの桁の2倍まで
		paturn.push(make_pair(0, i % 2 ? 10 : 1));
		for (int j = 0;j < i / 2;j ++) { // その桁における組み合わせ数
			for (int k = 0;k < pow(2, j);k ++) { // queueの中身
				pat = paturn.front();
				num = pat.first;
				paturn.pop();
				pai = (D - num) / rev(i, j); // 最も近い差の値
				num2 = num + pai * rev(i, j); // 最も近い差
//				cout << "test:" << num2 << "(" << pat.second * (10 - abs(pai) - (j ? 0 : 1)) << ")" << endl; 
				paturn.push(make_pair(num2, pat.second * (10 - abs(pai) - (j ? 0 : 1))));
				if (num2 > D) pai --;
				else pai ++;
				num2 = num + pai * rev(i, j);
//				cout << "test2:" << num2 << "(" << pat.second * (10 - abs(pai) - (j ? 0 : 1)) << ")" << endl;
				paturn.push(make_pair(num2, pat.second * (10 - abs(pai) - (j ? 0 : 1))));
			}
		}
		while (!paturn.empty()) {
			pat = paturn.front();;
			paturn.pop();
			if (pat.first == D) count += pat.second;
		}
	}
	
	cout << count;
	return 0;
}
int rev(int x, int y) {
	int ret = 0;
	for (int i = 0;i < x - y * 2 - 1;i ++) {
		ret *= 10;
		ret += 9;
	}
	for (int i = 0;i < y;i ++) {
		ret *= 10;
	}
	return ret;
}
/*
2桁:9(a-b)
3桁:99(a-c)
4桁:999(a-d)+90(b-c)
5桁:9999(a-e)+990(b-d)
6桁:99999(a-f)+9990(b-e)+900(c-d)
…
あるDについて、Dの桁の2倍まで確認する必要がある
この時組み合わせは使う桁の半分(端数切捨て)個ある
*/

Compiler output:
a.cc: In function 'int main()':
a.cc:19:44: error: 'pow' was not declared in this scope
   19 |                         for (int k = 0;k < pow(2, j);k ++) { // queueの中身
      |                                            ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
map<ll,ll>loe,ano,ple;
set<ll>s;
ll d,n=1,o,ans;
ll iabs(ll x)
{
	return x<0?-x:x;
}
ll dfs(ll use,ll rest)
{
	ll k=ple[(rest%10+10)%10];
	if(use<=0)
	{
		if(rest)
			return 0;
		else
			return 1+(o&1)*9;
	}
	if(abs(rest)/abs(use)>9)
		return 0; 
	if(k)
	{
		if(ano[k]<ano[10-k])
			return ano[k]*dfs(use/100,(rest-k*use)/10)
		else
			return ano[10-k]*dfs(use/100,(rest+(10-k)*use)/10);
	}
	else
		return ano[0]*dfs(use/100,rest/10);
}
ll logi(ll use,ll rest)
{
	ll k=ple[(rest%10+10)%10];
	if(use<=0)
	{
		if(rest)
			return 0;
		else
			return 1+(o&1)*9;
	}
	if(abs(rest)/abs(use)>9)
		return 0;
	if(k)
	{
		if(loe[k]<loe[10-k])
			return loe[k]*dfs(use/100,(rest-k*use)/10)
		else
			return loe[k-10]*dfs(use/100,(rest+(10-k)*use)/10);
	}
	else
		return loe[0]*dfs(use/100,rest/10);
}
int main(void)
{
	//freopen("data4.in","r",stdin);
	//freopen("data.out","w",stdout);
	ll t=1;
	//scanf("%lld",&t);
	for(ll i=-8; i<9; i++)
		loe[i]=9-iabs(i);
	for(ll i=-9; i<10; i++)
		ano[i]=10-iabs(i);
	for(ll i=0; i<10; i++)
		ple[i*9%10]=i;
	while(t--)
	{
		o=0;
		ans=0;
		n=1;
		scanf("%lld",&d);
		for(ll i=1; i<=18; i++)
		{
			o++;
			ans+=logi(n-1,d);
			n*=10;
		}
		cout<<ans<<endl;
	}
}

Compiler output:
a.cc: In function 'll dfs(ll, ll)':
a.cc:26:67: error: expected ';' before 'else'
   26 |                         return ano[k]*dfs(use/100,(rest-k*use)/10)
      |                                                                   ^
      |                                                                   ;
   27 |                 else
      |                 ~~~~                                               
a.cc: In function 'll logi(ll, ll)':
a.cc:48:67: error: expected ';' before 'else'
   48 |                         return loe[k]*dfs(use/100,(rest-k*use)/10)
      |                                                                   ^
      |                                                                   ;
   49 |                 else
      |                 ~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
map<ll,ll>loe,ano,ple;
set<ll>s;
ll d,n=1,o,ans;
ll iabs(ll x)
{
	return x<0?-x:x;
}
ll dfs(ll use,ll rest)
{
	ll k=ple[(rest%10+10)%10];
	if(use<=0)
	{
		if(rest)
			return 0;
		else
			return 1+(o&1)*9;
	}
	if(abs(rest)/abs(use)>9)
		return 0; 
	if(k)
		return (k<10-k)*ano[k]*dfs(use/100,(rest-k*use)/10)+(k>=10-k)ano[k-10]*dfs(use/100,(rest+(10-k)*use)/10);
	else
		return ano[0]*dfs(use/100,rest/10);
}
ll logi(ll use,ll rest)
{
	ll k=ple[(rest%10+10)%10];
	if(use<=0)
	{
		if(rest)
			return 0;
		else
			return 1+(o&1)*9;
	}
	if(abs(rest)/abs(use)>9)
		return 0;
	if(k)
	{
		return (k<10-k)*loe[k]*dfs(use/100,(rest-k*use)/10)+(k>=10-k)*loe[k-10]*dfs(use/100,(rest+(10-k)*use)/10);
	}
	else
		return loe[0]*dfs(use/100,rest/10);
}
int main(void)
{
	//freopen("data4.in","r",stdin);
	//freopen("data.out","w",stdout);
	ll t=1;
	//scanf("%lld",&t);
	for(ll i=-8; i<9; i++)
		loe[i]=9-iabs(i);
	for(ll i=-9; i<10; i++)
		ano[i]=10-iabs(i);
	for(ll i=0; i<10; i++)
		ple[i*9%10]=i;
	while(t--)
	{
		o=0;
		ans=0;
		n=1;
		scanf("%lld",&d);
		for(ll i=1; i<=18; i++)
		{
			o++;
			ans+=logi(n-1,d);
			n*=10;
		}
		cout<<ans<<endl;
	}
}

Compiler output:
a.cc: In function 'll dfs(ll, ll)':
a.cc:24:78: error: expected ';' before 'ano'
   24 |                 return (k<10-k)*ano[k]*dfs(use/100,(rest-k*use)/10)+(k>=10-k)ano[k-10]*dfs(use/100,(rest+(10-k)*use)/10);
      |                                                                              ^~~
      |                                                                              ;
a.cc:25:9: error: 'else' without a previous 'if'
   25 |         else
      |         ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
map<ll,ll>loe,ano,ple;
set<ll>s;
ll d,n=1,o;
ll iabs(ll x)
{
	return x<0?-x:x;
}
ll dfs(ll use,ll rest)
{
	ll k=ple[rest%10];
	if(use<=0)
	{
		if(rest)
			return 0;
		else
			return 1+(o&1&&o!=1)*9;
	}
	if(k)
		return ano[k]*dfs((use+1)/100-1,(rest-k*use)/10)+ano[k-10]*dfs((use+1)/100-1,(rest+(10-k)*use)/10);
	else
		return ano[0]*dfs((use+1)/100-1,rest/10);
}
ll logi(ll use,ll rest)
{
	ll k=ple[rest%10];
	if(use<=0)
	{
		if(rest)
			return 0;
		else
			return 1+(o&1&&o!=1)*9;
	}
	if(k)
		return loe[k]*dfs((use+1)/100-1,(rest-k*use)/10)+loe[k-10]*dfs((use+1)/100-1,(rest+(10-k)*use)/10);
	else
		return loe[0]*dfs((use+1)/100-1,rest/10);
}
int main(void)
{
	for(ll i=-8; i<9; i++)
		loe[i]=9-iabs(i);
	for(ll i=-9; i<10; i++)
		ano[i]=10-iabs(i);
	for(ll i=0; i<10; i++)
		ple[i*9%10]=i;
	scanf("%lld",&d);
	while(n<d)
		n*=10,o++;
	n--;
	n/=10;
	cout<<logi(n,d);
}v

Compiler output:
a.cc:55:2: error: 'v' does not name a type
   55 | }v
      |  ^
Language: C++

#include <bits/stdc++.h>

#define rep(i,n) for(int i=0; i<(n); i++)
#define reps(i,x,n) for(int i=x; i<(n); i++)
#define rrep(i,n) for(int i=(n)-1; i>=0; i--)
#define all(X) (X).begin(),(X).end()
#define X first
#define Y second
#define pb push_back
#define eb emplace_back

using namespace std;
typedef long long int ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; }

template<class A, size_t N, class T> void Fill(A (&a)[N], const T &v){ fill( (T*)a, (T*)(a+N), v ); }

const ll INF = 0x3fffffff;

ll pow(int n,unsigned int m,int q=1e9+7){    //n^m%q
	if(m==0) return 1;
	ll tmp = pow(n,m/2,q);
	return ((tmp*tmp)%q)*(m%2?n:1)%q;
}

ll rev(ll N){
	ll ret = 0;
	while( N ){
		ret = ret*10 + N%10;
		N /= 10;
	}
	return ret;
}

int main(){
	//ios_base::sync_with_stdio(0);
	ll D, rD;

	cin >> D;
	rD = rev(D);

	int K = 0;
	while( pow(10,(double)K) < D ) K++;

	set<ll> ans;
	rep(k,K/2+2) rep(u,K/2+2) rep(i,pow(10,k+1)){
		ll res = (i + D);
		ll n = 0;
		rep(j,u){
			n = n*10 + res%10;
			res /= 10;
		}
		n = n*pow(10,k) + (i % pow(10,k));
		if( rev(n) == n+D ) ans.insert(n);
		if( rev(n+D) == n+D + D ) ans.insert(n+D);
	}

	cout << ans.size() << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:57:38: error: invalid operands of types 'int' and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   57 |                 n = n*pow(10,k) + (i % pow(10,k));
      |                                    ~ ^ ~~~~~~~~~
      |                                    |      |
      |                                    int    __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#include <bits/stdc++.h>
#define FOR(i,a,b) for(ut i=(a);i<(ut)(b);i++)
#define REP(i,b) FOR(i,0,b)
#define ALL(c) c.begin(),c.end()
#define PB push_back
#define cat //cout << __LINE__ << endl;
using namespace std;
typedef long long LL;
typedef double ld;
typedef LL ut;
typedef vector<ut> VI;
typedef pair<ut,ut> pr;
typedef vector<pr> Vpr;
typedef pair<ut,ut> prs;
const int SIZE=2005;
const LL p=7+1e9;
const LL INF=1<<30;
const LL INFLL=1LL<<30;
inline void IN(ut &x){cin >> x;}
inline void INA(ut n,ut x[]){REP(i,n) cin >> x[i];}
inline void INE(ut m,VI edges[]){
	ut a,b;
	REP(i,m){
		cin >> a >> b;
		edges[a].PB(b);
		edges[b].PB(a);
	}
}
inline void INEC(ut m,Vpr edges[]){
	ut a,b,c;
	REP(i,m){
		cin >> a >> b >> c;
		edges[a].PB(pr(c,b));
		edges[b].PB(pr(c,a));
	}
}
LL es[20];
LL solve(LL D,LL s,LL t){
	if(s==t) return (D==0)*10;
	else if(s>t) return D==0;
	LL dia=10;
	if(s==0) dia--;
	LL ans=0;
	if(t>=11) ans+=solve(dia-abs(0))*solve(D),s+1,t-1);
	else FOR(i,-9,10){

		if(dia==9 && i<0) continue; 
		ans+=(dia-abs(i))*solve(D+(es[s]*i-es[t]*i),s+1,t-1);
	//	cout << ans<< " "<< D << " " << i <<" " << s << " "<< t<< endl;
	}
	return ans;
}
string rev(string s){
	reverse(ALL(s));
	return s;
}
int main(){
	LL D;
	cin >> D;
	//FOR(D,1,10000){
	LL ans=0;
	es[0]=1;
	FOR(i,1,20) es[i]=es[i-1]*10;
	FOR(i,1,20) ans+=solve(D,0,i);
	int c=0;
	REP(i,100000) if(stoi(rev(to_string(i)))-i ==D) c++;
	
	if(c!=ans or D%100==0){
		cout << c <<" " << ans << " " << D<< endl;
		//cout << ans << endl;	

	}
	//}
	return 0;
}

Compiler output:
a.cc: In function 'LL solve(LL, LL, LL)':
a.cc:44:29: error: too few arguments to function 'LL solve(LL, LL, LL)'
   44 |         if(t>=11) ans+=solve(dia-abs(0))*solve(D),s+1,t-1);
      |                        ~~~~~^~~~~~~~~~~~
a.cc:38:4: note: declared here
   38 | LL solve(LL D,LL s,LL t){
      |    ^~~~~
a.cc:44:47: error: too few arguments to function 'LL solve(LL, LL, LL)'
   44 |         if(t>=11) ans+=solve(dia-abs(0))*solve(D),s+1,t-1);
      |                                          ~~~~~^~~
a.cc:38:4: note: declared here
   38 | LL solve(LL D,LL s,LL t){
      |    ^~~~~
Language: C++

#include <bits/stdc++.h>
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#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++)
int main() {
  ll N, A, B;
  cin >> N >> A >> B;
  if(A > B) {
    cout << 0 << endl;
  }
  else if(N == 2) {
    cout << 1 << endl;
  }
  else if(N == 1) {
    if(A == B) {
      cout << 1 << endl;
    }
    else {
      cout << 0 << endl;
    }
  else {
    cout << (B - A) * (N - 2) + 1 << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:3: error: expected '}' before 'else'
   23 |   else {
      |   ^~~~
a.cc:16:19: note: to match this '{'
   16 |   else if(N == 1) {
      |                   ^
Language: C++

#include <bits/stdc++.h>
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#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++)
int main() {
  ll N, A, B;
  cin >> N >> A >> B;
  if(A > B) {
    cout << 0 << endl;
  }
  else if(N = 2) {
    cout << 1 << endl;
  }
  else if(N = 1) {
    if(A == B) {
      cout << 1 << endl;
    }
    else {
      cout << 0 << endl;
    }
  else {
    cout << (B - A) * (N - 2) + 1 << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:3: error: expected '}' before 'else'
   23 |   else {
      |   ^~~~
a.cc:16:18: note: to match this '{'
   16 |   else if(N = 1) {
      |                  ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:14: error: no matching function for call to 'max(long long int, int)'
    6 |     cout<<max((n-2)*(b-a)+1,0)<<endl;
      |           ~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:6:14: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
    6 |     cout<<max((n-2)*(b-a)+1,0)<<endl;
      |           ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:6:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
    6 |     cout<<max((n-2)*(b-a)+1,0)<<endl;
      |           ~~~^~~~~~~~~~~~~~~~~
Language: C++

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

int main(){
  int a,b,c;
  cin >> a >> b >> c;
  long long  mx=c*(a-1)+b;
  long long  mn=b*(a-1)+c;
  cout << mx-mn+1 << endl;
}


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

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

int main(){
  int a,b,c;
  cin >> a >> b >> c;
  int mx=c*(a-1)+b;
  int mn=b*(a-1)+c;
  cout << mx-mn+1 << endl;
}

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

n, a, b = map(int, input().split())
if a > b:
	print(0)
else:
	print((n - 2) * (b - a) + 1)

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n, a, b = map(int, input().split())
      | ^
Language: C++

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

int main() {
  long long int N, A, B;
  cin >> N >> A >> B;
  if (N == 1 && A == B) cout << 1 << endl;
  else if (N == 1) cout << 0 << endl;
  else cout << max(0, (N - 2) * (B - A) + 1) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: no matching function for call to 'max(int, long long int)'
    9 |   else cout << max(0, (N - 2) * (B - A) + 1) << endl;
      |                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:9:19: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
    9 |   else cout << max(0, (N - 2) * (B - A) + 1) << endl;
      |                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:9:19: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    9 |   else cout << max(0, (N - 2) * (B - A) + 1) << endl;
      |                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n); for(int i = 0;i < (n);i++)
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
typedef tuple<int,int,int> state;
long double pi = acos(-1);
const int INF = 1001001001;


// 最小公倍数を求める
int euqlid (int a, int b){
  int temp;
  temp = a % b;
  if(temp == 0)return b;
  return euqlid(b,temp);
}
ll conbination(ll a,ll b){
  ll u = 1;
  ll d = 1;
  while(b != 0){
    u *= a;
    d *= b;
    a--;
    b--;
  }
  return u / d;
}
int strtoint(char s){
  return (int(s-'0'));
}
char changeS(char alpha){
  if(0x41 <= alpha and alpha <= 0x5A)return (alpha + 0x20);
  else if(0x61 <= alpha and alpha <= 0x7A)return (alpha - 0x20);
  return alpha;
}
int fact(int n){
  if(n == 1)return 1;
  return n * fact(n-1);
  }
int ceil(int a,int b){
  // a/bの切り上げを考える
  return (a+b-1)/b;
}

int main() {
  int n, a, b;
  cin >> n >> a >> b;

  ll ub = (n - 1) * b + a;
  ll lb = b + (n - 1) * a;

  ll ans;
  if(b - a < 0 or n = 0)ans = 0;
  else if(b != a and n == 1)ans = 0;
  else ans = ub - lb + 1;
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:54:16: error: lvalue required as left operand of assignment
   54 |   if(b - a < 0 or n = 0)ans = 0;
      |      ~~~~~~~~~~^~~~
Language: C++

#include <bits/stdc++.h>
#define REP(i,n) for (int i=0; i<(n); ++i)
#define REPR(i,n,m) for (int i=(n); i>=(m); --i)
using namespace std;
using LL = long long;
using LD = long double;
using PLL = pair<long long, long long>;
using PLD = pair<long double, long double>;
using VLL = vector<long long>;
using VLD = vector<long double>;
using VPLD = vector<PLD>;

const int INF = numeric_limits<int>::max();

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

    int n, a, b; cin >> n >> a >> b;

    if (a>b) { 
        cout << 0 << endl; 
    } else if (n==1&&a!=b) {
        cout << 0 << endl;
    } else if (n==1&&a==b) {
        cout << 1 << endl;
    } else {
        cout << (b-a)(n-2) + 1 << endl;
    }

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:22: error: expression cannot be used as a function
   28 |         cout << (b-a)(n-2) + 1 << endl;
      |                 ~~~~~^~~~~