Cod sursa(job #2832433)
Utilizator | Matei Gabriel somethingforeveryone | Data | 13 ianuarie 2022 18:42:17 |
---|---|---|---|
Problema | Deque | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <fstream>
using namespace std;
ifstream fin("deque.in");
ofstream fout("deque.out");
int i, j, n, m, k, u, p, v[5000005], d[5000005];
long long sol;
int main() {
fin>>n>>k;
for (i=1;i<=n;i++)
fin>>v[i];
u=0;
p=1;
sol=0;
for (i=1;i<=n;i++){
while (u>=p && v[i]<=v[d[u]])
u--;
d[++u]=i;
if (i-d[p]+1>k)
p++;
if (i>=k)
sol+=v[d[p]];
}
fout<<sol;
}