Cod sursa(job #1795427)
Utilizator | Data | 2 noiembrie 2016 13:55:20 | |
---|---|---|---|
Problema | Buline | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 1.87 kb |
#include <fstream>
using namespace std;
ifstream f("buline.in");
ofstream g("buline.out");
int v[6000010],n,st,dr,i,s,ss,stt,drr,ok,a,l,lmax,u;
int main()
{
f>>n;
for(i=1;i<=n;++i)
{
f>>v[i]>>a;
if(a==0)
{
v[i]=-v[i];
}
}
for(i=1;i<=n;++i)
{
if(v[i]>=0)
{
ok=1;
break;
}
}
if(ok==0)
{
st=1;
l=1;
ss=-2000000000;
for(i=1;i<=n;++i)
{
if(s<0)
{
s=0;
st=i;
l=1;
}
s=s+v[i];
if(ss<s)
{
ss=s;
stt=st;
lmax=l;
u=i;
}
}
for(i=1;i<u;++i)
{
if(s<0)
{
s=0;
st=i;
l=1;
}
s=s+v[i];
if(ss<s)
{
ss=s;
stt=st;
lmax=l;
}
}
g<<ss<<" "<<stt<<" "<<lmax;
}
else
{
st=1;
l=1;
ss=-2000000000;
for(i=1;i<=n;++i)
{
if(s<0)
{
s=v[i];
st=i;
l=1;
}
else
{
s=s+v[i];
l++;
if(ss<s)
{
ss=s;
stt=st;
u=i;
}
}
}
for(i=1;i<u;++i)
{
if(s<0)
{
s=v[i];
st=i;
l=1;
}
else
{
s=s+v[i];
l++;
if(ss<s)
{
ss=s;
stt=st;
lmax=l;
}
}
}
g<<ss<<" "<<stt<<" "<<lmax;
}
return 0;
}