Submission #489626

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
489626	2021-11-23 12:49:31	Kevin_Zhang_TW	Swap (BOI16_swap)	C++17	0 / 100	0 ms	204 KiB

swap

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l)==r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
const int MAX_N = 300010;
int32_t main() {
  ios_base::sync_with_stdio(0), cin.tie(0);
  int n;
  cin >> n;
  vector<int> v(n+1);
  for (int i = 1;i <= n;++i)
    cin >> v[i];
  for (int i = 1;i <= n;++i) {
    int &a = (i*2<=n?v[i*2]:v[0]), &b = (i*2+1<=n?v[i*2+1]:v[0]);
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 27
• Subtask 4: 0 / 20
• Subtask 5: 0 / 32