Submission #952881

#	Time	Username	Problem	Language	Result	Execution time	Memory
952881		Darren0724	양말 찾기 (KPI13_socks)	C++17	0 / 1	1 ms	604 KiB

socks

#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=200005;
const int INF=1e9;
const int K=45000;
const int C=1e9;
int32_t main() {
    LCBorz;
    int n;cin>>n;
    vector<int> v(K),v1(K);
    for(int i=0;i<n;i++){
        int p;cin>>p;
        p+=C;
        v[p%K]^=p;
        v1[p/K]^=p;
    }
    int cnt1=0;
    for(int i=0;i<K;i++){
        cnt1+=(v[i]>0);
    }
    vector<int> ans;
    if(cnt1==2){
        for(int i=0;i<K;i++){
            if(v[i])ans.push_back(v[i]-C);
        }
        sort(all(ans));
        cout<<ans[0]<<' '<<ans[1]<<endl;
        return 0;
    }
    for(int i=0;i<K;i++){
        if(v1[i])ans.push_back(v1[i]-C);
    }
    sort(all(ans));
    cout<<ans[0]<<' '<<ans[1]<<endl;

    return 0;
}

• Subtask 1: 0 / 1