제출 #1123746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1123746		Neco_arc	Intercastellar (JOI22_ho_t1)	C++20	100 / 100	71 ms	5448 KiB

Main

#include <bits/stdc++.h>

#define ll long long
#define name "Intercastellar"
#define fi(i, a, b)  for(int i = a; i <= b; ++i)
#define fid(i, a, b) for(int i = a; i >= b; --i)
#define maxn (int) (2e5 + 7)

using namespace std;

int n;
ll s[maxn], a[maxn];

void solve() {

    cin >> n;
    fi(i, 1, n) {
        int x, sl = 1; cin >> x;

        while(x % 2 == 0) sl *= 2, x /= 2;
        s[i] = s[i - 1] + sl, a[i] = x;
    }

    int q; cin >> q;
    fi(i, 1, q) {
        ll x; cin >> x;
        int it = lower_bound(s + 1, s + 1 + n, x) - s;

        cout << a[it] << '\n';
    }

}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);

    if(fopen(name".inp", "r")) {
        freopen(name".inp", "r", stdin);
        freopen(name".out", "w", stdout);
    }

    solve();

}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:39:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |         freopen(name".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:40:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |         freopen(name".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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