Submission #1208371

#	Time	Username	Problem	Language	Result	Execution time	Memory
1208371		m5588ohammed	Biochips (IZhO12_biochips)	C++20	Compilation error	0 ms	0 KiB

biochips

#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
#define mod 1000000007
int dp[200001][501],dp2[200001][501],leafs[200001],n,m,arr[200001];
vector <array<int,2>> v[200001];
int rt;
int solve(int last,int i,int k){
    if(dp2[i][k]!=-1) return dp2[i][k];
    int idx=v[last][i][0];
    if(i==v[last].size()-1){
        if(k>leafs[idx]) return dp2[i][k]=-1e9;
        else return dp2[i][k]=dp[idx][k];
    } 
    int ans=0;
    for(int j=0;j<=min(k,leafs[idx]);j++){
        ans=max(ans,solve(last,i+1,k-j)+dp[idx][j]);
    } 
    //exit(0);
    return dp2[i][k]=ans;
}  
void build(int i){
    if(v[i].size()==0){
        leafs[i]=1;
        return;
    }
    for(auto [j,c]:v[i]){
        build(j);
        leafs[i]+=leafs[j];
    }
    return;
}
void calc(int i){
    for(auto [j,lef]:v[i]) calc(j);
    for(int k=0;k<=max(1ll,leafs[i]);k++){
        if(k==1) dp[i][k]=arr[i];
        if(v[i].size()!=0) dp[i][k]=max(dp[i][k],solve(i,0,k));
        //cout<<i<<" "<<k<<" "<<dp[i][k]<<endl;
    }
    memset(dp2,-1,sizeof dp2);
    return;
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    memset(dp2,-1,sizeof dp2);
    cin>>n>>m;
    for(int i=1;i<n;i++){
        int p;
        cin>>p>>arr[i];
        if(p==0) rt=i;
        else v[p].push_back({i,0});
    }
    build(rt);
    for(int i=1;i<=n;i++){
        for(int j=0;j<v[i].size();j++) v[i][j][1]=leafs[v[i][j][0]];
        sort(v[i].begin(),v[i].end());
        // cout<<i<<":"<<endl;
        // for(auto [j,lef]:v[i]) cout<<j<<" "<<lef<<endl;
    }
    calc(rt);
    cout<<dp[rt][m]<<endl;
}

Compilation message (stderr)

biochips.cpp: In function 'void calc(int)':
biochips.cpp:35:23: error: no matching function for call to 'max(long long int, int&)'
   35 |     for(int k=0;k<=max(1ll,leafs[i]);k++){
      |                    ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from biochips.cpp:1:
/usr/include/c++/11/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++/11/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
biochips.cpp:35:23: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   35 |     for(int k=0;k<=max(1ll,leafs[i]);k++){
      |                    ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from biochips.cpp:1:
/usr/include/c++/11/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++/11/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
biochips.cpp:35:23: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   35 |     for(int k=0;k<=max(1ll,leafs[i]);k++){
      |                    ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from biochips.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3461 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note:   template argument deduction/substitution failed:
biochips.cpp:35:23: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   35 |     for(int k=0;k<=max(1ll,leafs[i]);k++){
      |                    ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from biochips.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3467 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note:   template argument deduction/substitution failed:
biochips.cpp:35:23: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   35 |     for(int k=0;k<=max(1ll,leafs[i]);k++){
      |                    ~~~^~~~~~~~~~~~~~