Submission #1043844

#	Time	Username	Problem	Language	Result	Execution time	Memory
1043844		aaaaaarroz	Comparing Plants (IOI20_plants)	C++17	14 / 100	4046 ms	13676 KiB

plants

    #include "plants.h"
    #include<bits/stdc++.h>
    using namespace std;
    int n, pos[100100],CA;
    vector<int> R;
    set<int> CD;
    void init(int k, std::vector<int> r) {
        R=r;
        n=r.size();
        for(int i=0;i<n;i++)
            if(!r[i])
                CD.insert(i);
        while(CD.size()){
            int bst=*CD.begin(),gp=*CD.begin()+n-*--CD.end();
            auto it=++CD.begin();
            while(it!=CD.end()){
                int G=*it-*prev(it);
                if(G>gp)
                    gp=G,bst=*it;
                it++;
            }
            pos[bst]=++CA;
            CD.erase(bst);
            for(int i=1;i<k;i++){
                int c=(bst+n-i)%n;
                if(!--R[c])
                    CD.insert(c);
            }
        }
    }
    int compare_plants(int x, int y) {
        return pos[x]<pos[y]?1:-1;
    }

• Subtask 1: 0 / 5
• Subtask 2: 14 / 14
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
• Subtask 6: 0 / 15
• Subtask 7: 0 / 25