Cod sursa(job #2065821)

Utilizator AndaionicaIonica Anda Maria Andaionica Data 14 noiembrie 2017 11:44:00
Problema Buline Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.06 kb
#include <fstream>
#include <limits.h>
using namespace std;
ifstream f("buline.in");
ofstream g("buline.out");
int v[200001],n,i,k,s,l,p,smax,l1,p1,smin,l2,p2,l3,p3,s2,S;
int main()
{
    f>>n;
    smax=INT_MIN;
    s=-1;
    for(i=1;i<=n;i++)
    {
        f>>v[i]>>k;
        v[i]+=2*(k-1)*v[i];
        S+=v[i];
        if(s>=0)
        {
            s+=v[i];
            l++;
        }
            else
            {
                p=i;
                s=v[i];
                l=1;
            }
        if(smax<s)
        {
            smax=s;
            p1=p;
            l1=l;
        }
        if(s2<0)
        {
            s2+=v[i];
            l2++;
        }
            else
            {
                p2=i;
                s2=v[i];
                l2=1;
            }
        if(smin>s2)
        {
            smin=s2;
            p3=p2;
            l3=l2;
        }
    }
    if(smax<S-smin)
    {
        smax=S-smin;
        p1=p3+l3;
        l1=n-l3;
    }
    g<<smax<<" "<<p1<<" "<<l1;
    return 0;
}