Cod sursa(job #2133119)

Utilizator dobrandreiAndrei Dobra dobrandrei Data 16 februarie 2018 16:12:30
Problema Buline Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.28 kb
#include <stdio.h>

using namespace std;
FILE *f,*g;
int v[200002];
int main()
{
    f=fopen("buline.in","r");
    g=fopen("buline.out","w");
    int i,sum=-1,smax1=-2000000000,smax2=-2000000000,smax,ii1,jj1,aux,n,x,semn,ii2,jj2,ii,jj;
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++)
    {
        fscanf(f,"%d %d",&v[i],&semn);
        if(semn==0)
            v[i]*=-1;
        v[i+n]=v[i];
    }
    for(i=1;i<=n*2;i++)
    {
        if(sum<0)
        {
            if(i>n)
                break;
            sum=v[i];
            aux=i;
        }
        else
            sum+=v[i];
        if(sum>smax1 && i-aux+1<=n)
        {
            smax1=sum;
            ii1=aux;
            jj1=i-aux+1;
        }
    }
    for(i=1;i<=n*2;i++)
    {
        if(sum<0)
        {
            if(i>n)
                break;
            sum=v[i];
            aux=i;
        }
        else
            sum+=v[i];
        if(sum<smax2 && i-aux+1<=n)
        {
            smax2=sum;
            ii2=aux;
            jj2=i-aux+1;
        }
    }
    if(smax1>smax2)
    {
        smax=smax1;
        ii=ii1;
        jj=jj1;
    }
    else
    {
        smax=smax1;
        ii=ii2;
        jj=jj2;
    }
    fprintf(g,"%d %d %d",smax,ii,jj);
    return 0;
}