Cod sursa(job #503670)

Utilizator voicuraduVoicu Radu voicuradu Data 24 noiembrie 2010 11:48:18
Problema Buline Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.8 kb
#include<cstdio>
using namespace std;
int v[200001];
int sc,stmax,semn,stc,smax,st,stmin,imin,n,i,imax,smin;
void read()
{
	freopen("buline.in","r",stdin);
	freopen("buline.out","w",stdout);
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		scanf("%d",&v[i]);
		scanf("%d",&semn);
		if(semn==0)
			v[i]*=-1;
		st+=v[i];
	}
}
void rez()
{
	v[0]=v[n];
	
	stc=1;
	for(i=1;i<=n;++i)
	{
		if(sc>0)
		{
			sc=0;
			stc=i;
		}
		
		sc+=v[i];
		
		if(sc<smin)
		{
			smin=sc;
			stmin=stc;
			imin=i;
		}
	}
	
	for(i=1;i<=n;++i)
	{
		if(sc<0)
		{
			sc=0;
			stc=i;
		}
		
		sc+=v[i];
		
		if(sc>smax)
		{
			smax=sc;
			stmax=stc;
			imax=i;
		}
	}
	
	
	if(smax>st-smin)
		printf("%d %d %d",smax,stmax,imax-stmax+1);
	else
	printf("%d %d %d\n",st-smin,imin+1,n-imin+stmin-1);
}

int main()
{
	read();
	rez();
	return 0;
}