Cod sursa(job #2552885)

Utilizator denmirceaBrasoveanu Mircea denmircea Data 21 februarie 2020 12:08:07
Problema Secventa Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.82 kb
#include <fstream>
#define dim 500005
using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");
int n,k,i,st,dr,poz,l,semn;
int minn=-32000,x;
char s[3000003];
pair<int,int> d[dim];
int nr(){
    int x;
while(s[l]==' ')
    l++;
if(s[l]=='-'){
   semn=-1;
   l++;
}
else semn=1;
x=0;
while(s[l]>='0'&&s[l]<='9'){
    x=x*10+s[l]-'0';
    l++;
}
return x*semn;
}
int main()
{
fin>>n>>k;
fin.get();
fin.getline(s,3000000);
st=1;
for(i=1;i<k;i++){
//fin>>x;
/// nr
x=nr();
while(d[dr].second>=x&&dr>=st)
dr--;
d[++dr]={i,x};
}
for(i=k; i<=n; i++)
{
//fin>>x;
/// nr
x=nr();
if(x<minn){}
while(i-d[st].first>=k)
st++;
while(d[dr].second>=x&&dr>=st)
    dr--;
d[++dr]={i,x};
if(d[st].second>minn)
{minn=d[st].second;poz=i-k+1;}}
fout<<poz<<" "<<poz+k-1<<" "<<minn;
}