Submission #1142172

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142172		Agageldi	Binary Subsequences (info1cup17_binary)	C++17	82 / 100	1093 ms	464 KiB

binary

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

#define ll long long
#define N 600005
#define pb push_back
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define sz(s) (int)s.size()

ll T, n, a[N], t, ans,b[25];
string s, g;
map <string,int> vis;

int main () {
	cin >> n;
	while(n--) {
		cin >> t;
		int ans = t + 1, ans1 = t+1;
		vector <pair<int,int>> answer;
		for(int i = 0; i <= t;i++) {
			int x1 = t - i, x2 = i, new_sz = 0;
			vector<pair<int, int>> add; // sany, name
			while(x1 != x2) {
				if(x1 > x2) {
					add.push_back({x1 / (x2 + 1),1});
					new_sz += (x1/(x2 + 1));
					x1 = x1 - (x1/(x2 + 1)) * (x2 + 1);
				}
				else {
					add.pb({x2/(x1 + 1), 0});
					new_sz += (x2/(x1 + 1));
					x2 = x2 - (x2 / (x1 + 1)) * (x1 + 1);
				}
			}
			if(x1 == 0 && x2 == 0 && new_sz < ans) {
				ans = new_sz;
			}
			if (x1 > 0 || x2 > 0)ans1--;
		}
		cout << ans1 << '\n';
		for(int i = 0; i <= t;i++) {
			int x1 = t - i, x2 = i, new_sz = 0;
			vector<pair<int, int>> add; // sany, name
			while(x1 != x2) {
				if(x1 > x2) {
					add.push_back({x1 / (x2 + 1),1});
					new_sz += (x1/(x2 + 1));
					x1 = x1 - (x1/(x2 + 1)) * (x2 + 1);
				}
				else {
					add.pb({x2/(x1+1),0});
					new_sz += (x2/(x1 + 1));
					x2 = x2 - (x2 / (x1 + 1)) * (x1 + 1);
				}
			}
			if(x1 == 0 && x2 == 0 && new_sz == ans) {
				for(auto j:add) {
					int tap = j.ff;
					while(tap--) {
						cout << j.ss << " ";
					}
				}
				cout << '\n';
				break;
			}
		}
	}
}

• Subtask 1: 43 / 43
• Subtask 2: 39 / 39
• Subtask 3: 0 / 18