Cod sursa(job #3144895)
Utilizator | Maria Ciutea maryy | Data | 11 august 2023 12:15:18 |
---|---|---|---|
Problema | Divk | Scor | 50 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.57 kb |
#include <fstream>
using namespace std;
ifstream in("divk.in");
ofstream out("divk.out");
int v[500001];
long long sp[500001];
int main()
{
int n, k, a, b;
in>>n>>k>>a>>b;
for(int i=1; i<=n; i++)
{
in>>v[i];
sp[i]=sp[i-1]+v[i];
}
long long s, j, r=0;
for(int i=a; i<=b; i++)
{
s=0; j=0;
s=sp[i-1];
for(int q=i; q<=n; q++)
{
s+=v[q]-v[j];
j++;
if(s%k==0)
{
r++;
}
}
}
out<<r;
}