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



#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>
#include<stack>
#include<queue>
#include<vector>
#include<algorithm>
#include<string>
#include<iostream>
using namespace std;




int main() {
    char s[100005],t[100005];
    int q;
    scanf("%s\n%s\n",s,t);
    scanf("%d",&q);
    int ss[100005],tt[100005];
    ss[0]=0;
    tt[0]=0;
    for(int i=0;i<=strlen(s)-1;i++){
        if(s[i]=='A')ss[i+1]=ss[i]+1;
        else ss[i+1]=ss[i]+2;
    }
    for(int i=0;i<=strlen(t)-1;i++){
        if(t[i]=='A')tt[i+1]=tt[i]+1;
        else tt[i+1]=tt[i]+2;
    }
    
    for(int i=1;i<=q;i++){
        int a,b,c,d;
        scanf("%d %d %d %d",&a,&b,&c,&d);
        if(((ss[b]-ss[a-1])-(tt[d]-tt[c-1]))%3==0)printf("YES");
        else printf("NO");
        printf("\n");
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:41:6: error: expected '}' at end of input
   41 |     }
      |      ^
a.cc:18:12: note: to match this '{'
   18 | int main() {
      |            ^
Language: C++

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		new Main().solve();
	}
	void solve() {
		Scanner sc=new Scanner(System.in);
		String s=sc.next();
		String t=sc.next();
		int q=sc.nextInt();
		int[]a=new int[q];
		int[]b=new int[q];
		int[]c=new int[q];
		int[]d=new int[q];
		for(int i=0;i<q;i++) {
			a[i]=sc.nextInt()-1;
			b[i]=sc.nextInt()-1;
			c[i]=sc.nextInt()-1;
			d[i]=sc.nextInt()-1;
		}
		
		for(int i=0;i<q;i++) {
			String si=press(s.substring(a[i],b[i]+1));
			String ti=press(t.substring(c[i],d[i]+1));
			if(si.equals(ti)){
				System.out.println("YES");
			}else {
				System.out.println("NO");
			}
		}
	}
	String press(String s) {
		while(s.length()>1) {
			if(s.length()>2) {
				s=s.replace("AAA", "");
				s=s.replace("BBB", "");
			}
			if(s.length()>1) {
				s=s.replace("AB","");
				s=s.replace("BA","");
				s=s.replace("BB", "A");
				s=s.replace("AA", "B");
			}
		}
		return s;
	}
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.ArrayList;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.Arrays;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import java.util.Scanner;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:1: error: expected unqualified-id before 'public'
    5 | public class Main {
      | ^~~~~~
Language: C++

#include "IntMod.h"
typedef IntMod<1000000007> MInt;

//#include "Union_Find.h"

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
#include <vector>
#include <utility>
#include <algorithm>
#include <functional>
#include <cmath>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <iomanip>
#include <sstream>
#include <numeric>
#include <list>
#include <bitset>

using namespace std;
#define REP(i,a,n) for(int i = (a); i < (int)(n); ++i)
#define REPM(i,n,a) for(int i = ((n) - 1); i >= (a); --i)
#define EPS 0.0001
#define INF 0x3FFFFFFF
#define INFLL 0x3FFFFFFF3FFFFFFF
#define INFD 1.0e+308
#define FLOAT setprecision(16)
typedef long long LL;
typedef unsigned long long ULL;
typedef pair<LL, LL> PP;

template <class T, class U>
istream& operator>>(istream& ist, pair<T, U>& right) { return ist >> right.first >> right.second; }
template <class T, class U>
ostream& operator<<(ostream& ost, pair<T, U>& right) { return ost << right.first << ' ' << right.second; }
template <class T, class TCompatible, size_t N>
void Fill(T(&dest)[N], const TCompatible& val) { fill(begin(dest), end(dest), val); }
template <class T, class TCompatible, size_t M, size_t N>
void Fill(T(&dest)[M][N], const TCompatible& val) { for (int i = 0; i < M; ++i) Fill(dest[i], val); }
//sum, 累積和
// 負のときの割り算に注意
#if 1
#include <array>
#include <unordered_set>
#include <unordered_map>
template<class T>
using PriorityQ = priority_queue<T, vector<T>, greater<T> >;	// コスト小を優先
#endif

//#include "Union_Find.h"

string S, T;
int N;
PP A[100000], B[100000];
int SS[100001], TT[100001];
int main() {
	cin >> S >> T;
	cin >> N;
	REP(i, 0, N) {
		cin >> A[i] >> B[i];
	}
	REP(i, 0, S.size()) {
		SS[i + 1] = SS[i] + (S[i] == 'A' ? 1 : 2);
	}
	REP(i, 0, T.size()) {
		TT[i + 1] = TT[i] + (T[i] == 'A' ? 1 : 2);
	}
	REP(i, 0, N) {
		int sd = SS[A[i].second] - SS[A[i].first - 1];
		int td = TT[B[i].second] - TT[B[i].first - 1];
		cout << ((td - sd) % 3 == 0 ? "YES" : "NO") << endl;
	}
	return 0;
}

Compiler output:
a.cc:1:10: fatal error: IntMod.h: No such file or directory
    1 | #include "IntMod.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

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

const int maxn = 100009;
char s[maxn], t[maxn];
int S[maxn], T[maxn];
int n, m, Q, a, b, c, d;

int main(){
	gets(s+1); gets(t+1);
	n = strlen(s+1); 
	for (int i=1; i<=n; i++)
		S[i] = (S[i-1] + (s[i] == 'A' ? 1 : 2)) % 3;
	m = strlen(t+1);
	for (int i=1; i<=m; i++)
		T[i] = (T[i-1] + (t[i] == 'A' ? 1 : 2)) % 3;
	scanf("%d", &Q);
	while (Q--){
		scanf("%d%d%d%d", &a, &b, &c, &d);
		puts((S[b]-S[a-1]+3)%3 == (T[d]-T[c-1]+3)%3 ? "YES" : "NO");
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   10 |         gets(s+1); gets(t+1);
      |         ^~~~
      |         getw
Language: C++

#include<stdio.h>
#include<vector>
#include<algorithm>
#include<set>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pll;

const int MX = 500005;
const int MM = 1000000007;

char A[MX], B[MX];
int X[MX], Y[MX];
int N, M;

int main()
{
	scanf("%s%s", A+1, B+1);
	N = strlen(A+1), M = strlen(B+1);
	for(int i = 1; i <= N; i++) X[i] = X[i-1] + (A[i] == 'A'? 1:-1);
	for(int i = 1; i <= M; i++) Y[i] = Y[i-1] + (B[i] == 'A'? 1:-1);

	int Q, a, b, c, d;
	scanf("%d", &Q);
	for(int i = 1; i <= Q; i++){
		scanf("%d%d%d%d", &a, &b, &c, &d);
		printf("%s\n", (X[b] + Y[c-1] - X[a-1] - Y[d]) % 3 == 0? "YES":"NO");
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:13: error: 'strlen' was not declared in this scope
   21 |         N = strlen(A+1), M = strlen(B+1);
      |             ^~~~~~
a.cc:5:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    4 | #include<set>
  +++ |+#include <cstring>
    5 |
Language: C++

#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>

using namespace std;

int main(void){
    string S;
    string T;
    int N;

    cin >> S >> T;
    
    cin >> N;

    int s_s, s_e, t_s, t_e;

    int S_asum[100005];
    S_asum[0] = 0;
    for(int j=1;j<=S.length();j++){
        S_asum[j] = (S_asum[j-1] + S[j -1] - 'A' + 1) % 3;
    }
    int T_asum[100005];
    T_asum[0] = 0;
    for(int j=1;j<=T.length();j++){
        T_asum[j] = (T_asum[j-1] + T[j -1] - 'A' + 1) % 3;
    }

    for(int i=0;i<N;i++){

        /*cin >> s_s >> s_e >> t_s >> t_e;*/
        scanf("%d%d%d%d", &s_s, &s_e, &t_s, &t_e);

        int s_tmp = 0;
        int t_tmp = 0;

        s_tmp = S_asum[s_e] - S_asum[s_s-1] + 3;
        t_tmp = T_asum[t_e] - T_asum[t_s-1] + 3;

        /*string ans = "NO";*/
        if((s_tmp - t_tmp) % 3 == 0){
            /*ans = "YES";*/
            printf("YES\n");
        }
        els{printf("NO\n");}
        /*else{printf("NO\n");}*/
        /*cout << ans << endl;*/
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:9: error: 'els' was not declared in this scope
   45 |         els{printf("NO\n");}
      |         ^~~
Language: C++

#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>

using namespace std;

int main(void){
    /*
    string S;
    string T;
    */
    char S[100005], T[100005];
    int N;

    cin >> S >> T;
    cin >> N;

    int s_s, s_e, t_s, t_e;

    int S_asum[100005];
    S_asum[0] = 0;
    for(int j=1;j<=S.length();j++){
        S_asum[j] = S_asum[j-1] + S[j -1] - 'A' + 1;
    }
    int T_asum[100005];
    T_asum[0] = 0;
    for(int j=1;j<=T.length();j++){
        T_asum[j] = T_asum[j-1] + T[j -1] - 'A' + 1;
    }

    for(int i=0;i<N;i++){

        cin >> s_s >> s_e >> t_s >> t_e;
        int s_tmp = 0;
        int t_tmp = 0;

        s_tmp = S_asum[s_e] - S_asum[s_s-1];
        t_tmp = T_asum[t_e] - T_asum[t_s-1];

        string ans = "NO";
        if((s_tmp - t_tmp) % 3 == 0){
            ans = "YES";
        }
        cout << ans << endl;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:22: error: request for member 'length' in 'S', which is of non-class type 'char [100005]'
   22 |     for(int j=1;j<=S.length();j++){
      |                      ^~~~~~
a.cc:27:22: error: request for member 'length' in 'T', which is of non-class type 'char [100005]'
   27 |     for(int j=1;j<=T.length();j++){
      |                      ^~~~~~
Language: C++

#include <iostream>
#include <algorithm>

using namespace std;

int main(void){
    string S;
    string T;
    int N;

    cin >> S >> T;
    cin >> N;

    int s_s, s_e, t_s, t_e;

    for(int i=0;i<N;i++){
        cin >> s_s >> s_e >> t_s >> t_e;
        int s_a = 0;
        int t_a = 0;
        for(int j=s_s-1;j<s_e;j++){
             if(S[j] == 'A'){
                 s_a++;
             }
        }
        s_a = s_a + (S.length() - s_a) * 2
        for(int j=t_s-1;j<t_e;j++){
             if(T[j] == 'A'){
                 t_a++;
             }
             
        }
        t_a = t_a + (T.length() - t_a) * 2
        string ans = "NO";
        if(s_a % 3 == t_a % 3){
            ans = "YES";
        }
        cout << ans << endl;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:43: error: expected ';' before 'for'
   25 |         s_a = s_a + (S.length() - s_a) * 2
      |                                           ^
      |                                           ;
   26 |         for(int j=t_s-1;j<t_e;j++){
      |         ~~~                                
a.cc:26:25: error: 'j' was not declared in this scope
   26 |         for(int j=t_s-1;j<t_e;j++){
      |                         ^
a.cc:32:43: error: expected ';' before 'string'
   32 |         t_a = t_a + (T.length() - t_a) * 2
      |                                           ^
      |                                           ;
   33 |         string ans = "NO";
      |         ~~~~~~                             
a.cc:35:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   35 |             ans = "YES";
      |             ^~~
      |             abs
a.cc:37:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   37 |         cout << ans << endl;
      |                 ^~~
      |                 abs
Language: C++

#include <iostream>
#include <string>
using namespace std;
string deal(string s)
{
	//cout<<s.c_str()<<endl;
	string s1;
	int i=0,j=0;
	char *pS;
	bool has=false;
	while (true){
		pS = (char*)s.c_str();
		char *p = pS;
		while(*p!='\0'){
			if (!memcmp(p,"AB",2) || !memcmp(p,"BA",2)){
				memset(p,' ',2);
				p=p+2;
				has = true;
			}else if (!memcmp(p,"AAA",3) || !memcmp(p,"BBB",3)){
				memset(p,' ',3);
				p=p+3;
				has=true;
			}else{
				p++;
			}
		}
		if (has==false){
			s = pS;
			break;
		}else{
			has = false;
		}
		s1.clear();
		p = pS;
		while (*p!='\0'){
			if (*p != ' '){
				s1 += *p;
			}
			p++;
		}
		s = s1;
	}
	if (!s.compare("AA")){
		s = "B";
	}
	if (!s.compare("BB")){
		s = "A";
	}
	return s;
}
int main(int argc, char* argv[])
{
	string S,T;
	cin>>S;
	cin>>T;
	int q;
	cin>>q;
	int i=0;
	for (i=0;i<q;i++){
		string s,t;
		int a,b,c,d;
		cin>>a>>b>>c>>d;
		int j;
		for (j=a;j<=b;j++){
			s +=S[j-1];
		}
		for (j=c;j<=d;j++){
			t +=T[j-1];
		}
		string s1 = deal(s);
		string t1 = deal(t);
		if (!s1.compare(t1)){
			cout<<"YES"<<endl;
		}else{
			cout<<"NO"<<endl;
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'std::string deal(std::string)':
a.cc:15:30: error: 'memcmp' was not declared in this scope
   15 |                         if (!memcmp(p,"AB",2) || !memcmp(p,"BA",2)){
      |                              ^~~~~~
a.cc:2:1: note: 'memcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 | #include <string>
a.cc:16:33: error: 'memset' was not declared in this scope
   16 |                                 memset(p,' ',2);
      |                                 ^~~~~~
a.cc:16:33: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:20:33: error: 'memset' was not declared in this scope
   20 |                                 memset(p,' ',3);
      |                                 ^~~~~~
a.cc:20:33: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
Language: C++

#include<cstdio>
#include<algorithm>
#include<cstring>
#include<cmath>
typedef long long ll;
char an[100100];
char bn[100100];
int da[100100];
int db[100100];
int main(){
    gets(an);
    gets(bn);
    for(int i=0;i<strlen(an);i++){
        if(an[i]=='A'){
            da[i+1]=(da[i]+1);
        }
        else da[i+1]=(da[i]+2);
    }
    for(int i=0;i<strlen(bn);i++){
        if(bn[i]=='A'){
            db[i+1]=(db[i]+1);
        }
        else db[i+1]=(db[i]+2);
    }
    int q;
    scanf("%d",&q);
    for(int i=1;i<=q;i++){
        int a1,a2,b1,b2;
        scanf("%d%d%d%d",&a1,&a2,&b1,&b2);
        int ansa=da[a2]-da[a1-1];
        ansa%=3;
        int ansb=db[b2]-db[b1-1];
        ansb%=3;
        if(ansa==ansb)printf("YES\n");
        else printf("NO\n");
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
   11 |     gets(an);
      |     ^~~~
      |     getw
Language: C++

#include<cstdio>
#include<algorithm>
#include<cstring>
#include<cmath>
typedef long long ll;
char an[100100];
char bn[100100];
int da[100100];
int db[100100];
int main(){
    scanf("%s%s",an,bn)
    for(int i=0;i<strlen(an);i++){
        if(an[i]=='A'){
            da[i+1]=(da[i]+1);
        }
        else da[i+1]=(da[i]+2);
    }
    for(int i=0;i<strlen(bn);i++){
        if(bn[i]=='A'){
            db[i+1]=(db[i]+1);
        }
        else db[i+1]=(db[i]+2);
    }
    int q;
    scanf("%d",&q);
    for(int i=1;i<=q;i++){
        int a1,a2,b1,b2;
        scanf("%d%d%d%d",&a1,&a2,&b1,&b2);
        int ansa=da[a2]-da[a1-1];
        ansa%=3;
        int ansb=db[b2]-db[b1-1];
        ansb%=3;
        if(ansa==ansb)printf("YES\n");
        else printf("NO\n");
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:24: error: expected ';' before 'for'
   11 |     scanf("%s%s",an,bn)
      |                        ^
      |                        ;
   12 |     for(int i=0;i<strlen(an);i++){
      |     ~~~                 
a.cc:12:17: error: 'i' was not declared in this scope
   12 |     for(int i=0;i<strlen(an);i++){
      |                 ^
Language: C++

#pragma comment(linker, "/STACK:1024000000,1024000000")
#include<algorithm>
#include<iostream>
#include<cstring>
#include<fstream>
#include<bitset>
#include<cstdio>
#include<string>
#include<vector>
#include<cmath>
#include<queue>
#include<stack>
#include<map>
#include<set>
#define INF 0X3F3F3F3F
#define N 100505
#define M 200005
#define LL long long
#define FF(i,a,b) for(int i=a;i<=b;++i)
#define RR(i,a,b) for(int i=a;i>=b;--i)
#define FJ(i,a,b) for(int i=a;i<b;++i)
#define SC(x) scanf("%d",&x)
#define SCC(x,y) scanf("%d%d",&x,&y)
#define SCCC(x,y,z) scanf("%d%d%d",&x,&y,&z)
#define SS(x) scanf("%s",x)
#define PR(x) printf("%d\n",x)
#define CL(a, x) memset(a, x, sizeof(a))
#define _q fd[rt]
#define _l fd[rt<<1]
#define _r fd[rt<<1|1]
#define MID int mid=((l+r)>>1)
#define lson rt<<1,l,mid
#define rson rt<<1|1,mid+1,r
#define PB push_back
#define SZ size
#define PII pair<int,int>
#define PLL pair<long long,long long>
#define MP make_pair
#define IN freopen("in.txt","r",stdin)
#define OUT freopen("out.txt","w",stdout)
using namespace std;
const int MOD=1000000007;
const double PI=acos(-1.0);
const double EPS=1e-8;
char s1[N], s2[N];
int a1[N], b1[N], a2[N], b2[N], q, x1, y1, x2, y2;
int main(){
  //  IN;
    SS(s1 + 1);
    SS(s2 + 1);
    int len1 = strlen(s1 + 1);
    int len2 = strlen(s2 + 1);
    FF(i, 1, len1){
        a1[i] = a1[i - 1];
        b1[i] = b1[i - 1];
        if(s1[i] == 'A')++a1[i];
        if(s1[i] == 'B')++b1[i];
    }
    FF(i, 1, len2){
        a2[i] = a2[i - 1];
        b2[i] = b2[i - 1];
        if(s2[i] == 'A')++a2[i];
        if(s2[i] == 'B')++b2[i];
    }
    SC(q);
    FF(i, 1, q){
        SCC(x1, y1);
        SCC(x2, y2);
        int A1 = a1[y1] - a1[x1 - 1];
        int B1 = b1[y1] - b1[x1 - 1];
        int A2 = a2[y2] - a2[x2 - 1];
        int B2 = b2[y2] - b2[x2 - 1];
        if(A1 > A2)B2 += (A1 - A2) % 3;
        else B1 += (A2 - A1) % 3;
        int tt = abs(B1 - B2);
        if(tt % 3)puts("NO");
        else puts("YES");
    }
    return 0;
}


Compiler output:
a.cc:46:40: error: 'int y1' redeclared as different kind of entity
   46 | int a1[N], b1[N], a2[N], b2[N], q, x1, y1, x2, y2;
      |                                        ^~
In file included from /usr/include/features.h:523,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/c++config.h:683,
                 from /usr/include/c++/14/bits/stl_algobase.h:59,
                 from /usr/include/c++/14/algorithm:60,
                 from a.cc:2:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:257:1: note: previous declaration 'double y1(double)'
  257 | __MATHCALL (y1,, (_Mdouble_));
      | ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:69:20: error: invalid types 'int [100505][double(double) noexcept]' for array subscript
   69 |         int A1 = a1[y1] - a1[x1 - 1];
      |                    ^
a.cc:70:20: error: invalid types 'int [100505][double(double) noexcept]' for array subscript
   70 |         int B1 = b1[y1] - b1[x1 - 1];
      |                    ^
Language: C++

# include <iostream>

using namespace std;

int main() 
{	
	int cnt1[100010];
        int cnt2[100010];
		
        string s , t;
        cin >> s >> t;

	int i , length = s.length();
		
		for (i = 0;i < length;i ++) {
			char ch = s[i];
			if (ch == 'A') {
				if (i == 0) {
					cnt1[i] = 1;
				} else {
					cnt1[i] = cnt1[i - 1] + 1;
				}
			} else {
				if (i > 0) {
					cnt1[i] = cnt1[i - 1] - 1;
				} else 
					cnt1[i] = - 1;
			}
		}
		
		length = t.length();
		for (i = 0;i < length;i ++) {
			char ch = t[i];
			if (ch == 'A') {
				if (i == 0) {
					cnt2[i] = 1;
				} else {
					cnt2[i] = cnt2[i - 1] + 1;
				}
			} else {
				if (i > 0) {
					cnt2[i] = cnt2[i - 1] - 1;
				} else {
					cnt2[i] = - 1;
				}
			}
		}
		
		int total;
                cin >> total;

		for (i = 0;i < total;i ++) {
			int l1 , r1 , l2 , r2;
                        cin >> l1 >> r1 >> l2 >> r2;
                        l1 --;
			r1 --;
			l2 --;
			r2 --;
			
			int result1 = cnt1[r1];
			if (l1 - 1 >= 0) {
				result1 -= cnt1[l1 - 1];
			}
			int result2 = cnt2[r2];
			if (l2 - 1 >= 0) {
				result2 -= cnt2[l2 - 1];
			}
			
			int diff = Math.abs(result1 - result2);
			if (diff % 3 == 0) {
				cout << "YES" << endl;
			} else {
				cout << "NO" << endl;
			}
		}

} 

Compiler output:
a.cc: In function 'int main()':
a.cc:69:36: error: 'Math' was not declared in this scope
   69 |                         int diff = Math.abs(result1 - result2);
      |                                    ^~~~
Language: Java

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define MOD 1000000007
int n;
ll dp[1000001];
ll exp(int r){
    ll prod = 1;
    for(int i=1;i<=r;i++){
        prod*=2;
        prod%=MOD;
    }
    return prod;
    
}
int main(){
    cin >> n;
 //   dp[n] = n;
    if(n==1){
        cout << 1;
    }
    else{
        ll ans = exp(n-2);
        ans*=n;
        ans%=MOD;
        ans*=(n-1);
        ans%=MOD;
        ans+=n;
        ans%=MOD;
        cout << ans << endl;
    }
}


Compiler output:
Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include <bits/stdc++.h>
         ^
Main.java:3: error: illegal character: '#'
#define ll long long
^
Main.java:3: error: class, interface, enum, or record expected
#define ll long long
        ^
Main.java:4: error: illegal character: '#'
#define MOD 1000000007
^
Main.java:6: error: class, interface, enum, or record expected
ll dp[1000001];
^
Main.java:7: error: unnamed classes are a preview feature and are disabled by default.
ll exp(int r){
^
  (use --enable-preview to enable unnamed classes)
Main.java:17: error: not a statement
    cin >> n;
        ^
Main.java:20: error: not a statement
        cout << 1;
             ^
Main.java:30: error: not a statement
        cout << ans << endl;
                    ^
10 errors
Language: C++

// you can use includes, for example:
#include <iostream>
#include <vector>
#include <algorithm>
#include <memory>
#include <unordered_map>
#include <algorithm>
#include <unordered_map>
#include <string>
#include <sstream>
#include <set>
#include <cassert>
#include <map>

using namespace std;

constexpr int64_t kMod = 1e9 + 7;
constexpr int64_t kMaxN = 1e6 + 1;

int64_t din[kMaxN][2];
std::vector<int> gen;
int total = 0;

void Print() {
  for (auto& el : gen) {
    cout << el << " ";
  }
  cout << endl;
}

bool Check(int n) {

  auto check_seg = [&](int l, int r) {
    int cur = gen[l];
    for (int i = l; i <= r; i++) {
      if (gen[i] != cur) {
        return false;
      }
    }
    return true;
  };

  for (int i = 0; i < n - 1; i++) {
    if (!check_seg(i + 1, min(i + gen[i], n - 1))) {
      return false;
    }
  }
  Print();
  return true;
}

void Gen(int i, int n) {
  if (i == n) {
    total += Check(n);
  } else {
    for (int j = 1; j <= n; j++) {
      gen.push_back(j);
      Gen(i + 1, n);
      gen.pop_back();
    }
  }
}

void Test(int n) {
  total = 0;
  Gen(0, n);
  cout << "Correct answer " << total << endl;
}

int main(void) {
  ios_base::sync_with_stdio(0);
  int n;
  cin >> n;
//  Test(n);

  din[1][0] = 1;
  din[1][1] = 1;
  for (int i = 2; i <= n; i++) {
    din[i][0] = din[i - 1][0];
    din[i][0] += din[i - 2][1];
    din[i][0] %= kMod;
    din[i][1] = (din[i - 1][1] + din[i - 1][0]) % kMod;
  }


  auto calc = [&](int rem) {
    if (rem == 0) {
      return 1LL;
    }
    if (rem == 1) {
      return n - 1LL;
    }
    int64_t sum = 0;
    sum += (n - 1) * 1ll * (n - 1);
    sum += n - (rem) + 1;
    sum %= kMod;
    return sum;
  };

//  cout << "Din " <<  din[4] << endl;


  int64_t ans = 0;
  for (int i = 0; i <= n; i++) {
    ans += ((i == 0 ? 1LL : din[i][0]) * 1ll * calc(n - i));
//    cout << i << " " << ans << endl;
    ans %= kMod;
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In lambda function:
a.cc:97:12: error: inconsistent types 'long long int' and 'long int' deduced for lambda return type
   97 |     return sum;
      |            ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define MAX 1000010
#define mod 1000000007
typedef long long ll;
int n,f[MAX],ad;

int main()
{
    scanf("%d",&n);
    f[n]=n;
    f[n-1]=(ll)n*n%mod;
    for(int i=n-2;i>=1;--i)
    {
        ad=(ad+f[i+3])%mod;
        f[i]=f[i+1];
        f[i]=(f[i]+(ll)(n-1)*(n-1)%mod)%mod;
        f[i]=(f[i]+add)%mod;
        f[i]=(f[i]+i+1)%mod;
    }
    printf("%d\n",f[1]);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: 'add' was not declared in this scope; did you mean 'std::filesystem::perm_options::add'?
   18 |         f[i]=(f[i]+add)%mod;
      |                    ^~~
      |                    std::filesystem::perm_options::add
In file included from /usr/include/c++/14/filesystem:51,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200,
                 from a.cc:1:
/usr/include/c++/14/bits/fs_fwd.h:219:7: note: 'std::filesystem::perm_options::add' declared here
  219 |       add       = 0x2,
      |       ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int n, dp[1000005], cnt;
int main()
{
    cin >> n;
    dp[n] = n;
    dp[n-1]=(long long)n * n % 1000000007;
    for(int i = n - 2; i >= 1; --i)
    {
        cnt = (cnt + dp[i+3]) % 1000000007;
        dp[i] = dp[i+1];
        dp[i] = (dp[i] + (long long)(n-1) * (n-1) % 1000000007) % 1000000007;
        dp[i] = (dp[i] + add) % 1000000007;
        dp[i] = (dp[i] + i + 1) % 1000000007;
    }
    cout << dp[n];
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:14:26: error: 'add' was not declared in this scope; did you mean 'std::filesystem::perm_options::add'?
   14 |         dp[i] = (dp[i] + add) % 1000000007;
      |                          ^~~
      |                          std::filesystem::perm_options::add
In file included from /usr/include/c++/14/filesystem:51,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200,
                 from a.cc:1:
/usr/include/c++/14/bits/fs_fwd.h:219:7: note: 'std::filesystem::perm_options::add' declared here
  219 |       add       = 0x2,
      |       ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int n, dp[1000005], cnt;
int main()
{
    cin >> n;
    dp[n] = n;
    dp[n-1]=(long long)n * n % mod;
    for(int i=n-2;i>=1;--i)
    {
        cnt = (cnt + dp[i+3]) % 1000000007;
        dp[i] = dp[i+1];
        dp[i] = (dp[i] + (long long)(n-1) * (n-1) % mod) % mod;
        dp[i] = (dp[i] + add) % 1000000007;
        dp[i] = (dp[i] + i + 1) % 1000000007;
    }
    cout << dp[n];
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:32: error: 'mod' was not declared in this scope; did you mean 'modf'?
    8 |     dp[n-1]=(long long)n * n % mod;
      |                                ^~~
      |                                modf
a.cc:14:26: error: 'add' was not declared in this scope; did you mean 'std::filesystem::perm_options::add'?
   14 |         dp[i] = (dp[i] + add) % 1000000007;
      |                          ^~~
      |                          std::filesystem::perm_options::add
In file included from /usr/include/c++/14/filesystem:51,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200,
                 from a.cc:1:
/usr/include/c++/14/bits/fs_fwd.h:219:7: note: 'std::filesystem::perm_options::add' declared here
  219 |       add       = 0x2,
      |       ^~~
Language: C++

#include<iostream>
int main(){
  long long n,i,mod=1000000007;
  con>>n;
  long long ans=1;
  for(i=0;i<n;i++)
    ans=ans*2%mod;
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'con' was not declared in this scope
    4 |   con>>n;
      |   ^~~
a.cc:8:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |   cout<<ans<<endl;
      |   ^~~~
      |   std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |   cout<<ans<<endl;
      |              ^~~~
      |              std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<stdio.h>
#define LL long long
const int N=1e6+10,mod=1e9+7;
int n,m,f[N],ans;
il LL rd()
{
    LL x=0,w=1;char ch=0;
    while(ch<'0'||ch>'9') {if(ch=='-') w=-1;ch=getchar();}
    while(ch>='0'&&ch<='9') {x=(x<<3)+(x<<1)+(ch^48);ch=getchar();}
    return x*w;
}
int main()
{
    m=(1ll*(n-1)*(n-1))%mod;
    ans=m+1+(n>2);
    int sm=f[0]=1;
    for(int i=1;i<n;++i)
    {
        f[i]=sm;
        if(i-2>=0) f[i]=(f[i]-f[i-2]+mod)%mod;
        sm=(sm+f[i])%mod;
        if(i!=n-1) ans=(ans+1ll*f[i]*(m+min(i+2,n-1))%mod)%mod;
        else ans=(ans+1ll*f[i]*n%mod)%mod;
    }
    printf("%d\n",ans);
    return 0;
}

Compiler output:
a.cc:5:1: error: 'il' does not name a type
    5 | il LL rd()
      | ^~
a.cc: In function 'int main()':
a.cc:22:41: error: 'min' was not declared in this scope; did you mean 'main'?
   22 |         if(i!=n-1) ans=(ans+1ll*f[i]*(m+min(i+2,n-1))%mod)%mod;
      |                                         ^~~
      |                                         main
Language: C++

#include<stdio.h>
#define LL long long
const int N=1e6+10,mod=1e9+7;
int n,m,f[N],ans;
il LL rd()
{
    LL x=0,w=1;char ch=0;
    while(ch<'0'||ch>'9') {if(ch=='-') w=-1;ch=getchar();}
    while(ch>='0'&&ch<='9') {x=(x<<3)+(x<<1)+(ch^48);ch=getchar();}
    return x*w;
}
int main()
{
	m=(1ll*(n-1)*(n-1))%mod;
	ans=m+1+(n>2);
	int sm=f[0]=1;
	for(int i=1;i<n;++i)
    {
        f[i]=sm;
        if(i-2>=0) f[i]=(f[i]-f[i-2]+mod)%mod;
        sm=(sm+f[i])%mod;
        if(i!=n-1) ans=(ans+1ll*f[i]*(m+min(i+2,n-1))%mod)%mod; //乘的东西代表的分别是xyyyy和x1111
        else ans=(ans+1ll*f[i]*n%mod)%mod;
    }
    printf("%d\n",ans);
    return 0;
}

Compiler output:
a.cc:5:1: error: 'il' does not name a type
    5 | il LL rd()
      | ^~
a.cc: In function 'int main()':
a.cc:22:41: error: 'min' was not declared in this scope; did you mean 'main'?
   22 |         if(i!=n-1) ans=(ans+1ll*f[i]*(m+min(i+2,n-1))%mod)%mod; //乘的东西代表的分别是xyyyy和x1111
      |                                         ^~~
      |                                         main
Language: C++

#include<stdio.h>
#define LL long long
const int N=1e6+10,mod=1e9+7;
int n,m,f[N],ans;
int main()
{
	m=(1ll*(n-1)*(n-1))%mod;
	ans=m+1+(n>2);
	int sm=f[0]=1;
	for(int i=1;i<n;++i)
    {
        f[i]=sm;
        if(i-2>=0) f[i]=(f[i]-f[i-2]+mod)%mod;
        sm=(sm+f[i])%mod;
        if(i!=n-1) ans=(ans+1ll*f[i]*(m+min(i+2,n-1))%mod)%mod; //乘的东西代表的分别是xyyyy和x1111
        else ans=(ans+1ll*f[i]*n%mod)%mod;
    }
    printf("%d\n",ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:41: error: 'min' was not declared in this scope; did you mean 'main'?
   15 |         if(i!=n-1) ans=(ans+1ll*f[i]*(m+min(i+2,n-1))%mod)%mod; //乘的东西代表的分别是xyyyy和x1111
      |                                         ^~~
      |                                         main
Language: C++

#include <bits/stdc++.h>
using namespace std;
long long n,f[1000010],add,i;
int main()
{
    scanf("%d",&n);
    f[n]=n;
    f[n-1]=pow(n,2)%1000000007;
    for(i=n-2;i>2;--i)
        add=(add+f[i+3])%1000000007,f[i]=f[i+1],f[i]=(f[i]+pow((n-1),2)%1000000007)%1000000007,f[i]=(f[i]+add)%mod,f[i]=(f[i]+i+1)%1000000007;
        f[i]=(f[i]+pow((n-1),2))%1000000007)%1000000007;
        f[i]=(f[i]+i+1)%1000000007;
    }
    cout<<f[1]<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:20: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'int' to binary 'operator%'
    8 |     f[n-1]=pow(n,2)%1000000007;
      |            ~~~~~~~~^~~~~~~~~~~
      |               |     |
      |               |     int
      |               __gnu_cxx::__promote<double>::__type {aka double}
a.cc:10:72: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'int' to binary 'operator%'
   10 |         add=(add+f[i+3])%1000000007,f[i]=f[i+1],f[i]=(f[i]+pow((n-1),2)%1000000007)%1000000007,f[i]=(f[i]+add)%mod,f[i]=(f[i]+i+1)%1000000007;
      |                                                            ~~~~~~~~~~~~^~~~~~~~~~~
      |                                                               |         |
      |                                                               |         int
      |                                                               __gnu_cxx::__promote<double>::__type {aka double}
a.cc:10:112: error: 'mod' was not declared in this scope; did you mean 'modf'?
   10 |         add=(add+f[i+3])%1000000007,f[i]=f[i+1],f[i]=(f[i]+pow((n-1),2)%1000000007)%1000000007,f[i]=(f[i]+add)%mod,f[i]=(f[i]+i+1)%1000000007;
      |                                                                                                                ^~~
      |                                                                                                                modf
a.cc:11:33: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'int' to binary 'operator%'
   11 |         f[i]=(f[i]+pow((n-1),2))%1000000007)%1000000007;
      |              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
      |                   |              |
      |                   |              int
      |                   __gnu_cxx::__promote<double>::__type {aka double}
a.cc: At global scope:
a.cc:14:5: error: 'cout' does not name a type
   14 |     cout<<f[1]<<endl;
      |     ^~~~
a.cc:15:1: error: expected declaration before '}' token
   15 | }
      | ^
Language: C++

#include <bits/stdc++.h>
int n,f[1000001],add;
int main(){
    scanf("%d",&n);f[n]=n;f[n-1]=(long long)n*n%mod;
    for(register int i=n-2;i>=1;--i){
        add=(add+f[i+3])%1000000007;
        f[i]=f[i+1];
        f[i]=(f[i]+(long long)(n-1)*(n-1)%1000000007)%1000000007;
        f[i]=(f[i]+add)%1000000007;
        f[i]=(f[i]+i+1)%1000000007;
    }
    printf("%d\n",f[1]);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:49: error: 'mod' was not declared in this scope; did you mean 'modf'?
    4 |     scanf("%d",&n);f[n]=n;f[n-1]=(long long)n*n%mod;
      |                                                 ^~~
      |                                                 modf
a.cc:5:22: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
    5 |     for(register int i=n-2;i>=1;--i){
      |                      ^
Language: C++

#include<cstdio>
#include<cstring>
#include<algorithm>
#define MN 1000005
#define mod 1000000007
using namespace std;
inline int in(){
    int x=0;bool f=0; char c;
    for (;(c=getchar())<'0'||c>'9';f=c=='-');
    for (x=c-'0';(c=getchar())>='0'&&c<='9';x=(x<<3)+(x<<1)+c-'0');
    return f?-x:x;
}
int f[MN],sum[MN<<1+10],n,res;
int main()
{
	n=in();f[n+1]=1;
	for (int i=(n<<1)+10;i>n;--i) sum[i]=(sum[i+1]+1)%mod;
	for (int i=n;i;--i){
		f[i]=(sum[i+3]+mod-sum[i+n+2])%mod;
		f[i]=(f[i]+f[i+1])%mod;
		if (i!=n) f[i]=(f[i]+(1ll*(n-1)*(n+mod-1)))%mod;
		sum[i]=(sum[i+1]+f[i])%mod; 
	}printf("%d",f[1]);return 0;
}

Compiler output:
/tmp/ccemiObS.o: in function `main':
a.cc:(.text+0xf): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
a.cc:(.text+0x15): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
a.cc:(.text+0x36): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
a.cc:(.text+0xa1): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
a.cc:(.text+0xac): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
a.cc:(.text+0xda): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
a.cc:(.text+0x1a7): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
a.cc:(.text+0x1d0): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
a.cc:(.text+0x1dc): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccemiObS.o
collect2: error: ld returned 1 exit status
Language: C++

#pragma GCC optimize(3)
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
bool Finish_read;
template<class T>inline void read(T &x){Finish_read=0;x=0;int f=1;char ch=getchar();while(!isdigit(ch)){if(ch=='-')f=-1;if(ch==EOF)return;ch=getchar();}while(isdigit(ch))x=x*10+ch-'0',ch=getchar();x*=f;Finish_read=1;}
template<class T>inline void print(T x){if(x/10!=0)print(x/10);putchar(x%10+'0');}
template<class T>inline void writeln(T x){if(x<0)putchar('-');x=abs(x);print(x);putchar('\n');}
template<class T>inline void write(T x){if(x<0)putchar('-');x=abs(x);print(x);}
/*================Header Template==============*/
const int maxn=1000010;
const ll mod=1e9+7;
int n;
ll pre=1,tmp,f[maxn];
int main() {
	read(n);
	tmp=1LL*n*(n-1)%mod;
	f[1]=n;
	f[2]=1LL*n*n%mod;
	for(int i=3;i<=n;i++) {
		f[i]=(f[i-1]+pre+tmp-(i-2))%mod;
		(pre+=f[i-2])%=mod;
	}
	writeln(f[n]%mod);2
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:28: error: expected ';' before 'return'
   24 |         writeln(f[n]%mod);2
      |                            ^
      |                            ;
   25 |         return 0;
      |         ~~~~~~
Language: C++

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <stack>
#include <queue>
#include <set>
#include <map>
using namespace std;
typedef __int64 LL;
typedef vector<int> ivec;
typedef vector<string> svec;

int a[100010];
int dp2[100010],dp1[100010];
int main(){
const int mod=1000000007;
	int n;
	int ans=0;
	LL a=1,b;
	cin>>n;	
	//dp[1]=1,dp[1]=0;
	for(int i=2;i<n;i++)a*=2,a=a%mod;
        cout<<(a*n*n-(a-1)*n)%mod<<endl;
	return 0;
}

Compiler output:
a.cc:13:9: error: '__int64' does not name a type; did you mean '__int64_t'?
   13 | typedef __int64 LL;
      |         ^~~~~~~
      |         __int64_t
a.cc: In function 'int main()':
a.cc:23:9: error: 'LL' was not declared in this scope
   23 |         LL a=1,b;
      |         ^~
a.cc:26:30: error: invalid operands of types 'int [100010]' and 'int' to binary 'operator*'
   26 |         for(int i=2;i<n;i++)a*=2,a=a%mod;
      |                             ~^~~
a.cc:26:30: note:   in evaluation of 'operator*=(int [100010], int)'
a.cc:26:37: error: invalid operands of types 'int [100010]' and 'const int' to binary 'operator%'
   26 |         for(int i=2;i<n;i++)a*=2,a=a%mod;
      |                                    ~^~~~
      |                                    | |
      |                                    | const int
      |                                    int [100010]
a.cc:27:17: error: invalid operands of types 'int [100010]' and 'int' to binary 'operator*'
   27 |         cout<<(a*n*n-(a-1)*n)%mod<<endl;
      |                ~^~
      |                | |
      |                | int
      |                int [100010]
a.cc:27:27: error: invalid operands of types 'int*' and 'int' to binary 'operator*'
   27 |         cout<<(a*n*n-(a-1)*n)%mod<<endl;
      |                      ~~~~~^~
      |                        |   |
      |                        |   int
      |                        int*
Language: C++

n = int(raw_input())
d = [n] * n
t = n
for i in xrange(1, n):
	d[i] = t
	t += d[i]

print t % 1000000007

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

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <stack>
#include <queue>
#include <set>
#include <map>
using namespace std;
//typedef __int64 LL;
typedef vector<int> ivec;
typedef vector<string> svec;

int a[100010];
int dp2[100010],dp1[100010];
int main(){
const int mod=1000000007;
	int n;
	int ans=0;
	int a=1,b;
	cin>>n;	
	dp[1]=1,dp[1]=0;
	for(int i=1;i<n;i++)a*=2,a=a%mod;
        b=(n-1)*(n-2)/2;
	cout<<(a*n*n-b*n)%mod<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:9: error: 'dp' was not declared in this scope; did you mean 'dp2'?
   25 |         dp[1]=1,dp[1]=0;
      |         ^~
      |         dp2
Language: C++

typedef long long int64;
static const int MAXN = 1e6 + 4;
static const int MODULUS = 1e9 + 7;
#define _  %  MODULUS
#define __ %= MODULUS

int n;
int64 f[MAXN] = { 0 };

int main()
{
    scanf("%d", &n);

    f[0] = 1;
    f[1] = n;
    f[2] = (int64)n * n _;
    int64 sum = (f[0] + f[1] + f[2])_;
    for (int i = 3; i <= n; ++i) {
        (f[i] += sum - f[i - 2])__;
        (f[i] += (int64)(n - i + 1) * n + (int64)(n - 1) * (i - 2))__;
        (sum += f[i])__;
    }

    //for (int i = 0; i <= n; ++i) printf("%lld%c", f[i], i == n ? '\n' : ' ');
    printf("%lld\n", f[n]);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: 'scanf' was not declared in this scope
   12 |     scanf("%d", &n);
      |     ^~~~~
a.cc:25:5: error: 'printf' was not declared in this scope
   25 |     printf("%lld\n", f[n]);
      |     ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | typedef long long int64;
Language: C++

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

int main(){
int N;
  cin >> N;
  int a[N];
for(int i=0;i<N;i++){
 cin >> a[i];
}
sort(a,a+N);
int sum=0;
  for(int i=N/3;i<N;i++++){
   sum+=a[i];
 }
  cout << sum << endl;
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:22: error: lvalue required as increment operand
   13 |   for(int i=N/3;i<N;i++++){
      |                     ~^~
Language: C++

#include<iostream>
#include<algorithm>
#include<string>
#include<cmath>
using namespace std;
int main() {
    int N;
    int a[100010];
    long int max = 0;
    for(int i = 0; i < 3*N; i++) 
        cin >> a[i];
    sort(a, a+3N,greater<int>());
    for(int i = 0; i < N; i++)
        max = a[2*i + 1];
    cout << max << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:15: error: unable to find numeric literal operator 'operator""N'
   12 |     sort(a, a+3N,greater<int>());
      |               ^~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
/*using P = pair<ll,ll>;
//マクロ
//forループ関係
//引数は、(ループ内変数,動く範囲)か(ループ内変数,始めの数,終わりの数)、のどちらか
//Dがついてないものはループ変数は1ずつインクリメントされ、Dがついてるものはループ変数は1ずつデクリメントされる
#define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++)
//xにはvectorなどのコンテナ
#define ALL(x) (x).begin(),(x).end() //sortなどの引数を省略したい
#define SIZE(x) ((ll)(x).size()) //sizeをsize_tからllに直しておく
#define MAX(x) *max_element(ALL(x)) //最大値を求める
#define MIN(x) *min_element(ALL(x)) //最小値を求める
//定数
#define INF 1000000000000 //10^12:極めて大きい値,∞
#define inf 2147483647 //int値の最大値
#define MOD 1000000007 //10^9+7:合同式の法
#define MAXR 100000 //10^5:配列の最大のrange(素数列挙などで使用)
//略記
#define PB push_back //vectorヘの挿入
#define MP make_pair //pairのコンストラクタ
#define F first //pairの一つ目の要素
#define S second //pairの二つ目の要素
#define CST(x) cout<<fixed<<setprecision(x)//小数点以下の桁数指定
template<class T> inline bool chmin(T& a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T& a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
int gcd(int a, int b) {
    if (b==0) return a;
    else return gcd(b, a%b);
}
int lcm(int a, int b) {
    return a * b / gcd(a, b);
}
int two(int n){
	ll ans=1;
	rep(i,n){
		ans*=2;
	}
	return ans;
}
*/

   


int main() {
	cin.tie(0);
	cout.tie(0);
	ios::sync_with_stdio(false);
    
    ll n;
    vector<int>a(n*3);

    cin>>n;
    rep(i,3*n)cin>>a[i];
    
    ll sum=0;
    
    sort(ALL(a));
    reverse(ALL(a));
    

  for(int i=1;i<2*n;i+=2){
        sum+=a[i];
        

    }
    cout<<sum<<endl;
    


    
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:73:10: error: 'ALL' was not declared in this scope
   73 |     sort(ALL(a));
      |          ^~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main(){
  	int N;
  	cin >> N;
  	vector<int> a;
  	for(int i=0;i<3*N;i++) cin >> a[i];
  	sort(a.begin(), a.end(), grater<int>());
  	int sum = 0;
  	for(int i=0;i<2*N;i++){
      	if(i%2 == 1) sum += a[i];
    }
  	cout << a[i] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:34: error: 'grater' was not declared in this scope
   12 |         sort(a.begin(), a.end(), grater<int>());
      |                                  ^~~~~~
a.cc:12:41: error: expected primary-expression before 'int'
   12 |         sort(a.begin(), a.end(), grater<int>());
      |                                         ^~~
a.cc:17:19: error: 'i' was not declared in this scope
   17 |         cout << a[i] << endl;
      |                   ^
Language: C++

#include<btis/stdc++.h>
using namespace std;
#define int int64_t
signed main(){
  int n;
  cin>>n;
  vector<int> x(n*3);
  arep(i,x) cin>>i;
  sort(all(x),greater<int>());
  int ans = 0;
  for(int i=n;i<n+n;++i) ans += x[i];
  cout<<ans<<'\n';
  return 0;
}

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

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

int main()
{
    int n;
    cin >> n;
    int a[3*n];

    for(int i=0; i<3*n; i++){
        cin >> a[i];
    }

    sort(a, a+(3*n);

    long long ans = 0;

    for(int i=(3*n-2); i>=n; i-=2){
        ans += a[i];
    }

    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:20: error: expected ')' before ';' token
   14 |     sort(a, a+(3*n);
      |         ~          ^
      |                    )
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  vector<int> arr(3*N);
  for(int i=0;i<3*n;i++){
      cin >>arr.at(i);
  }
  sort(arr.begin(),arr.end());
  reverse(arr.begin(),arr.end());
  int64_t sum=0;
  for(int i=1;i<2*n;i+=2){
    sum+=arr.at(i);
  }
  cout<<sum;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:21: error: 'N' was not declared in this scope
    6 |   vector<int> arr(3*N);
      |                     ^