Submission #803590

#	Time	Username	Problem	Language	Result	Execution time	Memory
803590		luci	Intercastellar (JOI22_ho_t1)	C++17	25 / 100	241 ms	3880 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define ioss ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long
#define tup tuple<int, int, int>
#define pii pair<int, int>
#define fi first
#define se second
#define pub push_back
#define pob pop_back
int n, arr[200004], q;
signed main() {
    ioss;
    cin >> n;
    int bit[n+2] = {};
    for(int i = 1; i <= n; i++) {
        cin >> arr[i];
        int cnt = 0;
        for(int j = 0; j < 30; j++) {
            if(arr[i]%(1ll << j) == 0) cnt = (1ll << j);
            else {
                arr[i] = arr[i]/(1ll << (j-1));
                bit[i] = (1ll << (j-1));
                break;
            }
        }
    }
    for(int i = 1; i <= n; i++) bit[i] += bit[i-1];
    cin >> q;
    for(int i = 1; i <= q; i++) {
        int x; cin >> x;
        
        int l = 1, r = n, ret = 0;
        while(l <= r) {
            int mid = (l+r)/2;
            if(bit[mid] >= x) ret = mid, r = mid-1;
            else l = mid+1;
        }
        cout << arr[ret] << endl;
    }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:18:13: warning: variable 'cnt' set but not used [-Wunused-but-set-variable]
   18 |         int cnt = 0;
      |             ^~~

• Subtask 1: 25 / 25
• Subtask 2: 0 / 35
• Subtask 3: 0 / 40