제출 #763875

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
763875	2023-06-23 01:43:13	Trunkty	XOR Sum (info1cup17_xorsum)	C++14	45 / 100	1672 ms	28876 KiB

xorsum

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
int n,ans;
int arr[1000005];
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    for(int i=1;i<=n;i++){
        cin >> arr[i];
    }
    for(int j=0;j<=40;j++){
        int curr=0;
        vector<int> v;
        for(int i=1;i<=n;i++){
            if(arr[i]&(1LL<<j)){
                curr += (n+1);
            }
            v.push_back(arr[i]%(1LL<<j));
        }
        sort(v.begin(),v.end());
        int cnt=0;
        for(int i:v){
            if(i+i>=(1LL<<j) and i+i<(1LL<<(j+1LL))){
                cnt++;
            }
 
 
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