Cod sursa(job #611889)

Utilizator BlaugranasEnal Gemaledin Blaugranas Data 4 septembrie 2011 10:44:02
Problema Buline Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.87 kb
#include<stdio.h>
#define N 200001
long n,i,a[N],b,s[N],t[N],w=-N,x,z,l,j,k,p,r,e;
int main()
{freopen("buline.in","r",stdin);
freopen("buline.out","w",stdout);
scanf("%ld",&n);
t[0]=-N;
for(i=1;i<=n;i++)
      {scanf("%ld%ld",&a[i],&b);
      if(!b)
             a[i]=-a[i];
      s[i]=a[i]+s[i-1];
      if(s[i]>t[i-1])
             t[i]=s[i];
      else
             t[i]=t[i-1];}
for(i=1;i<2*n;i++)
      {if(p>r)
             p=r,e=i;
      if(i<=n)
             r+=a[i];
      else
             r+=a[i-n];
      if(i-j<n&&w<r-p)
             w=r-p,k=i;
      if(e<=k)
             j=e;}
l=j;
for(j=1;j<=n;j++)
if(t[j-1]+s[n]-s[j-1]>w)
      w=t[j-1]+s[n]-s[j-1],l=j;
for(i=l;i<n+l;i++)
      {x++;
      if(i>n)
             z+=a[i-n];
      else
             z+=a[i];
      if(z==w)
             break;}
printf("%ld %ld %ld",w,l,x);
return 0;}