Cod sursa(job #3281070)

Utilizator Cyb3rBoltSbora Ioan-David Cyb3rBolt Data 28 februarie 2025 11:50:06
Problema Secventa Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.11 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");
int n, k, v[500010];
deque<int> dq;

int main()
{
    fin >> n >> k;
    for(int i=1; i<=n; i++) fin >> v[i];
    for(int i=1; i<=k; i++) {
        while(!dq.empty() && v[i] <= v[dq.back()]) dq.back();
        dq.push_back(i);
    }
    int maxim = v[dq.front()];
    for(int i=k+1; i<=n; i++) {
        while(!dq.empty() && v[i] <= v[dq.back()]) dq.pop_back();
        dq.push_back(i);
        while(!dq.empty() && i - k >= dq.front()) dq.pop_front();
        maxim = max(maxim, v[dq.front()]);
    }
    int rez = -1, solSt, solDr;
    for(int i=1; i<=n; i++) {
        if(v[i] == maxim) {
            int st = i - 1;
            while(st >= 1 && v[st] >= v[i]) st--;
            st++;
            int dr = i + 1;
            while(dr <= n && v[dr] >= v[i]) dr++;
            dr--;
            int lung = dr - st + 1;
            if(lung > rez) rez = lung, solSt = st, solDr = dr;
            i = dr - 1;
        }
    }
    fout << solSt << " " << solDr << " " << maxim;

    return 0;
}