Submission #1171669

#	Time	Username	Problem	Language	Result	Execution time	Memory
1171669		SmuggingSpun	Intercastellar (JOI22_ho_t1)	C++20	100 / 100	58 ms	3020 KiB

Main

#include<bits/stdc++.h>
#define taskname "A"
using namespace std;
typedef long long ll;
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
	}
    int n;
    cin >> n;
    vector<int>a(n);
    for(int& x : a){
        cin >> x;
    }
    int q;
    cin >> q;
    ll sum = 0;
    for(int _ = 0, i = 0; _ < q; _++){
        ll x;
        cin >> x;
        while(sum < x){
            int cnt = 1;
            while(~a[i] & 1){
                a[i] >>= 1;
                cnt <<= 1;
            }
            sum += cnt;
            i++;
        }
        cout << a[i - 1] << "\n";
    }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:8:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

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