Cod sursa(job #1549643)

Utilizator cipistefan12Stefan Ciprian cipistefan12 Data 12 decembrie 2015 16:13:20
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.22 kb
#include <fstream>
using namespace std;

ifstream fin("secventa.in");
ofstream fout("secventa.out");

int n,k,i,j,minim,maxim,ok,v[500001],p,u,d[500001], semn, val, m;

char s[40000000];

int main()
{
    fin>>n>>k;
    fin.get();
    fin.get(s, 40000000);

    semn = 1;
    for (i=0;s[i]!=0;i++) {
        if (s[i] == '+') {
            semn = 1;
            continue;
        }
        if (s[i] == '-') {
            semn = -1;
            continue;
        }
        if (s[i] >= '0' && s[i] <= '9') {
            val = val*10 + s[i]-'0';
            continue;
        }
        if (s[i] == ' ' && ( s[i-1] >= '0' && s[i-1] <= '9'  )) {
            m++;
            v[m] = val;
            val = 0;
            semn = 1;
        }
    }
    v[++m] = val;
    for(i=1;i<=n;i++){
        fin>>v[i];
    }

    p = 1;
    u = 0;
    maxim = -30010;
    for (i=1;i<=n;i++) {
        while (p<=u && v[i] <= v[ d[u] ])
            u--;

        d[++u] = i;

        if (i-d[p] == k)
            p++;
        if(i>=k)
            if (v[ d[p] ] > maxim ){
                maxim=v[d[p]];
                ok = i;
            }
    }

    fout<<ok-k+1<<" "<<ok<<" "<<maxim;

    return 0;
}