Language: C++

#include <bits/stdc++.h>
using namespace std;
using Int = long long;
#define PUTS(x) cout << (x) << endl;
#define rep(i, n) for (int i = 0, i##_len = (int)(n); i < i##_len; i++)
#define reps(i, n) for (int i = 1, i##_len = (int)(n); i <= i##_len; i++)
#define PB push_back
#define perm(c)                   \
    sort((c).begin(), (c).end()); \
    for (bool c##p = 1; c##p; c##p = next_permutation((c).begin(), (c).end()))
int main() {
    const Int INF = 1e10;
    Int n, m, r;
    cin >> n >> m >> r;
    auto v = vector<Int>();
    rep(i, r) {
        Int x;
        cin >> x;
        x--;
        v.PB(x);
    }

    auto dp = vector<vector<Int>>(n, vector<Int>(n, INF));
    rep(i, n) {
        dp[i][i] = 0;
    }

    rep(i, m) {
        Int a, b, c;
        cin >> a >> b >> c;
        a--;
        b--;
        dp[a][b] = c;
        dp[b][a] = c;
    }

    rep(k, n) {
        rep(i, n) {
            rep(j, n) {
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
            }
        }
    }

    auto ans = INF;
    perm(v) {
        auto result = 0;
        reps(i, r - 1) {
            result += dp[v[i - 1]][v[i]];
        }
        ans = min(ans, result);
    }
    PUTS(ans);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:51:18: error: no matching function for call to 'min(long long int&, int&)'
   51 |         ans = min(ans, result);
      |               ~~~^~~~~~~~~~~~~
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:51:18: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   51 |         ans = min(ans, result);
      |               ~~~^~~~~~~~~~~~~
/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:51:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   51 |         ans = min(ans, result);
      |               ~~~^~~~~~~~~~~~~