Language: C++


#include<bits/stdc++.h>


using namespace std;

typedef long long ll;

#define pi 2*acos(0.0)
#define eps 1e-9
const int N = 10000000;
bool isprime[N+1];

void sieve()
{
    memset(isprime,true,sizeof(isprime));
    isprime[0]=isprime[1]=false;

    for(ll i=2; i*i<=N; i++)
    {
        if(isprime[i])
        {
            for(ll j=i*i; j<=N; j+=i)
            {
                isprime[j]=false;
            }
        }
    }
}
int main(void)
{
    //ios_base::sync_with_stdio(false);
    //cin.tie(0);
    //cout.tie(0);


    int n,m,k;
    cin>>n>>m>>k;
    ll A[n],B[m];
    for(int i=0;i<n;i++)
    {
        cin>>A[i];
    }
    for(int i=0;i<m;i++)
    {
        cin>>B[i];
    }
    ll prefA[n];
    ll prefB[m];
    prefA[0]=A[0];
    prefB[0]=B[0];

    for(int i=1;i<n;i++)
    {
        prefA[i] = A[i]+prefA[i-1];
    }
    for(int i=1;i<m;i++)
    {
        prefB[i] = B[i]+prefB[i-1];
    }

    ll time = 0;
    int i;
    for(i=0;i<n;i++)
    {
        if(prefA[i]>k)
        {

            break;
        }


    }
    i--;
    int ans = i+1;
    for(;i>=0;i--)
    {
        time = k - prefA[i];
        ll*x = upper_bound(prefB,prefB+m,time);
        ans = max(i+1 + x-prefB,ans);

    }
    cout<<ans<<endl;






}




Compiler output:
a.cc: In function 'int main()':
a.cc:80:18: error: no matching function for call to 'max(long int, int&)'
   80 |         ans = max(i+1 + x-prefB,ans);
      |               ~~~^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:2:
/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:80:18: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   80 |         ans = max(i+1 + x-prefB,ans);
      |               ~~~^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:80:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   80 |         ans = max(i+1 + x-prefB,ans);
      |               ~~~^~~~~~~~~~~~~~~~~~~