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

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

#define int long long
#define rep(i,n) for(int i=0;i<(n);i++)

const int mod = 1e9+7;

int n,m;
int x[1000100],y[1000100];

int powmod(int n,int p,int m){
  if(p==0)return 1;
  if(p%2==0){
    int t=powmod(n,p/2,m);
    return t*t%m;
  }
  return n*powmod(n,p-1,m);
}
int ans;
int memo[30000000000];
int memo2[30000000000];
signed main(){
  cin>>n>>m;
  rep(i,n){
    cin>>x[i];
  }
  rep(i,m){
    cin>>y[i];
  }

  int tmp=0;
  int tmp2=0;

  for(int i=0;i<n-1;i++){
    for(int j=i+1;j<n;j++){

      memo[tmp++]=(x[j]-x[i])%mod;

    }
  }

  for(int k=0;k<m-1;k++){
    for(int l=k+1;l<m;l++){
      memo2[tmp2++]=(y[l]-y[k])%mod;
    }
  }

  for(int i=0;i<tmp;i++){
    for(int j=0;j<tmp2;j++){
      ans+=(memo[i]*memo2[j])%mod;
    }
  }
  cout<<ans%mod<<endl;

}


Compiler output:
/tmp/ccDhenxs.o: in function `main':
a.cc:(.text+0x2c4): relocation truncated to fit: R_X86_64_PC32 against symbol `memo2' defined in .bss section in /tmp/ccDhenxs.o
a.cc:(.text+0x339): relocation truncated to fit: R_X86_64_PC32 against symbol `memo2' defined in .bss section in /tmp/ccDhenxs.o
collect2: error: ld returned 1 exit status
Language: C++

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

#define int long long
#define rep(i,n) for(int i=0;i<(n);i++)

const int mod = 1e9+7;

int n,m;
int x[1000100],y[1000100];

int powmod(int n,int p,int m){
  if(p==0)return 1;
  if(p%2==0){
    int t=powmod(n,p/2,m);
    return t*t%m;
  }
  return n*powmod(n,p-1,m);
}
int ans;
int memo[300000000000];
int memo2[300000000000];
signed main(){
  cin>>n>>m;
  rep(i,n){
    cin>>x[i];
  }
  rep(i,m){
    cin>>y[i];
  }

  int tmp=0;
  int tmp2=0;

  for(int i=0;i<n-1;i++){
    for(int j=i+1;j<n;j++){

      memo[tmp++]=(x[j]-x[i])%mod;

    }
  }

  for(int k=0;k<m-1;k++){
    for(int l=k+1;l<m;l++){
      memo2[tmp2++]=(y[l]-y[k])%mod;
    }
  }

  for(int i=0;i<tmp;i++){
    for(int j=0;j<tmp2;j++){
      ans+=(memo[i]*memo2[j])%mod;
    }
  }
  cout<<ans%mod<<endl;

}


Compiler output:
/tmp/ccqazpbp.o: in function `main':
a.cc:(.text+0x2c4): relocation truncated to fit: R_X86_64_PC32 against symbol `memo2' defined in .bss section in /tmp/ccqazpbp.o
a.cc:(.text+0x339): relocation truncated to fit: R_X86_64_PC32 against symbol `memo2' defined in .bss section in /tmp/ccqazpbp.o
collect2: error: ld returned 1 exit status
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define REP(i,b) FOR(i,0,b)
#define INF 1e9

using ll = long long;
const ll mod = LLONG_MAX;

int main(){
  int n,m;
  long long x[100010],y[100010],sum;

  cin>>n>>m

  REP(i,n) {
    cin>>x[i];
  }
  
  REP(i,m) {
    cin>>y[i];
  }
  
  //小さな長方形の面積とその長方形の登場回数をかけた

  REP(i,n){
    REP(k,m){
      sum += (x[i+1]-x[i])*(y[k+1]-y[k])*(i+1)*(n-i+1)*(k+1)*(m-k+1);
    }
  }

  cout<<sum;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: expected ';' before 'for'
   14 |   cin>>n>>m
      |            ^
      |            ;
a.cc:16:7: error: 'i' was not declared in this scope
   16 |   REP(i,n) {
      |       ^
a.cc:3:32: note: in definition of macro 'FOR'
    3 | #define FOR(i,a,b) for(int i=a;i<b;i++)
      |                                ^
a.cc:16:3: note: in expansion of macro 'REP'
   16 |   REP(i,n) {
      |   ^~~
Language: Java

import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        BigInteger CONST = new BigInteger("0");
        CONST = CONST.add(BigInteger.valueOf((long)Math.pow(10, 9) + 7));

        int n = sc.nextInt();
        int m = sc.nextInt();

        List<Integer> xList = new ArrayList<>();
        List<Integer> yList = new ArrayList<>();

        for (int i = 0; i < n; i++) {
            xList.add(sc.nextInt());
        }
        for (int i = 0; i < m; i++) {
            yList.add(sc.nextInt());
        }

        BigInteger ans = new BigInteger("0");
        for (int i = 0; i < n; i++) {
            for (int j = i+1; j < n; j++) {

                for (int k = 0; k < m; k++) {
                    for (int l = k+1; l < m; l++) {
                        long ver = getDistance(yList.get(k), yList.get(l));
                        long sid = getDistance(xList.get(j), xList.get(i));
                        ans = ans.add(BigInteger.valueOf(ver*sid));
                        ans = ans.remainder(CONST);
                    }
                }
            }
        }

        System.out.println(ans);
    }

    public static long getDistance(int p1, int p2) {
        double distance = Math.sqrt(Math.pow(p1-p2, 2));
        return (long)distance;
    }

Compiler output:
Main.java:47: error: reached end of file while parsing
    }
     ^
1 error
Language: C++

#include<cstdio>
#include<cmath>
#include<conio.h>
using namespace std;
#define MOD 1000000007
int n,m;
long long  x,y;
long long dx[50005],dy[50005];
int main(){
	scanf("%d%d",&n,&m);
	for(int i=0;i<n;i++){
		scanf("%lld",&dx[i]);
	}
	for(int i=0;i<m;i++){
		scanf("%lld",&dy[i]);
	}
	for(int i=0;i<n;i++){
		for(int j=i;j<n;j++){
			x=(x+abs(dx[i]-dx[j]))%MOD;
		}
	}
	for (int i = 0; i<m; i++) {
		for (int j = i; j<m; j++) {
			y = (y + abs(dy[i] - dy[j]))%MOD;
		}
	}
	printf("%lld\n",(x*y)%MOD);
	getch();
	return 0;
}

Compiler output:
a.cc:3:9: fatal error: conio.h: No such file or directory
    3 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

/*
2 次元平面上に x 軸と平行な直線が m 本と y 軸と平行な直線が n 本引いてあります。 x 軸と平行な直線のうち下から i 番目は y=yi で表せます。 y 軸と平行な直線のうち左から i 番目は x=xi で表せます。
この中に存在しているすべての長方形についてその面積を求め、 合計を 109+7 で割ったあまりを出力してください。
つまり、1≤i<j≤n と 1≤k<l≤m を満たすすべての組 (i,j,k,l) について、 直線 x=xi, x=xj, y=yk, y=yl で囲まれる 長方形の面積を求め、合計を 109+7 で割ったあまりを出力してください。
制約
2≤n,m≤105
−109≤x1<…<xn≤109
−109≤y1<…<ym≤109
xi,yi は整数である。

入力
入力は以下の形式で標準入力から与えられる。
n m
x1 x2 … xn
y1 y2 … ym
出力
長方形の面積の合計を 109+7 で割ったあまりを 1 行に出力せよ。
*/

#include<stdio.h>
int main()
{
int m,n,k;
int x[105],y[105];
scanf("%d %d",&n,&m);
for(k=0;k<n,k++)
scanf("%d",&x[k]);
for(k=0;k<m,k++)
scanf("%d",&y[k]);
int sum=0;
int a,b,c,d;
for(a=0;a<n-1;a++)
for(b=a+1;b<n,b++)
for(c=0;c<m-1;c++)
for(d=c+1;d<m;d++)
sum=(b-a)*(c-d);
printf("%d",sum/1000000007);

return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:16: error: expected ';' before ')' token
   26 | for(k=0;k<n,k++)
      |                ^
      |                ;
a.cc:28:16: error: expected ';' before ')' token
   28 | for(k=0;k<m,k++)
      |                ^
      |                ;
a.cc:33:18: error: expected ';' before ')' token
   33 | for(b=a+1;b<n,b++)
      |                  ^
      |                  ;
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
string S, T, B = "~";
bool isOK(string A1, string A2) {
	for (int i = 0; i < A1.size(); i++) {
		if (A1[i] != '?' && A1[i] != A2[i])return false;
	}
	return true;
}
int main() {
	cin >> S >> T;
	for (int i = 0; i <= (int)S.size() - (int)T.size(); i++) {
		string U = S.substr(i, T.size());
		if (isOK(U, T) == true) {
			string V = S;
			for (int j = i; j < i + T.size(); j++)V[j] = T[j - i];
			for (int j = 0; j < i; j++) { if (V[j] == '?')V[j] = 'a'; }
			for (int j = i + T.size(); j < V.size(); j++) { if (V[j] == '?')V[j] = 'a'; }
			B = min(B, V);
		}
	}
	if (B == "~")cout << "UNRESTORABLE" << endl;
	else cout << B << endl;
	return 0;
}



#include <iostream>
#include <fstream>
#include <cstdio>
#include <cmath>
#include <vector>
#include <cstring>
#include <string>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <algorithm>
using namespace std;
 
#define REP(i,n) for(int i=0; i<n; ++i)
#define FOR(i,a,b) for(int i=a; i<=b; ++i)
#define FORR(i,a,b) for (int i=a; i>=b; --i)
#define ALL(c) (c).begin(), (c).end()
 
typedef long long ll;
typedef vector<int> VI;
typedef vector<ll> VL;
typedef vector<VL> VVL;
typedef vector<VI> VVI;
typedef pair<int,int> P;
typedef pair<ll,ll> PL;
 
int main() {
    string s, t;
    cin >> s >> t;
    int n = s.length(), m = t.length();
 
    string ans;
    REP(i,n-m+1){
        bool ok = true;
        REP(j,m){
            if (s[i+j] != '?' && s[i+j] != t[j]) ok = false;
        }
        // cout << i << ok << endl;
        if (ok){
            string tmp = s;
            REP(j,m) tmp[i+j] = t[j];
            REP(i,n) if (tmp[i] == '?') tmp[i] = 'a';
            if (ans.empty()) ans = tmp;
            else ans = min(ans, tmp);
        }
    }
 
    cout << (ans.empty() ? "UNRESTORABLE" : ans) << endl;
    return 0;
}

Compiler output:
a.cc:59:5: error: redefinition of 'int main()'
   59 | int main() {
      |     ^~~~
a.cc:12:5: note: 'int main()' previously defined here
   12 | int main() {
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
const ll mod=1000000007;
const int MAX_N = 1000;         // n の最大値
 
// nCk を取得
double nCk(int n, int k) {
double res=1.0;
for(int i=0; i<n; i++){
res*=0.5;}
for(int i=0; i<k; i++){
res*=(double)(n-i);
res/=(double)(k-i);
}
return res;}
 
int main() {
ll n;
cin>>n;
string s[n]={};
for(ll i=0; i<n; i++){
cin>>s[i];}
ll a[30]={};
ll b[30]={};
for(ll i=0; i<30; i++){
b[i]=100;}
for(ll i=0; i<n; i++){
ll q=s[i].size();
while(q>=0){
ll w=s[i].at(q-1)-'a'+1;
a[w]++;
q--;}
for(ll k=0; k<30; k++){
b[k]=min(a[k];b[k]);}
}
for(ll i=0; i<30; i++){
while(b[k]>0){
char h='a'+k;
cout<<b;
b[k]--;}}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:14: error: expected ')' before ';' token
   36 | b[k]=min(a[k];b[k]);}
      |         ~    ^
      |              )
a.cc:36:19: error: expected ';' before ')' token
   36 | b[k]=min(a[k];b[k]);}
      |                   ^
      |                   ;
a.cc:39:9: error: 'k' was not declared in this scope
   39 | while(b[k]>0){
      |         ^
a.cc:42:10: error: expected '}' at end of input
   42 | b[k]--;}}
      |          ^
a.cc:19:12: note: to match this '{'
   19 | int main() {
      |            ^
Language: C++

n=int(input())
it=[input() for i in range(n)]
s="abcdefghijklmnopqrstuvwxyz"
ss={}
j=0
for i in s:
    ss[i]=j
    j+=1
st=[0 for i in range(26)]
for i in it[0]:
    st[ss[i]]+=1
for i in range(1,n):
    aa={}
    for j in it[i]:
        try:
            aa[j]+=1
        except:
            aa[j]=1
    k=[0]*26
    for i in aa:
        k[ss[i]]=aa[i]
    for i in range(26):
        st[i]=min(st[i],k[i])
for i in range(26):
    print(s[i]*st[i],end="")

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n=int(input())
      | ^
a.cc:5:1: error: 'j' does not name a type
    5 | j=0
      | ^
a.cc:14:5: error: expected unqualified-id before 'for'
   14 |     for j in it[i]:
      |     ^~~
Language: Java


import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Scanner;
import java.util.TreeMap;

//@Slf4j
public class test1 {

  public static void main(String[] args) {
    // TODO 自動生成されたメソッド・スタブ
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    // System.out.println(first);
    TreeMap<Integer, TreeMap<String, Integer>> stringMapMap = new TreeMap<>();
    for (int i = 0; i < n; i++) {
      TreeMap<String, Integer> stringMap = createStringTreeMap();
      stringMapMap.put(i, stringMap);
    }
//    log.info("finish reading");
    HashMap<String, List<Integer>> strListMap = new HashMap<>();
    for (TreeMap<String, Integer> stringMap : stringMapMap.values()) {
      for (String s : stringMap.keySet()) {
        if (strListMap.get(s) == null) {
          List<Integer> strList = new ArrayList<>();
          strList.add(stringMap.get(s));
          strListMap.put(s, strList);
        } else {
          strListMap.get(s).add(stringMap.get(s));
        }
      }
    } ;
    int ab = 0;
    strListMap.entrySet().stream().filter((entry) -> entry.getValue().size() == n)
        .forEach(entry -> {
//          System.out.println(entry.getKey() + " : " + Collections.min(entry.getValue()));

          int repeatNum = Collections.min(entry.getValue());
           for(int i = 0; i < repeatNum ; i++) {
             System.out.print(entry.getKey());
           }
        });
    // stringMapMap.entrySet().stream().



  }

  private static TreeMap<String, Integer> createStringTreeMap() {
    TreeMap<String, Integer> stringMap = new TreeMap<>();
    Scanner sc = new Scanner(System.in);
    String Si = sc.next();
    for (char c : Si.toLowerCase().toCharArray()) {
      String s = String.valueOf(c);
      if (stringMap.containsKey(s)) {
        stringMap.put(s, stringMap.get(s) + 1);
      } else {
        stringMap.put(s, 1);

      }
    }
    return stringMap;
  }

}


Compiler output:
Main.java:10: error: class test1 is public, should be declared in a file named test1.java
public class test1 {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
#define Maxn 100
#define rint register int
using namespace std;

int read() {
  rint s = 0, f = 1; register char ch = getchar();
  while (!isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); }
  while (isdigit(ch)) { s = s * 10 + ch - '0'; ch = getchar(); }
  return s * f;
}

int n;
char s[Maxn];
int cnt[Maxn][30], ans[Maxn << 3], tot = 0;

void input() {
  n = read();
  for (rint i = 1; i <= n; ++i) {
  	gets(s + 1);
		int len = strlen(s + 1);
		for (rint j = 1; j <= len; ++j) ++cnt[i][s[j] - 'a']; 
	}
} 

namespace Solution {
  void solve() {
  	for (rint i = 0; i < 26; ++i) {
  	  rint mn = 0x3f3f3f3f;
  	  for (rint j = 1; j <= n; ++j) mn = min(mn, cnt[j][i]);
  	  for (rint j = 1; j <= mn; ++j) ans[++tot] = i + 'a';
	  }
	  for (rint i = 1; i <= tot; ++i) putchar(ans[i]);
	  puts("");
	}
}

signed main() {
  //freopen(".in", "r", stdin); freopen(".out", "w", stdout);
  input();
  Solution :: solve();
  return 0;
}

Compiler output:
a.cc: In function 'int read()':
a.cc:7:8: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
    7 |   rint s = 0, f = 1; register char ch = getchar();
      |        ^
a.cc:7:15: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
    7 |   rint s = 0, f = 1; register char ch = getchar();
      |               ^
a.cc:7:36: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
    7 |   rint s = 0, f = 1; register char ch = getchar();
      |                                    ^~
a.cc: In function 'void input()':
a.cc:19:13: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   19 |   for (rint i = 1; i <= n; ++i) {
      |             ^
a.cc:20:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   20 |         gets(s + 1);
      |         ^~~~
      |         getw
a.cc:22:27: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   22 |                 for (rint j = 1; j <= len; ++j) ++cnt[i][s[j] - 'a'];
      |                           ^
a.cc: In function 'void Solution::solve()':
a.cc:28:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   28 |         for (rint i = 0; i < 26; ++i) {
      |                   ^
a.cc:29:16: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   29 |           rint mn = 0x3f3f3f3f;
      |                ^~
a.cc:30:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   30 |           for (rint j = 1; j <= n; ++j) mn = min(mn, cnt[j][i]);
      |                     ^
a.cc:31:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   31 |           for (rint j = 1; j <= mn; ++j) ans[++tot] = i + 'a';
      |                     ^
a.cc:33:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   33 |           for (rint i = 1; i <= tot; ++i) putchar(ans[i]);
      |                     ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
#define Sort(a) sort(a.begin(),a.end())
 int wari(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
 }
 int souwa(int a){
  return a*(a+1)/2;
 }
 int lcm(int a,int b){
  int d=a,e=b,f;
  if(a<b)
    swap(a,b);
  int c,m=1;
  while(m){
    c=a%b;
    if(c==0){
       f=b;
      m--;
    }
    else{
      a=b;
      b=c;
 }
  }
  return d*e/f;
    }
  int gcm(int a,int b){
      int d=a,e=b,f;
  if(a<b)
    swap(a,b);
  int c,m=1;
  while(m){
    c=a%b;
    if(c==0){
       f=b;
      m--;
    }
    else{
      a=b;
      b=c;
 }
  }
  return f;
  }
signed main(){
  int a,o=26,p=0;
  cin>>a;
  vector<string> b(a);
  fo(i,a)
  cin>>b.at(i);
  string e;
  vector<int> c(26,1000000000),d(26,0);
  for(int i=0;i<a;i++){
    e=b.at(i);
    Sort(e);
    d(o,p);
    for(int j=0;j<e.size();j++){
      fo(k,26){
        if(e.at(j)-'a'==k){
          d.at(k)++;
          break;
        }
      }
    }
    fo(j,26)
      c.at(j)=min(c.at(j),d.at(j));
  }
  string s="";
  for(char i='a';i<='z';i+=0x1){
    fo(j,c.at(i-'a'))
    s+=i;
  }
  cout<<s<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:68:6: error: no match for call to '(std::vector<long long int>) (long long int&, long long int&)'
   68 |     d(o,p);
      |     ~^~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
#define Sort(a) sort(a.begin(),a.end())
 int wari(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
 }
 int souwa(int a){
  return a*(a+1)/2;
 }
 int lcm(int a,int b){
  int d=a,e=b,f;
  if(a<b)
    swap(a,b);
  int c,m=1;
  while(m){
    c=a%b;
    if(c==0){
       f=b;
      m--;
    }
    else{
      a=b;
      b=c;
 }
  }
  return d*e/f;
    }
  int gcm(int a,int b){
      int d=a,e=b,f;
  if(a<b)
    swap(a,b);
  int c,m=1;
  while(m){
    c=a%b;
    if(c==0){
       f=b;
      m--;
    }
    else{
      a=b;
      b=c;
 }
  }
  return f;
  }
signed main(){
  int a,o=26,p=0;
  cin>>a;
  vector<string> b(a);
  fo(i,a)
  cin>>b.at(i);
  string e;
  vector<int> c(26,1000000000),d(26,0);
  for(int i=0;i<a;i++){
    e=b.at(i);
    Sort(e);
    d(o,p);
    for(int j=0;j<e.size();j++){
      fo(k,26){
        if(e.at(j)-'a'==k){
          d.at(k)++;
          break;
        }
      }
    }
    fo(j,26)
      c.at(j)=min(c.at(j),d.at(j));
  }
  string s="";
  for(char i='a';i<='z';i+=0x1){
    fo(j,c.at(i-'a'))
    s+=i;
  }
  cout<<s<<endl;


Compiler output:
a.cc: In function 'int main()':
a.cc:68:6: error: no match for call to '(std::vector<long long int>) (long long int&, long long int&)'
   68 |     d(o,p);
      |     ~^~~~~
a.cc:85:17: error: expected '}' at end of input
   85 |   cout<<s<<endl;
      |                 ^
a.cc:57:14: note: to match this '{'
   57 | signed main(){
      |              ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
#define Sort(a) sort(a.begin(),a.end())
 int wari(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
 }
 int souwa(int a){
  return a*(a+1)/2;
 }
 int lcm(int a,int b){
  int d=a,e=b,f;
  if(a<b)
    swap(a,b);
  int c,m=1;
  while(m){
    c=a%b;
    if(c==0){
       f=b;
      m--;
    }
    else{
      a=b;
      b=c;
 }
  }
  return d*e/f;
    }
  int gcm(int a,int b){
      int d=a,e=b,f;
  if(a<b)
    swap(a,b);
  int c,m=1;
  while(m){
    c=a%b;
    if(c==0){
       f=b;
      m--;
    }
    else{
      a=b;
      b=c;
 }
  }
  return f;
  }
signed main(){
  int a;
  cin>>a;
  vector<string> b(a);
  fo(i,a)
  cin>>b.at(i);
  string e;
  vector<int> c(26,1000000000),d(26,0);
  for(int i=0;i<a;i++){
    e=b.at(i);
    Sort(e);
    d(26,0);
    for(int j=0;j<e.size();j++){
      fo(k,26){
        if(e.at(j)-'a'==k){
          d.at(k)++;
          break;
        }
      }
    }
    fo(j,26)
      c.at(j)=min(c.at(j),d.at(j));
  }
  string s="";
  for(char i='a';i<='z';i+=0x1){
    fo(j,c.at(i-'a'))
    s+=i;
  }
  cout<<s<<endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:68:6: error: no match for call to '(std::vector<long long int>) (int, int)'
   68 |     d(26,0);
      |     ~^~~~~~
a.cc:85:17: error: expected '}' at end of input
   85 |   cout<<s<<endl;
      |                 ^
a.cc:57:14: note: to match this '{'
   57 | signed main(){
      |              ^
Language: C++

using namespace std;

int main() {
  int n;
  cin>>n;
  string S[50];
  for (int i(0);i<n;i++)cin>>S[i];
  int ans[30]={0};
  for (int i(0);i<30;i++)ans[i]=10000;
  for (int i(0);i<n;i++){
    int list[30]={0};
    for (int j(0);j<S[i].size();j++){
      list[S[i][j]-'a']+=1;
    }
    for (int j(0);j<30;j++){
      ans[j]=min(ans[j],list[j]);
    }
  }
  for (int i(0);i<30;i++){
    for (int j(0);j<ans[i];j++){
      cout << (char)('a'+i);
    }
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin>>n;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:6:3: error: 'string' was not declared in this scope
    6 |   string S[50];
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | using namespace std;
a.cc:7:30: error: 'S' was not declared in this scope
    7 |   for (int i(0);i<n;i++)cin>>S[i];
      |                              ^
a.cc:12:21: error: 'S' was not declared in this scope
   12 |     for (int j(0);j<S[i].size();j++){
      |                     ^
a.cc:16:14: error: 'min' was not declared in this scope; did you mean 'main'?
   16 |       ans[j]=min(ans[j],list[j]);
      |              ^~~
      |              main
a.cc:21:7: error: 'cout' was not declared in this scope
   21 |       cout << (char)('a'+i);
      |       ^~~~
a.cc:21:7: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <iostream>
#include <vector>
#include <functional>
#include <algorithm>
#include <string>
#include <map>
#include <cmath>

using namespace std;

int main()
{
    vector<int> mincnt(26, 100);

    int n;
    cin >> n;

    string s;
    for (int i = 0; i < n;i++)
    {
        cin >> s;
        vector<int> cnt(26, 0);
        for (int j = 0; j < s.length();j++)
        {
            cnt[s[j] - 'a']++;
        }
        for (int i = 0; i < 26;i++)
        {
            mincnt[i] = min(mincnt[i], cnt[i]);
        }
    }

    for (int i = 0; i < 26;i++)
    {
        for (int j = 0; j < mincnt[i];j++)
        {
            cout << char(ifstream + 'a');
        }
    }

    cout << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:21: error: expected primary-expression before 'char'
   37 |             cout << char(ifstream + 'a');
      |                     ^~~~
Language: C++

#include <vector>
#include <string>
#include <algorithm>

using namespace std;

int main(){
  int n;
  cin >> n;

  vector<vector<char>> s;
  s = vector<vector<char>>(n);

  string temp;
  for(int i=0; i<n; ++i){
    cin >> temp;
    for(int j=0; j<temp.size(); ++j){
      s[i].push_back(temp[j]);
    }
  }

  for(int i=1; i<n; ++i){
    for(int j=0; j<s[0].size(); ++j){
      int moto = count(s[0].begin(), s[0].end(), s[0][j]);
      int saki = count(s[i].begin(), s[i].end(), s[0][j]);

      if(moto == saki){
        
      }else if(saki < moto){
        int era = moto - saki;
        char e = s[0][j];
        for(int k=0; k<era; ++k){
          vector<char>::iterator it = find(s[0].begin(), s[0].end(), e);
          s[0].erase(it);
        }
      }
    }
  }

  sort(s[0].begin(), s[0].end());

  string out="";
  for(int i=0;i<s[0].size();++i){
    out += s[0][i];
  }

  cout << out << endl;
        return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'cin' was not declared in this scope
    9 |   cin >> n;
      |   ^~~
a.cc:4:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    3 | #include <algorithm>
  +++ |+#include <iostream>
    4 | 
a.cc:47:3: error: 'cout' was not declared in this scope
   47 |   cout << out << endl;
      |   ^~~~
a.cc:47:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:47:18: error: 'endl' was not declared in this scope
   47 |   cout << out << endl;
      |                  ^~~~
a.cc:4:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    3 | #include <algorithm>
  +++ |+#include <ostream>
    4 |
Language: C++

#include <iostream>
#include <vector>
#include <string>

using namespace std;

int main(){
  int n;
  cin >> n;

  vector<vector<char>> s;
  s = vector<vector<char>>(n);

  string temp;
  for(int i=0; i<n; ++i){
    cin >> temp;
    for(int j=0; j<temp.size(); ++j){
      s[i].push_back(temp[j]);
    }
  }

  for(int i=1; i<n; ++i){
    for(int j=0; j<s[0].size(); ++j){
      int moto = count(s[0].begin(), s[0].end(), s[0][j]);
      int saki = count(s[i].begin(), s[i].end(), s[0][j]);

      if(moto == saki){
        
      }else if(saki < moto){
        int era = moto - saki;
        for(int k=0; k<era; ++k){
          vector<char>::iterator it = find(s[0].begin(), s[0].end(), s[0][j]);
          s[0].erase(it);
        }
      }
    }
  }

  sort(s[0].begin(), s[0].end());

  string out="";
  for(int i=0;i<s[0].size();++i){
    out += s[0][i];
  }

  cout << out << endl;
        return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:18: error: 'count' was not declared in this scope
   24 |       int moto = count(s[0].begin(), s[0].end(), s[0][j]);
      |                  ^~~~~
a.cc:32:43: error: no matching function for call to 'find(std::vector<char>::iterator, std::vector<char>::iterator, __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type&)'
   32 |           vector<char>::iterator it = find(s[0].begin(), s[0].end(), s[0][j]);
      |                                       ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
                 from /usr/include/c++/14/bits/basic_ios.h:37,
                 from /usr/include/c++/14/ios:46,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)'
  435 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note:   template argument deduction/substitution failed:
a.cc:32:43: note:   '__gnu_cxx::__normal_iterator<char*, std::vector<char> >' is not derived from 'std::istreambuf_iterator<_CharT>'
   32 |           vector<char>::iterator it = find(s[0].begin(), s[0].end(), s[0][j]);
      |                                       ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:39:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   39 |   sort(s[0].begin(), s[0].end());
      |   ^~~~
      |   short
Language: C++

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

int main(){
    int n;
    cin >> n;
    vector<string> s(n);
    for(int i=0;i<n;i++){
        cin >> s[i];
    }
    
    string c;
    for(int i=0;i<s[0].size();i++){
        c.push_back(s[0][i]);
    }
    
    for(int i=0;i<n;i++){
        if(c.size()==0){
            break;
        }
        string t=s[i]
        for(int j=0;j<c.size();j++){
            bool judge=true;
            for(int k=0;k<t.size();k++){
                if(c[j]==t[k]){
                    judge=false;
                    t.erase(t.begin()+k);
                    break;
                }
            }
            if(judge){
                c.erase(c.begin()+j);
            }
        }
    }
    
    if(c.size()!=0){
        sort(c.begin(),c.end());
        for(int i=0;i<c.size();i++){
            cout << c[i];
        }
    }
    cout << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:9: error: expected ',' or ';' before 'for'
   22 |         for(int j=0;j<c.size();j++){
      |         ^~~
a.cc:22:21: error: 'j' was not declared in this scope
   22 |         for(int j=0;j<c.size();j++){
      |                     ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

void hawawa()
{
	int n;
	cin >> n;
	map<char, int> cnt;
	for (char c = 'a'; c <= 'z'; c++) {
		cnt[c] = numeric_limits<int>::max();
	}
	while (n--) {
		string str;
		cin >> str;
		sort(begin(str), end(str));
		for (char c = 'a'; c <= 'z'; c++) {
			cnt[c] = min(cnt[c], upper_bound(begin(str), end(str), c) - lower_bound(begin(str), end(str), c);
		}
	}
	for (char c = 'a'; c <= 'z'; c++) {
		cout << string(cnt[c], c);
	}
	cout << "\n";
}

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


Compiler output:
a.cc: In function 'void hawawa()':
a.cc:18:121: error: expected ')' before ';' token
   18 |                         cnt[c] = min(cnt[c], upper_bound(begin(str), end(str), c) - lower_bound(begin(str), end(str), c);
      |                                     ~                                                                                   ^
      |                                                                                                                         )
Language: C++

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

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  int n;
  cin >> n;
  string s[n];
  for (int i = 0; i < n; i++) cin >> s[i];
  string res = "";
  for (int i = 0; i < n; i++) sort(s[i].begin(), s[i].end());
  for (char c = 'a'; c <= 'z'; c++) {
    int m = 100;
    for (int i = 0; i < n; i++) {
      m = min(m, upper_bound(s[i].begin(), s[i].end(), c) - lower_bound(s[i].begin(), s[i].end(), c));
    }
    for (int i = 0; i < m; i++) res += c;
  }
  cout << res << "\n";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: no matching function for call to 'min(int&, __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >::difference_type)'
   16 |       m = min(m, upper_bound(s[i].begin(), s[i].end(), c) - lower_bound(s[i].begin(), s[i].end(), c));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:16:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >::difference_type' {aka 'long int'})
   16 |       m = min(m, upper_bound(s[i].begin(), s[i].end(), c) - lower_bound(s[i].begin(), s[i].end(), c));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: 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:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:16:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   16 |       m = min(m, upper_bound(s[i].begin(), s[i].end(), c) - lower_bound(s[i].begin(), s[i].end(), c));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

N = int(input())
S = [[] for i in range(N)]
for i in range(N):
	S[i] += list(input())

res=""
for i in range(97,97+26):
	c = chr(i)
	curr = N 
	for j in range(N):
		curr = min(curr,S[j].count(c))
	res += c*curr

print(res)

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

n = int(input())
Ss = []
for i in range(n):
    Ss.append(input())

minfreq = dict()
for i in range(ord('a'), ord('z')+1):
    minfreq[chr(i)] = 500000

for S in Ss:
    freq = dict()
    for i in range(ord('a'), ord('z')+1):
        freq[chr(i)] = 0

    for c in S:
        freq[c] += 1

    for c in freq:
        minfreq[c] = min(minfreq[c], freq[c])

out = ""
l = list(minfreq.items())
l.sort()
for c,x in l:
    out += c*x
print(out)

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

import java.util.*;

public class Main
{

    static Scanner sc = new Scanner(System.in);
    static class Str{
        int[] chars = new int[26];
    }
    public static void main(String[] args) {
        int n = sc.nextInt();
        Str[] words = new Str[n];
        for (int i = 0; i < n; i++) {
            String s = sc.next();
            words[i] = new Str();
            for (int j = 0; j < s.length(); j++) {
                char c = s.charAt(j);
                words[i].chars[c - 'a'] += 1;
            }
        }
        Str fin = new Str();
        for (int i = 0; i < 26; i++) {
            int min_c = Integer.MAX_VALUE;
            for (int j = 0; j < n; j++) {
                min_c = Math.min(min_c, words[j].chars[i]);
            }
            fin.chars[i] = min_c;
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 26; i++) {
            for (int j = 0; j < fin.chars[i]; j++) {
                sb.append((char)(i + 'a'));
            }
        }
        System.out.println(sb.toString());
    }
}

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

#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

string str;
int ans[26];
int main() {
	memset(ans, 1, sizeof(ans));
	int n; cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> str;
		int cnt[26] = { 0, };
		for (int j = 0; j < str.size(); j++) {
			cnt[str[j] - 'a']++;
		}
		for (int j = 0; j < 26; j++)ans[j] = min(ans[j], cnt[j]);
	}
	string t;
	for (int i = 0; i < 26; i++) {
		while (ans[i]) {
			--ans[i];
			t = t + (char)('a' + i);
		}
	}
	cout << t;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'memset' was not declared in this scope
    9 |         memset(ans, 1, sizeof(ans));
      |         ^~~~~~
a.cc:4:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    3 | #include <algorithm>
  +++ |+#include <cstring>
    4 | using namespace std;
Language: C

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define MAXN 60
#define MAXS 3600
int n;
char* strings[MAXN];
int min(const int a, const int b) {
    return a > b ? a : b;
}

void read_str(int idx) {
    char buf[MAXN];
    fgets(buf, MAXN, stdin):
    int len = strlen(buf);
    if(buf[len - 1] == '\n') buf[--len] = '\0';
    strings[idx] = strdup(buf);
}
int solve(char* res) {
    int t = 0;
    int cnt[26];
    for(int i = 0; i < 26; i++) cnt[i] = 1e9;
    for(int i = 0; i < n; i++) {
        int currcnt[26] = {0};
        int len = strlen(strings[i]);
        for(int j = 0; j < len; j++) 
            currcnt[strings[i][j] - 'a']++;
        for(int j = 0; j < 26; j++) cnt[i] = min(cnt[i], currcnt[i]);
    }
    for(int i = 0; i < 26; i++)
        for(int j = 0; j < cnt[i]; j++)
            cnt[t++] = i + 'a';
    cnt[t] = '\0';
    return t;
}
int main(void) {
    scanf("%d\n", &n);
    char res[MAXS];
    for(int i = 0; i < n; i++) read_str(i);
    solve(res);
    puts(res);
    return 0;
}

Compiler output:
main.c: In function 'read_str':
main.c:14:28: error: expected ';' before ':' token
   14 |     fgets(buf, MAXN, stdin):
      |                            ^
      |                            ;
main.c:16:12: error: 'len' undeclared (first use in this function)
   16 |     if(buf[len - 1] == '\n') buf[--len] = '\0';
      |            ^~~
main.c:16:12: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main(){
    int max_num;
    vector < vector < int > > arr (26);
    cin >> max_num;
    for(int j=0;j<max_num;j++){
        string po;
        cin >> po;
        vector<int> l(0,26);
        for(int i=0;i<26;i++) arr[i].push_back(0);//要素を追加
        for(int i=0;i<po.length();i++){
            int cn = (int)po[i]-97;
            arr[cn][j]++;
        }
    }
    for(int i=0;i<26;i++){
        int min = *min_element(arr[i].begin(), arr[i].end());
        for(int j=0;j < min;j++){
            cout << (char)(i+97);
        }
    }
    cout <<"\n";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:20: error: 'min_element' was not declared in this scope
   22 |         int min = *min_element(arr[i].begin(), arr[i].end());
      |                    ^~~~~~~~~~~
Language: C++

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main(){
    int max_num;
    vector < vector < int > > arr (26);
    cin >> max_num;
    for(int j=0;j<max_num;j++){
        string po;
        cin >> po;
        vector<int> l(0,26);
        for(int i=0;i<26;i++) arr[i].push_back(0);//要素を追加
        for(int i=0;i<po.length();i++){
            int cn = (int)po[i]-97;
            arr[cn][j]++;
        }
    }
    for(int i=0;i<26;i++){
        int min = *std::min_element(arr[i].begin(), arr[i].end());
        for(int j=0;j < min;j++){
            cout << (char)(i+97);
        }
    }
    cout <<"\n";
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:25: error: 'min_element' is not a member of 'std'; did you mean 'tuple_element'?
   22 |         int min = *std::min_element(arr[i].begin(), arr[i].end());
      |                         ^~~~~~~~~~~
      |                         tuple_element
Language: C++

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main(){
    int max_num;
    vector < vector < int > > arr (26);
    cin >> max_num;
    for(int j=0;j<max_num;j++){
        string po;
        cin >> po;
        vector<int> l(0,26);
        for(int i=0;i<26;i++) arr[i].push_back(0);//要素を追加
        for(int i=0;i<po.length();i++){
            int cn = (int)po[i]-97;
            arr[cn][j]++;
        }
    }
    for(int i=0;i<26;i++){
        for(int j=0;j<*min_element(arr[i].begin(), arr[i].end());j++){
            cout << (char)(i+97);
        }
    }
    cout <<"\n";
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:24: error: 'min_element' was not declared in this scope
   22 |         for(int j=0;j<*min_element(arr[i].begin(), arr[i].end());j++){
      |                        ^~~~~~~~~~~
Language: C++

$n = <>;
$first = 1;

for (1..$n) {
    $_ = <>;
    my %hash;
    chomp;
    @a = split('');
    for (@a) {
        $hash{$_}++;
    }
    if ($first) {
        %glbl = %hash;
    } else {
        for (keys %glbl) {
            if ($glbl{$_} > $hash{$_}) {
                $glbl{$_} = $hash{$_};
            }
        }
    }
    $first = 0;
}
for (sort(keys %glbl)) {
    print $_ x $glbl{$_};
}
print "\n";

Compiler output:
a.cc:4:6: error: too many decimal points in number
    4 | for (1..$n) {
      |      ^~~~~
a.cc:8:5: error: stray '@' in program
    8 |     @a = split('');
      |     ^
a.cc:8:16: error: empty character constant
    8 |     @a = split('');
      |                ^~
a.cc:9:10: error: stray '@' in program
    9 |     for (@a) {
      |          ^
a.cc:1:1: error: '$n' does not name a type
    1 | $n = <>;
      | ^~
a.cc:2:1: error: '$first' does not name a type
    2 | $first = 1;
      | ^~~~~~
a.cc:4:1: error: expected unqualified-id before 'for'
    4 | for (1..$n) {
      | ^~~
a.cc:23:1: error: expected unqualified-id before 'for'
   23 | for (sort(keys %glbl)) {
      | ^~~
a.cc:26:1: error: 'print' does not name a type; did you mean 'int'?
   26 | print "\n";
      | ^~~~~
      | int
Language: C++

#include <iostream>
#include <vector>
#include <map>
using namespace std;
#define INF 1e7
int main(void){
    int n;
    string s;
    cin >> n;
    string ret;
    map<char, int> buf;
    for(char c='a'; c<='z'; c++){
        buf[c] = INF;
    }
    for(int i=0; i<n; i++){
        cin >> s;
        for(char c='a'; c<='z'; c++){
            buf[c] = min(buf[c], int(count(s.begin(), s.end(), c)));
        }
    }
    for(char c='a'; c<='z'; c++){
        for(int i=0; i<buf[c]; i++){
            ret += c;
        }
    }
    cout << ret << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:38: error: 'count' was not declared in this scope
   18 |             buf[c] = min(buf[c], int(count(s.begin(), s.end(), c)));
      |                                      ^~~~~
Language: Java

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class Sample {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
	Scanner scan = new Scanner(System.in);
	int n = scan.nextInt();
	int an[][]=new int[n][26];
	int bn[][]=new int[n][26];
	int min=50;
	int ans[] =new int[26];
	int a ='a';
	List<String> list = new ArrayList<String>();
    for(int i=0;i<n;i++){
    	list.add(scan.next());
    }
    for(int i=0;i<n;i++){
    	an=ch(list.get(i),i,n);
    	for(int f=0;f<26;f++){
    		bn[i][f]=an[i][f];
    	}
    }
    for(int f=0;f<26;f++){
    	min=50;
    	for(int i=0;i<n;i++){
    		if(min>bn[i][f]){
    			min=bn[i][f];
    		}
    	}
    ans[f]=min;
    }
    for(int i=0;i<26;i++){
    	a='a';
    	a=a+i;
    	for(int f=0;f<ans[i];f++){

    		System.out.print((char)a);
    	}
    }
}
	public static List<Character > cha(String s){
		List<Character > a = new ArrayList<Character >();
		for(int i=0;i<s.length();i++){
			a.add(s.charAt(i));
		}
		return a;
	}
	public static int[][] ch(String st,int b,int n){
		int [][] c=new int[n][26];
		for(int f=0;f<26;f++){
			int count=0;
			int a='a';
			a=a+f;
			for(int i=0;i<st.length();i++){
				if((char)a==st.charAt(i)){
				count++;
				}
			}
		c[b][f]=count;
		}
		return c;
	}
}

Compiler output:
Main.java:4: error: class Sample is public, should be declared in a file named Sample.java
public class Sample {
       ^
1 error
Language: C++

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from random import *

def readln():
    _res = list(map(int,str(input()).split(' ')))
    return _res

n = readln()[0]
a = {}
char = 'abcdefghijklmnopqrstuvwxyz'
for i in char:
    a.update({i:1000000})

for i in range(0,n):
    s = input()
    b = {}
    for ch in char:
        b.update({ch:0})
    for ch in s:
        b[ch] = b[ch] + 1
    for ch in char:
        a[ch] = min(a[ch],b[ch])
ans = ''
for ch in char:
    for i in range(0,a[ch]):
        ans = ans + ch
print(ans)


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #!
    1 | #!/usr/bin/env python3
      |  ^
a.cc:2:3: error: invalid preprocessing directive #-
    2 | # -*- coding: utf-8 -*-
      |   ^
a.cc:12:8: warning: multi-character literal with 26 characters exceeds 'int' size of 4 bytes
   12 | char = 'abcdefghijklmnopqrstuvwxyz'
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:25:7: error: empty character constant
   25 | ans = ''
      |       ^~
a.cc:4:1: error: 'from' does not name a type
    4 | from random import *
      | ^~~~
a.cc:12:6: error: expected unqualified-id before '=' token
   12 | char = 'abcdefghijklmnopqrstuvwxyz'
      |      ^
a.cc:14:25: error: expected unqualified-id before ')' token
   14 |     a.update({i:1000000})
      |                         ^
a.cc:19:5: error: expected unqualified-id before 'for'
   19 |     for ch in char:
      |     ^~~
a.cc:20:24: error: expected unqualified-id before ')' token
   20 |         b.update({ch:0})
      |                        ^
Language: C++

#include <iostream>
#include <cstring>
#include <set>

using namespace std;

int main()
{
    int am[26], n;
    string s;
    memset(am, 63, sizeof am);
    cin >> n;
    while (n--)
    {
        cin >> s;
        for (int c = 0; c < 26; ++c)
            am[c] = min(am[c] + 0u, multiset<char>(s.begin(), s.end()).count(c + 'a'));
    }
    for (int c = 0; c < 26; ++c)
        cout << string(am[c], c + 'a');
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:24: error: no matching function for call to 'min(unsigned int, std::multiset<char>::size_type)'
   17 |             am[c] = min(am[c] + 0u, multiset<char>(s.begin(), s.end()).count(c + 'a'));
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:17:24: note:   deduced conflicting types for parameter 'const _Tp' ('unsigned int' and 'std::multiset<char>::size_type' {aka 'long unsigned int'})
   17 |             am[c] = min(am[c] + 0u, multiset<char>(s.begin(), s.end()).count(c + 'a'));
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
Language: Java

import java.util.Scanner;

public class main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		String[] S = new String[n];
		char c;
		int[][] count = new int[n][26];

		S[0]=scan.nextLine();
		for(int i =0;i<n;i++){
			S[i]=scan.nextLine();
		}

		for(int i =0;i<n;i++){
			for(int j =0;j<S[i].length();j++){
			c = S[i].charAt(j);
			count[i][c-'a']++;
			}
		}

		int[] min = new int[26];

		for(int i =0;i<26;i++){
			min[i]=50;
			for(int j =0;j<n;j++){
				if(count[j][i] < min[i]){
					min[i]=count[j][i];
				}
			}
		}

		c = 'a';
		for(int i=0;i<26;i++){
			for(int j=0;j<min[i];j++){
				System.out.print(c);
			}
			c++;
		}
		System.out.println("");

	}

}


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