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Submission #1088208

# Submission time Handle Problem Language Result Execution time Memory
1088208 2024-09-14T06:31:20 Z vahagng XOR Sum (info1cup17_xorsum) C++17
7 / 100
 1600 ms 13072 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(v) v.begin(),v.end()
#define endl '\n'

const int N = 1e6 + 10;

ll n, a[N], ans;

map<ll,ll>mp;

void solve(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        mp[a[i]]++;
    }
    for(auto i : mp){
        for(auto j : mp){
            if(j.first <= i.first) continue;
            if((j.second * i.second)&1){
                ans ^= (j.first + i.first);
            }
        }
        ans ^= (2*i.first);
    }
    cout << ans << endl;
}

int main(){
    int t = 1;
    // cin >> t;
    while(t--){
        solve();
    }
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 604 KB Output is correct
2 Correct 106 ms 604 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 314 ms 13072 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 314 ms 13072 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 604 KB Output is correct
2 Correct 106 ms 604 KB Output is correct
3 Execution timed out 1626 ms 8272 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 604 KB Output is correct
2 Correct 106 ms 604 KB Output is correct
3 Incorrect 314 ms 13072 KB Output isn't correct
4 Halted 0 ms 0 KB -