Submission #745924

#	Time	Username	Problem	Language	Result	Execution time	Memory
745924		vjudge1	Table Tennis (info1cup20_tabletennis)	C++17	0 / 100	3049 ms	2616 KiB

tabletennis

#include <bits/stdc++.h>
using namespace std;

int main() {
    int n, k;
    cin >> n >> k;
    vector<long long> x(n+k);
    for (int i=0; i<n+k; i++) cin >> x[i];
    sort(x.begin(), x.end());
    bool done=false;
    vector<long long> ans(n);
    for (int i=0; (i<n+k-1 && !done); i++) {
        for (int j=i+1; (j<n+k && !done); j++) {
            long long sum=x[i]+x[j], cnt=0;
            int l=0;
            for (int r=n+k-1; r-l>0; r--) {
                while (l<r && x[l]+x[r]<sum) l++;
                if (r!=l && x[r]+x[l]==sum) cnt+=2;
            }
            if (cnt>=n) {
                done=true;
                int l=0, ansi=0;
                for (int r=n+k-1; r-l>0; r--) {
                    while (l<r && x[l]+x[r]<sum) l++;
                    if(r!=l && x[r]+x[l]==sum && ansi<n-1) {
                        ans[ansi++]=x[l];
                        ans[ansi++]=x[r];
                    }
                }
            }
        }
    }
    for (int i=0; i<n; i++) cout << ans[i] << " ";
    return 0;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 9
• Subtask 3: 0 / 14
• Subtask 4: 0 / 15
• Subtask 5: 0 / 9
• Subtask 6: 0 / 14
• Subtask 7: 0 / 15
• Subtask 8: 0 / 13