Submission #1017948

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017948		ag_1204	Intercastellar (JOI22_ho_t1)	C++14	35 / 100	2062 ms	10372 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int long long int
#define pii pair<int,int>
#define vi vector<int>
#define si set<int>
#define pb push_back
 
int pow2(int n) {
    return (n & (~(n - 1)));
}

int low(vector<int> v,int k) {
    vector<int>::iterator t=lower_bound(v.begin(),v.end(),k);
    int ind=t-v.begin();
    return ind;
}
 
void solve() {
    int n; cin>>n;
    int a[n];
    map<int,int> poww;
    for (int i=0;i<30;i++) {
        int k=pow(2,i);
        poww[k]=i;
    }
    vi vals(n),sums(n);
    int sum=0;
    
    vector<int> pref(n,0);
    vector<int> val(n,0);
    int s = 0;
    int v = 1;
    
    for (int i=0;i<n;i++) {
        cin>>a[i];
        int m=pow2(a[i]);
        a[i]/=m;
        sum+=m;
        vals[i]=a[i]; sums[i]=sum;
    }
    int q; cin>>q;
    while(q--) {
        int x; cin>>x;
        int i=low(sums,x);
        cout<<vals[i]<<endl;
    }
    return;
}
 
int32_t main() {
	ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
	int tt=1; //cin>>tt;
	while(tt--) {
	    solve();
	}
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:32:9: warning: unused variable 's' [-Wunused-variable]
   32 |     int s = 0;
      |         ^
Main.cpp:33:9: warning: unused variable 'v' [-Wunused-variable]
   33 |     int v = 1;
      |         ^

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