Cod sursa(job #2916231)

Utilizator verde.cristian2005Verde Flaviu-Cristian verde.cristian2005 Data 28 iulie 2022 15:55:26
Problema Secventa Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.97 kb
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
int n,k;
int v[500001];
bool good(int val)
{
    int cnt=0;
    for(int i=1; i<=n; i++)
    {
        if(v[i]>=val)
            cnt++;
        else
            cnt=0;
        if(cnt>=k)
            return 1;
    }
    return 0;
}
int cautbin()
{
    int r=-30000,pas=1<<15;
    while(pas)
    {
        if(good(r+pas))
            r+=pas;
        pas/=2;
    }
    return r;
}
int main()
{
    freopen("secventa.in","r",stdin);
    freopen("secventa.out","w",stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n>>k;
    for(int i=1; i<=n; i++)
        cin>>v[i];
    int r=cautbin(),cnt=0;
    for(int i=1; i<=n; i++)
    {
        if(v[i]>=r)
            cnt++;
        else
            cnt=0;
        if(cnt==k)
        {
            cout<<i-cnt+1<<" "<<i<<" "<<r;
            return 0;
        }
    }
    return 0;
}