Submission #1232171

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232171		durdona	Table Tennis (info1cup20_tabletennis)	C++17	Compilation error	0 ms	0 KiB

tabletennis

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

int main() {
    int n, k;
    cin >> n >> k;
    vector<int> arr(n + k);
    for (int i = 0; i < n + k; i++) {
        cin >> arr[i];
    }

    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    while (true) {
        int x=rng()%(n+k)+1, l=max(1, n+1-x), r=min(n+k, n+k*2+1-x);
        vector<int> ja;
        while (l < r && ja.size() < n) {
            if (arr[l] + arr[r] < s) {
                l++;
            } else if (arr[l] + arr[r] > s) {
                r--;
            } else {
                ja.push_back(arr[l]);
                ja.push_back(arr[r]);
                l++;
                r--;
            }
        }
        sort(ja.begin(), ja.end());
        for (int x : ja) cout << x << ' ';
        break;
    }

    return 0;
}

Compilation message (stderr)

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:17:35: error: 's' was not declared in this scope
   17 |             if (arr[l] + arr[r] < s) {
      |                                   ^