제출 #1139145

#제출 시각아이디문제언어결과실행 시간메모리
1139145AgageldiXOR Sum (info1cup17_xorsum)C++20
7 / 100
1695 ms5704 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long #define N 600005 #define pb push_back #define ff first #define ss second #define all(x) x.begin(),x.end() ll T, n, a[N], t; map <int,int> vis; int main () { cin >> n; for(int i = 1;i <= n; i++){ cin >> a[i]; vis[a[i]]++; } ll answer = 0; for(int i=1;i<=n;i++) { ll sum = a[i]; for(int j = i; j <= n; j++) { sum += a[j]; answer = (answer ^ sum); sum -= a[j]; } } cout << answer << '\n'; return 0; }
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