oj.uz

Submission #855201

# Submission time Handle Problem Language Result Execution time Memory
855201 2023-09-30T15:46:20 Z ancuber1031 Intercastellar (JOI22_ho_t1) C++14
100 / 100
 77 ms 10960 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pii pair<int,int>
#define p_q priority_queue
#define endl '\n'
#define pb push_back

signed main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int n; cin>>n;    
    vector<int> a(n);
    deque<int> ans, ps;
    for (auto& i : a) cin>>i;
    
    while(!a.empty()) {
        int cur = a.back(), cnt = 1;
        a.pop_back();
        while(cur&1^1) {
            cur >>= 1;
            cnt <<= 1;
        }
        ans.push_front(cur);
        ps.push_front(cnt);
    }
    //for (int i = 0; i < ps.size(); ++i) cout<<ans[i]<<' '<<ps[i]<<endl;
    for (int i = 1; i < ps.size(); ++i) ps[i] += ps[i-1];
    
    int q; cin>>q;
    while(q--) {
        int x; cin>>x;
        int l = -1, r = ps.size()+1;
        while(r-l > 1) {
            int mid = (l+r)>>1;
            if (ps[mid] < x) l = mid;
            else r = mid;
        }
        //cout<<ps[l]<<' '<<ps[r]<<endl;
        cout<<ans[r]<<endl;
    }
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:21:18: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   21 |         while(cur&1^1) {
      |               ~~~^~
Main.cpp:29:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for (int i = 1; i < ps.size(); ++i) ps[i] += ps[i-1];
      |                     ~~^~~~~~~~~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 18 ms 5300 KB Output is correct
4 Correct 27 ms 2660 KB Output is correct
5 Correct 52 ms 6624 KB Output is correct
6 Correct 27 ms 5456 KB Output is correct
7 Correct 47 ms 6484 KB Output is correct
8 Correct 47 ms 6936 KB Output is correct

Subtask #2
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 18 ms 5300 KB Output is correct
4 Correct 27 ms 2660 KB Output is correct
5 Correct 52 ms 6624 KB Output is correct
6 Correct 27 ms 5456 KB Output is correct
7 Correct 47 ms 6484 KB Output is correct
8 Correct 47 ms 6936 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 26 ms 3488 KB Output is correct
24 Correct 33 ms 6432 KB Output is correct
25 Correct 67 ms 10428 KB Output is correct
26 Correct 37 ms 6796 KB Output is correct
27 Correct 34 ms 6740 KB Output is correct
28 Correct 77 ms 10960 KB Output is correct
29 Correct 62 ms 10580 KB Output is correct
30 Correct 36 ms 4076 KB Output is correct
31 Correct 66 ms 10788 KB Output is correct