Cod sursa(job #850071)

Utilizator geniuanduOncescu Andreea geniuandu Data 7 ianuarie 2013 23:16:47
Problema Subsecventa de suma maxima Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 1.05 kb
#include<cstdio>
using namespace std;
int n,i,mini,maxi,s,ls,ld,poz,maxi1,ok,v[6000001];
int main()
{
    freopen("ssm.in","r",stdin);
    freopen("ssm.out","w",stdout);
    scanf("%d",&n);
    maxi1=-(1<<31);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&v[i]);
        if(v[i]>maxi1)
        {
            maxi1=v[i];
            poz=i;
        }
    }
    if(maxi1<0)
    {
        printf("%d %d %d",maxi1,poz,poz);
    }
    else
    {
        s=v[1];
        maxi=-(1<<31);
        ls=1;
        ok=0;
        for(i=2;i<=n;i++)
        {
            if(s>maxi)
            {
                maxi=s;
                ld=i-1;
                ok=1;
            }
            if(s<0)
            {
                if(ok==0)
                ld=i-1;
                s=0;
                ls=i;
                ok=0;
            }
            s=s+v[i];
        }
        if(s>maxi)
        {
            maxi=s;
            ld=i-1;
            ok=1;
        }
        printf("%d %d %d",maxi,ls,ld);
    }
    return 0;
}