Submission #1297571

#	Time	Username	Problem	Language	Result	Execution time	Memory
1297571		hiepsimauhong	Intercastellar (JOI22_ho_t1)	C++20	35 / 100	6 ms	1856 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define int long long

#define FOR(I, L, R) for(int I(L) ; I <= (int)R ; ++I)
#define FOD(I, R, L) for(int I(R) ; I >= (int)L ; --I)
#define FOA(I, A) for(auto &I : A)

#define print(A,L,R) FOR(OK, L, R){if(abs(A[OK]) >= oo / 10)cout<<"- ";else cout<<A[OK]<<' ';}cout<<'\n';
#define prints(A) FOA(OK, A){cout<<OK<<' ';}cout << '\n';
#define printz(A,L,R) FOR(OK, 0, L){FOR(KO, 0, R){if(abs(A[OK][KO]) <= oo / 10)cout<<A[OK][KO]<<' ';else cout << "- ";} cout << '\n';}cout << '\n';

#define fs first
#define sd second
#define ii pair<int,int>
#define iii pair<int, ii>
#define all(A) A.begin(), A.end()
#define quickly ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define FILE "BUFF"

const int N = 1e5 + 5;
const int mod = 1e9 + 7;
const int oo = 1e18;

int n;
int a[N], pre[N];

signed main(){ quickly
        if(fopen(FILE".inp", "r")){
                freopen(FILE".inp", "r", stdin);
                freopen(FILE".out", "w", stdout);
        }

        cin >> n;

        FOR(i, 1, n){
                cin >> a[i];
                pre[i] = 1;

                while(!(a[i] & 1)){
                        a[i] >>= 1;
                        pre[i] <<= 1;
                }

                pre[i] += pre[i - 1];
        }

        int q; cin >> q;
        while(q--){
                int x; cin >> x;
                int lo = lower_bound(pre + 1, pre + 1 + n, x) - pre;

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

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:32:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |                 freopen(FILE".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:33:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |                 freopen(FILE".out", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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