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Cod sursa(job #720876)
#include<stdio.h>
#define INF 2000000000
#define N 200001
long n,i,a[N],b,s[N],t[N],w=-INF,x,z,l,j;
int main()
{freopen("buline.in","r",stdin);
freopen("buline.out","w",stdout);
scanf("%ld",&n);
for(i=1;i<=n;i++)
{scanf("%ld%ld",&a[i],&b);
if(!b)
a[i]=-a[i];
if(a[i]>w)
w=a[i],l=i,x=1;
s[i]=a[i]+s[i-1];
if(s[i]>t[i-1])
t[i]=s[i];
else
t[i]=t[i-1];}
if(w>=0)
{for(j=1;j<=n;j++)
if(t[j-1]+s[n]-s[j-1]>w)
w=t[j-1]+s[n]-s[j-1],l=j;
for(i=l,x=0;i<n+l;i++)
{x++;
if(i>n)
z+=a[i-n];
else
z+=a[i];
if(z==w)
break;}}
printf("%ld %ld %ld",w,l,x);
return 0;}