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Cod sursa(job #154574)
#include <cstdio>
#include <vector>
#include <set>
#include <deque>
using namespace std;
typedef long long LL;
typedef vector<int> vi;
typedef vector< vi > vii;
typedef vector<string> vs;
typedef vector<double> vd;
typedef pair<int, int> ii;
#define PB push_back
#define SZ(v) v.size()
#define ALL(v) (v).begin(), (v).end()
#define FORIT(i,c) for (typeof((c).end()) i=(c).begin(); i!=(c).end(); ++i)
#define FOR(i,n) for (int i = 0; i<(n); ++i)
#define FORE(i,n) for (int i = 0; i<=(n); ++i)
#define FORI(i,n1,n2) for (int i = n1; i<(n2); ++i)
#define FORIE(i,n1,n2) for (int i = n1; i<=(n2); ++i)
#define FORV(i,v) for (unsigned int i = 0; i<SZ(v); ++i)
#define INF 0x3f3f3f3f
#define EPS 1e-9
#define NMAX 500001
set<int> S;
int N,K;
int A[NMAX];
int Q[NMAX], pos[NMAX];
int k1,k2;
inline void push(int x, int p)
{
while (k2>0 && Q[k2-1] >= x) --k2;
Q[++k2] = x;
pos[k2] = p;
}
int main()
{
freopen("secventa.in", "r", stdin);
freopen("secventa.out", "w", stdout);
scanf("%d %d", &N, &K);
FOR(i,N)
scanf("%d", &A[i]);
//cin >> A[i];
int bestpos, best;
deque<int> Q;
FOR(i,K)
{
while (!Q.empty() && A[Q.back()] >= A[i])
Q.pop_back();
Q.push_back(i);
}
best = A[Q.front()];
bestpos = 0;
FORI(i, K, N)
{
if (Q.front() == i-K)
Q.pop_front();
while (!Q.empty() && A[Q.back()] >= A[i])
Q.pop_back();
Q.push_back(i);
if (best < A[Q.front()])
{
best = A[Q.front()];
bestpos = i-K+1;
}
}
//cout << bestpos+1 << " " << bestpos+K << " " << best;
printf("%d %d %d", bestpos+1, bestpos+K, best);
return 0;
}