1530 | 2022. 11. 22 10:25:59 | kicsiboglar | Fasor (40) | cpp11 | Elfogadva 40/40 | 32ms | 13612 KiB |
#include <iostream>
#include <vector>
#define ll long long
using namespace std;
//ifstream cin ("input.in");
//ofstream cout ("output.out");
ll n,m,i,j,a,b,k;
struct element
{
ll value,big_left,big_right;
};
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
cin>>n>>k;
vector <element> x(n+1);
for (i=1;i<=n;++i)
{
cin>>x[i].value;
if (i==1) continue;
j=i-1;
while (j!=0&&x[j].value<=x[i].value) j=x[j].big_left;
x[i].big_left=j;
}
for (i=n-1;i>=1;--i)
{
j=i+1;
while (j!=0&&x[j].value<=x[i].value) j=x[j].big_right;
x[i].big_right=j;
}
for (i=1;i<=n;++i)
{
if (i-x[i].big_left>k||x[i].big_left==0)
{
if (x[i].big_right-i>k||x[i].big_right==0)
{
cout<<i;
return 0;
}
}
}
cout<<"-1";
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 40/40 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1884 KiB | |||
2 | Elfogadva | 0/0 | 3ms | 2208 KiB | |||
3 | Elfogadva | 2/2 | 2ms | 2264 KiB | |||
4 | Elfogadva | 2/2 | 2ms | 2368 KiB | |||
5 | Elfogadva | 2/2 | 2ms | 2524 KiB | |||
6 | Elfogadva | 2/2 | 2ms | 2732 KiB | |||
7 | Elfogadva | 2/2 | 2ms | 3092 KiB | |||
8 | Elfogadva | 2/2 | 2ms | 3180 KiB | |||
9 | Elfogadva | 2/2 | 3ms | 3432 KiB | |||
10 | Elfogadva | 2/2 | 4ms | 3560 KiB | |||
11 | Elfogadva | 2/2 | 3ms | 3672 KiB | |||
12 | Elfogadva | 2/2 | 3ms | 3748 KiB | |||
13 | Elfogadva | 2/2 | 14ms | 8036 KiB | |||
14 | Elfogadva | 2/2 | 14ms | 8264 KiB | |||
15 | Elfogadva | 2/2 | 24ms | 13116 KiB | |||
16 | Elfogadva | 2/2 | 25ms | 13052 KiB | |||
17 | Elfogadva | 2/2 | 27ms | 13052 KiB | |||
18 | Elfogadva | 2/2 | 27ms | 13460 KiB | |||
19 | Elfogadva | 2/2 | 27ms | 13612 KiB | |||
20 | Elfogadva | 2/2 | 12ms | 8836 KiB | |||
21 | Elfogadva | 2/2 | 24ms | 13532 KiB | |||
22 | Elfogadva | 2/2 | 32ms | 13528 KiB |