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Cod sursa(job #74542)
#include<fstream>
using namespace std;
int a[500000], d[500000];
long k, n, p = 0, u = -1, pi = 1, ps = 1, vmin;
void add_deque(int poz) {
d[++u] = poz;
}
void citire(){
ifstream fin("secventa.in");
fin >> n >> k;
for (int i = 0; i < n; i++)
fin >> a[i];
fin.close();
}
void rezolva() {
add_deque(0);
if (k == 1)
vmin = a[0];
else
vmin = -32767;
for (int i = 1; i < k - 1 ; i++) {
while (p <= u && d[p] <= i - k) p++;
while (p <= u && a[d[u]] >= a[i]) u--;
add_deque(i);
}
for (int i = k - 1; i < n ; i++) {
while (p <= u && d[p] <= i - k) p++;
while (p <= u && a[d[u]] >= a[i]) u--;
add_deque(i);
if (a[d[p]] > vmin ){
vmin = a[d[p]];
pi = i-k+1;
ps = i;
}
}
}
void scrie(){
ofstream fout("secventa.out");
fout << pi + 1 << " " << ps + 1 << " " << vmin;
fout.close();
}
int main() {
citire();
rezolva();
scrie();
return 0;
}