Cod sursa(job #1279087)

Utilizator DysKodeTurturica Razvan DysKode Data 29 noiembrie 2014 19:16:36
Problema Subsecventa de suma maxima Scor 85
Compilator cpp Status done
Runda Arhiva educationala Marime 0.96 kb
#include <fstream>
using namespace std;
ifstream fin("ssm.in");
ofstream fout("ssm.out");

int s[6000010],v[6000010],maxi,i,n,a,b;
//long long

int main()
{
    fin>>n;
    for(i=1 ; i<=n ; ++i)
    {
        fin>>v[i];
    }
    s[1]=v[1];
    maxi=-2147483648;
    for(i=1 ; i<=n ; ++i)
    {
        if(s[i-1]<=0)
        {
            s[i]=v[i];
            if(maxi<s[i])
            {
                maxi=s[i];
                a=i;
                b=i;
            }
        }
        else
        {
            a=i;
            s[i]=s[i-1]+v[i];
            if(s[i]>=0)
            while(s[i]+v[i+1]>=0 && i<=n)
            {
                ++i,s[i]=s[i-1]+v[i];
                if(s[i]>maxi)
                {
                    maxi=s[i];
                    b=i;
                }
            }

        }
    }
    if(a!=b)
        fout<<maxi<<' '<<a-1<<' '<<b;
    else
        fout<<maxi<<' '<<a<<' '<<b;
return 0;
}