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Cod sursa(job #165922)
#include <stdio.h>
#include <stdlib.h>
#define N 444111
#define Inf -2000000001
int sum,n,max=Inf,sb,lb=N,s,e,l;
int v[N];
void dublam()
{
for(int i=1;i<=n;++i)
v[i+n]=v[i];
}
void scan()
{
freopen("buline.in", "r",stdin);
freopen("buline.out", "w",stdout);
scanf("%d", &n);
int semn;
for(int i=1;i<=n;++i)
{
scanf("%d%d", &v[i],&semn);
if(!semn)
v[i]=-v[i];
}
}
void solve()
{
dublam();
sum=0; s=1;
for(int i=1;i<n*2 && s<n && i-s+1<=n;++i)
{
sum+=v[i];
if(sum>max || (sum==max && i-s+1<lb ))
{
max=sum;
sb=s;
lb=i-s+1;
}
if(sum<0){
sum=0;
s=i+1;
}
}
printf("%d %d %d\n",max,sb,lb);
}
int main()
{
scan();
solve();
return 0;
}