제출 #679773

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
679773		Beverita	Table Tennis (info1cup20_tabletennis)	C++17	0 / 100	1 ms	212 KiB

tabletennis

#include <bits/stdc++.h>

using namespace std;

const int dimN = 15 * 1e4;
const int dimK = 400;

ifstream in("tabletennis.in");
ofstream out("tabletennis.out");

int v[1 + dimN + dimK], sol[1 + dimN];
int n, k;

int check(int l,int r)
{
    int ind = r - (n + l - 1);
    int sum = v[l] + v[r];
    sol[1] = v[l];
    sol[n] = v[r];
    l++;
    r--;
    int val=1;
    while (l < r && ind >= 0){
        if (v[l] + v[r] == sum){
            val++;
            sol[val] = v[l];
            sol[n - val + 1] = v[r];
            l++;
            r--;
        } else if (v[l] + v[r] < sum){l++;ind--;}
        else{r--;ind--;}
    }
    return val;
}

int main()
{

    in >> n >> k;

    for (int i = 0; i < n + k; i++){in >> v[i];}

    for (int i = 0; i < k + 1; i++){
        bool verif = 0;
        for (int j = n + i - 1; j < n + k; j++){
            int l=i,r=j;
            if (check(l,r) == n / 2){
                verif = true;
                break;
            }
        }
        if (verif)break;
    }

    for (int i = 1; i <= n; i++){
        out << sol[i] << " ";
    }

    return 0;
}

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