Submission #952900

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
952900	2024-03-25 04:49:33	Darren0724	양말 찾기 (KPI13_socks)	C++17	0 / 1	890 ms	65536 KiB

socks

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#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=48000;
const int C=1.1e9;
int32_t main() {
    LCBorz;
    int n;cin>>n;
    int v[K]{},v1[K]{};
    int p;
    for(int i=0;i<n;i++){
        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));
 
 
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• Subtask 1: 0 / 1