Submission #489626

#	Time	Username	Problem	Language	Result	Execution time	Memory
489626		Kevin_Zhang_TW	Swap (BOI16_swap)	C++17	0 / 100	0 ms	204 KiB

swap

#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]);
		if (a < b && a < v[i]) swap(a, v[i]);
		if (b < a && b < v[i]) swap(b, v[i]);
	}
	for (int i = 1;i <= n;++i)
		cout << v[i] << " \n"[i==n];

}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 27
• Subtask 4: 0 / 20
• Subtask 5: 0 / 32