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

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>

#define F first
#define S second
#define int long long
#define ull  unsigned long long
#define pb push_back

using namespace std;
using namespace __gnu_pbds;
typedef  tree< int , null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

const int N = 2002;
int a[N], b[N], n, r[N], l[N], c[N], s[N];
int d(int x, int y){
    int d1 = abs(x - y);
    int d2 = n - d1;
    return min(d1, d2);
}
main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    //freopen("input.txt",  "r", stdin);
    //freopen("output.txt", "w", stdout);
    string s1, s2;
    cin >> s1;
    cin >> s2;
    n = s1.length();
    int f1 = 0, f2 = 0;
    for (int i = 0; i < n; i++){
        a[i] = s1[i] - '0';
        b[i] = s2[i] - '0';
        f1 += a[i];
        f2 += b[i];
    }
    if (f2 == 0){
        if (f1 == 0) cout << 0; else cout << -1;
        return 0;
    }
    for (int i = 0; i < n; i++){
        int p = i;
        int x = 0;
        while(b[p] == 0 && x <= n){
            p = (p + 1) % n;
            x++;
        }
        r[i] = x;
        p = i;
        x = 0;
        while(b[p] == 0 && x <= n){
            p = (p - 1 + n) % n;
            x++;
        }
        l[i] = x;
    }
    int ans = 100000;
    for (int i = 0; i < n; i++){
        int x = 0;
        vector < pair < int, int > > t;
        for (int j = 0; j < n; j++){
            c[j] = b[(j + i) % n];
            if (c[j] != a[j]){
                x++;
                t.pb({r[j], l[j]});
            }
        }
        sort(t.begin(), t.end());
        if (t.size() == 0) ans = min(ans, x);
        memset(s, 0, sizeof(s));
        s[j + 1] = -1;
        for (int j = (int)t.size() - 1; j >= 0; j--){
            s[j] = max(s[j + 1], t[j].S);
        }
        t.pb({0, s[0]});
        for (int j = 0; j < t.size(); j++){
            int R = t[j].F;
            int L = s[j + 1];
            if (j == t.size() - 1){
                R = -1;
                L = s[0];
            }
            int k;
            int p1 = (n - i) % n;
            int p2 = (n - R) % n;
            int p3 = L;
            if (i <= R){
                k = R + R + L + L - i + x;
            } else{
                k = min(L + L + R + d(p2, p1), L + R + R + d(p3, p1)) + x;
            }
            ans = min(ans, k);
        }
    }
    cout << ans;
}


Compiler output:
a.cc:21:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:72:11: error: 'j' was not declared in this scope
   72 |         s[j + 1] = -1;
      |           ^
Language: C++

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

int dist(int a, int n){
	return min((a+n+n)%n,(n+n+n-a)%n);
}
int main(){
	string a, b;
	cin >> a >> b;
	int n = a.size();
	int ok = 0;
	int oka = 1;
	for(int i = 0; i < n; i++){
		if(b[i] == '1') ok = 1;
		if(a[i] != b[i]) oka = 0;
	}

	if(!ok){
		if(oka){
			cout << 0 << endl;
			return 0;
		}
		cout << -1 << endl;
		return 0;
	}
	map<int,int> vis;
	int nvis = 0;
	for(int i = 0; i < n; i++){
		vis[i] = 0;
		if(a[i] == '0'){
			vis[i] = 1000000;
			nvis++;
		}
	}
	int e = 0;
	int ans = 1000000;
	vector<int> oks, oke;
	for(int s = 0; s < n; s++){
		// using [s,e) ok
		while(nvis < n || e <= s){
			for(int i = 0; i < n; i++){
				nvis -= (vis[(i+e)%n] > 0);
				vis[(i+e)%n] += (b[i] == '1');
				nvis += (vis[(i+e)%n] > 0);
			}
			e++;
		}
		for(int e2 = e; e2 <= s + n + 2; e2++){
			oks.push_back(s);
			oke.push_back(e2-1);
		}
		//cout << s << " " << e << " " << p << endl;
		for(int i = 0; i < n; i++){
			nvis -= (vis[(i+s)%n] > 0);
			vis[(i+s)%n] -= (b[i] == '1');
			nvis += (vis[(i+s)%n] > 0);
		}
	}
	int diff[n];
	for(int s = 0; s < n; s++){
		diff[s] = 0;
		for(int i = 0; i < n; i++){
			if(a[(i+s) % n] != b[i]) diff[s]++;
		}
	}

	for(int c = 0; c < oks.size(); c++){
		int zs = oks[c];
		int ze = oke[c];
		//cout << s << " " << ze << endl;
		int p = dist(ze%n,n) + (ze-zs) + diff[(n-zs%n)%n];
		int q = dist(zs%n,n) + (ze-zs) + diff[(n-ze%n)n];
		ans = min(ans, min(p,q));

	}
	cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:73:63: error: expected ']' before 'n'
   73 |                 int q = dist(zs%n,n) + (ze-zs) + diff[(n-ze%n)n];
      |                                                               ^
      |                                                               ]
a.cc:73:63: error: expected ',' or ';' before 'n'
Language: C++

#include <bits/stdc++.h>
#define ll long long

#define TASKNAME ""

using namespace std;

const int INF = 1e9 + 7;
const int MAXN = 1e5 + 7;
const double EPS = 1e-8;
const int LOGN = 30;

string a, b;
int n;
vector <int> shiftL, shiftR;

int try1(int st) {
    int cnt = 0;
    vector <pair <int, int> > d1, d2;
    multiset <int> q1, q2;
    for (int i = 0; i < n; i++) {
        if (b[i] != a[(i + st) % n]) {
            cnt++;
            d1.push_back({shiftL[i], shiftR[i]});
            d2.push_back({shiftR[i], shiftL[i]});
            q1.insert(shiftR[i]);
            q2.insert(shiftL[i]);
        }
    }
    if (!d1.size()) {
        return min(st, (n - st) % n));
    }
    sort(d1.begin(), d1.end());
    sort(d2.begin(), d2.end());
    int ans = INF;
    int sz = st;
    ans = min(ans, *q1.rbegin() + abs(*q1.rbegin() - st));
    ans = min(ans, *q2.rbegin() + abs(*q2.rbegin() - (n - st) % n));
    for (int i = 0; i < (int) d1.size() - 1; i++) {
        q1.erase(q1.find(d1[i].second));
        int x = *q1.rbegin();
        ans = min(ans, 2 * d1[i].first + x + abs(x - sz));
    }
    sz = (n - st) % n;
    for (int i = 0; i < (int) d2.size() - 1; i++) {
        q2.erase(q2.find(d2[i].second));
        int x = *q2.rbegin();
        ans = min(ans, 2 * d2[i].first + x + abs(x - sz));
    }
    return ans + cnt;
}
int main() {
    #ifdef MY
        freopen("input.txt", "r", stdin);
        //freopen("output.txt", "w", stdout);
    #else
        //freopen(TASKNAME".in", "r", stdin);
        //freopen(TASKNAME".out", "w", stdout);
    #endif // MY
    ios_base::sync_with_stdio(0);
    cin >> a >> b;
    bool fl = 0;
    for (char c : b) {
        if (c == '1') {
            fl = 1;
            break;
        }
    }
    if (!fl) {
        cout << "-1\n";
        return 0;
    }
    n = a.size();
    shiftL.resize(n);
    shiftR.resize(n);
    int pos = n - 1;
    while (b[pos] != '1') pos--;
    for (int i = 0; i < n; i++) {
        if (b[i] == '1') pos = i;
        shiftL[i] = (i - pos + n) % n;
    }
    pos = 0;
    while (b[pos] != '1') pos++;
    for (int i = n - 1; i >= 0; i--) {
        if (b[i] == '1') pos = i;
        shiftR[i] = (pos - i + n) % n;
    }
    int ans = INF;
    for (int spos = 0; spos < n; spos++) {
        int x = try1(spos);
        ans = min(ans, x);
    }
    cout << ans;
}


Compiler output:
a.cc: In function 'int try1(int)':
a.cc:31:37: error: expected ';' before ')' token
   31 |         return min(st, (n - st) % n));
      |                                     ^
      |                                     ;
a.cc:31:37: error: expected primary-expression before ')' token
Language: C++

#include <iostream>
#include <algorithm>
#include<cmath>
#include<cstring>
#include<cstdio>
#include<cstdlib>
#include<vector>
#include<iomanip>
#include<queue>
#include<set>
#define sqr(x) (x)*(x)
using namespace std;
string st1,st2,st3;
vector<int> ind,ned;
set<string> can;
int n,m,i,j,dep,ans1,ans2,ans3,ans4,pos,lst;
string lft(string st1)
{
	string st3=st1;
	int i;
	st3[n-1]=st3[0];
	for (i=0;i<n-1;i++) st3[i]=st1[i+1];
	return st3;
}
string rig(string st1)
{
	string st3=st1;
	int i;
	st3[0]=st3[n-1];
	for (i=n-1;i;i--) st3[i]=st1[i-1];
	return st3;
}
int main()
{
	cin>>st1>>st2;
	if (st1==st2)
	{
		cout<<0;
		return 0;
	}
	n=st1.length();
	for (i=0;i<n;i++)
	{
		if (st2[i]=='1') ind.push_back(i);
		if (st1[i]!=st2[i]) ned.push_back(i);
	}
	for (i=1;i<=n;i++)
	{
		string t="";
		t.push_back(st2[n-1]);
		st2.insert(0,t);
		st2.erase(n-1);
		can.insert(st2);
	}
	if (ind.empty()) {cout<<-1;return 0;}
	for (i=0;i<ned.size();i++)
	{
		while (st2[(pos+ned[i])%n]!='1')
		{
			pos++;
			ans1++;
			ans2++;
		}
	}
	lst=pos;
	st3=st1;
	while (!(pos%n))
	{
		st3=lft(st3);
		pos--;
	}
	while (!can.count(st3))
	{
		st3=lft(st3);
		cerr<<st3<<endl;
		ans1++;
	}
	pos=lst+sqr(n);
	st3=st1;
	while (!(pos%n))
	{
		st3=lft(st3);
		pos--;
	}
	while (!can.count(st3))
	{
		st3=rig(st3);
		ans2++;
	}
	pos=sqr(n);
	for (i=0;i<ind.size();i++)
	{
		while (!ned[(pos+ned[i])%n])
		{
			pos--;
			ans3++;
			ans4++;
		}
	}
	lst=pos;
	st3=st1;
	while (!(pos%n))
	{
		st3=lft(st3);
		pos--;
	}
	while (!can.count(st3))
	{
		st3=lft(st3);
		ans3++;
	}
	pos=lst+sqr(n);
	st3=st1;
	while (!(pos%n))
	{
		st3=lft(st3);
		pos--;
	}
	while (!can.count(st3))
	{
		st3=rig(st3);
		ans4++;
	}
	cout<<min(min(ans1,ans2),min(ans3,ans4));
	return 0;
}
sftdyguhjklsfjidsokl,f;dkjfiklew;kofwel;,fkweolfwefm;fknslkd

Compiler output:
a.cc:127:1: error: 'sftdyguhjklsfjidsokl' does not name a type
  127 | sftdyguhjklsfjidsokl,f;dkjfiklew;kofwel;,fkweolfwefm;fknslkd
      | ^~~~~~~~~~~~~~~~~~~~
a.cc:127:24: error: 'dkjfiklew' does not name a type
  127 | sftdyguhjklsfjidsokl,f;dkjfiklew;kofwel;,fkweolfwefm;fknslkd
      |                        ^~~~~~~~~
a.cc:127:34: error: 'kofwel' does not name a type
  127 | sftdyguhjklsfjidsokl,f;dkjfiklew;kofwel;,fkweolfwefm;fknslkd
      |                                  ^~~~~~
a.cc:127:41: error: expected unqualified-id before ',' token
  127 | sftdyguhjklsfjidsokl,f;dkjfiklew;kofwel;,fkweolfwefm;fknslkd
      |                                         ^
a.cc:127:53: error: expected constructor, destructor, or type conversion before ';' token
  127 | sftdyguhjklsfjidsokl,f;dkjfiklew;kofwel;,fkweolfwefm;fknslkd
      |                                                     ^
a.cc:127:54: error: 'fknslkd' does not name a type
  127 | sftdyguhjklsfjidsokl,f;dkjfiklew;kofwel;,fkweolfwefm;fknslkd
      |                                                      ^~~~~~~
Language: C++

#define _USE_MATH_DEFINES

#include <iostream>
#include <iterator>
#include <fstream>
#include <string>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <cmath>
#include <queue>
#include <unordered_set>
#include <ctime>

using namespace std;
using ll = long long;
const ll INF = 0x3f3f3f3f3f3f3f3fLL;

void solve() {
	string A, B;
	getline(cin, A);
	getline(cin, B);
	int n = A.size();
	if (B == string(n, '0')) {
		cout << ((A == B) ? 1 : -1);
		return;
	}
	vector<int> r_cl(n, INT_MAX);
	vector<int> l_cl(n, INT_MAX);
	for (int i = 0; i < n; i++) {
		for (int l = 0; l < n; l++) {
			if (B[(i - l + n) % n] == '1') {
				l_cl[i] = l;
				break;
			}
		}
		for (int r = 0; r < n; r++) {
			if (B[(i + r) % n] == '1') {
				r_cl[i] = r;
				break;
			}
		}
	}
	B += B;
	int ans = INT_MAX;
	for (int start = 0; start < n; start++) {
		string C = B.substr(start, n);
		vector<pair<int,int>> psl({{0,0}}), psr({{0,0}});
		int cnt = 0;
		multiset<int> sl({0}), sr({0});
		for (int i = 0; i < n; i++) {
			if (A[i] != C[i]) {
				cnt++;
				psl.push_back({l_cl[i], r_cl[i]});
				psr.push_back({r_cl[i], l_cl[i]});
				sl.insert(l_cl[i]);
				sr.insert(r_cl[i]);
			}
		}
		sort(psl.begin(), psl.end());
		sort(psr.begin(), psr.end());
		ans = min(ans, cnt + n + min(start, n - start));
		for (int i = 0; i < psl.size(); i++) {
			int l = psl[i].first;
			int r = psl[i].second;
			sr.erase(r);
			int new_ans = cnt;
			new_ans += l;
			if (!sr.empty()) {
				auto x = sr.end();
				x--;
				new_ans += *x + l;
				new_ans += min(abs(start - *x), n - abs(start - *x));
			} else {
				new_ans += min(abs(start - (n - l) % n), n - abs(start - (n - l) % n));
			}
			ans = min(ans, new_ans);
		}
		for (int i = 0; i < psr.size(); i++) {
			int r = psl[i].first;
			int l = psl[i].second;
			sl.erase(l);
			int new_ans = cnt;
			new_ans += r;
			if (!sl.empty()) {
				auto x = sl.end();
				x--;
				new_ans += *x + r;
				new_ans += min(abs(start - (n - *x) % n), n - abs(start - (n - *x) % n));
			} else {
				new_ans += min(abs(start - r), n - abs(start - r));
			}
			ans = min(ans, new_ans);
		}
	}
	cout << ans;
}

int main() {
#ifdef LOCAL
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
#endif

	solve();

#ifdef LOCAL
	cerr << double(clock()) / CLOCKS_PER_SEC << " sec" << endl;
#endif
	return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:29:29: error: 'INT_MAX' was not declared in this scope
   29 |         vector<int> r_cl(n, INT_MAX);
      |                             ^~~~~~~
a.cc:15:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   14 | #include <ctime>
  +++ |+#include <climits>
   15 |
Language: C++

#include <stdio.h>
#include <vector>
#include <queue>
using namespace std;

int N;
char A[2005], B[2005];
int right[2005], left[2005];

int min(int a, int b){ return a < b ? a : b; }

int res = 1e9;

void perform(){
    
    for(int i=0; i<N; i++) left[i] = 0, right[i] = 0;
    
    int last = 1e9;
    for(int i=N-1; i>=0; i--){
        if(B[i] == '1') last = i;
        right[i] = last-i;
    }
    for(int i=N-1; i>=0; i--){
        if(B[i] == '1') break;
        right[i] = N+last-i;
    }
    
    last = -1e9;
    for(int i=0; i<N; i++){
        if(B[i] == '1') last = i;
        left[i] = i-last;
    }
    for(int i=0; i<N; i++){
        if(B[i] == '1') break;
        left[i] = N+i-last;
    }
    
    // shift to the left, right <= st is free
    for(int st=0; st<N; st++){
        priority_queue<pair<int, int>> pq;
        int mismatched = 0;
        for(int ind=0; ind<N; ind++){
            int loc = (st+ind)%N;
            if(A[loc] != B[ind]) mismatched++;
            else continue;
            if(right[ind] <= st) continue;
            pq.push({left[loc], right[ind]});
        }
        for(int sh=0; sh<N; sh++){
            while(!pq.empty()){
                int rr = pq.top().second;
                if(sh >= rr-st) pq.pop();
                else break;
            }
            int need = 0;
            if(!pq.empty()) need = pq.top().first;
            res = min(res, mismatched + st + 2*(need+sh));
        }
    }
    
}

int main(){
    scanf("%s%s", A, B);
    for(N=0; A[N]; N++);
    perform();
    reverse(A, A+N);
    reverse(B, B+N);
    perform();
    if(res > 1e6) printf("-1");
    else printf("%d", res);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:67:5: error: 'reverse' was not declared in this scope
   67 |     reverse(A, A+N);
      |     ^~~~~~~
Language: Java

import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class D {
  static Scanner sc = new Scanner(System.in);
  static int N;

  public static void main(String[] args) {
    System.out.println(solve());
  }

  static int solve() {
    char[] A = sc.next().toCharArray();
    char[] B = sc.next().toCharArray();
    N = A.length;
    int lastOnePos = N;
    for (int i = N - 1; i >= 0; i--) {
      if (B[i] == '1') {
        lastOnePos = i;
        break;
      }
    }
    if (lastOnePos == N) {
      for (char c : A) {
        if (c == '1') {
          return -1;
        }
      }
      return 0;
    }
    int ans = solve(A, B, lastOnePos);
    for (int i = 0; i < N / 2; i++) {
      char tmp = A[i];
      A[i] = A[N - 1 - i];
      A[N - 1 - i] = tmp;
      tmp = B[i];
      B[i] = B[N - 1 - i];
      B[N - 1 - i] = tmp;
    }
    for (int i = N - 1; i >= 0; i--) {
      if (B[i] == '1') {
        lastOnePos = i;
        break;
      }
    }
    return Math.min(ans, solve(A, B, lastOnePos));
  }

  static int solve(char[] A, char[] B, int lastOnePos) {
    int ans = N;
    for (int i = 0; i < N; i++) {
      if (A[i] != B[i]) ++ans;
    }
    int[] prevPos = new int[N];
    int[] nextPos = new int[N];
    int p = lastOnePos - N;
    for (int i = 0; i < N; i++) {
      if (B[i] == '1') p = i;
      prevPos[i] = p;
    }
    int n = 0;
    while (B[n] == '0') {
      ++n;
    }
    n += N;
    for (int i = N - 1; i >= 0; i--) {
      if (B[i] == '1') n = i;
      nextPos[i] = n;
    }
    ArrayList<Integer> rest = new ArrayList<>();
    for (int i = 0; i < N; i++) {
      rest.clear();
      int diff = 0;
      for (int j = 0; j < N; j++) {
        if (A[j] != B[(j - i + N) % N]) {
          ++diff;
          if (j - prevPos[j] > i) {
            rest.add(((j - prevPos[j] - i) << 16) | (nextPos[j] - j));
          }
        }
      }
      int move;
      if (!rest.isEmpty()) {
        Collections.sort(rest);
        int[] revMax = new int[rest.size() + 1];
        for (int j = rest.size() - 1; j >= 0; j--) {
          revMax[j] = Math.max(revMax[j + 1], rest.get(j) & 0xFFFF);
        }
        move = revMax[0];
        for (int j = 0; j < rest.size(); j++) {
          move = Math.min(move, (rest.get(j) >> 16) + revMax[j + 1]);
        }
      } else {
        move = 0;
      }
//      System.out.println(rest);
//      System.out.println(i + " " + diff + " " + move);
      ans = Math.min(ans, diff + move * 2 + i);
    }
    return ans;
  }

}


Compiler output:
Main.java:5: error: class D is public, should be declared in a file named D.java
public class D {
       ^
1 error
Language: C++

#include<iostream>
#include<cstdio>
#include<cstring>
#define N 20010
#define ll long long
#define mod 998244353
using namespace std;
ll ksm(ll a,ll b=mod-2)
{
	if(b==0) return 1;
	if(b==1) return a;
	ll q=ksm(a,b>>1);
	if(b&1)return q*q%mod*a%mod;
	return q*q%mod;
}
ll fac[N],inv[N],f[N][N];
ll C(int a,int b)
{
	if(b<0 || b>a) return 0;
	if(a==b || b==0) return 1;
	return fac[a]*inv[b]%mod*inv[a-b]%mod;
}
char s1[N],s2[N];
int main()
{
	int n,m;
	scanf("%s%s",s1,s2);
	n=strlen(s1);
	fac[0]=1;
	for(int i=1;i<=2*n;i++) fac[i]=fac[i-1]*i%mod;
	inv[2*n]=ksm(fac[2*n],mod-2);
	for(int i=2*n-1;i>=0;i--) inv[i]=inv[i+1]*(i+1)%mod;
	int sum1=0,sum2=0;
	for(int i=0;i<n;i++)
	sum1+=s1[i]=='1' && s2[i]=='1';
	for(int i=0;i<n;i++)
	sum2+=s1[i]=='1' && s2[i]=='0';
	for(int i=0;i<=sum2;i++) f[0][i]=fac[i]*fac[i]%mod;
	for(int i=1;i<=sum1;i++)
        for(int j=1;j<=sum2;j++)
            f[i][j]=(f[i-1][j]*i%mod*j%mod+f[i][j-1]*j%mod*j%mod)%mod;
    ll ans=0;
    for(int i=0;i<=sum1;i++)
    ans=(ans+f[sum1-i][sum2]*fac[i]%mod*fac[i]%mod*C(sum1,i)%mod*C(sum1+sum2,i))%mod;
	printf("%lld\n",ans);
	return 0;
}


Compiler output:
/tmp/ccLGfOeJ.o: in function `main':
a.cc:(.text+0x204): relocation truncated to fit: R_X86_64_PC32 against symbol `s2' defined in .bss section in /tmp/ccLGfOeJ.o
a.cc:(.text+0x20e): relocation truncated to fit: R_X86_64_PC32 against symbol `s1' defined in .bss section in /tmp/ccLGfOeJ.o
a.cc:(.text+0x22c): relocation truncated to fit: R_X86_64_PC32 against symbol `s1' defined in .bss section in /tmp/ccLGfOeJ.o
a.cc:(.text+0x3b5): relocation truncated to fit: R_X86_64_PC32 against symbol `s1' defined in .bss section in /tmp/ccLGfOeJ.o
a.cc:(.text+0x3c9): relocation truncated to fit: R_X86_64_PC32 against symbol `s2' defined in .bss section in /tmp/ccLGfOeJ.o
a.cc:(.text+0x404): relocation truncated to fit: R_X86_64_PC32 against symbol `s1' defined in .bss section in /tmp/ccLGfOeJ.o
a.cc:(.text+0x418): relocation truncated to fit: R_X86_64_PC32 against symbol `s2' defined in .bss section in /tmp/ccLGfOeJ.o
collect2: error: ld returned 1 exit status
Language: C++

#include<iostream>
#include<cstdio>
#include<cstring>
#define N 20010
#define ll long long
#define mod 998244353
using namespace std;
ll ksm(ll a,ll b=mod-2)
{
	if(b==0) return 1;
	if(b==1) return a;
	ll q=ksm(a,b>>1);
	if(b&1)return q*q%mod*a%mod;
	return q*q%mod;
}
ll fac[N],inv[N],f[N][N];
ll C(int a,int b)
{
	if(b<0 || b>a) return 0;
	if(a==b || b==0) return 1;
	return fac[a]*inv[b]%mod*inv[a-b]%mod;
}
char s1[N],s2[N];
int main()
{
	int n,m;
	scanf("%s%s",s1,s2);
	n=strlen(s1);
	fac[0]=1;
	for(int i=1;i<=2*n;i++) fac[i]=fac[i-1]*i%mod;
	inv[2*n]=ksm(fac[2*n],mod-2);
	for(int i=2*n-1;i>=0;i--) inv[i]=inv[i+1]*(i+1)%mod;
	int sum1=0,sum2=0;
	for(int i=0;i<n;i++)
	sum1+=s1[i]=='1' && s2[i]=='1';
	for(int i=0;i<n;i++)
	sum2+=s1[i]=='1' && s2[i]=='0';
	for(int i=0;i<=sum2;i++) f[0][i]=fac[i]*fac[i]%mod;
	for(int i=1;i<=sum1;i++)
        for(int j=1;j<=sum2;j++)
            f[i][j]=(f[i-1][j]*i%mod*j%mod+f[i][j-1]*j%mod*j%mod)%mod;
    ll ans=0;
    for(int i=0;i<=sum1;i++)
    ans=(ans+f[sum1-i][sum2]*fac[i]%mod*fac[i]%mod*C(sum1,i)%mod*C(sum1+sum2,i))%mod;
	printf("%lld\n",ans);
	return 0;
}


Compiler output:
/tmp/cceVwqcL.o: in function `main':
a.cc:(.text+0x204): relocation truncated to fit: R_X86_64_PC32 against symbol `s2' defined in .bss section in /tmp/cceVwqcL.o
a.cc:(.text+0x20e): relocation truncated to fit: R_X86_64_PC32 against symbol `s1' defined in .bss section in /tmp/cceVwqcL.o
a.cc:(.text+0x22c): relocation truncated to fit: R_X86_64_PC32 against symbol `s1' defined in .bss section in /tmp/cceVwqcL.o
a.cc:(.text+0x3b5): relocation truncated to fit: R_X86_64_PC32 against symbol `s1' defined in .bss section in /tmp/cceVwqcL.o
a.cc:(.text+0x3c9): relocation truncated to fit: R_X86_64_PC32 against symbol `s2' defined in .bss section in /tmp/cceVwqcL.o
a.cc:(.text+0x404): relocation truncated to fit: R_X86_64_PC32 against symbol `s1' defined in .bss section in /tmp/cceVwqcL.o
a.cc:(.text+0x418): relocation truncated to fit: R_X86_64_PC32 against symbol `s2' defined in .bss section in /tmp/cceVwqcL.o
collect2: error: ld returned 1 exit status
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	cin>>a>>b;
	
	
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: 'a' was not declared in this scope
    7 |         cin>>a>>b;
      |              ^
a.cc:7:17: error: 'b' was not declared in this scope
    7 |         cin>>a>>b;
      |                 ^
Language: C++

#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#define MAXN 500010
#define MOD 998244353
#define G 3
inline int fuck(int x, int p) {
    int y = 1;
    while (p) {
        if (p & 1) y = 1LL * y * x % MOD;
        x = 1LL * x * x % MOD;
        p >>= 1;
    }
    return y;
}
inline void NTT(int *a, int n, int e) {
    for (int i = 1, j = 0; i < n - 1; i++) {
        for (int t = n; ~j & t; j ^= t) t >>= 1;
        if (i < j) std::swap(a[i], a[j]);
    }
    for (int k = 1; k < n; k <<= 1) {
        int t = k << 1, wn = fuck(G, (MOD - 1) / t);
        for (int i = 0; i < n; i += t) {
            for (int j = 0, w = 1; j < k; j++, w = 1LL * w * wn % MOD) {
                int x = a[i + j], y = 1LL * w * a[i + j + k] % MOD;
                a[i + j] = (x + y) % MOD;
                a[i + j + k] = (x - y + MOD) % MOD;
            }
        }
    }
    if (e) {
        std::reverse(a + 1, a + n);
        for (int i = 0, w = fuck(n, MOD - 2); i < n; i++) a[i] = 1LL * a[i] * w % MOD;
    }
}

int A[MAXN], B[MAXN];
inline void mul(int *a, int *b, int len) {
    int t = 1;
    while (t < len * 2) t <<= 1;
    memset(A, 0, sizeof(int) * t);
    memset(B, 0, sizeof(int) * t);
    memcpy(A, a, sizeof(int) * len);
    memcpy(B, b, sizeof(int) * len);
    NTT(A, t, 0);
    NTT(B, t, 0);
    for (int i = 0; i < t; i++) A[i] = 1LL * A[i] * B[i] % MOD;
    NTT(A, t, 1);
    memcpy(a, A, sizeof(int) * len);
}
int n, t0, t1, frc[MAXN], inv[MAXN];
char buf0[MAXN], buf1[MAXN];
int a[MAXN], b[MAXN];
int main() {
    gets(buf0 + 1);
    gets(buf1 + 1);
    n = strlen(buf0 + 1);
    for (int i = 1; i <= n; i++) {
        t0 += buf0[i] == '1' && buf1[i] == '1';
        t1 += buf0[i] == '1' && buf1[i] == '0';
    }
    frc[0] = 1;
    for (int i = 1; i < MAXN; i++) frc[i] = 1LL * frc[i - 1] * i % MOD;
    inv[MAXN - 1] = fuck(frc[MAXN - 1], MOD - 2);
    for (int i = MAXN - 1; i; i--) inv[i - 1] = 1LL * inv[i] * i % MOD;
    a[0] = 1;
    int p = t1;
    int len = t0 + 1;
    for (int i = 0; i < len; i++) b[i] = inv[i + 1];
    while (p) {
        if (p & 1) mul(a, b, len);
        mul(b, b, len);
        p >>= 1;
    }
    int ans = 0;
    for (int i = 0; i < len; i++) {
        (ans += 1LL * a[i] * frc[t0] % MOD * frc[t1] % MOD * frc[t0 + t1] % MOD) %= MOD;
    }
    (ans += MOD) %= MOD;
    printf("%d\n", ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:56:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
   56 |     gets(buf0 + 1);
      |     ^~~~
      |     getw
Language: C++

#include <algorithm>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <sstream>
#include <functional>
#include <map>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <list>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> P;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const ll INF = 1LL<<29;
const ll mod = 998244353;
#define rep(i,n) for(int (i)=0;(i)<(ll)(n);++(i))
#define repd(i,n,d) for(ll (i)=0;(i)<(ll)(n);(i)+=(d))
#define all(v) (v).begin(), (v).end()
#define pb(x) push_back(x)
#define mp(x,y) make_pair((x),(y))
#define mset(m,v) memset((m),(v),sizeof(m))
#define chmin(X,Y) ((X)>(Y)?X=(Y),true:false)
#define chmax(X,Y) ((X)<(Y)?X=(Y),true:false)
#define fst first
#define snd second
#define UNIQUE(x) (x).erase(unique(all(x)),(x).end())
template<class T> ostream &operator<<(ostream &os, const vector<T> &v){int n=v.size();rep(i,n)os<<v[i]<<(i==n-1?"":" ");return os;}

#define M 510
string a, b;
int n, dp[M][M][M];
ll xx = 0, yy = 0, zz;

ll rec(ll x, ll y, ll z){
	if(z<0 || x>xx || y>yy || z>zz) return 0;
	ll &res = dp[x][y][z];
	if(res>=0) return res;
	return res = (rec(x+1, y, z)*(x+1)*(y+2*z+1) + rec(x, y+1, z)*(y+1)*(y+1) + rec(x, y, z+1)*(z+1)*(z+1) + rec(x+2, y, z-1)*(x+2)*(x+1))%mod;
}

int main(){
	cin>>a>>b;
	n = a.size();
	if(n>=M) return -1;
	rep(i, n){
		if(a[i]=='1' && b[i]=='1') xx++;
		if(a[i]=='1' && b[i]=='0') yy++;
	}
	mset(dp, -1);
	dp[xx][yy][0] = 1;
	zz = xx/2;
	cout<<rec(0, 0, 0)<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'll rec(ll, ll, ll)':
a.cc:48:29: error: cannot bind non-const lvalue reference of type 'll&' {aka 'long long int&'} to a value of type 'int'
   48 |         ll &res = dp[x][y][z];
      |                   ~~~~~~~~~~^
Language: C++

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

typedef long long ll;

const int MAXN = 10005;
const int MOD = 998244353;

namespace FFT {
  const int MAX = 1 << 20;

	#define REP(i, n) for (int i = 0; i < n; i++)
  typedef long long llint;
  typedef llint value;
  typedef complex<double> comp;

  int N;
  comp omega[MAX];
  comp a1[MAX], a2[MAX];
  comp z1[MAX], z2[MAX];

  void fft(comp *a, comp *z, int m = N) {
    if (m == 1) {
      z[0] = a[0];
    } else {
      int s = N/m;
      m /= 2;

      fft(a, z, m);
      fft(a+s, z+m, m);

      REP(i, m) {
        comp c = omega[s*i] * z[m+i];
        z[m+i] = z[i] - c;
        z[i] += c;
      }
    }
  }
  
  void mult(value *a, value *b, value *c, int len) {
    N = 2*len;
    while (N & (N-1)) ++N;
    assert(N <= MAX);

    REP(i, N) a1[i] = 0;
    REP(i, N) a2[i] = 0;
    REP(i, len) a1[i] = a[i];
    REP(i, len) a2[i] = b[i];

    REP(i, N) omega[i] = polar(1.0, 2*M_PI/N*i);
    fft(a1, z1, N);
    fft(a2, z2, N);

    REP(i, N) omega[i] = comp(1, 0) / omega[i];
    REP(i, N) a1[i] = z1[i] * z2[i] / comp(N, 0);
    fft(a1, z1, N);

    REP(i, 2*len) c[i] = round(z1[i].real());
  }

  void mult_mod(llint *a, llint *b, llint *c, int len, int mod) {
    static llint a0[MAX], a1[MAX];
    static llint b0[MAX], b1[MAX];
    static llint c0[MAX], c1[MAX], c2[MAX];

    REP(i, len) a0[i] = a[i] & 0xFFFF;
    REP(i, len) a1[i] = a[i] >> 16;

    REP(i, len) b0[i] = b[i] & 0xFFFF;
    REP(i, len) b1[i] = b[i] >> 16;

    FFT::mult(a0, b0, c0, len);
    FFT::mult(a1, b1, c2, len);

    REP(i, len) a0[i] += a1[i];
    REP(i, len) b0[i] += b1[i];
    FFT::mult(a0, b0, c1, len);
    REP(i, 2*len) c1[i] -= c0[i] + c2[i];

    REP(i, 2*len) c1[i] %= mod;
    REP(i, 2*len) c2[i] %= mod;
    REP(i, 2*len) c[i] = (c0[i] + (c1[i] << 16) + (c2[i] << 32)) % mod;
  }
}

int N;
char a[MAXN], b[MAXN];
int fact[MAXN], inv[MAXN];
ll base[MAXN], res[MAXN];
 
inline int add(int x, int y) {
	x += y;
	if (x >= MOD)
		x -= MOD;
	return x;
}

inline int mul(int x, int y) {
	return (ll)x * y % MOD;
}

int pot(int x, int y) {
	int res = 1;
	for (; y; y /= 2) {
		if (y % 2)
			res = mul(res, x);
		x = mul(x, x);
	}
	return res;
}

void load() {
	scanf("%s%s", a, b);
}

int solve() {
	N = strlen(a);
	
	fact[0] = inv[0] = 1;
	for (int i = 1; i <= N; i++) {
		fact[i] = mul(fact[i - 1], i);
		inv[i] = pot(fact[i], MOD - 2);
	}
	
	int diff = 0, both = 0;
	for (int i = 0; i < N; i++) {
		diff += a[i] == '1' && b[i] == '0';
		both += a[i] == '1' && b[i] == '1';
	}
	
	for (int i = 0; i <= both; i++)
		base[i] = inv[i + 1];
	res[0] = 1;
	
	for (int i = diff; i; i /= 2) {
		if (i % 2)
			FFT::mult_mod(res, base, res, both + 1, MOD);
		FFT::mult_mod(base, base, base, both + 1, MOD);
	}
	
	int sol = 0;
	for (int i = 0; i <= both; i++)
		sol = add(sol, res[i]);
	
	return mul(sol, mul(mul(fact[both], fact[diff]), fact[diff + both]));
}

int main() {
	load();
	printf("%d\n", solve());
	return 0;
}

Compiler output:
a.cc: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>
#define int long long
using namespace std;
const int mod=998244353;
int modpow(int x,int y,int md=mod){int ret=1;do{if(y&1)ret=(ll)ret*x%md;x=(ll)x*x%md;}while(y>>=1);return ret;}
int n,m;
int fact[1000005],inv[1000005];
int C(int nn,int mm){
	return fact[nn]*inv[mm]%mod*inv[nn-mm]%mod;
}
signed main(){
	cin>>n>>m;
	fact[0]=1;
	for(int i=1;i<=1e6;i++)fact[i]=fact[i-1]*i%mod;
	inv[1000000]=modpow(fact[1000000],mod-2);
	for(int i=1e6-1;i>=0;i--)inv[i]=inv[i+1]*(i+1)%mod;
	if(n>m)swap(n,m); 
	const int inv2=modpow(2,mod-2);
	int result=C(n+m,n)*m%mod;
	for(int i=1;i<=n;i++){
		int ways=C(i+i,i)*C(n-i+m-i,n-i)%mod;
		result+=ways*inv2%mod;
		result%=mod;
	}
	cout<<result*modpow(C(n+m,n),mod-2)%mod<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'long long int modpow(long long int, long long int, long long int)':
a.cc:5:61: error: 'll' was not declared in this scope
    5 | int modpow(int x,int y,int md=mod){int ret=1;do{if(y&1)ret=(ll)ret*x%md;x=(ll)x*x%md;}while(y>>=1);return ret;}
      |                                                             ^~
a.cc:5:76: error: 'll' was not declared in this scope
    5 | int modpow(int x,int y,int md=mod){int ret=1;do{if(y&1)ret=(ll)ret*x%md;x=(ll)x*x%md;}while(y>>=1);return ret;}
      |                                                                            ^~
Language: C++

#include<cstdio>
using namespace std;
typedef __int128 LL;
char buf[1<<21],*p1=buf,*p2=buf;
#define getchar() (p1==p2 && (p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++)
LL read()
{
	LL x=0,f=1;
	char c=getchar();
	while(c<'0' || c>'9')
	{
		if(c=='-')	f=-1;
		c=getchar();
	}
	while(c>='0' && c<='9')	x=(x<<1)+(x<<3)+(c^'0'),c=getchar();
	return x*f;
}
void write(LL x)
{
	if(x<0)	putchar('-'),x=-x;
	if(x>9)	write(x/10);
	putchar(x%10+'0');
}
const LL MOD=998244353;
LL QuickPow(LL x,LL p)
{
	LL base=x,ans=1;
	while(p)
	{
		if(p&1)	ans*=base,ans%=MOD;
		p>>=1;
		base*=base;
		base%=MOD;
	}
	return ans;
}
LL n,m,fac[1000005],inv[1000005];
LL C(LL n,LL m){return fac[n]*inv[m]%MOD*inv[n-m]%MOD;}
int main(){
	n=read(),m=read();
	fac[0]=fac[1]=1;
	for(LL i=2;i<=1000000;++i)	fac[i]=fac[i-1]*i%MOD;
	inv[1000000]=QuickPow(fac[1000000],MOD-2);
	for(LL i=1000000-1;~i;--i)	inv[i]=inv[i+1]*(i+1)%MOD;
	LL ans=0;
	for(LL i=1;i<=min(n,m);++i)
	{
		ans+=C(2*i,i)*C(n-i+m-i,n-i)%MOD;
		ans%=MOD;
	}
	ans*=inv[2];
	/*
	C(2n,n)
	*/
	ans*=inv[n+m];
	ans%=MOD;
	ans*=fac[n];
	ans%=MOD;
	ans*=fac[m];
	ans%=MOD;
	ans+=max(n,m);
	ans%=MOD;
	write(ans);
	puts("");
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:46:23: error: 'min' was not declared in this scope; did you mean 'main'?
   46 |         for(LL i=1;i<=min(n,m);++i)
      |                       ^~~
      |                       main
a.cc:61:14: error: 'max' was not declared in this scope
   61 |         ans+=max(n,m);
      |              ^~~
Language: C++

平川路的《iOS太热吗》
usingnamespace
intmain（void){
    intal'cin》》afor9int i = 0; i < a; i☹++☹)☹☹
    cout
}<<fdas",en☒<<☒enld;
热恴；


Compiler output:
a.cc:1:1: error: extended character 《 is not valid in an identifier
    1 | 平川路的《iOS太热吗》
      | ^
a.cc:1:1: error: extended character 》 is not valid in an identifier
a.cc:4:10: warning: missing terminating ' character
    4 |     intal'cin》》afor9int i = 0; i < a; i☹++☹)☹☹
      |          ^
a.cc:4:10: error: missing terminating ' character
    4 |     intal'cin》》afor9int i = 0; i < a; i☹++☹)☹☹
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:6:8: warning: missing terminating " character
    6 | }<<fdas",en☒<<☒enld;
      |        ^
a.cc:6:8: error: missing terminating " character
    6 | }<<fdas",en☒<<☒enld;
      |        ^~~~~~~~~~~~~
a.cc:1:1: error: '\U00005e73\U00005ddd\U00008def\U00007684\U0000300aiOS\U0000592a\U000070ed\U00005417\U0000300b' does not name a type
    1 | 平川路的《iOS太热吗》
      | ^~~~~~~~~~~~~~~~~~~~~
a.cc:6:2: error: expected unqualified-id before '<<' token
    6 | }<<fdas",en☒<<☒enld;
      |  ^~
Language: C++

#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
using namespace std;
const int md=998244353;
int N,M,i,inv[1000005],jc[1000005],rjc[1000005],ans,;
int C(int n,int m)
{
	return 1ll*jc[n]*rjc[m]%md*rjc[n-m]%md;
}
int main()
{
	inv[1]=1;
	for(i=2;i<=1000000;++i)
		inv[i]=1ll*inv[md%i]*(md-md/i)%md;
	jc[0]=rjc[0]=1;
	for(i=1;i<=1000000;++i)
		jc[i]=1ll*jc[i-1]*i%md,rjc[i]=1ll*rjc[i-1]*inv[i]%md;
	scanf("%d%d",&N,&M);
	if(N<M)
		swap(N,M);
	ans=N;
	for(i=1;i<=M;++i)
		ans=(ans+1ll*inv[2]*jc[N]%md*rjc[i]%md*jc[M]%md*rjc[i]%md*rjc[N+M]%md*jc[2*i]%md*C(N-i+M-i,M-i)%md)%md;
	printf("%d",ans);
	return 0;
}


Compiler output:
a.cc:7:53: error: expected unqualified-id before ';' token
    7 | int N,M,i,inv[1000005],jc[1000005],rjc[1000005],ans,;
      |                                                     ^
Language: C++

m=998244353
M=1<<20
f=[0]*M
g=[0]*M
h=[0]*M
f[0]=g[0]=f[1]=g[1]=h[1]=1
for i in range(2,M):
	f[i]=f[i-1]*i%m
	h[i]=m-h[m%i]*(m//i)%m
	g[i]=g[i-1]*h[i]%m
A,B=map(int,input().split())
if A<B:A,B=B,A
a=0
b=1
for j in range(1,B+1):
	a+=b%m*f[A+B-j]*g[B-j]*g[A]
	b*=2
print((a*f[A]*f[B]*g[A+B]+A)%m)

Compiler output:
a.cc:1:1: error: 'm' does not name a type
    1 | m=998244353
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1e6+9;
const ll mod = 998244353;
ll inv(ll a){
    ll d=1, n = mod-2;
    while(n){
        if(n&1) d = d * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return d;
}
ll gcd(ll a,ll b){
    return b? gcd(b, a%b): a;
}
double f[1234][1234];
int n,m;
int g[1234][1234];
ll h[1234][1234];
ll fac[N];
ll C(int n, int m){
    return fac[n] * inv(fac[m]) % mod * inv(fac[n-m]) % mod;
}
int main() {
    n=read(), m=read();
    if(n>m) swap(n,m);
    fac[0] = 1;
    for(int i=1; i<=n*3; i++) fac[i] = fac[i-1] * i % mod;
    ll ans=0;
    for(int i = 1; i <= n; i++) ans = (ans + C(i*2 ,i) * C(n+m-i-i, n-i) %mod) %mod;
    ans = (m + ans * inv(C(n+m, n)) % mod * inv(2) % mod +mod) % mod;
    printf("%lld\n", ans);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:11: error: too few arguments to function 'ssize_t read(int, void*, size_t)'
   27 |     n=read(), m=read();
      |       ~~~~^~
In file included from /usr/include/x86_64-linux-gnu/bits/sigstksz.h:24,
                 from /usr/include/signal.h:328,
                 from /usr/include/c++/14/csignal:42,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:116,
                 from a.cc:1:
/usr/include/unistd.h:371:16: note: declared here
  371 | extern ssize_t read (int __fd, void *__buf, size_t __nbytes) __wur
      |                ^~~~
a.cc:27:21: error: too few arguments to function 'ssize_t read(int, void*, size_t)'
   27 |     n=read(), m=read();
      |                 ~~~~^~
/usr/include/unistd.h:371:16: note: declared here
  371 | extern ssize_t read (int __fd, void *__buf, size_t __nbytes) __wur
      |                ^~~~
Language: C++

#include <stdio.h>

const int MX = 1000005;
const int MM = 998244353;

ll F[MX], I[MX], IF[MX];

ll C(int x, int y){ return F[x+y] * IF[x] % MM * IF[y] % MM; }

int main()
{
	I[1] = 1;
	for(int i = 2; i < MX; i++) I[i] = (MM - MM/i) * I[MM%i] % MM;
	F[0] = IF[0] = 1;
	for(int i = 1; i < MX; i++){
		F[i] = F[i-1] * i % MM;
		IF[i] = IF[i-1] * I[i] % MM;
	}

	int N, M;
	scanf("%d%d", &N, &M);
	if( N > M ) swap(N, M);
	ll ans = M, tot = IF[N+M] * F[N] % MM * F[M] % MM;
	for(int i = 1; i <= N; i++){
		ans = (ans + tot * C(N-i, M-i) % MM * C(i, i) % MM * I[2]) % MM;
	}
	printf("%lld\n", ans);
}


Compiler output:
a.cc:6:1: error: 'll' does not name a type
    6 | ll F[MX], I[MX], IF[MX];
      | ^~
a.cc:8:1: error: 'll' does not name a type
    8 | ll C(int x, int y){ return F[x+y] * IF[x] % MM * IF[y] % MM; }
      | ^~
a.cc: In function 'int main()':
a.cc:12:9: error: 'I' was not declared in this scope
   12 |         I[1] = 1;
      |         ^
a.cc:14:9: error: 'F' was not declared in this scope
   14 |         F[0] = IF[0] = 1;
      |         ^
a.cc:14:16: error: 'IF' was not declared in this scope
   14 |         F[0] = IF[0] = 1;
      |                ^~
a.cc:22:21: error: 'swap' was not declared in this scope
   22 |         if( N > M ) swap(N, M);
      |                     ^~~~
a.cc:23:9: error: 'll' was not declared in this scope
   23 |         ll ans = M, tot = IF[N+M] * F[N] % MM * F[M] % MM;
      |         ^~
a.cc:25:17: error: 'ans' was not declared in this scope
   25 |                 ans = (ans + tot * C(N-i, M-i) % MM * C(i, i) % MM * I[2]) % MM;
      |                 ^~~
a.cc:25:30: error: 'tot' was not declared in this scope
   25 |                 ans = (ans + tot * C(N-i, M-i) % MM * C(i, i) % MM * I[2]) % MM;
      |                              ^~~
a.cc:25:36: error: 'C' was not declared in this scope
   25 |                 ans = (ans + tot * C(N-i, M-i) % MM * C(i, i) % MM * I[2]) % MM;
      |                                    ^
a.cc:27:26: error: 'ans' was not declared in this scope
   27 |         printf("%lld\n", ans);
      |                          ^~~
Language: C++

from fractions import *

def E(n,m):
	if not m:return Fraction(n,1)
	if(n<m):return E(m,n)
	return Fraction(n*E(n-1,m)+m*E(n,m-1)+max(n,m),n+m)

def sqr_mod(a,m):return a*a%m

def pow_mod(a,n,m):
	if not n:return 1
	if n%2:return sqr_mod(pow_mod(a,n>>1,m),m)*a%m
	return sqr_mod(pow_mod(a,n>>1,m),m)

n,m=map(int,input().split())
x,mod=E(n,m),998244353
print(x.numerator*pow_mod(x.denominator,mod-2,mod)%mod)


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

#include <iostream>
#include <algorithm>
#include <cmath>
#include <string>
using namespace std;
int main() {
	int x, a, b;
	cin >> x >> a >> b;
	if (abs(a - x) <= abs(b - x)
		cout << "A" << "\n";
	else
		cout << "B" << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:37: error: expected ';' before 'cout'
    9 |         if (abs(a - x) <= abs(b - x)
      |                                     ^
      |                                     ;
   10 |                 cout << "A" << "\n";
      |                 ~~~~                 
a.cc:11:9: error: expected primary-expression before 'else'
   11 |         else
      |         ^~~~
a.cc:10:37: error: expected ')' before 'else'
   10 |                 cout << "A" << "\n";
      |                                     ^
      |                                     )
   11 |         else
      |         ~~~~                         
a.cc:9:12: note: to match this '('
    9 |         if (abs(a - x) <= abs(b - x)
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b,x;
  cin >> a >> b >> x;
  if(abs(a-x)<abs(b-x) cout << 'A';
  else cout << 'B';
return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:23: error: expected ';' before 'cout'
    7 |   if(abs(a-x)<abs(b-x) cout << 'A';
      |                       ^~~~~
      |                       ;
a.cc:8:3: error: expected primary-expression before 'else'
    8 |   else cout << 'B';
      |   ^~~~
a.cc:7:36: error: expected ')' before 'else'
    7 |   if(abs(a-x)<abs(b-x) cout << 'A';
      |     ~                              ^
      |                                    )
    8 |   else cout << 'B';
      |   ~~~~
Language: C

#include <stdio.h>

int main() {
  int x, a, b;
  scanf("%d %d %d", &x, &a, &b);

  int distA = (a < x) ? x - a : a - x;
  int distB = (b < x) ? x - b : b - x;
  (dista < distb) ? puts("a") : puts("b");
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:4: error: 'dista' undeclared (first use in this function); did you mean 'distA'?
    9 |   (dista < distb) ? puts("a") : puts("b");
      |    ^~~~~
      |    distA
main.c:9:4: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:12: error: 'distb' undeclared (first use in this function); did you mean 'distB'?
    9 |   (dista < distb) ? puts("a") : puts("b");
      |            ^~~~~
      |            distB
Language: C++

#include <stdio.h>
#include <math.h>

int main() {
	int x,a,b;
	scanf("%d %d %d", &x, &A, &B);
	int da = abs(A-x);
	int db= abs(B-x);
	
	
	if(da < db){
		printf("A");
	}
	else{
		printf("B");
	}
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:32: error: 'A' was not declared in this scope
    6 |         scanf("%d %d %d", &x, &A, &B);
      |                                ^
a.cc:6:36: error: 'B' was not declared in this scope
    6 |         scanf("%d %d %d", &x, &A, &B);
      |                                    ^
Language: C++

int main() {
    int aaa, bb, cc;
    scanf("%d %d %d", &aaa, &bb, &cc);
   int i = aaa-bb;
   int j = aaa-cc;
 
   
    if(i<0){
        i = -i;
    }
    if(j<0){
        j = -j;
    }
    
    if(i == -i){
        i *= -1;
    }
   if(j == -j){
       j *= -1;
   }
    if(i < j){
        printf("A");
    }
    else{
        printf("B");
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:5: error: 'scanf' was not declared in this scope
    3 |     scanf("%d %d %d", &aaa, &bb, &cc);
      |     ^~~~~
a.cc:22:9: error: 'printf' was not declared in this scope
   22 |         printf("A");
      |         ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main() {
a.cc:25:9: error: 'printf' was not declared in this scope
   25 |         printf("B");
      |         ^~~~~~
a.cc:25:9: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: C++

#include <stdio.h>

int main() {
    int aaa, bb, cc;
    scanf("%d %d %d", &aaa, &bb, &cc);
   int i = |aaa-bb|;
   int j = |aaa-cc|;
    i = -i, j= -j ? i *= -1, j *= -1 :  i *=1, j*=1;
   
    if(i < j){
        printf("A");
    }
    else{
        printf("B");
    }


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:12: error: expected primary-expression before '|' token
    6 |    int i = |aaa-bb|;
      |            ^
a.cc:6:20: error: expected primary-expression before ';' token
    6 |    int i = |aaa-bb|;
      |                    ^
a.cc:7:12: error: expected primary-expression before '|' token
    7 |    int j = |aaa-cc|;
      |            ^
a.cc:7:20: error: expected primary-expression before ';' token
    7 |    int j = |aaa-cc|;
      |                    ^
Language: C

#include <stdio.h>
 
int main () {
	int point,a,b, distance1, distance2;
	scanf("%d %d %d", &point, &a, &b);
	
	distance1 = point - a;
	distance2 = point - b;
	if (distance1 < 0) {
		distance1 *= -1;
	} 
	if (distance2 < 0) {
		distance2 *= -1;
	}	 
	if (distance1 < distance2) {
		printf("A\n");
	} else {
		printf("B\n");
	}
	return 0;

Compiler output:
main.c: In function 'main':
main.c:20:9: error: expected declaration or statement at end of input
   20 |         return 0;
      |         ^~~~~~
Language: C++

#include <stdio.h>

int main() {
	int x, a, b;
	scanf ("%d%d%d", &x, &a, &b);
	int xa, xb;
	
	if (x > a) {
		xa = x - a;
	}
	else if (x < a) {
		xa = a - x;
	}
	
	if (x > b) {
		xb = x - b;
	}
	else if (x < b) {
		xb = b - x;
	}
	
	if (xa > xb) {
		printf ("B\n");
	}
	else {
		printf ("A\n")
	}
	return 0;	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:31: error: expected ';' before '}' token
   26 |                 printf ("A\n")
      |                               ^
      |                               ;
   27 |         }
      |         ~
Language: C++

#include <stdio.h>

int main(){
int x, a, b, d1=-1, d2=-2 ;
scanf("%d %d %d", %x, &a, &b);
d1=x-a ;
d2=x-b ;
if(d1<0);
    d1=a-x;
if(d2<0);
    d2=b-x

d1<d2? printf("A") : printf("B");
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:19: error: expected primary-expression before '%' token
    5 | scanf("%d %d %d", %x, &a, &b);
      |                   ^
a.cc:11:11: error: expected ';' before 'd1'
   11 |     d2=b-x
      |           ^
      |           ;
   12 | 
   13 | d1<d2? printf("A") : printf("B");
      | ~~
Language: C++

#include<stdio.h>
#include<math.h>

int main()
{
	int x, a, b;
	scanf("%d %d %d", &x, &a, &b);
	
	int = sa, sb;
	sa = abs(x - a);
	sb = abs(x - b);
	
	if (sa < sb)
	{
		printf("A\n");
	}
	
	else if (sa > sb)
	{
		printf("B\n");
	}
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:13: error: expected unqualified-id before '=' token
    9 |         int = sa, sb;
      |             ^
a.cc:10:9: error: 'sa' was not declared in this scope; did you mean 'a'?
   10 |         sa = abs(x - a);
      |         ^~
      |         a
a.cc:11:9: error: 'sb' was not declared in this scope; did you mean 'b'?
   11 |         sb = abs(x - b);
      |         ^~
      |         b
Language: C

#include <stdio.h>

int main() {
	
	int x,a,b;
	int adiff = 0,bdiff = 0;
	scanf("%d %d %d", &x,&a,&b);
	if( x <= a && x <= b){
		adiff = a-x;
		bdiff = b-x;
	}else if (x >= a && x <= b){
		adiff = x-a;
		bdiff = b-x;
	}else if(x>=a && x>=b){
		adiff = x-a;
		bdiff = x-b;
	}else if(x <=a && x =>b){
		adiff= a-x;
		bdiff = x-b;
	}
	if(adiff > bdiff){
		printf("B");
	}else{printf("A");
	}
	return 0;
	}


Compiler output:
main.c: In function 'main':
main.c:17:30: error: expected expression before '>' token
   17 |         }else if(x <=a && x =>b){
      |                              ^
Language: C++

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

int main() {
  int x , a , b , d , e;
  cin x >> a >> b;
  if ( x-a < 0) {
    d =a-x;
  }else d= x-a ;
  if (x-b < 0 ) {
    e = b-x ;
  }else e = x-b ;
  cout << (d < e ? 'A' : 'B') << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:6: error: expected ';' before 'x'
    6 |   cin x >> a >> b;
      |      ^~
      |      ;
Language: C++

//                     بِسْمِ ٱللَّٰهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ
//                   لآ اِلَهَ اِلّا اللّهُ مُحَمَّدٌ رَسُوُل اللّهِ





#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef double db;

#define endl "\n"

const int MOD = 1000000007;


int main()
{
    //ios::sync_with_stdio(0);cin.tie(0);
    int x, a, b;
    cin >> x >> a >> c;
    if(abs(x-b) > abs(x-a)) cout << "A" << endl;
    else cout << "B" << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:22: error: 'c' was not declared in this scope
   26 |     cin >> x >> a >> c;
      |                      ^
Language: Java

import java.util.Scanner;

public class MealDelivery {

	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int x=scan.nextInt(),a=scan.nextInt(),b=scan.nextInt();
		if(Math.min(a, b)<=x) {
			System.out.println("B");
		}
		else {
			System.out.println("A");
		}

	}

}

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