Submission #1008176

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1008176	2024-06-26 08:10:36	vako_p	Building 4 (JOI20_building4)	C++14	100 / 100	187 ms	68920 KiB

building4

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int mxN = 1e6 + 5;
ll n,a[mxN],b[mxN];
pair<ll,ll> A[mxN],B[mxN];
char ans[mxN];
void rec(ll i, ll k, ll x){
  if(i == 0) return;
//  cout << i << ' ' << ((x == 0) ? a[i] : b[i]) << ' ' << a[i - 1] << ' ' << x << '\n';
  if(k > 0 and A[i - 1].first <= k and A[i - 1].second >= k and a[i - 1] <= ((x == 0) ? a[i] : b[i])){
    ans[i - 1] = 'A';
    rec(i - 1, k - 1, 0); 
  }
  else{
    ans[i - 1] = 'B';
    rec(i - 1, k, 1); 
  }
}
int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin >> n;
  for(int i = 0; i < 2 * n; i++) cin >> a[i];
  for(int i = 0; i < 2 * n; i++) cin >> b[i];
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 89 / 89