Language: C++

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

signed int main(){
    int n;
    cin >> n;
    int a[n+1], b[n];
    for(int i = 0; i < n+1; i++){
        cin >> a[i];
    }
    for(int i = 0; i < n; i++){
        cin >> b[i];
    }
    int sum = 0;
    for(int i = 0; i < n; i++){
        sum += min(a[i], b[i]);
        if(i == n-1){
            sum += min(max(b[i] - a[i], 0), a[n]);
            break;
        }
        b[i+1] += max(b[i] - a[i], 0);
    }
    cout << sum << endl;
}

Compiler output:
cc1plus: error: '::main' must return 'int'
a.cc: In function 'int main()':
a.cc:19:27: error: no matching function for call to 'max(long long int, int)'
   19 |             sum += min(max(b[i] - a[i], 0), a[n]);
      |                        ~~~^~~~~~~~~~~~~~~~
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:   template argument deduction/substitution failed:
a.cc:19:27: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   19 |             sum += min(max(b[i] - a[i], 0), a[n]);
      |                        ~~~^~~~~~~~~~~~~~~~
/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:19:27: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   19 |             sum += min(max(b[i] - a[i], 0), a[n]);
      |                        ~~~^~~~~~~~~~~~~~~~
a.cc:22:22: error: no matching function for call to 'max(long long int, int)'
   22 |         b[i+1] += max(b[i] - a[i], 0);
      |                   ~~~^~~~~~~~~~~~~~~~
/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:22:22: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   22 |         b[i+1] += max(b[i] - a[i], 0);
      |                   ~~~^~~~~~~~~~~~~~~~
/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
/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:22:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   22 |         b[i+1] += max(b[i] - a[i], 0);
      |                   ~~~^~~~~~~~~~~~~~~~