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Cod sursa(job #993672)
#include <iostream>
#include <fstream>
#include <cstring>
#include <string>
#include <climits>
#include <algorithm>
#include <cmath>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
#define baza 1
#define MAX 50003
#define MOD 1999999973
typedef long long int lli;
int a[MAX], s[MAX], n, k, minim, inc, sf, summax, bx, i, j;
void p(int a, int b=1)
{
for(int i=1+s[b-1];i<=b+a-bx;i++)
{
s[b]=i;
if(b==bx)
{
for(int j=1;j<=b;j++)
{
fout<<s[j]<<" ";
}
fout<<"\n";
}
else
{
p(a,b+1);
}
}
}
int main()
{
fin>>n>>k;
for(i=1;i<=n;i++)
{
fin>>a[i];
s[i]=s[i-1]+a[i];
}
j=0;
for(i=k;i<=n;i++)
{
if(s[i-k]<s[j])
{
j=i-k;
}
s[i]-=s[j];
}
int ki=0;
s[ki]=INT_MIN;
for(i=k;i<=n;i++)
{
if(s[ki]<s[i])
ki=i;
}
s[0]=0;
j=0;
for(i=k;i<=ki;i++)
{
if(s[i-k]<s[j])
{
j=i-k;
}
}
fout<<j+1<<" "<<ki<<" "<<s[ki];
return 0;
}