Cod sursa(job #498571)

Utilizator crisvirusDutescu Cristian crisvirus Data 5 noiembrie 2010 15:56:38
Problema Buline Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.71 kb
#include<stdio.h>
const int INF=100001;
int i,n,v[200001],st,smin,smax,as2,as,af,af2,c,sc;
int main()
{
	freopen("buline.in","r",stdin);
	freopen("buline.out","w",stdout);
	scanf("%d",&n);
	for(i=1;i<=n;++i)
	{
		scanf("%d%d",&v[i],&c);
		if(c==0)
			v[i]=-v[i];
		st+=v[i];
	}
	sc=0;
	smax=-INF;
	for(i=1;i<=n;++i)
	{
		sc+=v[i];
		if(sc>smax)
		{
			smax=sc;
			af=i;
		}
		if(sc<0)
		{
			as=i;
			sc=0;
		}
	}
		
		smin=INF;
		sc=0;
	for(i=1;i<=n;++i)
	{
		sc+=v[i];
		if(sc<smin)
		{
			smin=sc;
			af2=i;
		}
		if(sc>0)
		{
			as2=i;
			sc=0;
		}
	}
	if(smax>st-smin)
		printf("%d %d %d",smax,as+1,af-1);
	else
		printf("%d %d %d",st-smin,af2+1,as2-1);
	return 0;
}