oj.uz

Submission #742013

# Submission time Handle Problem Language Result Execution time Memory
742013 2023-05-15T11:09:13 Z MODDI Intercastellar (JOI22_ho_t1) C++14
25 / 100
 362 ms 9092 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair<int,int> pii;
typedef vector<long long> vl;
typedef vector<int> vi;
int n, q;
vi arr, two;
int main(){
	cin>>n;
	arr.resize(n);
	two.resize(n);
	for(int i = 0; i < n; i++)	cin>>arr[i];
	vector<pii> segments;
	vl val;
	int last = -1;
//	reverse(arr.begin(), arr.end());
	for(int i = 0; i < n; i++){
		ll x = arr[i];
		two[i]=1;
		while(x%2 == 0){
			two[i]*=2;
			x/=2;
		}
		segments.pb(mp(last+1, last + two[i]));
		val.pb(x);
		last += two[i];
	}
	ll pref[n];
	pref[0] = segments[0].second + 1;
	for(int i = 1; i < n; i++)
		pref[i] = pref[i-1] + segments[i].second - segments[i].first+1;
	int q;
	cin>>q;
	while(q--)
	{
		ll x;
		cin>>x;
		int l = 0, r = n-1, pos;
		while(l <= r){
			int mid = l + (r-l)/2;
			if(pref[mid] >= x){
				pos = mid;
				r = mid - 1;
			}
			else
				l = mid+1;
		}
		cout<<val[pos]<<endl;
	}
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:52:16: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   52 |   cout<<val[pos]<<endl;
      |                ^

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 88 ms 7260 KB Output is correct
4 Correct 246 ms 3312 KB Output is correct
5 Correct 333 ms 8844 KB Output is correct
6 Correct 188 ms 6900 KB Output is correct
7 Correct 350 ms 8816 KB Output is correct
8 Correct 362 ms 9092 KB Output is correct

Subtask #2
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 312 KB Output is correct
9 Incorrect 1 ms 300 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 88 ms 7260 KB Output is correct
4 Correct 246 ms 3312 KB Output is correct
5 Correct 333 ms 8844 KB Output is correct
6 Correct 188 ms 6900 KB Output is correct
7 Correct 350 ms 8816 KB Output is correct
8 Correct 362 ms 9092 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 2 ms 312 KB Output is correct
17 Incorrect 1 ms 300 KB Output isn't correct
18 Halted 0 ms 0 KB -