제출 #254467

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
254467		MrRobot_28	Preokret (COCI19_preokret)	C++17	50 / 50	1 ms	384 KiB

preokret

#include <bits/stdc++.h>
                  
using namespace std;

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int a = 0;
	int b = 0;
	int n;
	cin >> n;
	int c1 = 1;
	vector <pair <int, int> > mass(n + 1);
	mass[0] = {0, 0};
	int c2 = 0;
	int count1 = 0, count2 = 0;
	for(int i = 0; i < n; i++)
	{
		int t;
		cin >> t;
		if(t == 1)
		{
			count1++;
			count2 = 0;
		}
		else
		{
			count1 = 0;
			count2++;
		}
		if(t == 1)
		{
			a++;
		}
		else
		{
			b++;
		}
		if(a == b)
		{
			c1++;
		}
		if(count1 != 0 && mass[i + 1 - count1].first < mass[i + 1 - count1].second &&a > b)
		{
			c2 = max(c2, count1);
		}
		if(count2 != 0 && mass[i + 1 - count2].first > mass[i + 1 - count2].second && a < b)
		{
			c2 = max(c2, count2);
		}
		mass[i + 1] = {a, b};
	}
	cout << a << " " << b << "\n";
	cout << c1 << "\n";
	cout << c2 << "\n";
	return 0;
}

• Subtask 1: 50 / 50