Submission #314514

#	Time	Username	Problem	Language	Result	Execution time	Memory
314514		CodeKracker	Carnival Tickets (IOI20_tickets)	C++14	27 / 100	738 ms	51448 KiB

tickets

/*input

*/
/**
    Author: Kristopher Paul
    Date Created: 30-09-2020
**/
#include<bits/stdc++.h>
#include<stdio.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
//#define int ll
#define pb push_back
#define INF 1e18
//#define MOD 1000000007
#define MOD 998244353
#define mp make_pair
const double PI=3.141592653589793238462643383279502884197169399375105820974944;
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define umap map
#define pii pair<int,int>
#define F first
#define S second
#define mii map<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define itr :: iterator it
#define all(v) v.begin(),v.end()
#define WL(t) while(t--)
#define gcd(a,b) __gcd((a),(b))
#define lcm(a,b) ((a)*(b))/gcd((a),(b))
#define out(x) cout << #x << " is " << x << endl
#define FastIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;

//Uncomment for File I/O
//ifstream fin("input.in")

//using namespace __gnu_pbds;

//typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> pbds; // set
//typedef tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> pbds; // multiset

int ModExp(int x,int y,int m){
    int res = 1;
    x = x % m;
    while (y > 0)
    {
        if (y & 1)
            res = (res*x) % m;

        y = y>>1;
        x = (x*x) % m;
    }
    return res;
}

void allocate_tickets(vector<vi> s);

long long find_maximum(int k,vector<vi> x){
    int n = x.size();
    int m = x[0].size();
    int mn[n];
    int mx[n];
    long long ans = 0;
    priority_queue<pii> pq;
    FOR(i,0,n){
        int tmn = 1e9;
        int tmx = -1e9;
        FOR(j,0,m){
            remin(tmn,x[i][j]);
            remax(tmx,x[i][j]);
        }
        mn[i] = tmn;
        mx[i] = tmx;
        ans += mx[i];
        pq.push({(-tmn-tmx),i});
    }
    bool ismn[n] = {};
    int todo = n/2;
    while(!pq.empty() && todo > 0){
        ans += pq.top().F;
        ismn[pq.top().S] = true;
        todo--;
        pq.pop();
    }
    vector<vi> res(n,vi(m,-1));
    FOR(i,0,n){
        FOR(j,0,m){
            if(x[i][j] == mx[i] && ismn[i] == false){
                res[i][j] = 0;
                break;
            }
            if(x[i][j] == mn[i] && ismn[i] == true){
                res[i][j] = 0;
                break;
            }
        }
    }
    allocate_tickets(res);
    return ans;
}

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