Submission #1172927

#	Time	Username	Problem	Language	Result	Execution time	Memory
1172927		son2008	Intercastellar (JOI22_ho_t1)	C++20	100 / 100	45 ms	5444 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define task "task"
#define ii pair<int,int>
#define fi first
#define se second
#define int long long
#define ll long long
#define ld double
#define mp make_pair
#define lg2 30
#define iii pair<int,ii>
#define iiii pair<ii,ii>
#define base 29
#define eps 1e-8
int dx[]= {0LL,0LL,1,-1,1,1,-1,-1};
int dy[]= {1,-1,0LL,0LL,1,-1,1,-1};
const int maxn=4e5+1;
const int mod=1e9+7;
int n,a[maxn],s[maxn];
void init()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
        s[i]=1;
        while(a[i]%2==0)
        {
            s[i]*=2;
            a[i]/=2;
        }
        s[i]+=s[i-1];
    }
   // cout<<'\n';
}
void process()
{
    int q;
    cin>>q;
    while(q--)
    {
        int x;cin>>x;
        cout<<a[lower_bound(s+1,s+n+1,x)-s]<<'\n';
    }
}
signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    if(fopen(task".inp","r"))
    {
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    init();
    process();
    cerr <<endl<< "TIME : " << clock() * 0.001 << "s" << endl ;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:55:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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