Submission #1319834

#	Time	Username	Problem	Language	Result	Execution time	Memory
1319834		lern	Table Tennis (info1cup20_tabletennis)	C++20	20 / 100	46 ms	2284 KiB

tabletennis

#include <bits/stdc++.h>
using namespace std;
#define ll long long
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,k;
    cin>>n>>k;
    int a[n + k];
    for (int i = 0; i < n + k; i++) {
        cin>>a[i];
    }
    for (int i = 0; i < n + k; i++) {
        int ans = -1, l = 0, r = n + k - 1, ok = 1;
        while (l < r) {
            if(l == i){
                l++;
                continue;
            }
            if(r == i){
                r--;
                continue;
            }
            long long sum = a[l] + a[r];
            if (ans == -1)
                ans = sum;
            else if(sum != ans){
                ok = 0;
                break;
            }
            l++;
            r--;
        }
        if(ok){
            for (int j = 0; j < n + k; j++) {
                if(i != j)
                std::cout << a[j] << " ";
            }
            return 0;
        }
    }

    return 0;
}

• Subtask 1: 11 / 11
• Subtask 2: 9 / 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