Submission #681494

#	Time	Username	Problem	Language	Result	Execution time	Memory
681494		coding_snorlax	Let's Win the Election (JOI22_ho_t3)	C++14	10 / 100	1 ms	312 KiB

Main

 #include<bits/stdc++.h>
using namespace std;
vector<int> List;
vector<int> List2;
int N,K,tmp,tmp2;
int main(){
    cin>>N>>K;
    for(int i=1;i<=N;i++){
        cin>>tmp>>tmp2;
        if(tmp2==-1) List.push_back(tmp);
        else List2.push_back(tmp2);
    }
    sort(List.begin(),List.end());
    sort(List2.begin(),List2.end());
    double answer = 0;
    double Min = 10000000000;
    for(int i=0;i<=(int)List2.size();i++){
        answer = 0;
        if(((int)List.size()+i)<K) continue;
        for(int j=0;j<i;j++){
            answer += (double)List2[j]/(j+1);
        }
        for(int j=0;j<K-i;j++){
            answer += (double)List[j]/(i+1);
            //cout<<answer;
        }
        //cout<<answer<<"\n";
        Min = min(Min,answer);
    }
    cout<<Min;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 11
• Subtask 4: 0 / 12
• Subtask 5: 0 / 33
• Subtask 6: 0 / 11
• Subtask 7: 0 / 23