Submission #800248

#	Time	Username	Problem	Language	Result	Execution time	Memory
800248		caganyanmaz	Intercastellar (JOI22_ho_t1)	C++17	100 / 100	422 ms	10700 KiB

Main

#include <bits/stdc++.h>
#define int int64_t
using namespace std;

constexpr static int MXSIZE = 2e5;
int v[MXSIZE], prefix[MXSIZE+1], f[MXSIZE];

int32_t main()
{
        int n;
        cin >> n;
        for (int i = 0; i < n; i++)
                cin >> v[i];
        for (int i = 0; i < n; i++)
        {
                f[i] = v[i];
                int c = 1;
                while (!(f[i]&1))
                {
                        c <<= 1;
                        f[i] >>= 1;
                }
                prefix[i+1] = c;
        }
        for (int i = 1; i <= n; i++)
                prefix[i] += prefix[i-1];
        int q;
        cin >> q;
        while (q--)
        {
                int qq;
                cin >> qq;
                int l = 0, r = n+1;
                while (r - l > 1)
                {
                        int m = l+r>>1;
                        if (prefix[m] >= qq)
                                r = m;
                        else
                                l = m;
                }
                cout << f[l] << "\n";
        }

}

Compilation message (stderr)

Main.cpp: In function 'int32_t main()':
Main.cpp:36:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   36 |                         int m = l+r>>1;
      |                                 ~^~

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