Cod sursa(job #1011283)
Utilizator | Data | 16 octombrie 2013 17:37:33 | |
---|---|---|---|
Problema | Divk | Scor | 50 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.4 kb |
#include<cstdio>
using namespace std;
int n,k,a,b,nr,v[500005];
int main()
{
int i,j;
freopen("divk.in","r",stdin);
freopen("divk.out","w",stdout);
scanf("%d%d%d%d",&n,&k,&a,&b);
for (i=1;i<=n;++i) scanf("%d",&v[i]), v[i]+=v[i-1], v[i]%=k;
for (i=0;i<=n-a;++i)
for (j=i+a;j<=i+b && j<=n;++j)
if (v[i]==v[j]) ++nr;
printf("%d\n",nr);
return 0;
}