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

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

#define dump(x) cout << (x) << '\n'
#define Int int64_t
#define fi first
#define se second

Int INF = 1e18;
Int mod = 1e9+7;
//Int mod = 998244353;

int main() {
    Int n;
    cin >> n;
    vector<Int> d, c;
    Int res = 0;
    Int m = 0;
    for (Int i = 0; i < n; i++) {
        Int x, y;
        cin >> x >> y;
        if (x == 0) {
            res += y;
            continue;
        }
        m++;
        d.push_back(x);
        c.push_back(y);
    }
    vector<pair<Int, Int>> re(10);
    for (Int i = 1; i <= 9; i++) {
        Int x = i;
        Int i_cnt = 1;
        Int cnt = 1;
        while (x != i || cnt == 1) {
            x += i;
            if (x >= 10) {
                cnt++;
            }
            x = x / 10 + x % 10;
            cnt++;
            i_cnt++;
        }
        cerr << i << " " << i_cnt << " " << cnt << endl;
        re[i] = {i_cnt, cnt};
    }
    cerr << "re[0] = " << re[0].fi << ' ' << re[0].se << endl;
    cerr << "m = " << m << endl;
    vector<Int> p;
    for (Int i = 0; i < m; i++) {
        cerr << "c[i] = " << c[i] << " d[i] = " << d[i] << endl;
        if (c[i] >= re[d[i]].fi) {
            res += re[d[i]].se * (c[i] / red[d[i]].fi);
            c[i] = c[i] % re[d[i]].fi;
        }
        /*
        while (c[i] >= re[d[i]].fi) {
            cerr << "re[d[i]].fi = " << re[d[i]].fi << endl;
            res += re[d[i]].se * (c[i] / re[d[i]].fi);
            c[i] = (c[i] % re[d[i]].fi) + (c[i] / re[d[i]].fi);
        }
        */
        Int x = d[i];
        for (Int j = 0; j < c[i] - 1; j++) {
            x += d[i];
            if (x >= 10) {
                res++;
            }
            x = x / 10 + x % 10;
            res++;
        }
        p.push_back(x);
    }
    Int cur = p[0];
    for (Int i = 1; i < m; i++) {
        cur += p[i];
        if (cur >= 10) {
            res++;
        }
        cur = cur / 10 + cur % 10;
        res++;
    }
    dump(res);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:42: error: 'red' was not declared in this scope; did you mean 're'?
   53 |             res += re[d[i]].se * (c[i] / red[d[i]].fi);
      |                                          ^~~
      |                                          re
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<math.h>
#include<queue>
#include<deque>
using namespace std;
typedef long long ll;

int main() {
    int m; cin >> m;
    
    ll sum = 0; keta = 0;
    for (int i = 0; i < m; i++) {
        ll a, b; cin >> a >> b;
        sum += a*b;
        keta += b;
    }
    cout << sum/10 + (keta -1) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:17: error: 'keta' was not declared in this scope
   13 |     ll sum = 0; keta = 0;
      |                 ^~~~
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<math.h>
#include<queue>
#include<deque>
using namespace std;
typedef long long ll;

int main() {
    int m; cin >> m;
    
    ll sum = 0; keta = 0;
    for (int i = 0; i < m; i++) {
        ll a, b; cin >> a >> b;
        sum += a*b;
        keta += b
    }
    cout << sum/10 + (keta -1) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:17: error: 'keta' was not declared in this scope
   13 |     ll sum = 0; keta = 0;
      |                 ^~~~
Language: C++

#include<iostream>
long long int m,r=0,s=0,i,d,c;
int main() {
    std::cin>>m;
    for(i=0;i<m;i++){
        std::cin>>d>>c;
        res+=d*c;
        sum+=c;
    }
  std::cout<<sum-1+(res-1)/9;
} 


Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'res' was not declared in this scope
    7 |         res+=d*c;
      |         ^~~
a.cc:8:9: error: 'sum' was not declared in this scope
    8 |         sum+=c;
      |         ^~~
a.cc:10:14: error: 'sum' was not declared in this scope
   10 |   std::cout<<sum-1+(res-1)/9;
      |              ^~~
a.cc:10:21: error: 'res' was not declared in this scope
   10 |   std::cout<<sum-1+(res-1)/9;
      |                     ^~~
Language: C++

/*** author: yuji9511 ***/
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using lpair = pair<ll, ll>;
const ll MOD = 1e9+7;
const ll INF = 1e18;
#define rep(i,m,n) for(ll i=(m);i<(n);i++)
#define rrep(i,m,n) for(ll i=(m);i>=(n);i--)
#define printa(x,n) for(ll i=0;i<n;i++){cout<<(x[i])<<" \n"[i==n-1];};
void print() {}
template <class H,class... T>
void print(H&& h, T&&... t){cout<<h<<" \n"[sizeof...(t)==0];print(forward<T>(t)...);}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll M;
    cin >> M;
    ll d[200010], c[200010];
    rep(i,0,M) cin >> d[i] >> c[i];
    ll ans = 0;
    rep(i,0,M){
        ll val = (c[i] - 1) + max(0LL, (d[i] * c[i] - 9) / 9;
        ans += val;
    }
    vector<ll> nxt[10];
    rep(n,0,10){
        ll cur = n;
        nxt[n].push_back(cur);
        while(1){
            cur += n;
            if(cur >= 10){
                cur = cur / 10 + cur % 10;
            }
            // print(n, cur);
            if(cur == nxt[n][0]) break;
            nxt[n].push_back(cur);
        }
    }
    ll num[200010] = {};
    rep(i,0,M){
        ll sz = nxt[d[i]].size();
        ll amari = c[i] % sz;
        if(amari == 0){
            num[i] = nxt[d[i]][sz-1];
        }else{
            num[i] = nxt[d[i]][amari-1];
        }
    }
    // printa(num, M);
    // rep(i,0,10){
    //     rep(j,0,nxt[i].size()){
    //         cout << nxt[i][j] << " ";
    //     }
    //     cout << endl;
    // }
    // print(ans);
    ll idx = 0;
    while(idx != M-1){
        ll v1 = num[idx];
        ll v2 = num[idx+1];
        ll v3 = v1 + v2;
        ans++;
        if(v3 >= 10){
            num[idx] = v3 / 10;
            num[idx+1] = v3 % 10;
        }else{
            num[idx+1] = v3;
            idx++;
        }
    }

    print(ans);
    // vector<ll> v;
    // ll sum = 0;
    // while()
    // rep(i,0,M) sum += num[i];
    // ans += (M-1) + sum / 10;

    // print(ans);

    

}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:61: error: expected ')' before ';' token
   24 |         ll val = (c[i] - 1) + max(0LL, (d[i] * c[i] - 9) / 9;
      |                                  ~                          ^
      |                                                             )
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define mp make_pair
#define pb push_back
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=(int)(n);i++)


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

  int n;
  cin >> n;
 
  int sum = 0, ans = -1;
  rep(i,n){
    int x,y;
    cin >> x >> y;
    ans += y;
    sum += x*y;
  }

  while(sum>9){
    ans+=sum/10;
    sum = sum-(sum/10)*9
  }
  cout << ans << endl;
  
  return 0;
    

}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:25: error: expected ';' before '}' token
   27 |     sum = sum-(sum/10)*9
      |                         ^
      |                         ;
   28 |   }
      |   ~
Language: C++

def fusion(s):
	if len(s)==2:
		return int(s[0])+ int(s[1])
	pos = 0
	mx = 0
	for i in range(len(s)-1):
		val = int(s[i])+int(s[i+1])
		if val>mx:
			mx = val
			pos=i
	res = ""
	for i in range(pos):
		res+=s[i]
	res+=str(int(s[pos])+int(s[pos+1]))
	for i in range(pos+2,len(s)):
		res+=s[i]
	#~ print("s= ",s, "pos = ",pos, "res = ",res)
	return res
	
def f(s):
	step=0
	while len(s)>1:
		#~ print(s)
		s = str(fusion(s))
		step+=1
	#~ print(s)
	return int(s),step
	

m= int(input())
chaine = ""
ans = 0
for _ in range(m):
	d,c = (int(i) for i in input().split())
	if d==0:
		ans+=c-1
		chaine+="0"
	else:
		r,cnt = (i for i in f(str(d)*c))
		ans+=cnt
		chaine+=str(r)
	
r,cnt = (i for i in f(chaine))
ans+=cnt
print(ans)


Compiler output:
a.cc:17:10: error: invalid preprocessing directive #~
   17 |         #~ print("s= ",s, "pos = ",pos, "res = ",res)
      |          ^
a.cc:23:18: error: invalid preprocessing directive #~
   23 |                 #~ print(s)
      |                  ^
a.cc:26:10: error: invalid preprocessing directive #~
   26 |         #~ print(s)
      |          ^
a.cc:1:1: error: 'def' does not name a type
    1 | def fusion(s):
      | ^~~
Language: C++

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

//repetition
#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)

//container util
#define all(x) (x).begin(),(x).end()

//typedef
typedef long long ll;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<ll> VLL;
typedef vector<VLL> VVLL;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef pair<ll, ll> PLL;

//const value
//const ll MOD = 1e9 + 7;
//const int dx[] = {0,1,0,-1};//{0,0,1,1,1,-1,-1,-1};
//const int dy[] = {1,0,-1,0};//{1,-1,0,1,-1,0,1,-1};

//conversion
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
inline ll toLL(string s) {ll v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}


int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  ll m;
  cin >> m;
  VLL d(m),c(m);
  ll ans = -1;
  ll tmp;
  VLL amari;

  rep(i,m){
    cin >> d[i] >> c[i];
    ans += c[i];
    if(d[i] == 0) continue;
    ll current = d[i];
    ll cc = c[i];
    while(cc != 0 && current != 0){
      tmp = (9 + current) / current;
      ll mod = (cc % tmp);
      amari.push_back(mod * current);
      // cout << "while" << i << ", +" << cc/tmp << " "<< cc << " " << current << endl; 
      ans += cc / tmp;
      cc = cc/tmp;
      current = 1 + tmp*current - 10;
    }
  }

  tmp = 0;
  rep(i,amari.size()){
    tmp += amari[i];
    if(tmp >= 10){
      ans++;
      tmp -= 10;
    }
   ans +=1
  }
  cout << ans << endl;

 
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:66:11: error: expected ';' before '}' token
   66 |    ans +=1
      |           ^
      |           ;
   67 |   }
      |   ~
Language: C++

#include <bits/stdc++.h>

using namespace std;
#define ll long long
const int MAXN = 2e5 + 1;
int mass[301][301];
int ans[301][301];
int summcolomn[301];
vector<int> res;
ll rec(int d, ll c, int &who){
    if(c==1){
        who=d;
        return 0;
    }
    if(c%2==0){
        if(d>=5){
            int h=d*2;
            h=h%10+h/10;
            return c+rec(h,c/2, who);
        }
        else{
            return c/2+rec(d*2,c/2, who);
        }
    }
    else{
        if(d>=5){
            int h=d*2;
            h=h%10+h/10;
            ll ans1=c+rec(h,c/2, who);
            if(who+d<=9) {
                who+=d;
                return ans1+1;
            }
            else{
                who+=d;
                who=who/10+who%10;
                return ans1+2;
            }

        }
        else{
            ll ans1=c/2+rec(d*2,c/2, who);
            if(who+d<=9) {
                who+=d;
                return ans1+1;
            }
            else{
                who+=d;
                who=who/10+who%10;
                return ans1+2;
            }
        }
    }
}
void solve() {
    int m;
    cin>>m;
    ll ans=0;
    for(int i=0;i<m;i++){
        int d;
        ll c;
        cin>>d>>c;
        int h;
        ans+=rec(d,c, h);
        res.push_back(h);
    }
    /*cout<<ans<<endl;
    for(int i=0;i<res.size();i++){
        cout<<res[i]<<" ";
    }*/
    for(int i=0;i<res.size()-1;i++){
        int now=res[i];
        int last=res[i+1];
        if(now+last>9){
            now+=last;
            ans+=2;
            res[i+1]=now%10+now/10;
        }
        else{
            ans++;
            else res[i+1]=now+last;
        }
    }
    cout<<ans;

}

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


Compiler output:
a.cc: In function 'void solve()':
a.cc:81:13: error: 'else' without a previous 'if'
   81 |             else res[i+1]=now+last;
      |             ^~~~
Language: C++

#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main(){
  int m = 0;
  cin >> m;
  vector<int> kazu(m);
  vector<int> ketasuu(m);
  for(int i = 0;i <= m - 1;i++){
    cin >> kazu[i] >> ketasuu[i];
  }
  int ketasuuk = 0;
  for(int i = 0;i <= m - 1;i++){
    ketasuuk += ketasuu[i];
  }
  vector<int> hito(ketasuuk);
  int tuubann = 0;
  for(int i = 0;i <= m - 1;i++){
    for(int j = 0;j <= ketasuu[i] - 1;j++){
      hito[tuubann] = kazu[i];
      tuubann++;
    }
  }
  int kaisuu = 0;
  int sousa = 0;
  int kei = 0;
  sousa = m - 1;
  while(1){
  while(1){
    kei = hito[sousa] + hito[sousa - 1];
    if(kei >= 10){
      hito[sousa - 1] = 1;
      hito[sousa] = kei - 10;
      break;
    }
    if(sousa <= 0){
      hito[m - 2] = hito[m - 2] + hito[m - 1];
      hito[m - 1] = 0;
      break;
    }
  }
    if(){
      
    }
  }
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:43:8: error: expected primary-expression before ')' token
   43 |     if(){
      |        ^
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = Integer.parseInt(sc.next());
    int digit;
    int times;
    long temp = 0;
    long long sum = 0;
    StringBuilder sb = new StringBuilder();
    for(int i = 0; i < n; i++) {
      digit = Integer.parseInt(sc.next());
      times = Integer.parseInt(sc.next());
      temp += times;
      sum += digit * times;
    }
    System.out.println(temp + sum / 10 - 1);
  }
}


Compiler output:
Main.java:10: error: not a statement
    long long sum = 0;
    ^
Main.java:10: error: ';' expected
    long long sum = 0;
        ^
2 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll m;
ll d[200005],C[200005];
ll ans,sum;
int k,l;
int c[10];
int a[10][15];
int main(void){
	c[0]=1;c[1]=9;c[2]=9;c[3]=3;c[4]=9;c[5]=9;c[6]=3;c[7]=9;c[8]=9;c[9]=1;
	a[0][1]=0;
a[1][1]=1;a[1][2]=2;a[1][3]=3;a[1][4]=4;a[1][5]=5;a[1][6]=6;a[1][7]=7;a[1][8]=8;a[1][0]=9;
a[2][1]=2;a[2][2]=4;a[2][3]=6;a[2][4]=8;a[2][5]=1;a[2][6]=3;a[2][7]=5;a[2][8]=7;a[2][0]=9;
a[3][1]=3;a[3][2]=6;a[3][0]=9;
a[4][1]=4;a[4][2]=8;a[4][3]=3;a[4][4]=7;a[4][5]=2;a[4][6]=6;a[4][7]=1;a[4][8]=5;a[4][0]=9;
a[5][1]=5;a[5][2]=1;a[5][3]=6;a[5][4]=2;a[5][5]=7;a[5][6]=3;a[5][7]=8;a[5][8]=4;a[5][0]=9;
a[6][1]=6;a[6][2]=3;a[6][0]=9;
a[7][1]=7;a[7][2]=5;a[7][3]=3;a[7][4]=1;a[7][5]=8;a[7][6]=6;a[7][7]=4;a[7][8]=2;a[7][0]=9;
a[8][1]=8;a[8][2]=7;a[8][3]=6;a[8][4]=5;a[8][5]=4;a[8][6]=3;a[8][7]=2;a[8][8]=1;a[8][0]=9;
a[9][]=9;
	cin>>m;
	for(int i=0;i<m;i++){
		cin>>d[i]>>C[i];
		ans=ans+C[i]-1;
		k=d[i]; l=C[i]%c[d[i]];
		d[i]=a[k][l];
		//cout<<d[i]<<endl;
	}
	for(int i=1;i<m;i++){
		ans++;
		d[i]=d[i-1]+d[i];
		if(d[i]>=10){
			ans++;
			d[i]=d[i]%10+1;
		}
	}
	cout<<ans<<endl;
	
	    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:6: error: expected primary-expression before ']' token
   21 | a[9][]=9;
      |      ^
Language: C++

#pragma GCC optimize("O3")
#include<bits/stdc++.h> 
using namespace std;
using ll=long long;
typedef pair<ll,ll> P;
#define fi first
#define se second
#define all(v) (v).begin(),(v).end()
const ll inf=(1e18);
const ll mod=1000000007;
//ios_base::sync_with_stdio(false);
//cin.tie(NULL);
ll gcd(ll a,ll b) {return b ? gcd(b,a%b):a;}
struct __INIT{__INIT(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}} __init;
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; }
int main(){
int m;
cin>>m;
vector<int> a;
ll sum=0,t=0;
for(int i=0;i<m;i++){
    int d,c;
    cin>>d>>c;
    t+=c;
    sum+=d*c;
}
ll cnt=c/2;
ll ans=cnt;
while(1){
  if(sum<10)break;
  ll t=sum,s=0,n=0;
  while(t!=0){
      n+=sum%10;
      t/=10;
      s++;
  }
  ans+=s/2;
}
cout<<ans<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:28:8: error: 'c' was not declared in this scope
   28 | ll cnt=c/2;
      |        ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, ll> pii;
#define FastIO ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define forn(i, n) for (int i = 0; i < n; ++i)
#define forn1(i, n) for (int i = 1; i <= n; ++i)
#define pb push_back
#define fr first
#define sc second
const int MAXN = 500;
const int INF = 1e9;
vector<int> res;
//#define DEBUG

int main(){
  FastIO;
  #ifdef DEBUG
    freopen("input.txt", "r", stdin);
  #endif
  ll m;
  cin >> m;
  ll a, b;
  ll ans = 0;
  forn(i, m)
  {
    cin >> a >> b;
    if (a == 0)
    {
      ans += b - 1;
      res.pb(0);
      continue;
    }
    while(b >= 10)
    {
      ans += b / 10 * 10;
      b = b % 10 + b / 10;
    }
    forn(j, b)
    {
      res.pb(a);
    }
  }
  int last = res[0];
  for (int i = 1; i < res.size(); ++i)
  {
    if (res[i] + last >= 10)
    {
      ans += 2;
      last = (res[i] + last) % 10 + 1;
    }
    else
    {
      ++ans;
      last = res[i] + last;
    }
  }
  cout << max(1, ans);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:58:14: error: no matching function for call to 'max(int, ll&)'
   58 |   cout << max(1, ans);
      |           ~~~^~~~~~~~
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:58:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   58 |   cout << max(1, ans);
      |           ~~~^~~~~~~~
/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:58:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   58 |   cout << max(1, ans);
      |           ~~~^~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int m;
  cin >> m;
  long long d[m],c[m];
  long long q=0,z=0;
  for(int i=0;i<n;i++){
    cin >> d[i] >> c[i];
    if(d[i]>4){
      q=q+c[i]/2;
    }
    z=z+c[i];
  }
  cout << q+z-1 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: 'n' was not declared in this scope
    8 |   for(int i=0;i<n;i++){
      |                 ^
Language: C++

#include <cstdio>
#include <cmath>
#include <cstring>
#include <ctime>
#include <iostream>
#include <algorithm>
#include <deque>
#include <set>
#include <vector>
#include <sstream>
#include <typeinfo>
#include <fstream>

using namespace std;

#define sz(X) ((int)(X).size())
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define all(X) (X).begin(),(X).end()
#define FOR(I,S,N) for(int I=(S);I<(N);++I)
#define REP(I,N) FOR(I,0,N)

typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

pair<int, ll> processBlock(int n, ll c) {
    assert(c > 0);
    if (c == 1) {
        return mp(n, 0LL);
    }
    if (c % 2 == 0) {
        if (2 * n < 10) {
            auto x = processBlock(2 * n, c / 2);
            return mp(x.X, x.Y + c/2);
        } else {
            int d = (2 * n) / 10 + (2 * n) % 10;
            auto x = processBlock(d, c / 2);
            return mp(x.X, x.Y + c);
        }
    }
    auto x = processBlock(n, c - 1);
    if (n + x.X < 10) {
        return mp(n + x.X, x.Y + 1);
    } else {
        int d = (n + x.X) / 10 + (n + x.X ) % 10;
        return mp(d, x.Y + 2);
    }
}

ll solve(const vll& d, const vll& c) {
    ll ret = 0;
    vll a;
    REP(i, sz(d)) {
        auto x = processBlock(d[i], c[i]);
        ret += x.Y;
        a.pb(x.X);
    }
    while (sz(a) > 1) {
        int d1 = a[sz(a)-1];
        int d2 = a[sz(a)-2];
        a.pop_back();
        a.pop_back();
        ret += 1;
        if (d1 + d2 < 10) {
            a.pb(d1 + d2);
        } else {
            a.pb(1);
            a.pb((d1 + d2) % 10);
        }
    }
    return ret;
}

int main() {

    int n;

    cin >> n;
    vll d(n), c(n);

    REP(i, n) {
        cin >> d[i] >> c[i];
    }

    ll ans = solve(d, c);
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'std::pair<int, long long int> processBlock(int, ll)':
a.cc:32:5: error: 'assert' was not declared in this scope
   32 |     assert(c > 0);
      |     ^~~~~~
a.cc:13:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
   12 | #include <fstream>
  +++ |+#include <cassert>
   13 |
Language: C++

#include<bits/stdc++.h>
#define INF 1e9
#define llINF 1e18
#define MOD 1000000007
#define pb push_back
#define mp make_pair 
#define F first
#define S second
#define ll long long
#define ull unsigned long long
#define vi vector<ll>
#define vvi vector<vi>
#define DBG_N(hoge) cerr<<" "<<(hoge)<<endl;
#define DBG cerr<<"!"<<endl;
#define BITLE(n) (1LL<<((ll)n))
#define BITCNT(n) (__builtin_popcountll(n))
#define SUBS(s,f,t) ((s).substr((f)-1,(t)-(f)+1))
#define ALL(a) (a).begin(),(a).end()
using namespace std;

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  ll m;cin>>m;
  ll ans=0;
  vi A;
  for(int i=0;i<m;i++){
    ll a,b;cin>>a>>b;
    ll nnum=a*b;
    if(a==0)ans+=b;
    else if(a==9){ans+=2*b-2;A.pb(9);}
    else{
      vi hogg;
      for(ll i=BITLE(16);i>0;i/=2){
	if(b>=i){
	  ll num=a;
	  ll cnt=i;
	  ll plus=0;

	  while(cnt>1){
	    num*=2;
	    if(num>=10){
	      num=num/10+num%10;
	      plus+=cnt;
	    }else{
	      cnt/=2;
	      plus+=cnt;
	    }
	  }
	  hogg.pb(num);
	  // cout<<cnt<<endl;
	  ans+=plus;
	  b-=i;
	}
      }
      if(hogg.size == 0){
	A.pb(a);
      }else{
	ll noww=hogg[0];
	for(int ii=1;ii<hogg.size();ii++){
	noww+=hogg[i];
	if(noww>=10){
	  noww=noww/10+noww%10;
	  ans+=2;
	}else{
	  ans++;
	}
      }
	A.pb(noww);
      }
    }
  }
  ll now=A[0];
  for(int i=1;i<A.size();i++){
    now+=A[i];
    if(now>=10){
      now=now/10+now%10;
      ans+=2;
    }else{
      ans++;
    }
  }
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:56:15: error: invalid use of member function 'std::vector<_Tp, _Alloc>::size_type std::vector<_Tp, _Alloc>::size() const [with _Tp = long long int; _Alloc = std::allocator<long long int>; size_type = long unsigned int]' (did you forget the '()' ?)
   56 |       if(hogg.size == 0){
      |          ~~~~~^~~~
      |                   ()
Language: C++

#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int> 
#define mp make_pair
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define all(c) c.begin(),c.end()
#define pb push_back
#define fi first
#define se second
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
using namespace std;
int m;
ll ans,ones,nnn;
int main(){
    scanf("%d",&m);
    for(int i=1;i<=m;i++){
        ll c,d;
        scanf("%I64d %I64d",&c,&d);
        ones+=c*d;
        nnn+=d;
    }
    ans=max((ones-1)/9,0);
    cout<<nnn-1+ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:12: error: no matching function for call to 'max(long long int, int)'
   23 |     ans=max((ones-1)/9,0);
      |         ~~~^~~~~~~~~~~~~~
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:23:12: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   23 |     ans=max((ones-1)/9,0);
      |         ~~~^~~~~~~~~~~~~~
/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:23:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   23 |     ans=max((ones-1)/9,0);
      |         ~~~^~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define rep(X,N) for(ll X = 0; X < (N); X++)
#define PI (acos(-1.0))
#define pback push_back
#define mpair make_pair
#define divceil(A, B) ((A + (B - 1)) / B)
#define MODN 998244353
#define ALL(V) (V).begin(),(V).end()
#define CERR if(false) cerr

using namespace std;


int main(){

    ll m;
    cin >> m;

    ll sum = 0;
    ll digit = 0;

    rep(i,m){
        int d;
        ll c;

        cin >> d >> c;

        sum += c * d;
        digit += c;
    }

    if(sum == 9) sum = 0;

    cout << (digit - 1) + max(sum - 1, 0) / 9 << endl;




    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:30: error: no matching function for call to 'max(long long int, int)'
   35 |     cout << (digit - 1) + max(sum - 1, 0) / 9 << 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:35:30: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   35 |     cout << (digit - 1) + max(sum - 1, 0) / 9 << 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:35:30: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   35 |     cout << (digit - 1) + max(sum - 1, 0) / 9 << endl;
      |                           ~~~^~~~~~~~~~~~
Language: C++

int main(void){
    int M;cin>>M;
    VI d(M),c(M);
    REP(i,M)cin>>d[i]>>c[i];

    ll sum=0;
    ll cnt=0;
    REP(i,M){
        cnt+=c[i];
        sum+=d[i]*c[i];
    }

    cout<<cnt+sum/10-1<<endl;;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:11: error: 'cin' was not declared in this scope
    2 |     int M;cin>>M;
      |           ^~~
a.cc:3:5: error: 'VI' was not declared in this scope
    3 |     VI d(M),c(M);
      |     ^~
a.cc:4:9: error: 'i' was not declared in this scope
    4 |     REP(i,M)cin>>d[i]>>c[i];
      |         ^
a.cc:4:5: error: 'REP' was not declared in this scope
    4 |     REP(i,M)cin>>d[i]>>c[i];
      |     ^~~
a.cc:6:5: error: 'll' was not declared in this scope
    6 |     ll sum=0;
      |     ^~
a.cc:7:7: error: expected ';' before 'cnt'
    7 |     ll cnt=0;
      |       ^~~~
      |       ;
a.cc:13:5: error: 'cout' was not declared in this scope
   13 |     cout<<cnt+sum/10-1<<endl;;
      |     ^~~~
a.cc:13:11: error: 'cnt' was not declared in this scope; did you mean 'int'?
   13 |     cout<<cnt+sum/10-1<<endl;;
      |           ^~~
      |           int
a.cc:13:15: error: 'sum' was not declared in this scope
   13 |     cout<<cnt+sum/10-1<<endl;;
      |               ^~~
a.cc:13:25: error: 'endl' was not declared in this scope
   13 |     cout<<cnt+sum/10-1<<endl;;
      |                         ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define repeat(i,a,b) for(int i=(a),i##__end=(b);i<i##__end;i++)
#define repeat_back(i,a,b) for(int i=(b)-1,i##__end=(a);i>=i##__end;i--)
#define mst(a,x) memset((a),(x),sizeof(a))
#define pii pair<int,int>
#define N 100010
#define mod 1000000007
#define int ll
int n,m,k
int v[10],to[10];
signed main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin>>n;
	int r=0,ans=0;
	repeat(i,0,n){
		int d,c;
		cin>>d>>c;
		repeat(j,0,10){
			v[j]=(j+d)/10;
			to[j]=(j+d)%10;
		}
		int p=r,cnt=0,vv=0;
		while(1){
			cnt++;
			vv+=v[p];
			p=to[p];
			if(p==r)break;
		}
		ans+=c;
		ans+=vv*(c/cnt);
		c%=cnt;
		repeat(i,0,c){
			ans+=v[p];
			p=to[p];
		}
		r=p;
	}
	cout<<ans-1<<endl;
	return 0;
}

Compiler output:
a.cc:3:12: error: expected initializer before 'long'
    3 | #define ll long long
      |            ^~~~
a.cc:10:13: note: in expansion of macro 'll'
   10 | #define int ll
      |             ^~
a.cc:12:1: note: in expansion of macro 'int'
   12 | int v[10],to[10];
      | ^~~
a.cc: In function 'int main()':
a.cc:21:25: error: 'v' was not declared in this scope
   21 |                         v[j]=(j+d)/10;
      |                         ^
a.cc:22:25: error: 'to' was not declared in this scope; did you mean 'tm'?
   22 |                         to[j]=(j+d)%10;
      |                         ^~
      |                         tm
a.cc:27:29: error: 'v' was not declared in this scope; did you mean 'vv'?
   27 |                         vv+=v[p];
      |                             ^
      |                             vv
a.cc:28:27: error: 'to' was not declared in this scope; did you mean 'tm'?
   28 |                         p=to[p];
      |                           ^~
      |                           tm
a.cc:35:30: error: 'v' was not declared in this scope
   35 |                         ans+=v[p];
      |                              ^
a.cc:36:27: error: 'to' was not declared in this scope; did you mean 'tm'?
   36 |                         p=to[p];
      |                           ^~
      |                           tm
Language: C++

#include <iostream>
#include <string>
#include <cassert>
using namespace std;
string num = "0123456789";
long long a[13];
int solve(string s){
	int cnt = 0;
	if(s.size()==1){
		return cnt;
	}
	int n = s.size();
	int x = s[n - 1] - '0',y = s[n - 2] - '0';
	s.pop_back(); s.pop_back();
	x += y;
	if(x>=10){
		s.push_back('1');
		x %= 10;
	}
	s.push_back(num[x]);
	cnt++;
	return cnt + solve(s);
}
long long ans = 0;
string st;
int main(){
	int i,j,m;
	for(i=0;i<10;i++){
		for(j=1;j<=10;j++){
			string s;
			for(int l=0;l<j;l++){
				s.push_back(num[i]);
			}
			//cout << j << " " << solve(s) << endl;
			a[i] = solve(s);
		}
		//cout << endl;
	}
	cin >> m;
	for(i=0;i<m;i++){
		long long c,d; cin >> d >> c;
		while(c>=10){
			long long x = c%10;
			c /= 10;
			ans += a[d]*c;
			c += x;
		}
		for(j=0;j<c;j++){
			st.push_back(num[d]);
		}
	}
	if(st.size()>=1000000000){
		assert(false);
	}
  ans += solve(st)
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:55:19: error: expected ';' before 'cout'
   55 |   ans += solve(st)
      |                   ^
      |                   ;
   56 |         cout << ans << endl;
      |         ~~~~
Language: C++

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cassert>
using namespace std;
#define N 200
inline int read(){
	int 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;
}
int n,a[N],ans[N],t[N];
namespace grader{
	char s[N];
	int Ask(int *a){
		int cnt0=0,cnt1=0;
		for(int i=1;i<=n;++i){
			if(s[a[i]]=='R')++cnt1;
			else ++cnt0;
		}
		return cnt1>cnt0;
	}
}
int Query(int *a){
	++myh;
	printf("? ");
	for(int i=1;i<=n;++i){
		printf("%d ",a[i]);
	}
	printf("\n");
	fflush(stdout);
	//return grader::Ask(a);
	static char qwq[10];
	scanf("%s",qwq+1);
	assert(qwq[1]^'-');
	return qwq[1]=='R';
}
int main(){
	n=read();
	//scanf("%s",grader::s+1);
	memset(ans,-1,sizeof(ans));
	for(int i=1;i<=n;++i){
		a[i]=i;
	}
	t[1]=Query(a);
	t[n+1]=t[1]^1;
	int l=1,r=n+1;
	while(r-l>1){
		int mid=(l+r)>>1;
		for(int i=1;i<=n;++i){
			a[i]=mid+i-1;
		}
		t[mid]=Query(a);
		if(t[mid]==t[1]){
			l=mid+1;
		}
		else{
			r=mid;
		}
	}
	int pos=l;
	ans[pos]=t[1],ans[pos+n]=t[n+1];
	for(int i=1;i<n;++i){
		a[i]=pos+i;
	}
	for(int i=1;i<pos;++i){
		a[n]=i;
		ans[i]=Query(a);
	}
	for(int i=pos+n+1;i<=(n<<1);++i){
		a[n]=i;
		ans[i]=Query(a);
	}
	for(int i=pos+1;i<pos+n;++i){
		int u=0;
		for(int j=pos;j<=pos+n;++j){
			if(j==i)continue;
			a[++u]=j;
		}
		assert(u==n);
		ans[i]=Query(a)^1;
	}
	printf("! ");
	for(int i=1;i<=(n<<1);++i){
		assert(~ans[i]);
		putchar(ans[i]?'R':'B');
	}
	putchar('\n');
	fflush(stdout);
	return 0;
}



Compiler output:
a.cc: In function 'int Query(int*)':
a.cc:33:11: error: 'myh' was not declared in this scope
   33 |         ++myh;
      |           ^~~
Language: C++

#include<bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define MOD 1000000007
#define MAX 1000000007
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define ub upper_bound
#define lb lower_bound
#define zoom ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;

void print(ll pos, ll N) {
    cout << "? ";
    for(ll i = pos; i < pos + N; i += 1)
        cout << i + 1 << " ";
    cout << endl;
}

void solve1() {
    print(0, 1);
    string T;
    cin >> T;
    if(T == "-1")
        return;
    if(T == "red")
        cout << "! RB" << endl;
    else
        cout << "! BR" << endl;
}

void solve(vector<unsigned char>& ans, ll pos, ll N) {
    string T;
    for(ll i = 0; i < pos; i += 1) {
        cout << "? " << i + 1 << " ";
        for(ll j = pos + 1; j < pos + N; j += 1)
            cout << j + 1 << " ";
        cout << endl;
        cin >> T;
        if(T == "-1")
            return;
        if(T == "red")
            ans[i] = 'R';
        else
            ans[i] = 'B';
    }
    for(ll i = pos + N + 1; i < N; i += 1) {
        cout << "? " << i + 1 << " ";
        for(ll j = pos + 1; j < pos + N; j += 1)
            cout << j + 1 << " ";
        cout << endl;
        cin >> T;
        if(T == "-1")
            return;
        if(T == "red")
            ans[i] = 'R';
        else
            ans[i] = 'B';
    }
    for(ll i = pos + 1; i < pos + N; i += 1) {
        cout << "? " << i + 1 << " ";
        for(ll j = 0; j < pos; j += 1)
            cout << j + 1 << " ";
        for(ll j = pos + N + 1; j < N; j += 1)
            cout << j + 1 << " ";
        cout << endl;
        cin >> T;
        if(T == "-1")
            return;
        if(T == "red")
            ans[i] = 'R';
        else
            ans[i] = 'B';
    }
}

int main() {

    zoom;
    ll N;
    string T;
    cin >> N;
    if(N == 1) {
        solve1();
        return 0;
    }
    ll lb = 0, ub = N + 1, strt = 0;
    print(0, N);
    cin >> T;
    if(T == "-1")
        return 0;
    if(T == "blue")
        strt = 1;
    while(ub - lb > 2) {
        ll mid = (lb + ub) / 2;
        print(mid, N);
        cin >> T;
        if(T == "-1")
            return 0;
        if(T == "red") {
            if(strt == 0)
                lb = mid;
            else
                ub = mid + 1;
        }
        else {
            if(strt == 0)
                ub = mid + 1;
            else
                lb = mid;
        }
    }
    vector<unsigned char> ans(2 * N);
    if(strt = 0) {
        ans[lb] = 'R';
        ans[lb + 1] = 'B';
    }
    else {
        ans[lb] = 'B';
        ans[lb + 1] = 'R';
    }
    solve(ans, lb, N);
    cout << "! ";
    for(i = 0; i < 2 * N; i += 1)
        cout << ans[i] << " ";
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:126:9: error: 'i' was not declared in this scope
  126 |     for(i = 0; i < 2 * N; i += 1)
      |         ^
Language: C++

#include<bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define MOD 1000000007
#define MAX 1000000007
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define ub upper_bound
#define lb lower_bound
#define zoom ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;

void print(ll pos, ll N) {
    cout << "? ";
    for(ll i = pos; i < pos + N; i += 1)
        cout << i + 1 << " ";
    cout << endl;
}

void solve1() {
    print(0, 1);
    string T;
    cin >> T;
    if(T == "-1")
        return;
    if(T == "red")
        cout << "! RB" << endl;
    else
        cout << "! BR" << endl;
}

void solve(vector<unsigned char>& ans, ll pos, ll N) {
    string T;
    for(ll i = 0; i < pos; i += 1) {
        cout << "? " << i + 1 << " ";
        for(ll j = pos + 1; j < pos + N; j += 1)
            cout << j + 1 << " ";
        cout << endl;
        cin >> T;
        if(T == "-1")
            return;
        if(T == "red")
            ans[i] = 'R';
        else
            ans[i] = 'B';
    }
    for(ll i = pos + N + 1; i < N; i += 1) {
        cout << "? " << i + 1 << " ";
        for(ll j = pos + 1; j < pos + N; j += 1)
            cout << j + 1 << " ";
        cout << endl;
        cin >> T;
        if(T == "-1")
            return;
        if(T == "red")
            ans[i] = 'R';
        else
            ans[i] = 'B';
    }
    for(ll i = pos + 1; i < pos + N; i += 1) {
        cout << "? " << i + 1 << " ";
        for(ll j = 0; j < pos; j += 1)
            cout << j + 1 << " ";
        for(ll j = pos + N + 1; j < N; j += 1)
            cout << j + 1 << " ";
        cout << endl;
        cin >> T;
        if(T == "-1")
            return;
        if(T == "red")
            ans[i] = 'R';
        else
            ans[i] = 'B';
    }
}

int main() {

    zoom;
    ll N;
    string T;
    cin >> N;
    if(N == 1) {
        solve1();
        return 0;
    }
    ll lb = 0, ub = N + 1, strt = 0;
    print(0, N);
    cin >> T;
    if(T == "-1")
        return 0;
    if(T == "blue")
        strt = 1;
    while(ub - lb > 2) {
        ll mid = (lb + ub) / 2;
        print(mid, N);
        cin >> T;
        if(T == "-1")
            return 0;
        if(T == "red") {
            if(strt == 0)
                lb = mid;
            else
                ub = mid + 1;
        }
        else {
            if(strt == 0)
                ub = mid + 1;
            else
                lb = mid;
        }
    }
    vector<unsigned char> ans(2 * N);
    if(strt = 0) {
        ans[lb] = 'R';
        ans[lb + 1] = 'B';
    }
    else {
        ans[lb] = 'B';
        ans[lb + 1] = 'R';
    }
    solve(ans, i, N);
    cout << "! ";
    for(i = 0; i < 2 * N; i += 1)
        cout << ans[i] << " ";
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:124:16: error: 'i' was not declared in this scope
  124 |     solve(ans, i, N);
      |                ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define uli unsigned long long int
#define INF 999999999999999999
#define rep(i,m,n) for(lli i = m;i < n;i++)
#define rrep(i,m,n) for(lli i=m-1;i>=n;i--)
#define pb(n) push_back(n)
#define UE(N) N.erase(unique(N.begin(),N.end()),N.end());
#define Sort(n) sort(n.begin(), n.end())
#define Rev(n) reverse(n.begin(),n.end())
#define Out(S) cout << S << endl
#define NeOut(S) cout << S
#define HpOut(S) cout << setprecision(30) << S << endl
#define Vec(K,L,N,S) vector<L> K(N,S)
#define DV(K,L,N,M,S) vector<vector<L>> K(N,vector<L>(M,S))
#define TV(K,L,N,M,R,S) vector<vector<vector<L>>> K(N,vector<vector<L>>(M,vector<L>(R,S)))
#define pint pair<lli,lli>
#define paf(L,R) pair<L,R>
#define mod 1000000007
#define MAX 5100000
#define ALL(a)  a.begin(),a.end()
#define chmax(a, b) a = (((a)<(b)) ? (b) : (a))
#define chmin(a, b) a = (((a)>(b)) ? (b) : (a))
int main(){
  lli C,D,E,F,N,M,K,L,R,X,Y,Z,H,W,sum=0,num=0,flag=0;string S,T;
  cin >> N;
  Vec(P,char,2*N,'.');
  Vec(Q,char,2*N,'.');
  R=N+1;
  L=1;
  Out('?');
  rep(i,0,N)Out(i+L);
  cin >> S;
  P[0]=S[0];
  Out('?');
  rep(i,0,N)Out(i+R);
  cin >> S;
  P[N]=S[0];
  while(R-L>1){
    M=(R+L)/2;
    Out('?');
    rep(i,0,N)Out(i+M);
    cin >> S;
    P[M-1]=S[0];
    if(P[L]==P[M-1])L=M;
    else R=M;
  }
  Q[M]=P[M];
  Q[M-1]=P[M-1];
  rep(i,0,2*N){
    if(Q[i]!='.')continue;
    if(i<M||i>M+N-2){
      Out('?');
      rep(j,0,N-1)Out(j+M);
      Out(i+1);
      cin >> S;
      Q[i]=S[0];
    }
    else{
      Out('?');
      rep(j,0,M-1)Out(i+M);
      rep(j,M+N-1,2*N)Out(j+1);
      Out(i+1);
      cin >> S;
      Q[i]=S[0];
    }
    Out("!");
    rep(i,0,2*N)NeOut(Q[i]);
    Out("");
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:71:4: error: expected '}' at end of input
   71 |   }
      |    ^
a.cc:25:11: note: to match this '{'
   25 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define uli unsigned long long int
#define INF 999999999999999999
#define rep(i,m,n) for(lli i = m;i < n;i++)
#define rrep(i,m,n) for(lli i=m-1;i>=n;i--)
#define pb(n) push_back(n)
#define UE(N) N.erase(unique(N.begin(),N.end()),N.end());
#define Sort(n) sort(n.begin(), n.end())
#define Rev(n) reverse(n.begin(),n.end())
#define Out(S) cout << S << endl
#define NeOut(S) cout << S
#define HpOut(S) cout << setprecision(30) << S << endl
#define Vec(K,L,N,S) vector<L> K(N,S)
#define DV(K,L,N,M,S) vector<vector<L>> K(N,vector<L>(M,S))
#define TV(K,L,N,M,R,S) vector<vector<vector<L>>> K(N,vector<vector<L>>(M,vector<L>(R,S)))
#define pint pair<lli,lli>
#define paf(L,R) pair<L,R>
#define mod 1000000007
#define MAX 5100000
#define ALL(a)  a.begin(),a.end()
#define chmax(a, b) a = (((a)<(b)) ? (b) : (a))
#define chmin(a, b) a = (((a)>(b)) ? (b) : (a))
int main(){
  lli C,D,E,F,N,M,K,L,R,X,Y,Z,H,W,sum=0,num=0,flag=0;string S,T;
  cin >> N;
  Vec(P,char,2*N,'.');
  Vec(Q,char,2*N,'.');
  R=N+1;
  L=1;
  Out('?');
  rep(i,0,N)Out(i+L);
  cin >> S;
  P[0]=S[0];
  Out('?');
  rep(i,0,N)Out(i+R);
  cin >> S;
  P[N]=S[0];
  while(R-L>1){
    M=(R+L)/2;
    Out('?');
    rep(i,0,N)Out(i+M);
    cin >> S;
    P[M-1]=S[0];
    if(P[L]==P[M-1])L=M;
    else R=M;
  }
  Q[M]=P[M];
  Q[M-1]=P[M-1];
  rep(i,0,2*N){
    if(Q[i]!='.')continue;
    if(i<M||i>M+N-2){
      Out('?');
      rep(j,0,N-1)Out(j+M);
      Out(i+1);
      cin >> S;
      Q[i]=S[0];
    }
    else{
      Out('?');
      rep(j,0,M-1)Out(i+M);
      rep(j,M+N-1,2*N)Out(j+1);
      Out(i+1);
      cin >> S;
      Q[i]=S[0];
    }
    Out("!");
    rep(i,0,2*N)Out(Q[i]);
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:70:4: error: expected '}' at end of input
   70 |   }
      |    ^
a.cc:25:11: note: to match this '{'
   25 | int main(){
      |           ^
Language: C++

/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
using namespace std;

const int N = 102;

int q = 0;
bool query(vector<int> v)
{
	q++;
	assert(v.size()==n);
	cout << "? ";
	for (int i = 0; i < v.size(); i++)
		cout << v[i] << " ";
	cout << endl;
	string res;
	cin >> res;
	return (res=="Red");
}

int n,pos,c[N+N],ans[N+N];
vector<int> a;
bool last;

int main()
{
	srand(84684);
	cin >> n;
	for (int i = 1; i <= n + n; i++)
		a.PB(i);
	random_shuffle(all(a));
	a.PB(0);
	reverse(all(a));
	for (int i = 1; i <= n+1; i++)
	{
		vector<int> v;
		for (int j = 0; j < n; j++)
			v.PB(a[i+j]);
		int res = query(v);
		if (i != 1 && res != last)
		{
			pos = i;
			last = res;
			break;
		}
		last = res;
	}

	c[pos + n-1] = last;
	c[pos - 1] = !last;
	vector<int> x;
	for (int i = pos; i < pos + n - 1; i++)
		x.PB(a[i]);

	for (int i = 1; i <= n + n; i++)
	{
		if (i < pos + n && i >= pos - 1)
			continue;
		x.PB(a[i]);
		c[i] = query(x);
		x.pop_back();
	}
	x.clear();
	for (int i = 1; i <= n + n; i++)
	{
		if (i < pos + n && i >= pos - 1)
			continue;
		if (c[i] == 0 && x.size() < (n - 1) / 2)
			x.PB(a[i]);
	}
	for (int i = 1; i <= n + n; i++)
	{
		if (i < pos + n && i >= pos - 1)
			continue;
		if (c[i] && x.size() < (n - 1))
			x.PB(a[i]);
	}

	for (int i = 1; i <= n + n; i++)
	{
		if (i < pos + n-1 && i >= pos)
		{
			x.PB(a[i]);
			c[i] = query(x);
			x.pop_back();
		}
	}
	assert(q<=210);
	for (int i = 1; i <= n + n; i++)
		ans[a[i]] = c[i];
	cout << "! ";

	for (int i = 1; i <= n + n; i++)
		if (ans[i])
			cout << "R";
		else
			cout << "B";
	cout << endl;

	return 0;
}

/*

123456
RRBBRB


*/

Compiler output:
In file included from /usr/include/c++/14/cassert:44,
                 from a.cc:14:
a.cc: In function 'bool query(std::vector<int>)':
a.cc:31:26: error: 'n' was not declared in this scope
   31 |         assert(v.size()==n);
      |                          ^
a.cc: In function 'int main()':
a.cc:51:23: warning: 'void std::random_shuffle(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<int*, vector<int> >]' is deprecated: use 'std::shuffle' instead [-Wdeprecated-declarations]
   51 |         random_shuffle(all(a));
      |         ~~~~~~~~~~~~~~^~~~~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:3:
/usr/include/c++/14/bits/stl_algo.h:4492:5: note: declared here
 4492 |     random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~~~~~~~~~~~