Language: C++

#include <iostream>
#include <algorithm>
#define MAX_N 100000

typedef long long ll;
using namespace std;

int n;
int a[MAX_N + 1], b[MAX_N];

void solve()
{
    ll res = 0, tmp = 0;
    for (int i = 0; i < n; i++)
    {
        // i番目の勇者が余力を残さないとき
        if (a[i] >= (b[i] + tmp))
        {
            res += b[i] + tmp;
            tmp = 0; // i+1番目に助太刀できない
        }
        else
        {
            res += a[i];
            tmp = min(b[i], min(a[i + 1], b[i] + tmp - a[i]));
        }
    }
    // n+1番目の街はn番目の勇者の余力で倒す
    res += tmp;

    cout << res << endl;
}

int main()
{
    cin >> n;
    for (int i = 0; i <= n; i++)
    {
        cin >> a[i];
    }
    for (int i = 0; i < n; i++)
    {
        cin >> b[i];
    }

    solve();
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:25:32: error: no matching function for call to 'min(int&, ll)'
   25 |             tmp = min(b[i], min(a[i + 1], b[i] + tmp - a[i]));
      |                             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:25:32: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   25 |             tmp = min(b[i], min(a[i + 1], b[i] + tmp - a[i]));
      |                             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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,
                 from a.cc:2:
/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:25:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |             tmp = min(b[i], min(a[i + 1], b[i] + tmp - a[i]));
      |                             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~