Submission #167411

#	Time	Username	Problem	Language	Result	Execution time	Memory
167411		theStaticMind	Kralj (COCI16_kralj)	C++14	56 / 140	2073 ms	79864 KiB

kralj

#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;

int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
   //   freopen("q.gir","r",stdin);
   //   freopen("q.cik","w",stdout);
      int n,ans=0;
      cin>>n;
      vector<int>A(n);
      vector<int>P(n);
      vector<int>V(n);
      vector<int>cnt(n,0);
      vector<int>ptr(n);
      for(int i=0;i<n;i++){
            cin>>A[i];A[i]--;
            cnt[A[i]]++;
            ptr[i]=i;
      }
      for(int i=0;i<n;i++){
            if(cnt[i]==0)continue;
            int c=cnt[i];
            int ind=i;
            while(c>0){
                  c--;
                  if(c==0)break;
                  ind++;
                  while(ptr[ind%n]!=ind%n)ind=ptr[ind%n];
                  c+=cnt[(ind)%n];
            }
            ptr[i]=(ind+1)%n;
            if(i<ptr[i])
            i=ptr[i];
            else break;
      }
      int mx=0,ind=-1;
      for(int i=0;i<n;i++){
            if(cnt[i]==0)continue;
            if(ptr[i]<=i){
                  if(mx<ptr[i]+n-i){
                        mx=ptr[i]+n-i;
                        ind=i;
                  }
            }
            else if(mx<ptr[i]-i){
                  mx=ptr[i]-i;
                  ind=i;
            }
      }
      for(int i=0;i<n;i++)cin>>P[i];
      for(int i=0;i<n;i++)cin>>V[i];
      multiset<int> data[n];
      for(int i=0;i<n;i++){
            data[A[i]].insert(V[i]);
      }
      for(int k=0;k<n;k++,ind=(ind+1)%n){
            multiset<int>::iterator itr=data[ind].upper_bound(P[ind]);
            if(itr==data[ind].end()){
                  data[ind].erase(data[ind].begin());
            }
            else{
                  data[ind].erase(itr);
                  ans++;
            }
            int y=(ind+1)%n;
            if(data[ind].size()>data[y].size())swap(data[ind],data[y]);
            for(itr=data[ind].begin();itr!=data[ind].end();itr++){
                  data[y].insert(*itr);
            }
      }
      cout<<ans;
}

• Subtask 1: 56 / 140