제출 #1254999

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1254999		den1z19	Sob (COCI19_sob)	C++20	0 / 110	1096 ms	328 KiB

sob

#include "bits/stdc++.h"
#define endl '\n'
#define pb push_back
#define all(a) (a).begin(), (a).end()
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<ll> vl;
typedef vector<int> vi;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<int>::iterator vit;
typedef set<int> si;
typedef map<int, int> mii;

void solve() {
  ll n, m;
  cin >> n >> m;

  ll start = 0;
 
  ll nn = n - 1;
  vl ans(n);
  ll fin = m;

  ans[0] = m;
  while (nn >0) {
    ll temp = nn;
    ll mask = 0;
    while (temp > 0) {
      temp >>= 1;
      mask++;
    }
    ll bitmask = 1LL << (mask);
    bitmask--;
    //cout << nn << " " << bitmask;
    for (ll i = m + n - 1; i >= m; i--) {
      if (((i&bitmask)==nn)) {
        start = i;
        //cout << start << " _ " << nn << endl;
        break;
      }
    }

    for (ll i = start; i >= fin; i--) {
      ans[nn] = i;
      cout << nn << " " << i << endl;

      nn--;  
    }
    fin += start-m+1;
  }



}

int main() {
  std::ios::sync_with_stdio(false);
  cin.tie(nullptr);
  unsigned long long ct = 1;
  // cin >> ct;
  while (ct--)
    solve();
}

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