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Cod sursa(job #858921)
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("secv5.in");
ofstream fout ("secv5.out");
int main()
{
unsigned int n,a,b,*v,i,j,k,l,s,s2=0;
bool q;
fin>>n>>a>>b;
v = new unsigned int[n];
for(i=0;i<n;i++)
fin>>v[i];
for(i=0;i<n;i++)
{
for(j=i;j<n;j++)
{
s=0;
for(k=i;k<=j;k++)
{
q=0;
for(l=i;l<k;l++)
{
if(v[l]==v[k])
{
q=1;
}
}
if(q==0)
{
s++;
}
}
if(s>=a && s<=b)
{
s2++;
}
}
}
fout<<s2;
}