Mai intai trebuie sa te autentifici.
Cod sursa(job #1533766)
Utilizator | Data | 22 noiembrie 2015 22:08:39 | |
---|---|---|---|
Problema | Secventa | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 1.3 kb |
#include <fstream>
#include <deque>
#include <iostream>
#include <sstream>
using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");
deque<int> deq;
int i,j,n,m,ans,x,y,v[500010],d,k=1;
stringstream ss;
string s;
int main()
{
fin>>n>>d;
ans = -1000000;
fin.get();
getline(fin,s);
for( i = 0 ; i < s.length() ; i++ )
{
if( s[ i ] == ' ' )
k++;
else if( s[ i ] == '-' )
{
i++;
v[ k ] = s[ i ] - '0';
v[ k ] *= -1;
}
else
{
v[ k ] = v[ k ] * 10 + s[ i ] - '0';
}
}
for( i = 1 ; i < d ; i++ )
{
while( deq.size() && v[ deq.back() ] >= v[ i ] )
{
deq.pop_back();
}
deq.push_back( i );
}
for( i = d ; i <= n ; i++ )
{
while( deq.size() && v[ deq.back() ] >= v[ i ] )
{
deq.pop_back();
}
deq.push_back( i );
if( deq.front() < i - d + 1 )
deq.pop_front();
m = deq.front();
if( v[ deq.front() ] > ans )
{
ans = v[ deq.front() ];
x = i - d + 1;
y = i;
}
}
fout<<x<<' '<<y<<' '<<ans;
return 0;
}