Language: C++


#include <iostream>
#include <algorithm>
using namespace std;

const int MAX = 1000;
const int VMAX = 100000;

int solve(){
    int ans = 0;
    bool V[MAX];
    for (int i = 0; i < n ; ++i) {
        B[i] = A[i];
        v[i] = false;
    }
    sort (B,B+n);
    for (int i = 0; i < n ; ++j) T[B[i]] = i;
    for (int i = 0; i < n ; ++i) {
        if(V[i]) continue;
        int cur = i, S = 0, m = VMAX,an =0;
        while(1){
            V[cur] = true;
            an ++;
            long v = A[cur];
            m = min (m,v);
            s += v;
            cur = T[v];
            if(V[cur]) break;
        }
        ans += min(S + (an -2) *m ,m + S + (an + 1)*s);
    }
    return ans;
}

int main (){
    cin >> n;
    s = VMAX;
    for (int i = 0; i < n ; ++i) {
        cin >> A[i];
        s = min(s,A[i]);
    }
    int ans = solve();
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int solve()':
a.cc:12:25: error: 'n' was not declared in this scope
   12 |     for (int i = 0; i < n ; ++i) {
      |                         ^
a.cc:13:9: error: 'B' was not declared in this scope
   13 |         B[i] = A[i];
      |         ^
a.cc:13:16: error: 'A' was not declared in this scope
   13 |         B[i] = A[i];
      |                ^
a.cc:14:9: error: 'v' was not declared in this scope
   14 |         v[i] = false;
      |         ^
a.cc:16:11: error: 'B' was not declared in this scope
   16 |     sort (B,B+n);
      |           ^
a.cc:16:15: error: 'n' was not declared in this scope
   16 |     sort (B,B+n);
      |               ^
a.cc:17:31: error: 'j' was not declared in this scope
   17 |     for (int i = 0; i < n ; ++j) T[B[i]] = i;
      |                               ^
a.cc:17:34: error: 'T' was not declared in this scope
   17 |     for (int i = 0; i < n ; ++j) T[B[i]] = i;
      |                                  ^
a.cc:24:22: error: 'A' was not declared in this scope
   24 |             long v = A[cur];
      |                      ^
a.cc:25:21: error: no matching function for call to 'min(int&, long int&)'
   25 |             m = min (m,v);
      |                 ~~~~^~~~~
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:2:
/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:25:21: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long int')
   25 |             m = min (m,v);
      |                 ~~~~^~~~~
/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:3:
/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:25:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |             m = min (m,v);
      |                 ~~~~^~~~~
a.cc:26:13: error: 's' was not declared in this scope
   26 |             s += v;
      |             ^
a.cc:27:19: error: 'T' was not declared in this scope
   27 |             cur = T[v];
      |                   ^
a.cc:30:53: error: 's' was not declared in this scope
   30 |         ans += min(S + (an -2) *m ,m + S + (an + 1)*s);
      |                                                     ^
a.cc: In function 'int main()':
a.cc:36:12: error: 'n' was not declared in this scope
   36 |     cin >> n;
      |            ^
a.cc:37:5: error: 's' was not declared in this scope
   37 |     s = VMAX;
      |     ^
a.cc:39:16: error: 'A' was not declared in this scope
   39 |         cin >> A[i];
      |                ^