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#include <fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int n, i, x, Min, poz_min, minn, sum, smax, st, dr, k;
int main()
{
f>>n>>k; smax=-(1<<31);
for(i=1; i<=n; i++) {
f>>x; sum+=x;
if(i-poz_min>=k)
if(sum-minn>smax) {
smax=sum-minn;
st=poz_min+1;
dr=i;
}
if(sum<minn) {
minn=sum;
poz_min=i;
}
}
g<<st<<' '<<dr<<' '<<smax;
return 0;
}