제출 #1118277

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1118277		smokieboi	Museum (CEOI17_museum)	C++17	컴파일 에러	0 ms	0 KiB

museum

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define nl '\n'
#define fu(i,a,b) for(int i=a; i<=b; i++)
#define fd(i,a,b) for(int i=a; i>=b; i--)
#define BIT(i, n) (((n)>>(i))&(1))
#define pii pair<int, int>
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define SZ(V) (int)(V.size())
#define pb push_back
#define eb emplace_back
#define NAME "quan"

int t,n,m,k,q;

const int N = 1e4 + 5;
const int MOD = 1e9 + 7;
const int inf = 2e9 + 7;

void add(int &a, int b) {a+=b; if(a>=MOD) a-=MOD;}
void sub(int &a, int b) {a-=b; if(a<0) a+=MOD;}

// dp[u][k][0/1] : số bước ít nhất để đi được k đỉnh ở subtree u và có quay lại u hay không

int sz[N];
int dp[N][N][2];
vector<pii> adj[N];
int root;

void dfs(int u, int p){
    dp[u][1][0] = dp[u][1][1] = 0;
    sz[u] = 1;
    for(pii it: adj[u]){
        int v = it.ff;
        int w = it.ss;
        if(v == p) continue;
        dfs(v, u);
        fd(i,sz[u],1)
            fd(j,sz[v],1){
                dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][1] + dp[v][j][0] + 1LL*w);
                dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][0] + dp[v][j][1] + 2LL*w);
                dp[u][i + j][1] = min(dp[u][i + j][1], dp[u][i][1] + dp[v][j][1] + 2LL*w);
            }
        sz[u] += sz[v];
    }
}

void nhap(){
    cin >> n >> k >> root;
    fu(i,1,n-1){
        int u,v,w;
        cin >> u >> v >> w;
        adj[u].eb(v, w);
        adj[v].eb(u, w);
    }
    memset(dp, 0x3f, sizeof dp);
    dfs(root, 0);
    cout << dp[root][k][0] << nl;
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    if(fopen(NAME".inp", "r")){
       freopen(NAME".inp", "r", stdin);
       freopen(NAME".out", "w", stdout);
    }
    nhap();
}

컴파일 시 표준 에러 (stderr) 메시지

museum.cpp: In function 'void dfs(int, int)':
museum.cpp:44:89: error: no matching function for call to 'min(int&, long long int)'
   44 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][1] + dp[v][j][0] + 1LL*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 museum.cpp:1:
/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:
museum.cpp:44:89: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   44 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][1] + dp[v][j][0] + 1LL*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 museum.cpp:1:
/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:
museum.cpp:44:89: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   44 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][1] + dp[v][j][0] + 1LL*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 museum.cpp:1:
/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:
museum.cpp:44:89: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   44 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][1] + dp[v][j][0] + 1LL*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 museum.cpp:1:
/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:
museum.cpp:44:89: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   44 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][1] + dp[v][j][0] + 1LL*w);
      |                                                                                         ^
museum.cpp:45:89: error: no matching function for call to 'min(int&, long long int)'
   45 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][0] + dp[v][j][1] + 2LL*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 museum.cpp:1:
/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:
museum.cpp:45:89: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   45 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][0] + dp[v][j][1] + 2LL*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 museum.cpp:1:
/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:
museum.cpp:45:89: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   45 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][0] + dp[v][j][1] + 2LL*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 museum.cpp:1:
/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:
museum.cpp:45:89: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   45 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][0] + dp[v][j][1] + 2LL*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 museum.cpp:1:
/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:
museum.cpp:45:89: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   45 |                 dp[u][i + j][0] = min(dp[u][i + j][0], dp[u][i][0] + dp[v][j][1] + 2LL*w);
      |                                                                                         ^
museum.cpp:46:89: error: no matching function for call to 'min(int&, long long int)'
   46 |                 dp[u][i + j][1] = min(dp[u][i + j][1], dp[u][i][1] + dp[v][j][1] + 2LL*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 museum.cpp:1:
/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:
museum.cpp:46:89: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   46 |                 dp[u][i + j][1] = min(dp[u][i + j][1], dp[u][i][1] + dp[v][j][1] + 2LL*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 museum.cpp:1:
/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:
museum.cpp:46:89: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   46 |                 dp[u][i + j][1] = min(dp[u][i + j][1], dp[u][i][1] + dp[v][j][1] + 2LL*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 museum.cpp:1:
/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:
museum.cpp:46:89: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   46 |                 dp[u][i + j][1] = min(dp[u][i + j][1], dp[u][i][1] + dp[v][j][1] + 2LL*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 museum.cpp:1:
/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:
museum.cpp:46:89: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   46 |                 dp[u][i + j][1] = min(dp[u][i + j][1], dp[u][i][1] + dp[v][j][1] + 2LL*w);
      |                                                                                         ^
museum.cpp: In function 'int main()':
museum.cpp:69:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |        freopen(NAME".inp", "r", stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
museum.cpp:70:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |        freopen(NAME".out", "w", stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~