Cod sursa(job #238682)

Utilizator nusmaibunkeleviprofesor cicalescu nusmaibunkelevi Data 2 ianuarie 2009 22:51:50
Problema Buline Scor 50
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.51 kb
#include<stdio.h>
#define NMAX 200000

int main(){
freopen("buline.in","r",stdin);
freopen("buline.out","w",stdout);
int n,n2,v[2*NMAX+1],i,smax,sc,p,l,t,x,st;
scanf("%d",&n); n2=2*n;
for(i=1;i<=n;++i){
	scanf("%d%d",&x,&t);
	if(t) v[i]=x;
	else v[i]=-x;
	v[i+n]=v[i];
	}
smax=sc=v[1];p=st=1;l=1;
for(i=2;i<=n2;++i)
	if(sc<0) sc=v[i],st=i;
	else{
		if(i-st>n) {i=st;sc=-1;continue;}
		if(smax<sc) smax=sc,p=st,l=i-st;
		sc+=v[i];
		if(st>n) break;
		}
printf("%d %d %d",smax,p,l);
return 0;
}