Submission #411097

#	Time	Username	Problem	Language	Result	Execution time	Memory
411097		kwongweng	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	2 ms	688 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define ms memset
#define pb push_back
#define F first
#define S second
ll MOD = 998244353;
 
ll power(ll base, ll n){
	if (n == 0) return 1;
	if (n == 1) return base;
	ll halfn = power(base, n/2);
	if (n % 2 == 0) return (halfn * halfn) % MOD;
	return (((halfn * halfn) % MOD) * base) % MOD;
}
 
ll inverse(ll n){
	return power(n, MOD-2);
}
 
ll add(ll a, ll b){
	return (a+b) % MOD;
}

ll mul(ll a, ll b){
	return (a*b) % MOD;
}

ll gcd(ll a, ll b){
	if (a == 0) return b;
	if (a == 1) return 1;
	return gcd(b % a, a);
}

ll find_maximum(int k, vector<vi> x) {
	int n = x.size();
	int m = x[0].size();
	vi a(n);
	vector<vi> ans;
	FOR(i, 0, n){
	    vi row(m);
	    ans.pb(row);
	    a[i] = x[i][0];
	}
	sort(a.begin(), a.end());
	ll cnt = 0;
	FOR(i, n/2, n) cnt += a[i] - a[i-n/2];
	allocate_tickets(ans);
	return cnt;
}

• 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