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Cod sursa(job #272073)
#include<fstream.h>
int S,s1,s2,semn,smax,smin,x,p1,p2,l,min,max,i,n,k1,k2;
int main()
{
ifstream f("buline.in");
ofstream g("buline.out");
f>>n;
p1=p2=k1=k2=1;
smax=-20000; smin=20000;
for(i=1;i<=n;i++)
{ f>>x>>semn; if(semn==0) x=-x;
if(s1<0) { s1=0; k1=i;}
if(s2>0) { s2=0; k2=i;}
s1+=x; s2+=x; S+=x;
if(s1>smax) { smax=s1; p1=k1; l=i-k1+1;}
if(s2<smin) { smin=s2; p2=k2;}
}
if(S==smin) g<<smax<<" "<<p1<<" "<<l;
else if(S-smin>smax) g<<S-smin<<" "<<p1<<" "<<l+p2-1;
else g<<smax<<" "<<p1<<" "<<l;
f.close();
g.close();
return 0;
}