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Submission #576049

# Submission time Handle Problem Language Result Execution time Memory
576049 2022-06-12T06:13:07 Z I_am_balancing XOR Sum (info1cup17_xorsum) C++17
45 / 100
 1600 ms 2152 KB 
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using pl = pair<ll,ll>;
using tl = tuple<ll,ll,ll>;
using ld = long double;
#define all(x) (x).begin(),(x).end()
#define sz(x) ll((x).size())
#define pb emplace_back
#define F first
#define S second
const ll inf = (1ll<<60);
const ll N = 1e6 + 100;
const ll K = 3;
const ld PI = 3.141592653589793238462643383279;
//mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
int a[N];
void solve(){
    int n;
    cin >> n;
    int ans = 0;
    for(ll i = 1;i<=n;i++){
        cin >> a[i];
        for(ll j = 1;j<=i;j++){
            ans^=(a[i]+a[j]);
        }
    }
    cout << ans;
}


int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    ll t = 1;
    //cin >> t;
    //cout << fixed << setprecision(20);
    while(t--){
        solve();
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1677 ms 2152 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1677 ms 2152 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 583 ms 1588 KB Output is correct
4 Correct 569 ms 1636 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Execution timed out 1677 ms 2152 KB Time limit exceeded
4 Halted 0 ms 0 KB -