Submission #866412

#	Time	Username	Problem	Language	Result	Execution time	Memory
866412		vjudge1	Preokret (COCI19_preokret)	C++17	50 / 50	1 ms	456 KiB

preokret

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define sp << " " << 
#define int long long
#define vi vector<int>
#define pb push_back
#define F(xxx,yyy) for (int xxx=1;xxx<=yyy;xxx++)
#define pii pair<int,int>
#define ordered_set tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update>
const int N = 3e5+1;
const int MOD = 1e9+7;

void solve() {
	int n;
	cin >> n;
	int a = 0,b=0;
	int tie = 1;
	vi x(n+1);
	F(i,n) {
		cin >> x[i];
		if (x[i] == 1) a++;
		else b++;
		if (a == b) tie++;
	}
	cout << a sp b << endl;
	cout << tie << endl;
	int ans = 0;
	a = b = 0;
	for (int i=1;i<=n;i++) {
		int c = 0,d=0;
		for (int j=i;j<=n;j++) {
			if (x[j] == 1) c++;
			else break;
		}
		for (int j=i;j<=n;j++) {
			if (x[j] == 2) d++;
			else break;
		}
		if (a < b && a+c > b) ans = max(ans,c);
		if (b < a && b+d > a) ans = max(ans,d);
		if (x[i] == 1) a++;
		else b++;
	}
	cout << ans << endl;
}       
    
                 
                             
signed main() { 
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t = 1;
    //cin >> t; 
	F(i,t) solve();
}
 

• Subtask 1: 50 / 50