Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for(ll i = 0; i < (ll)n; i++)
#define FOR(i, a, b) for(ll i = (a); i < (ll)b; i++)
#define ALL(obj) (obj).begin(), (obj).end()
#define INF (1ll << 60)
#define sz(x) int(x.size())
using namespace std;
typedef long long ll;
using vl = vector<ll>;
using vvl = vector<vl>;
typedef double db;
typedef string str;
typedef pair<ll, ll> p;
constexpr int MOD = 1000000007;
using ll = long long;
template <class T> inline bool chmin(T &a, T b) {
    if(a > b) {
        a = b;
        return true;
    }
    return false;
}
template <class T> inline bool chmax(T &a, T b) {
    if(a < b) {
        a = b;
        return true;
    }
    return false;
}

void print(const std::vector<int> &v) {
    std::for_each(v.begin(), v.end(), [](int x) { std::cout << x << " "; });
    std::cout << std::endl;
}

int main() {
    int N;
    cin >> N;
    // Nがかなり小さい
    vector<int> D(N);
    vector<int> F(N);
    REP(i, N) {
        cin >> D[i];
        F[i] = 24 - D[i];
    }
    ll ans = INF;
    for(int i = 0; i < N; i++) {
        for(int j = 0; j < N; j++) {
            if(i == j) {
                continue;
            } else {
                ans = min(ans, abs(D[i] - F[i]));
                ans = min(ans, abs(D[i] - D[j]);
                ans = min(ans, abs(F[i] - F[j]);
                ans = min(ans, abs(F[i] - D[j]);
            }
        }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:52:26: error: no matching function for call to 'min(ll&, int)'
   52 |                 ans = min(ans, abs(D[i] - F[i]));
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~
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: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:52:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   52 |                 ans = min(ans, abs(D[i] - F[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:
/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:52:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   52 |                 ans = min(ans, abs(D[i] - F[i]));
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~
a.cc:53:48: error: expected ')' before ';' token
   53 |                 ans = min(ans, abs(D[i] - D[j]);
      |                          ~                     ^
      |                                                )
a.cc:54:48: error: expected ')' before ';' token
   54 |                 ans = min(ans, abs(F[i] - F[j]);
      |                          ~                     ^
      |                                                )
a.cc:55:48: error: expected ')' before ';' token
   55 |                 ans = min(ans, abs(F[i] - D[j]);
      |                          ~                     ^
      |                                                )