Submission #983712

#	Time	Username	Problem	Language	Result	Execution time	Memory
983712		irmuun	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	1 ms	856 KiB

tickets

#include<bits/stdc++.h>
#include "tickets.h"

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

ll find_maximum(int k,vector<vector<int>>x){
    auto s=x;
    int n=x.size();
    int m=x[0].size();
    if(m==1){
        ll ans=0;
        vector<ll>v;
        for(int i=0;i<n;i++){
            for(int j=0;j<m;j++){
                s[i][j]=0;
                v.pb(x[i][j]);
            }
        }
        sort(all(v));
        for(int j=n/2;j<n;j++){
            ans+=v[j];
        }
        for(int j=0;j<n/2;j++){
            ans-=v[j];
        }
        allocate_tickets(s);
        return ans;
    }
    return 0ll;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10