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

int main() {
	int a, b, c, k;
	cin >> a >> b >> c >> k;
	if(k <= a) cout << k << endl;
	else if(k <= a + b) cout << a << endl;
	else cout << a - (k - a - b) << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:9: error: 'cin' was not declared in this scope
    3 |         cin >> a >> b >> c >> k;
      |         ^~~
a.cc:4:20: error: 'cout' was not declared in this scope
    4 |         if(k <= a) cout << k << endl;
      |                    ^~~~
a.cc:4:33: error: 'endl' was not declared in this scope
    4 |         if(k <= a) cout << k << endl;
      |                                 ^~~~
a.cc:5:29: error: 'cout' was not declared in this scope
    5 |         else if(k <= a + b) cout << a << endl;
      |                             ^~~~
a.cc:5:42: error: 'endl' was not declared in this scope
    5 |         else if(k <= a + b) cout << a << endl;
      |                                          ^~~~
a.cc:6:14: error: 'cout' was not declared in this scope
    6 |         else cout << a - (k - a - b) << endl;
      |              ^~~~
a.cc:6:41: error: 'endl' was not declared in this scope
    6 |         else cout << a - (k - a - b) << endl;
      |                                         ^~~~
Language: C++

#include <iostream>
using namespace std;

int main()
{
int a,b,c,k;
cin >> a >> b >> c >> k;
  
if(a>=k){cout << k << endl;}
else if(a+b>=k){cout << a << endl;}
else {cout << a-c << endl;}
  
return0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:1: error: 'return0' was not declared in this scope
   13 | return0;
      | ^~~~~~~
Language: C++

#include <algorithm>
#include <iostream>

using namespace std;

int main() {
  int A, B, C, K;
  cin >> A >> B >> C >> K;
  auto int a = min(A, K);
  auto int b = min(B, K - a);
  auto int c = min(C, K - a - b);
  auto ans = a - c;
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: two or more data types in declaration of 'a'
    9 |   auto int a = min(A, K);
      |   ^~~~
a.cc:10:3: error: two or more data types in declaration of 'b'
   10 |   auto int b = min(B, K - a);
      |   ^~~~
a.cc:10:27: error: 'a' was not declared in this scope
   10 |   auto int b = min(B, K - a);
      |                           ^
a.cc:11:3: error: two or more data types in declaration of 'c'
   11 |   auto int c = min(C, K - a - b);
      |   ^~~~
a.cc:11:31: error: 'b' was not declared in this scope
   11 |   auto int c = min(C, K - a - b);
      |                               ^
a.cc:12:18: error: 'c' was not declared in this scope
   12 |   auto ans = a - c;
      |                  ^
Language: C++

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

// ProblemSet: Easy Linear Programming
void solve() {
	int a ,b,c,k;
	// a  = 1 b = 0 c = -1

	cin >> a >> b >> c >> k;
	if(k<=a)
		cout << k << endl;
	else if(k <= a+b ) cout << a << endl;
	else cout << a - (k-a-b)<< endl;

}

void dfs(int u, int par){
	for(int v:g[u]){
		if (v == par) continue;
		dfs(v, u);
	}


int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    srand(chrono::high_resolution_clock::now().time_since_epoch().count());
/**
    int t;
    cin >> t;
    while(t--) {
      solve();
    }
**/
solve();
    return 0;
}


Compiler output:
a.cc: In function 'void dfs(int, int)':
a.cc:19:19: error: 'g' was not declared in this scope
   19 |         for(int v:g[u]){
      |                   ^
a.cc:25:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   25 | int main() {
      |         ^~
a.cc:25:9: note: remove parentheses to default-initialize a variable
   25 | int main() {
      |         ^~
      |         --
a.cc:25:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:25:12: error: a function-definition is not allowed here before '{' token
   25 | int main() {
      |            ^
a.cc:37:2: error: expected '}' at end of input
   37 | }
      |  ^
a.cc:18:25: note: to match this '{'
   18 | void dfs(int u, int par){
      |                         ^
Language: C++

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

// ProblemSet: Easy Linear Programming
void solve() {
	int a ,b,c,k;
	// a  = 1 b = 0 c = -1

	cin >> a >> b >> c >> k;
	if(k<=a)
		cout << k << endl;
	else if(k <= a+b ) cout << a << endl;
	else cout << a - (k-a-b)<< endl;
	return 0;

}
int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    srand(chrono::high_resolution_clock::now().time_since_epoch().count());
/**
    int t;
    cin >> t;
    while(t--) {
      solve();
    }
**/
solve();
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:14:16: error: return-statement with a value, in function returning 'void' [-fpermissive]
   14 |         return 0;
      |                ^
Language: C++

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

int main(){	
	int a,b ,c k;
	cin >> a >> b >> c >> k;
	int ans = 0;
	if(a < k){
		ans += a;
		k -=a;
		if(b<k){
		k -=b;
		ans -=k;
		}
	}else{
		ans+=k;
	}
	cout << ans << endl;
	return 0;

}




Compiler output:
a.cc: In function 'int main()':
a.cc:7:20: error: expected initializer before 'k'
    7 |         int a,b ,c k;
      |                    ^
a.cc:8:26: error: 'c' was not declared in this scope
    8 |         cin >> a >> b >> c >> k;
      |                          ^
a.cc:8:31: error: 'k' was not declared in this scope
    8 |         cin >> a >> b >> c >> k;
      |                               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define PI 2*acos(0.0)
#define boost ios::sync_with_stdio(false);cin.tie(0)
int main()
{
 boost;
  ll a,b,c,n,sum=0;
  cin>>a>>b>>c>>n;
  if(a>=n) { cout<<a<<endl; return 0; }
  else {
      sum+=a;
      n-=a;
  }
  if(b>=n) { cout<<sum<<endl; return 0; }
  else {
      n-=b;
      sum+=(*n);
      cout<<sum<<endl;
  }
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:13: error: invalid type argument of unary '*' (have 'long long int')
   20 |       sum+=(*n);
      |             ^~
Language: C++

#include <iostream>
using namespace std;
int main(){
  int A,B,C,K;
  cin>>A;
  A=1*A;
  cin>>B;
  B=(-1)*A;
  cin>>C
   C=0*C;
  cin>>K;
  cout<<(A+B+C);
  
    
    
    

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: expected ';' before 'C'
    9 |   cin>>C
      |         ^
      |         ;
   10 |    C=0*C;
      |    ~     
a.cc:12:17: error: expected '}' at end of input
   12 |   cout<<(A+B+C);
      |                 ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

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


int main() {
  // ここにプログラムを追記
  int a,b,c,k;
  cin>>a>>b>>c>>k;
  if (a>=k)cot<<k<<endl;
  else if (k>a&&k<=b)cout <<a<<endl;
  else cout <<a- (k-b-a)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:12: error: 'cot' was not declared in this scope; did you mean 'cos'?
   10 |   if (a>=k)cot<<k<<endl;
      |            ^~~
      |            cos
Language: C++

/** author: __nishad__ **/
#pragma GCC optimize(2)
#pragma GCC optimize(3, "Ofast", "inline")
#include<bits/stdc++.h>
using namespace std;


typedef long long ll ;
typedef vector<ll> vll ;

#define IOS ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define all(v) (v).begin(),(v).end()
#define precision(k) cout<<setprecision(k)<<fixed;
#define loop(i,a,b) for(ll i=(a);i<=(b);++i)
#define minv(v) *min_element(all(v))
#define maxv(v) *max_element(all(v))
#define getpos(v,x) (lower_bound(v.begin(),v.end(),x)-v.begin())
#define unq(v) sort(all(v)),(v).erase(unique((v).begin(),(v).end()),(v).end())
#define pb push_back
#define mp make_pair
#define pi 3.14159265358979323
#define endl "\n"

int main()
{
    IOS;

    ll a, b, c, k, res=0;
    cin>>a>>b>>c>>k;

    if(k <= a){
        if(k<a)
            res = a-k;
        else if(k == a)
            res = k;
    }
    else if(k <= a+b){
        if(k < a+b)
            res = a;
        else if(k == a+b)
            res = a;
    }
    else if(k <= a+c+b){
        if(k < a+b+c)
            res = a-(k-a-b);
        else(k == a+b+c)
            res = a-c;
    }

    cout<<res;
}






























Compiler output:
a.cc: In function 'int main()':
a.cc:46:25: error: expected ';' before 'res'
   46 |         else(k == a+b+c)
      |                         ^
      |                         ;
   47 |             res = a-c;
      |             ~~~
Language: C

#include <stdio.h>
 
int main(void) {
  int A;
  int B;
  int C;
  int K;
  scanf("%d", &A);
  scanf("%d", &B);
  scanf("%d", &C);
  scanf("%d", &K);
  int s_max = 0;
  if (A >= K) {
    s_max = K;
  } else if (A + B >= K) {
    s_max = A;
  } else {
    s_max = A - (K - (A + B));
  }
  printf("%d\n", s_max);
  return 0;
}
#include <stdio.h>

int main(void) {
  int A;
  int B;
  int C;
  int K;
  scanf("%d", &A);
  scanf("%d", &B);
  scanf("%d", &C);
  scanf("%d", &K);
  int s_max = 0;
  if (A >= K) {
    s_max = K;
  } else if (A + B >= K) {
    s_max = A;
  } else {
    s_max = A - (K - (A + B));
  }
  printf("%d\n", s_max);
  return 0;
}


Compiler output:
main.c:25:5: error: redefinition of 'main'
   25 | int main(void) {
      |     ^~~~
main.c:3:5: note: previous definition of 'main' with type 'int(void)'
    3 | int main(void) {
      |     ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main()
{
	int a,b,c,k;
	cin>>a>>b>>c>>k;
	int sum=0;
	while(k--) {
		if(a>0) {sum++; a--;}
		else if(b>0) {b--;continue;}
		else {sum--; c--:}
	}
	cout<<sum<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:33: error: expected ';' before ':' token
   13 |                 else {sum--; c--:}
      |                                 ^
      |                                 ;
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main()
{
	int a,b,c,k;
	cin>>a>>b>>c>>k;
	int sum=0;
	while(k--) {
		if(a>0) {sum++; a--;+
		else if(b>0) {b--;continue;}
		else {sum--; c--:}
	}
	cout<<sum<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:17: error: expected primary-expression before 'else'
   12 |                 else if(b>0) {b--;continue;}
      |                 ^~~~
a.cc:13:17: error: expected '}' before 'else'
   13 |                 else {sum--; c--:}
      |                 ^~~~
a.cc:11:25: note: to match this '{'
   11 |                 if(a>0) {sum++; a--;+
      |                         ^
a.cc:13:33: error: expected ';' before ':' token
   13 |                 else {sum--; c--:}
      |                                 ^
      |                                 ;
Language: C

#include<stdio.h>
#include<string.h>
int main(){
  int a,b,c,k;
  int i,j;
  
  scanf("%d %d %d %d",&a,&b,&c,&k);
  if(a<=k){
   printf("%d\n",k);
  }else if(a+b<=k){
   printf("%d\n",a); 
  }else{
    printf("%d\n",b-k)));
  }
  
 return 0; 
}


Compiler output:
main.c: In function 'main':
main.c:13:23: error: expected ';' before ')' token
   13 |     printf("%d\n",b-k)));
      |                       ^
      |                       ;
main.c:13:23: error: expected statement before ')' token
main.c:13:24: error: expected statement before ')' token
   13 |     printf("%d\n",b-k)));
      |                        ^
Language: C

#include<cstdio.h>
int main(){
  int a,b,c,k;
  scanf("%d%d%d%d",&a,&b,&c,&k);
  if(a >= k) printf("%d\n",a);
  else if(b >= k - a) printf("%d\n",a);
  else printf("%d\n",a - (k - a - b));
  return 0;
}

Compiler output:
main.c:1:9: fatal error: cstdio.h: No such file or directory
    1 | #include<cstdio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b,c,k;
  cin>>a>>b>>c>>K;
  if(a==k&&a+b==k)cout<<a;
  else if(k<a)cout<<a-k;
  else{
      int o;
      o=k-a-b;
      cout<<a-o;
    
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:17: error: 'K' was not declared in this scope
    5 |   cin>>a>>b>>c>>K;
      |                 ^
Language: C++

#include <iostream>
 using namespace std;
 int main(){
     int a,b,c,k;
     cin >> a >> b >> c >> k;
     if(k<a){
         cout << k << endl;
     }
       else if (k<=a+b){
           cout << a << endl;
       }
          else {
              cout << a-(k-a+b) << endl;
          } 
     
        return 0;
     }
 }

Compiler output:
a.cc:18:2: error: expected declaration before '}' token
   18 |  }
      |  ^
Language: C++

#include <iostream>
 using namespace std;
 int main(){
     int a,b,c,k;
     cin >> a >> b >> c >> k;
     if(k<a){
         cout << k << endl;
     }
       else if (k<=a+b){
           cout << a << endl;
       }
          else {
              cout << a-(k-a+b) << endl;
          } 
     
        return 0:;
     }
 }

Compiler output:
a.cc: In function 'int main()':
a.cc:16:17: error: expected ';' before ':' token
   16 |         return 0:;
      |                 ^
      |                 ;
a.cc:16:17: error: expected primary-expression before ':' token
a.cc: At global scope:
a.cc:18:2: error: expected declaration before '}' token
   18 |  }
      |  ^
Language: C++

#include <iostream>
 using namespace std;
 int main(){
     int a,b,c,k;
     cin >> a >> b >> c >> k;
     if(k<a){
         cout << k << endl;
       else if (k<=a+b){
           cout << a << endl;
          else {
              cout << a-(k-a+b) << endl;
          } 
       }  
     }
        return 0:;
     }
 }

Compiler output:
a.cc: In function 'int main()':
a.cc:8:8: error: expected '}' before 'else'
    8 |        else if (k<=a+b){
      |        ^~~~
a.cc:6:13: note: to match this '{'
    6 |      if(k<a){
      |             ^
a.cc:10:11: error: expected '}' before 'else'
   10 |           else {
      |           ^~~~
a.cc:8:24: note: to match this '{'
    8 |        else if (k<=a+b){
      |                        ^
a.cc: At global scope:
a.cc:14:6: error: expected declaration before '}' token
   14 |      }
      |      ^
a.cc:15:9: error: expected unqualified-id before 'return'
   15 |         return 0:;
      |         ^~~~~~
a.cc:16:6: error: expected declaration before '}' token
   16 |      }
      |      ^
a.cc:17:2: error: expected declaration before '}' token
   17 |  }
      |  ^
Language: C++

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

int main(){
  int a,b,c,k;
  cin >> a >> b >> c >> k;
  
  if (k <= a) cout << k << endl;
  else if (k <= a + b) cout << a << endl;
  else cout << a - (k - (a + b)) << endl;
  retur 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: 'retur' was not declared in this scope
   11 |   retur 0;
      |   ^~~~~
Language: C++

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

int main() {
  int A,B,C,K;
  cin >> A >> B >> C >> K >>;
  if(K<=A){
    cout << K <<endl;
  }
  else if(A < K && K <= A+B){
    cout << A << endl;
  }
  else if(A+B < K && K <=A+B+C){
    cout << A-C << endl;
  }
}






Compiler output:
a.cc: In function 'int main()':
a.cc:6:29: error: expected primary-expression before ';' token
    6 |   cin >> A >> B >> C >> K >>;
      |                             ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
typedef long long ll;
#define _GLIBCXX_DEBUG
typedef vector<int> vec;
typedef vector<ll> lvec;
typedef vector<char> cvec;
typedef vector<double> dvec;
typedef pair<ll, ll> LP;
typedef tuple<ll, ll, ll> LT;
typedef pair<int, int> P;
typedef tuple<int, int, int> T;
#define fs first
#define sc second
int main()	{
  ll a,b,c,k;
  cin>>a>>b>>c>>k;
  if(a>k) cout<<k<<endl;
  else if(a+b>k) cout<<a<<endl;
  else if {
    ll d=k-a-b;
    cout<<a-d<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:11: error: expected '(' before '{' token
   23 |   else if {
      |           ^
      |           (
Language: C++

#include<iostream>
using namespace std;

int main(){
  long int A, B, C, K;
  cin >> A >> B >> C >> K;
  if (A + B >= K) {
    if (A >= K) {
      cout << A << endl;
    }
    else {
      cout << K << endl;
  }
  else {
    cout << A - (K-A-B) << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:3: error: expected '}' before 'else'
   14 |   else {
      |   ^~~~
a.cc:7:19: note: to match this '{'
    7 |   if (A + B >= K) {
      |                   ^
Language: C++

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

int main()
{
  int A, B, C, K;
  cin >> A >> B >> C >> K;
  int ans;
  int X, Y;
  X = K - A;
  Y = X - B;
  if (X < 0)
  {
    ans = K;
  }
  else if (X =< B)
  {
    ans = A;
  }
  else if (Y=< C)
  {
    ans = A - Y;
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:15: error: expected primary-expression before '<' token
   16 |   else if (X =< B)
      |               ^
a.cc:20:14: error: expected primary-expression before '<' token
   20 |   else if (Y=< C)
      |              ^
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<int, int> ;
     
     
    int main () {
    ll A, B, C, K;
    cin >> A >> B >> C >> K;
    ll ans = 0;
    if ( A > K ){
      cout << K * 1 << endl;
       return ;}     
    else {ans += A * 1 ;}
    if (K - A > 0 ) {
    ans += (K - A) * 0;} 
    if (K - A - B > 0){
    ans += (K - A - B) * -1 ;}
    cout << ans << endl; 
    return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:14:8: error: return-statement with no value, in function returning 'int' [-fpermissive]
   14 |        return ;}
      |        ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i = 0; i < (n); i++)
#define INF 2 << 29
#define MOD 1000000007
#define Yes(f) puts((f)? "Yes" : "No")
#define YES(f) puts((f)? "YES" : "NO")
int gcd(int a, int b) {
	if (b != 0) return gcd(b, a % b);
	return a;
}
int lcm(int a, int b) {
	return a / gcd(a, b) * b;
}

using Graph = vector<vector<int>>;

int main(){
	int a, b, c, k; cin >> a >> b >> c >> k;
	if(k <= a + b) cout << k << endl;
	else cout << a - max(k - a - b) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:29: error: no matching function for call to 'max(int)'
   22 |         else cout << a - max(k - a - b) << endl;
      |                          ~~~^~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
a.cc:22:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |         else cout << a - max(k - a - b) << endl;
      |                          ~~~^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 1 provided
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i = 0; i < (n); i++)
#define INF 2 << 29
#define MOD 1000000007
#define Yes(f) puts((f)? "Yes" : "No")
#define YES(f) puts((f)? "YES" : "NO")
int gcd(int a, int b) {
	if (b != 0) return gcd(b, a % b);
	return a;
}
int lcm(int a, int b) {
	return a / gcd(a, b) * b;
}

using Graph = vector<vector<int>>;

int main(){
	ll a, b, c, k; cin >> a >> b >> c >> k;
	if(k <= a + b) cout << k << endl;
	else cout << a - max(k - a - b) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:29: error: no matching function for call to 'max(ll)'
   22 |         else cout << a - max(k - a - b) << endl;
      |                          ~~~^~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
a.cc:22:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   22 |         else cout << a - max(k - a - b) << endl;
      |                          ~~~^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 1 provided
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using P=pair<ll,ll>;
#definerep(i, n)
for(ll i = 0; i < (ll)n; i++)
int main() {
  int a,b,c,k;
  cin>>a>>b>>c>>k;
  if(k<=a)cout<<k<<endl;
  else if(k<=a+b)cout<<a<<endl;
  else cout<<a- (k-a-b) <<endl;
  return 0;
}

Compiler output:
a.cc:5:2: error: invalid preprocessing directive #definerep; did you mean #define?
    5 | #definerep(i, n)
      |  ^~~~~~~~~
      |  define
a.cc:6:1: error: expected unqualified-id before 'for'
    6 | for(ll i = 0; i < (ll)n; i++)
      | ^~~
a.cc:6:15: error: 'i' does not name a type
    6 | for(ll i = 0; i < (ll)n; i++)
      |               ^
a.cc:6:26: error: 'i' does not name a type
    6 | for(ll i = 0; i < (ll)n; i++)
      |                          ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using P=pair<ll,ll>;
#definerep(i, n)for(ll i = 0; i < (ll)n; i++)
int main() {
  int a,b,c,k;
  cin>>a>>b>>c>>k;
  if(k<=a)cout<<k<<endl;
  else if(k<=a+b)cout<<a<<endl;
  else cout<<a- (k-a-b) <<endl;
  return 0;
}

Compiler output:
a.cc:5:2: error: invalid preprocessing directive #definerep; did you mean #define?
    5 | #definerep(i, n)for(ll i = 0; i < (ll)n; i++)
      |  ^~~~~~~~~
      |  define
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using P=pair<ll,ll>;
#definerep(i, n)
for(ll i = 0; i < (ll)n; i++)
  int main() {
  int a,b,c,k;
  cin>>a>>b>>c>>k;
  if(k<=a)cout<<k<<endl;
  else if(k<=a+b)cout<<a<<endl;
  else cout<<a- (k-a-b) <<endl;
  return0;
}

Compiler output:
a.cc:5:2: error: invalid preprocessing directive #definerep; did you mean #define?
    5 | #definerep(i, n)
      |  ^~~~~~~~~
      |  define
a.cc:6:1: error: expected unqualified-id before 'for'
    6 | for(ll i = 0; i < (ll)n; i++)
      | ^~~
a.cc:6:15: error: 'i' does not name a type
    6 | for(ll i = 0; i < (ll)n; i++)
      |               ^
a.cc:6:26: error: 'i' does not name a type
    6 | for(ll i = 0; i < (ll)n; i++)
      |                          ^
Language: C++

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

long long itn a,b,c,x;

signed main()
{
    ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	cin>>a>>b>>c>>x;
	if (a+b>=x) cout<<x;else cout<<x-2*(x-a-b);
}


Compiler output:
a.cc:4:15: error: expected initializer before 'a'
    4 | long long itn a,b,c,x;
      |               ^
a.cc: In function 'int main()':
a.cc:12:14: error: 'a' was not declared in this scope
   12 |         cin>>a>>b>>c>>x;
      |              ^
a.cc:12:17: error: 'b' was not declared in this scope
   12 |         cin>>a>>b>>c>>x;
      |                 ^
a.cc:12:20: error: 'c' was not declared in this scope
   12 |         cin>>a>>b>>c>>x;
      |                    ^
a.cc:12:23: error: 'x' was not declared in this scope
   12 |         cin>>a>>b>>c>>x;
      |                       ^
Language: C

#include<stdio.h>

int main(){
  int a, b, c, k; 
  int sum = 0;
  scanf("%d %d %d %d",&a,&b,&c,&k);
  int k1 = k-a;
  int k2 = k1-b;
  if(k1<0)
    sum = k1;
  else if(k2<0)
    sum = a
  else
    sum = a-k2;
  printf("%d",sum);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:12: error: expected ';' before 'else'
   12 |     sum = a
      |            ^
      |            ;
   13 |   else
      |   ~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pcc pair<char,char>
#define vi vector <int>
#define vl vector <ll>
#define sd(x) scanf("%d",&x)
#define slld(x) scanf("%lld",&x)
#define pd(x) printf("%d",x)
#define plld(x) printf("%lld",x)
#define pds(x) printf("%d ",x)
#define pllds(x) printf("%lld ",x)
#define pdn(x) printf("%d\n",x)
#define plldn(x) printf("%lld\n",x)
#define INF 2e9
#define INFLL 4e18
using namespace std;
ll powmod(ll base,ll exponent,ll mod){ // with mod < 1e9
	ll ans=1;
	while(exponent){
		if(exponent&1)ans=(ans*base)%mod;
		base=(base*base)%mod;
		exponent/=2;
	}
	return ans;
}
ll gcd(ll a, ll b){
	if(b==0) return a;
	else return gcd(b,a%b);
}
const int upperlimit = 1e6+1;
const int mod = 1e9+7;

int main() {
       int a, b, c, d;
       int
       cin >> a >> b >> c >> d;
       if (d<=a){
        cout << a << endl;
       }
        else if (d<=a+b){
        cout  << a << endl;
       }
       else
        cout << a-(d-a-b);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:12: error: expected initializer before '>>' token
   42 |        cin >> a >> b >> c >> d;
      |            ^~
Language: C

#include<stdio.h>

int main(void){
  int a,b,c,k;
  sum=0;
  
  scanf("%d %d %d %d",&a,&b,&c,&k);
  
  while(a!=0&&k!=0){
    sum+=1;
    a--;
    k--;
  }
  while(b!=0&&k!=0){
    sum+=0;
    b--;
    k--;
  }
  while(c!=0&&k!=0){
    sum-=1;
    c--;
    k--;
  }
  printf("%d\n",sum);
  return(0);
}

Compiler output:
main.c: In function 'main':
main.c:5:3: error: 'sum' undeclared (first use in this function)
    5 |   sum=0;
      |   ^~~
main.c:5:3: note: each undeclared identifier is reported only once for each function it appears in
Language: Java


import java.util.Scanner;

public class Main5 {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int A=sc.nextInt();
		int B=sc.nextInt();
		int C=sc.nextInt();
		int K=sc.nextInt();
		int ans=0;

		int[] table=new int[K];

		for(int i=0; i<K; i++) {
			if(A>0) {
				table[i]=1;
				A--;
			}else if(B>0) {
				table[i]=0;
				B--;
			}else if(C>0) {
				table[i]=-1;
				C--;
			}

		}

		for(int i=0; i<K; i++) {
			ans=ans+table[i];
		}

		System.out.println(ans);

		sc.close();

	}
}


Compiler output:
Main.java:4: error: class Main5 is public, should be declared in a file named Main5.java
public class Main5 {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
#define FAST_IO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long int

using namespace std;

void code()
    int n;
    int s;
    int c;
    int z;
    cin>>n>>s>>c>>z;
    int nd=z-n,sd=nd-s,sum=0;
    if(sd>0)
            cout<<n-sd<<endl;
    else
    {
        cout<<min(z,n)<<endl;
    }
signed main()

{
        FAST_IO;
        int t = 1;

        // cin>>t;

        while(t--)
        {
                code();
        }

        return 0;
}


Compiler output:
a.cc:3:13: error: expected initializer before 'long'
    3 | #define int long long int
      |             ^~~~
a.cc:8:5: note: in expansion of macro 'int'
    8 |     int n;
      |     ^~~
a.cc:12:5: error: 'cin' does not name a type
   12 |     cin>>n>>s>>c>>z;
      |     ^~~
a.cc:13:14: error: 'n' was not declared in this scope
   13 |     int nd=z-n,sd=nd-s,sum=0;
      |              ^
a.cc:14:5: error: expected unqualified-id before 'if'
   14 |     if(sd>0)
      |     ^~
a.cc:16:5: error: expected unqualified-id before 'else'
   16 |     else
      |     ^~~~
a.cc: In function 'int main()':
a.cc:30:17: error: 'code' was not declared in this scope
   30 |                 code();
      |                 ^~~~
Language: C++

void code()
{
        int n;
        int s;
        int c;
        int z;
        cin>>n>>s>>c>>z;
        int nd=z-n,sd=nd-s,sum=0;
        if(nd<0)
                cout<<z<<endl;
        else if(nd>=0)
                sum+=n;
        if(s>nd || s<=nd || sd==0)
                cout<<sum<<endl;
        else if(sd>0)
        {sum+=(sd* -1);
         cout<<sum<<endl;}

}

Compiler output:
a.cc: In function 'void code()':
a.cc:7:9: error: 'cin' was not declared in this scope
    7 |         cin>>n>>s>>c>>z;
      |         ^~~
a.cc:10:17: error: 'cout' was not declared in this scope
   10 |                 cout<<z<<endl;
      |                 ^~~~
a.cc:10:26: error: 'endl' was not declared in this scope; did you mean 'nd'?
   10 |                 cout<<z<<endl;
      |                          ^~~~
      |                          nd
a.cc:14:17: error: 'cout' was not declared in this scope
   14 |                 cout<<sum<<endl;
      |                 ^~~~
a.cc:14:28: error: 'endl' was not declared in this scope; did you mean 'nd'?
   14 |                 cout<<sum<<endl;
      |                            ^~~~
      |                            nd
a.cc:17:10: error: 'cout' was not declared in this scope
   17 |          cout<<sum<<endl;}
      |          ^~~~
a.cc:17:21: error: 'endl' was not declared in this scope; did you mean 'nd'?
   17 |          cout<<sum<<endl;}
      |                     ^~~~
      |                     nd
Language: C++

#include <bits/stdc++.h>
#define FAST_IO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long int

using namespace std;

void code()
{
        int n;
        int s;
        int c;
        int z;
        cin>>n>>s>>c>>z;
        int nd=z-n,sd=nd-s,sum=0;
        if(nd<0)
                cout<<z<<endl;
        else if(nd>=0)
                sum+=n;
        if(s>nd || s<=nd )
                sum+=0;
        else if (sd=<0)
                cout<<sum<<endl;
        else if(sd>0)
        {cout<<sum+=(sd* -1);}


}
signed main()

{
        FAST_IO;
        int t = 1;

        // cin>>t;

        while(t--)
        {
                code();
        }

        return 0;
}


Compiler output:
a.cc: In function 'void code()':
a.cc:21:21: error: expected primary-expression before '<' token
   21 |         else if (sd=<0)
      |                     ^
a.cc:24:19: error: no match for 'operator+=' (operand types are 'std::basic_ostream<char>::__ostream_type' {aka 'std::basic_ostream<char>'} and 'long long int')
   24 |         {cout<<sum+=(sd* -1);}
      |          ~~~~~~~~~^~~~~~~~~~
Language: C++

void code()
{
        int n;
        int s;
        int c;
        int z;
        cin>>n>>s>>c>>z;
        int nd=z-n,sd=nd-s,sum=0;
        if(nd<0)
                cout<<z<<endl;
        else if(nd>=0)
                sum+=n;
        if(s>nd || s<=nd)
                sum+=0;
        if(sd>=0)
                sum+=(sd* -1);
        cout<<sum<<endl;

}

Compiler output:
a.cc: In function 'void code()':
a.cc:7:9: error: 'cin' was not declared in this scope
    7 |         cin>>n>>s>>c>>z;
      |         ^~~
a.cc:10:17: error: 'cout' was not declared in this scope
   10 |                 cout<<z<<endl;
      |                 ^~~~
a.cc:10:26: error: 'endl' was not declared in this scope; did you mean 'nd'?
   10 |                 cout<<z<<endl;
      |                          ^~~~
      |                          nd
a.cc:17:9: error: 'cout' was not declared in this scope
   17 |         cout<<sum<<endl;
      |         ^~~~
a.cc:17:20: error: 'endl' was not declared in this scope; did you mean 'nd'?
   17 |         cout<<sum<<endl;
      |                    ^~~~
      |                    nd
Language: Java

import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int A = sc.nextInt();
    int B = sc.nextInt();
    int C = sc.nextInt();
    int D = sc.nextInt();
    sc.close();
    
    int result = 0;
    
     for(int i = 0; i < D; int++){
       if (A > 0){
         result += 1;
         A -= 1;
       } else if ( B > 0){
         B -= 1;
       } else {
         result -= 1;
         C -= 1;
       }
     }
    System.out.println(result);
  } 
}

Compiler output:
Main.java:14: error: '.class' expected
     for(int i = 0; i < D; int++){
                              ^
1 error
Language: C++

#include<iostream>
using namesapce std;
int main(){
  int a,b,c,k;
  cin>>a>>b>>c>>k;
  int ans;
  if(k<a){
    ans=k;
  }else if(k<a+b){
    ans=a;
  }else{
    ans=a+(k-a-b);
  }
  cout<<ans<<endl;
  return 0;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namesapce'
    2 | using namesapce std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin>>a>>b>>c>>k;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:14:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   14 |   cout<<ans<<endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:14:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   14 |   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>
#include <string.h>

//if文多くてコード汚いのどうにかしたいけれど、そんな技術は生憎持ち合わせていない

int main(){
  int a,b,c,k
  scanf("%d%d%d%d",&a,&b,&c,&k);
  
  int max = 0;
  for(int i=k; i>0; i--){
    if(a>0){
      max += 1;
      a--;
    }else{
      if(b>0){
        max += 0;
        b--;
      }else{
        if(c>0){
          max -= 1;
          c--;
        }
      }
    }
  }
  printf("%d",max);
}

Compiler output:
main.c: In function 'main':
main.c:8:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    8 |   scanf("%d%d%d%d",&a,&b,&c,&k);
      |   ^~~~~
main.c:11:13: error: 'k' undeclared (first use in this function)
   11 |   for(int i=k; i>0; i--){
      |             ^
main.c:11:13: note: each undeclared identifier is reported only once for each function it appears in
Language: Java

class main{
public static void main(String[] args){
int a = 1 ;
int b = 0;
int c = -1;
 
int total;
 
while ( total <= 2000000000) {
total =  total + a  + b + c;
}
System.out.println( total);
}
}

Compiler output:
Main.java:9: error: variable total might not have been initialized
while ( total <= 2000000000) {
        ^
1 error
Language: Java

ソースコード 拡げる
Copy
Copy
class main{
public static void main(String[] args){
int a = 1 ;
int b = 0;
int c = -1;
 
int total;
 
while ( total <= 2000000000) {
total =  total + a  + b + c;
}
System.out.println( total);
}
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
?????? ???
^
1 error
Language: Java

class main{
public static void main(String[] args){
int a = 1 ;
int b = 0;
int c = -1;
 
int total;
 
while( total <= 2000000000){
total = a  + b + c;
}
}
}

Compiler output:
Main.java:9: error: variable total might not have been initialized
while( total <= 2000000000){
       ^
1 error
Language: Java

class main{
public static void main(String[] args){
int a = 1 ;
int b = 0;
int c = -1;

int total;

while( total>=0){
total = a  + b + c;
}
}
}
 

Compiler output:
Main.java:9: error: variable total might not have been initialized
while( total>=0){
       ^
1 error
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main()
{
    ll A, B, C, K;
    cin >> A >> B >> C >> K;
    ll result = 0;

    if (K <= A) {
        result = K
    } else if (K <= A + B) {
        result = A;
    } else {
        result = A - (K - A - B);
    }
    cout << result;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:19: error: expected ';' before '}' token
   13 |         result = K
      |                   ^
      |                   ;
   14 |     } else if (K <= A + B) {
      |     ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll, ll>
#define rep(i, n) for(ll i = 0; i < (ll)n; i++)

int main() {
  int a, b, c, k;
  cin >> a >> b >> c >> k;
  if(k <= a) cout << k << endl;
  else if(k <= a + b) cout << a << endl;
  else cout << a - (k - a - b) << endl;
  return 0;
}

Compiler output:
a.cc:4:11: error: two or more data types in declaration of 'type name'
    4 | using P = pair<ll, ll>
      |           ^~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>

using namespace std;
#define MOD 1e9
typedef long long ll;

int a, b, c, k;

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

  cin>>a>>b>>c>>k;

  if(k <= a) cout<<k;
  else if(k <= a + b) cout<<a;
  else cout<<(2*a + b - k));

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:27: error: expected ';' before ')' token
   17 |   else cout<<(2*a + b - k));
      |                           ^
      |                           ;
Language: C++

#include<bits/stdc++.h>

using namespace std;
#define MOD 1e9
typedef long long ll;

ll a, b, c, k;

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

  cin>>a>>b>>c>>k;
  if(k <= a) cout<<k<<endl; return 0;
  else if(k <= a + b) cout<<a<<endl; return 0;
  else cout<<(k - b)<<endl; return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:3: error: 'else' without a previous 'if'
   15 |   else if(k <= a + b) cout<<a<<endl; return 0;
      |   ^~~~
a.cc:16:3: error: 'else' without a previous 'if'
   16 |   else cout<<(k - b)<<endl; return 0;
      |   ^~~~
Language: Java

import java.util.Arrays;
import java.util.Collections;
import java.util.Scanner;

public class main {
		public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int C = sc.nextInt();
		int K = sc.nextInt();

		Integer D[] = new Integer[A + B + C - 1];

		for (int i = 0; i < A - 1; i++) {
			D[i] = -1;

		}

		for (int i = A - 1; i < A + B - 1; i++) {
			D[i] = 0;

		}

		for (int i = A + B - 1; i < A + B + C - 1; i++) {
			D[i] = 1;

		}
		Arrays.sort(D, Collections.reverseOrder());
		
		int sum = 0;
		for (int i = 0; i < K - 1; i++) {
			 sum +=  D[i];
		}
		System.out.println(sum);
	}

}


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

#include<bits/stdc++.h>
using namespace std;
int main() 
{
	int a,b,c,k;
	cin>>a>>b>>c>>k;
	if(k<=a)
      cout<<k<<endl;
  	else if(k<=a+b)
      cout<<a<<endl;
  	else 
      cout<<a- (k-a-b) <<endl;
  	return0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'return0' was not declared in this scope
   13 |         return0;
      |         ^~~~~~~
Language: Java

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
    Scanner input=new Scanner(System.in);
    int a=input.nextInt();
    int b=input.nextInt();
    int c=input.nextInt();
    int k=input.nextInt();
    int result=0;
    if(k<=a){
    result+=k;
    System.out.print(result);
    }
    else if(k<=a+b){
    System.out.print(a)
    }
    else {
    result=2*a+b-k;
    System.out.print(result);
    }
    }
}

Compiler output:
Main.java:15: error: ';' expected
    System.out.print(a)
                       ^
1 error
Language: Java

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
    Scanner input=new Scanner(System.in);
    int a=input.nextInt();
    int b=input.nextInt();
    int c=input.nextInt();
    int k=input.nextInt();
    int result=0;
    if(k<=a){
    result+=k;
    System.out.print(result);
    }
    else if(k<=a+b){
    System.out.print(result)
    }
    else {
    result-=(k-a-b);
    System.out.print(result);
    }
    }
}

Compiler output:
Main.java:15: error: ';' expected
    System.out.print(result)
                            ^
1 error
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for(int i = 0; i < (n); i++)
#define REP1(i, n) for(int i = 1; i <= (n); i++)
#define REPD(i,a,b) for (int i=(a);i<(b);i++)
#define ALL(v) (v).begin(), (v).end()
using namespace std;
typedef long long ll;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef set<int> si;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef pair<int, int> pi;
typedef queue<int> qi;
typedef queue<pi> qpi;
typedef pair<ll, ll> pll;
typedef queue<pll> qpll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const int mod = 1000000007;
const int INF = 1001001001;
// 小数点　<< fixed << setprecision(0) <<
// sort降順　sort(ALL(),greater<int>());
// 円周率　M_PI
// 文字判定　isupper islower
// 順列　do {} while(next_permutation(ALL(X)));
// 最大値　LLONG_MAX
// a内でx以上　auto iter = lower_bound(ALL(a), x);
// a内でxより大きい　auto iter = upper_bound(ALL(a), x);
int dx[8] = {1, 0, -1, 0, 1, 1, -1, -1};
int dy[8] = {0, 1, 0, -1, 1, -1, 1, -1};
struct edge {
    int from; //出発点
    int to;   //到達点
    int cost; //移動コスト
};
typedef struct edge se;
typedef vector<edge> ve;
unsigned euclidean_gcd(unsigned a, unsigned b) {
  if(a < b) return euclidean_gcd(b, a);
  unsigned r;
  while ((r=a%b)) {
    a = b;
    b = r;
  }
  return b;
}

int main() {
  int a.b.c.k;
  cin >> a >> b >> c >> k;
  int ans=0;
  if(k<=a) {
    ans=k;
  } else if(a<k&&k<=a+b) {
    ans=a;
  } else {
    ans=a-(k-a-b);
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:8: error: expected initializer before '.' token
   53 |   int a.b.c.k;
      |        ^
a.cc:54:10: error: 'a' was not declared in this scope
   54 |   cin >> a >> b >> c >> k;
      |          ^
a.cc:54:15: error: 'b' was not declared in this scope; did you mean 'vb'?
   54 |   cin >> a >> b >> c >> k;
      |               ^
      |               vb
a.cc:54:20: error: 'c' was not declared in this scope
   54 |   cin >> a >> b >> c >> k;
      |                    ^
a.cc:54:25: error: 'k' was not declared in this scope
   54 |   cin >> a >> b >> c >> k;
      |                         ^
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<int,int>

int main() {
    int a,b,c,k;
    cin >> a >> b >> c >> k;
    if (a+b < k) cout << k+(-1)*(a+b-k) << "\n";
    else if (a < k) cout << a << "\n";
    else cout << k << "\n";
    return 0;
}

Compiler output:
a.cc:5:11: error: two or more data types in declaration of 'type name'
    5 | using p = pair<int,int>
      |           ^~~~~~~~~~~~~
Language: C++

#include<stdio.h>
int main()
{
	long a, b, c,k,r=0;
	char c;
	scanf("%ld %ld %ld %ld", &a, &b, &c,&k);
	scanf("%c", &c);
	if (k < a)
	{
		r = k - a;printf("%ld\n",r);
	}
	else if (k >= a && k <= a + b)
	{
		r = a;printf("%ld\n", a);
	}
	else if (k>a+b&&k<=a+b+c)
	{
		r = a - c + k;
         printf("%ld\n", r);
	}
	else if (k > a + b + c)
	{
		r = a - c;
		printf("%ld", c);
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:14: error: conflicting declaration 'char c'
    5 |         char c;
      |              ^
a.cc:4:20: note: previous declaration as 'long int c'
    4 |         long a, b, c,k,r=0;
      |                    ^
Language: C

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
using namespace std;
int main(){
  int a,b,c,k;
  cin >> a >> b >> c >> k;
  if (a>=k){
    cout << k << endl;
  }
  else if (a + b >= k) {
    cout << a << endl;
  }
  else if(a + b + c >= k){
    int n = k-(a+b);
    cout << a + (-1*n) << endl;
  }
}

Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
using namespcae std;
int main()
{
  string a,b;
  int i,c=0;
  cin >> a;
  cin >> b;
  if(a.length+1=b.length)
  {
    for(i=0;i<a.length+1;i++)
    {
      if(a[i]!=b[i])
      {
        printf("No")
          c++;
        break;
      }
    }
    if(c==0)
      printf("Yes");
  }
  else
    printf("No");
}
  


Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespcae'
    2 | using namespcae std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string a,b;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included 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:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin >> a;
      |   ^~~
      |   std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:10: error: 'a' was not declared in this scope
    7 |   cin >> a;
      |          ^
a.cc:8:10: error: 'b' was not declared in this scope
    8 |   cin >> b;
      |          ^
a.cc:15:21: error: expected ';' before 'c'
   15 |         printf("No")
      |                     ^
      |                     ;
   16 |           c++;
      |           ~
Language: C++

#include<iostream>
int main()
{
 int a,b,c,k,i;
 scanf("%d %d d %d",&a ,&b ,&c ,%k);
  if(k<=a){
    printf("%d",k);}
  else if(k<=a+b){
    printf("%d",a);}
  else{
    c=k-(a+b);
    i=a-c;
    printf("%d",i);}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:33: error: expected primary-expression before '%' token
    5 |  scanf("%d %d d %d",&a ,&b ,&c ,%k);
      |                                 ^