Cod sursa(job #1497756)

Utilizator CodrinsahCotarlan Codrin Codrinsah Data 7 octombrie 2015 11:37:38
Problema Subsecventa de suma maxima Scor 70
Compilator cpp Status done
Runda Arhiva educationala Marime 0.73 kb
#include <fstream>
using namespace std;
ifstream fi ("ssm.in");
ofstream fo ("ssm.out");
long long a[6000007],b[6000007],i,n,s,maxi,posf,posi;
int main()
{
    maxi=-20000000000;
    fi>>n;
    for (i=1;i<=n;i++) fi>>a[i];
    for (i=1;i<=n;i++)
    {
        s=s+a[i];
        if (s>maxi) maxi=s;
        if (s>=0) b[i]=s;
        else {s=0;b[i]=-1;}
    }
//    for (i=1;i<=n;i++) fo<<b[i]<<' ';
    if (maxi>0){for (i=1;i<=n;i++)
        if (maxi==b[i]) {posf=i;break;}
    for (i=posf;i>=1;i--)
        if (b[i]==-1) {posi=i+1;break;}}
    else
        {
            for (i=1;i<=n;i++)
            if (a[i]==maxi) {posi=i;posf=i;break;}
        }
//    fo<<'\n';
    fo<<maxi<<' '<<posi<<' '<<posf;
    return 0;
}