Language: C++

// Aaradhya Beri
#pragma GCC optimze("Ofast")
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define pb push_back
#define fi first
#define se second
typedef long long ll;
typedef long double f80;
#define double long double
#define pii pair<int,int>
#define pll pair<ll,ll>
#define sz(x) ((long long)x.size())
#define fr(a,b,c) for(int a=b; a<=c; a++)
#define rep(a,b,c) for(int a=b; a<c; a++)
#define trav(a,x) for(auto &a:x)
#define all(con) con.begin(),con.end()
#define w(x) int x; cin>>x; while(x--)
const ll infl=0x3f3f3f3f3f3f3f3fLL;
const int infi=0x3f3f3f3f;
//const int mod=998244353;
const int mod=1000000007;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<bool> vb;

int powm(int a, int b) {
    int res=1;
    while(b) {
        if(b&1)
            res=(res*a)%mod;
        a=(a*a)%mod;
        b>>=1;
    }
    return res;
}
 

signed main() {
    ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
    cout<<fixed<<setprecision(8);
    ll a,b,c,k;
    cin>>a>>b>>c>>k;
    if(a >= k)
        cout<<a<<endl;
    else if(a+b >= k)
        cout<<a<<endl;
    else if(a+b+c >= k)
        cout<<max((a-c),0)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:50:18: error: no matching function for call to 'max(ll, int)'
   50 |         cout<<max((a-c),0)<<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:3:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:50:18: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   50 |         cout<<max((a-c),0)<<endl;
      |               ~~~^~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:50:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   50 |         cout<<max((a-c),0)<<endl;
      |               ~~~^~~~~~~~~