Cod sursa(job #500570)
Utilizator | Data | 12 noiembrie 2010 15:28:51 | |
---|---|---|---|
Problema | Buline | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.56 kb |
#include<stdio.h>
int v[200001];
int main()
{
freopen("buline.in","r",stdin);
freopen("buline.out","w",stdout);
int lim,s=0,lmax=0,smax=0,pmax=0,p=0,n,i;
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%d",&v[i]);
scanf("%d",&p);
if(p==0)
v[i]*=-1;
}
v[0]=v[n];
lim=n*2;p=1;
for(i=1;i<=lim;++i)
{
if(s<0)
{
s=0;
if(i>n)
break;
p=i%n;
}
s+=v[i%n];
if(s>smax&&i-p+1<=n)
{
smax=s;
pmax=p;
lmax=i-p+1;
if(i==0)
lmax+=n;
}
}
printf("%d %d %d",smax,pmax,lmax);
return 0;
}