Submission #17,745

2025-09-16 18:50:48

cpp17

Accepted 40/40

74ms

2036 KiB

// UUID: 25e7098a-8bd1-407a-baad-cc560f38d8b9
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
	ll n, k;
	cin >> n >> k;
	vector <ll> v(n);
	for (ll i = 0; i < n; i++ ){
		cin >> v[i];
	}
	ll b = 0, j = 0;
	while (j < n){
		if (v[b] >= v[j+1]) j++;
		else b = j+1;
		if ( j-b == k || j == n - 1) {
			cout << b+1 << "\n";
			return 0;
		}
	}
	cout << -1 << "\n";
}

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	4ms	328 KiB
		3	Accepted	2/2	1ms	316 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Accepted	2/2	1ms	316 KiB
		6	Accepted	2/2	1ms	320 KiB
		7	Accepted	2/2	1ms	316 KiB
		8	Accepted	2/2	2ms	512 KiB
		9	Accepted	2/2	4ms	472 KiB
		10	Accepted	2/2	4ms	316 KiB
		11	Accepted	2/2	4ms	352 KiB
		12	Accepted	2/2	3ms	556 KiB
		13	Accepted	2/2	37ms	1076 KiB
		14	Accepted	2/2	34ms	1076 KiB
		15	Accepted	2/2	59ms	1844 KiB
		16	Accepted	2/2	68ms	1844 KiB
		17	Accepted	2/2	74ms	2036 KiB
		18	Accepted	2/2	72ms	1844 KiB
		19	Accepted	2/2	74ms	1844 KiB
		20	Accepted	2/2	21ms	1076 KiB
		21	Accepted	2/2	61ms	1844 KiB
		22	Accepted	2/2	72ms	1844 KiB