Submission #653019

#	Time	Username	Problem	Language	Result	Execution time	Memory
653019		Koful123	Sob (COCI19_sob)	C++17	10 / 110	40 ms	5828 KiB

sob

#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
#define int long long
#define pb push_back
#define ff first
#define ss second
#define mod 1000000007
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

const int N = 1e6 + 6;
int ans[N];

void solve(){

	int n,m;
	cin >> n >> m; 

	int lg = __lg(n);
	for(int i=m;i<m+n;i++){
		int cur = 0;
		for(int j=0;j<=lg;j++){
			cur ^= (i & (1ll<<j));
		}
		for(int j=lg;j>=0;j--){
			if(cur < n && !ans[cur]){
				ans[cur] = i;
				break;
			}
			cur ^= (cur & (1ll<<j));
		}
	}

	for(int i=0;i<n;i++){
		cout << i << ' ' << ans[i] << endl;
	}
}	

signed main(){

	ios::sync_with_stdio(0);
	cin.tie(0);

	int t = 1;
//	cin >> t;

	while(t--)
		solve();

	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 29
• Subtask 3: 0 / 39
• Subtask 4: 0 / 32