Submission #312091

#	Time	Username	Problem	Language	Result	Execution time	Memory
312091		tengiz05	Mechanical Doll (IOI18_doll)	C++17	0 / 100	1 ms	204 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
int n, m;
vector<int> a;
void create_circuit(int M, vector<int> A) {
	m = M;
	a = A;
	n = a.size();
	
	vector<int> c(m + 1, 0);
	vector<int> cnt(n);
	vector<int> used(n);
	vector<int> X, Y;
	for(int i=0;i<n;i++)cnt[a[i]]++;
	int now = 0;
	int t = -1;
	for(int i=0;i<n;i++){
		if(cnt[now] == 2){
			if(used[now]){
				now = a[i];
				Y.push_back(now);
			}else {
				used[now] = 1;
				c[now] = t;
				now = a[i];
				X.push_back(now);
				t--;
			}
		}else {
			c[now] = a[i];
			now = a[i];
		}
	}c[now] = 0;
	cout << X.size() << ' ' << Y.size() << '\n';
	answer(c, X, Y);
}

/*

4 4
1 2 1 3

*/

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56