Mai intai trebuie sa te autentifici.
Cod sursa(job #2110729)
| Utilizator | Data | 21 ianuarie 2018 11:52:49 | |
|---|---|---|---|
| Problema | Buline | Scor | 70 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.86 kb |
#include <fstream>
#define nm 200010
using namespace std;
ifstream cin("buline.in");
ofstream cout("buline.out");
long long n,x,o,v[nm],s[nm],nr,inc,I,N,sum,sm,st,dr;
struct chestie{
long long S,ind;
}deq[nm];
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
{
cin>>x>>o;
v[i]=x;
if(o==0)
v[i]=v[i]*(-1);
v[n+i]=v[i];s[i]=s[i-1]+v[i];
}
for(int i=n+1;i<=2*n;i++)
s[i]=s[i-1]+v[i];
inc=1;nr=1;
deq[++st].S=0;deq[st].ind=0;
dr=1;
sm=-(10000*nm);
for(int i=1;i<=2*n;i++)
{
sum=s[i]-deq[st].S;
if(sum>sm)
sm=sum,I=deq[st].ind+1,N=i-I+1;
if(i==n+deq[st].ind)
st++;
while(deq[dr].S>s[i]&&dr>st)
dr--;
deq[++dr]={s[i],i};
}
cout<<sm<<' '<<I<<' '<<N<<'\n';
return 0;
}
