Submission #656495

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
656495	2022-11-07T15:58:42 Z	Do_you_copy	Biochips (IZhO12_biochips)	C++17	Compilation error	0 ms	0 KB

biochips

/*
    Procrastination is the art of keeping up with yesterday
*/
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define faster ios_base::sync_with_stdio(0); cin.tie(0);

using namespace std;
using ll = long long;
using ld = long double;
using pii = pair <int, int>;
mt19937_64 Rand(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 2e5 + 10;
//const int Mod = 1e9 + 7;
//const int inf =
int n, m;
int root;
vector <int> adj[maxN];
ll dp[maxN][502];
int sz[maxN];
ll tem[502];
int a[maxN];
void dfs(int u = root){
    sz[u] = 1;
    memset(tem, 0, sizeof(tem));
    for (int v: adj[u]){
        dfs(v);
        for (int i = 0; i <= min(m, sz[u]); ++i){
            for (int j = 0; j <= min(m - i, sz[v]); ++j){
                tem[i + j] = max(tem[i + j], dp[u][i] + dp[v][j]);
            }
        }
        sz[u] += sz[v];
        for (int i = 1; i <= min(m, sz[u]); ++i) dp[u][i] = tem[i];
    }
    dp[u][1] = max(dp[u][1], a[u]);
}


void Init(){
    cin >> n >> m;
    for (int i = 1; i <= n; ++i){
        int x; cin >> x >> a[i];
        if (x) adj[x].pb(i);
        else root = i;
    }
    dfs();
    cout << dp[root][m];
}

#define debug
#define taskname "test"
signed main(){
    faster
    if (fopen(taskname".inp", "r")){
        freopen(taskname".inp", "r", stdin);
        freopen(taskname".out", "w", stdout);
    }
    int tt = 1;
    //cin >> tt;
    while (tt--){
        Init();
    }
    if (fopen("timeout.txt", "r")){
        ofstream timeout("timeout.txt");
        timeout << signed(double(clock()) / CLOCKS_PER_SEC * 1000);
        timeout.close();
        #ifndef debug
        cerr << "Time elapsed: " << signed(double(clock()) / CLOCKS_PER_SEC * 1000) << "ms\n";
        #endif // debug
    }
}

Compilation message

biochips.cpp: In function 'void dfs(int)':
biochips.cpp:38:34: error: no matching function for call to 'max(ll&, int&)'
   38 |     dp[u][1] = max(dp[u][1], a[u]);
      |                                  ^
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 biochips.cpp:4:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
biochips.cpp:38:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   38 |     dp[u][1] = max(dp[u][1], a[u]);
      |                                  ^
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 biochips.cpp:4:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
biochips.cpp:38:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   38 |     dp[u][1] = max(dp[u][1], a[u]);
      |                                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from biochips.cpp:4:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
biochips.cpp:38:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   38 |     dp[u][1] = max(dp[u][1], a[u]);
      |                                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from biochips.cpp:4:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
biochips.cpp:38:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   38 |     dp[u][1] = max(dp[u][1], a[u]);
      |                                  ^
biochips.cpp: In function 'int main()':
biochips.cpp:58:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
biochips.cpp:59:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |         freopen(taskname".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~