Cod sursa(job #1315602)
Utilizator | FMI - Dan Nema priestnoob | Data | 12 ianuarie 2015 22:15:21 |
---|---|---|---|
Problema | Deque | Scor | 85 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include<stdio.h>
using namespace std;
#define nmax 5000005
int n,k,v[nmax],d[nmax],f,b;
long long s;
void citire()
{
scanf("%d%d",&n,&k);
for(int i=1;i<=n;++i) scanf("%d",&v[i]);
}
void solve()
{
f=1;
for(int i=1;i<=n;++i)
{
while(v[f]>=v[i] &&f<i ) f++;
if(i>=k)
s+=v[f];
if(i-f>=k-1)
f++;
}
printf("%lld",s);
}
int main()
{
freopen("deque.in","r",stdin);
freopen("deque.out","w",stdout);
citire();
solve();
}