#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define int long long using namespace __gnu_pbds; using namespace std; const int mod = 1e6 + 3; const int inf = 1e9; const int maxx = 3e6 + 5; const int lg = 26; typedef tree <int, null_type, less_equal <int>, rb_tree_tag, tree_order_statistics_node_update> ordered_multiset; void solve () { int n, k, sum = 0, idx = -1; cin >> n >> k; vector <int> a(n + k); for (int i = 0; i < n + k; i++) { cin >> a[i]; sum += a[i]; } if (sum % 2) { for (int i = 0; i < n + k; i++) { if (a[i] % 2) { idx1 = i; } } } // 1 2 3 4 7 // 1 3 // 3 6 7 8 9 for (int i = 0; i < n + k; i++) { if (i == idx) { continue; } cout << a[i] << ' '; } } signed main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t = 1; //cin >> t; while (t--) { solve(); } }

tabletennis.cpp: In function 'void solve()':
tabletennis.cpp:24:17: error: 'idx1' was not declared in this scope; did you mean 'idx'?
   24 |                 idx1 = i;
      |                 ^~~~
      |                 idx