Mai intai trebuie sa te autentifici.
Cod sursa(job #2354126)
Utilizator | Data | 24 februarie 2019 21:29:52 | |
---|---|---|---|
Problema | Secventa | Scor | 80 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 1.46 kb |
#include <fstream>
#include <cstring>
using namespace std;
ifstream cin("secventa.in");
ofstream cout("secventa.out");
const int N=500000+7;
int n;
int k;
int v[N];
int dq[N];
int st;
int dr;
int main()
{
cin>>n;
cin>>k;
for(int i=1;i<=n;i++)
cin>>v[i];
/**cin.get();
char s[7*N];
int y=1;
cin.getline(s,7*N);
int ln=strlen(s);
int c=0,sg=1;
for(int i=0;i<=ln;i++)
{
if(s[i]==' ' || i==ln)
{
v[y]=sg*c;
y++;
c=0;
sg=1;
}
else
if(s[i]=='-')
sg=-sg;
else
c=10*c+(s[i]-'0');
}**/
st=1;
dr=0;
int best=-(1<<30);
int a;
int b;
for(int i=1;i<=n;i++)
{
while(st<=dr && v[i]<=v[dq[dr]])
dr--;
if(st<=dr && i-dq[st]+1>k)
st++;
dq[++dr]=i;
if(i>=k && v[dq[st]]>best)
{
best=v[dq[st]];
a=i-k+1;
b=i;
}
}
cout<<a<<" "<<b<<" "<<best<<"\n";
return 0;
}