Cod sursa(job #1123670)
| Utilizator | Data | 26 februarie 2014 09:35:02 | |
|---|---|---|---|
| Problema | Buline | Scor | 20 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.64 kb |
#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("buline.in");
ofstream fout("buline.out");
long long n,i,s,smax,p,pmax,b,lg;
int a[400001];
int main()
{
fin>>n;
for(i=1;i<=n;i++)
{
fin>>a[i]>>b;
if(b==0) a[i]=0-a[i];
a[n+i]=a[i];
}
s=smax=a[1]; p=pmax=1;
for(i=2;i<=2*n-1;i++)
{
if(i-pmax+1==n)
s=a[i],p=i;
if(s+a[i]>a[i]) s=s+a[i];
else
s=a[i],p=i;
if(s>smax)
{
smax=s,pmax=p;
lg=i-pmax+1;
}
}
fout<<smax<<' '<<pmax<<' '<<lg;
return 0;
}
