/*
JOI 2022 Problem 1
Solution: Sweep from left to right, sorting the queries and processing them in order.
The operations in the statement can be done using some basic math.
*/
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for (int i = (a); i < (b); i++)
#define sz(x) ((int) x.size())
#define all(x) x.begin(), x.end()
#define debug if (true) cerr
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
void solve() {
int N; cin >> N;
vi A(N);
rep(i, 0, N) cin >> A[i];
int Q; cin >> Q;
vector<ll> X(Q);
rep(i, 0, Q) cin >> X[i];
ll piecesSoFar = 0;
int currQ = 0;
rep(i, 0, N) {
ll currSize = A[i];
ll currPieces = 1;
while (currSize % 2 == 0) {
currSize /= 2;
currPieces *= 2;
}
// Answer all queries in this range
piecesSoFar += currPieces;
while (currQ != Q && X[currQ] <= piecesSoFar) {
cout << currSize << '\n';
currQ++;
}
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin.exceptions(cin.failbit);
solve();
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
316 KB |
Output is correct |
3 |
Correct |
16 ms |
2004 KB |
Output is correct |
4 |
Correct |
23 ms |
2964 KB |
Output is correct |
5 |
Correct |
41 ms |
4692 KB |
Output is correct |
6 |
Correct |
22 ms |
2832 KB |
Output is correct |
7 |
Correct |
48 ms |
4700 KB |
Output is correct |
8 |
Correct |
45 ms |
4824 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
316 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 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 |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
316 KB |
Output is correct |
3 |
Correct |
16 ms |
2004 KB |
Output is correct |
4 |
Correct |
23 ms |
2964 KB |
Output is correct |
5 |
Correct |
41 ms |
4692 KB |
Output is correct |
6 |
Correct |
22 ms |
2832 KB |
Output is correct |
7 |
Correct |
48 ms |
4700 KB |
Output is correct |
8 |
Correct |
45 ms |
4824 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
316 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
25 ms |
3612 KB |
Output is correct |
24 |
Correct |
30 ms |
4172 KB |
Output is correct |
25 |
Correct |
55 ms |
8012 KB |
Output is correct |
26 |
Correct |
40 ms |
4912 KB |
Output is correct |
27 |
Correct |
44 ms |
4568 KB |
Output is correct |
28 |
Correct |
74 ms |
8416 KB |
Output is correct |
29 |
Correct |
69 ms |
7876 KB |
Output is correct |
30 |
Correct |
33 ms |
4568 KB |
Output is correct |
31 |
Correct |
72 ms |
8380 KB |
Output is correct |