Submission #647325

#	Time	Username	Problem	Language	Result	Execution time	Memory
647325		fatemetmhr	Cities (BOI16_cities)	C++17	Compilation error	0 ms	0 KiB

cities

//  ~ Be Name Khoda ~  //

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

#define pb       push_back
#define mp       make_pair
#define all(x)   x.begin(), x.end()
#define fi       first
#define se       second

const int maxn  =  1e6   + 10;
const int maxn5 =  1e5   + 10;
const int maxnt =  1.2e6 + 10;
const int maxn3 =  1e3   + 10;
const int mod   =  1e9   +  7;
const ll  inf   =  1e18;

vector <pair<int, int>> adj[maxn5];
ll dp[(1 << 5) + 1][maxn5];
int imp[maxn5], per[maxn5], cmpmask;

inline bool cmp(int i, int j){return dp[cmpmask][i] < dp[cmpmask][j];}

int main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);

    int n, k, m; cin >> n >> k >> m;
    for(int i = 0; i < k; i++){
        cin >> imp[i];
        imp[i]--;
    }
    for(int i = 0; i < m; i++){
        int a, b, c; cin >> a >> b >> c;
        a--; b--;
        if(a == b)
            continue;
        adj[a].pb({b, c});
        adj[b].pb({a, c});
    }

    for(int mask = 0; mask < (1 << k); mask++) for(int i = 0; i < n; i++)
        dp[mask][i] = inf;

    for(int i = 0; i < n; i++)
        dp[0][i] = 0;

    for(int i = 0; i < k; i++){
        dp[1 << i][imp[i]] = 0;
        for(auto [u, w] : adj[imp[i]])
            dp[1 << i][u] = min(dp[1 << i][u], w);
    }

    for(int i = 0; i < n; i++)
        per[i] = i;

    for(int mask = 0; mask < (1 << k); mask++){
        cmpmask = mask;
        sort(per, per + n, cmp);
        for(int i = 0; i < n; i++){
            int v = per[i];
            int nmask = (1 << k) - 1 - mask;
            for(int sub = nmask; sub; sub = (sub - 1) & nmask){
                dp[mask^sub][v] = min(dp[mask^sub][v], dp[mask][v] + dp[sub][v]);
            }
            for(auto [u, w] : adj[v])
                dp[mask][u] = min(dp[mask][u], dp[mask][v] + w);
        }
    }

    ll ans = inf;
    for(int i = 0; i < n; i++)
        ans = min(ans, dp[(1 << k) - 1][i]);
    cout << ans << endl;
}

Compilation message (stderr)

cities.cpp: In function 'int main()':
cities.cpp:55:49: error: no matching function for call to 'min(ll&, std::tuple_element<1, std::pair<int, int> >::type&)'
   55 |             dp[1 << i][u] = min(dp[1 << i][u], w);
      |                                                 ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from cities.cpp:3:
/usr/include/c++/10/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
cities.cpp:55:49: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::tuple_element<1, std::pair<int, int> >::type' {aka 'int'})
   55 |             dp[1 << i][u] = min(dp[1 << i][u], w);
      |                                                 ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from cities.cpp:3:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
cities.cpp:55:49: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::tuple_element<1, std::pair<int, int> >::type' {aka 'int'})
   55 |             dp[1 << i][u] = min(dp[1 << i][u], w);
      |                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from cities.cpp:3:
/usr/include/c++/10/bits/stl_algo.h:3468:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
cities.cpp:55:49: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   55 |             dp[1 << i][u] = min(dp[1 << i][u], w);
      |                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from cities.cpp:3:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
cities.cpp:55:49: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   55 |             dp[1 << i][u] = min(dp[1 << i][u], w);
      |                                                 ^