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Cod sursa(job #72494)
#include <cstdio>
using namespace std;
#define FIN "buline.in"
#define FOUT "buline.out"
int N,i,a[400005];
int S[200005];
int T[200005];
int sc,smax;
int in,out,ina;
int leng;
int s1,s2;
int main()
{
freopen(FIN,"r",stdin);
freopen(FOUT,"w",stdout);
scanf("%d",&N);
for (i=1; i<=N; i++)
{
scanf("%d %d",&s1,&s2);
if (s2==1) { a[i]=s1; a[i+N]=s1; }
else { a[i]=-s1; a[i+N]=-s1; }
}
S[1]=a[1]; T[1]=a[1]; int max=-100000;
for (i=2; i<=N; i++)
{
S[i]=S[i-1]+a[i];
if (S[i]>max) max=S[i];
T[i]=max;
}
max=-100000;
for (i=1; i<=N; i++)
if (T[i-1]+S[N]-S[i-1]>max)
{ max=T[i-1]+S[N]-S[i-1]; in=i; }
sc=0;
for (i=in; i<=N*2; i++)
{ sc+=a[i]; if (sc==max) break; }
printf("%d %d %d",max,in,i-in+1);
return 0;
}