Cod sursa(job #1123129)

Utilizator AdrianaMAdriana Moisil AdrianaM Data 25 februarie 2014 22:51:13
Problema Secventa 2 Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.11 kb
#include <fstream>
#include <cstring>
using namespace std;

ifstream is("secv2.in");
ofstream os("secv2.out");

int n, k, a[50001], s[50001];
int be, en, ma = -0x3f3f3f3f;
char d[3500005];

void READ();


int main()
{
    READ();
    for ( int i = 1; i <= n; ++i )
    {
        s[i] = s[i - 1] + a[i];
        for ( int j = 1; j <= i - k + 1; ++j )
        {
            if ( s[i] - s[j - 1] > ma )
            {
                be = j;
                en = i;
                ma = s[i] - s[j - 1];
            }
        }
    }
    os << be << " " << en << " " << ma;
    is.close();
    os.close();
    return 0;
}


void READ()
{
    is >> n >> k;
    is.get();
    is.getline(d, 3500005, '\n');
    int m = strlen(d) - 1;
    int cnt = 1, semn;
    for ( int i = 0; i <= m; ++i )
    {
        semn = 1;
        if ( d[i] == '-' )
        {
            semn = -1;
            ++i;
        }
        while ( d[i] != ' ' && i <= m )
        {
            a[cnt] = a[cnt] * 10 + ( d[i] - '0' );
            ++i;
        }
        a[cnt] *= semn;
        ++cnt;
    }
}